ThinkPad X Series

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ThinkPad X220
ThinkPad X201i on top of X220, closed

The ThinkPad X Series is a line of notebook computers and convertible tablets originally produced by IBM and now marketed by Lenovo.

IBM announced the ThinkPad X Series (initially the X20) in September 2000 with the intention of providing “workers on the move with a better experience in extra-thin and extra-light mobile computing.”[1] The ThinkPad X Series replaced both the 240 and 570 series during IBM's transition from numbered series to letter series during the early 2000s. The first X Series laptops were "slimmer than a deck of cards" and "lighter than a half-gallon of milk", despite the presence of a 12.1-inch Thin-film transistor (TFT LCD) display.[2] These design values – thin and light – continued to be a part of the ThinkPad X Series laptops even after the purchase of IBM’s Personal Computing Division by Lenovo. The first X Series ThinkPad released by Lenovo was the X41 in 2005.[3]

The ThinkPad X Series laptops from Lenovo were described by Trusted Reviews as combining an ultraportable's weight and form factor with a durable design.[4] The X Series laptops include traditional ultraportables, as well as convertible tablet designs.[5] According to Lenovo, the ThinkPad X Series laptops include low power processors, offer long battery life, and offer several durability features such as a Roll Cage, magnesium alloy covers, and a spill-resistant keyboard.[5]




The X20 was the first in IBM/Lenovo's long standing X Series ultraportable line.

  • Processor: Intel Mobile Celeron 500 MHz, or Intel Pentium III Coppermine Mobile 600 MHz
  • Storage: 10 or 20GB
  • RAM: 64 to 128 MB, maximum of 320MB
  • Display: 12.1-in SVGA (800x600) or XGA (1024x768)
  • Dimensions: 279.4mm × 226.8mm × 23.9mm
  • Weight: 1.43 kg (3.2 lb) (with standard battery)



Same as above, except the processor could optionally be upgraded to a 600 or 700 MHz version, and more onboard RAM could be ordered.


All new internal design, SVGA screen option dropped, Tualatin CPUs, faster (Radeon 7000 8MB) GPU, Communications Daughter Card/CDC slot, optional FireWire and/or WiFi on some models, 133 MHz FSB, maximum RAM increased to 640MB.

  • Processor: Intel Pentium III Mobile 733 or 800 MHz
  • Storage: 10 or 20GB
  • RAM: 128 to 256 MB
  • Display: 12.1 inch XGA (1024x768)
  • Dimensions: 279.4mm × 226.8mm × 25.4mm
  • Weight: 1.56 kg (3.4 lb) (with standard battery)



Same as X22, this time with faster processors (800 or 866 MHz), bigger hard drives up to 30GB, Bluetooth and the IBM Security Sub System on selected models.


Again the same as above, even faster processors: 1.06 to 1.13 GHz.


Successor to X2x line, shares much of its technology however. Case completely redesigned, 830MG chipset with Intel Extreme Graphics GPU, maximum of 1GB RAM thanks to two RAM slots, FireWire now standard on all models, up to 60GB hard drives available.

  • Processor: Intel Pentium III Mobile 1.06 or 1.2 GHz
  • Storage: 15, 20, 30, 40, 48 or 60 GB
  • RAM: 128, 256 to 512 MB
  • Display: 12.1 inch XGA (1024x768)
  • Dimensions: 273mm × 223mm × 30.2mm
  • Weight: 1.64 kg (3.6 lb) (with standard battery)



X30 updated to the Intel Centrino platform, Pentium M CPUs, faster RAM (DDR1 PC2100), better GPU (ATi Radeon 7000) and more VRAM (16MB), USB2.0, 2nd USB port on left side, Gigabit LAN introduced on some models, IBM Security Sub System on some models.

  • Processor: Intel Pentium M (Banias), L2-Cache: 1 MB , TDP: 22 W - 24,5 W, FSB 400
    • 1.3 GHz, 1.4 GHz, 1.5 GHz, 1.6 GHz, 1.7 GHz,
  • Storage:
    • Models with 4200rpm drives and capacities of 20 GB, 30 GB, 40 GB or 60 GB
    • Models with 5400rpm drives and capacities of 40 GB, 60 GB or 80 GB
  • RAM: 256 to 512MB
  • Display: 12.1 inch XGA (1024x768)
  • Dimensions: 273mm × 223mm × 30.2mm
  • Weight: 1.64 kg (3.6 lb) (with standard battery)



  • Processor: Intel mobile Pentium M processor 1.0 or 1.2 GHz
  • Storage: 20 or 40 GB
  • RAM: 256 to 1536 MB
  • Display: 12.1-in XGA (1024 × 768) active matrix TFT
  • Dimensions: 268 mm × 211 mm × 21 mm–27 mm (10.55 in × 8.31 in × 0.83 in–1.06 in)
  • Weight: 1.23 kg (2.7 lb)


X41 Tablet[edit]

Three years after the release of the X30, upon acquiring the ThinkPad division, Lenovo released the ThinkPad X41 ultraportable laptop and the ThinkPad X41 Tablet. The X41 Tablet was convertible, with the capacity to function as a tablet PC and an ultraportable laptop.


The X32 was introduced in 2005. The numbering system was a bit confusing, as it was actually introduced after the X40, but using the older X3x chassis design. It was also a bit more powerful than the X40 and X41 units, due to the use of faster full-voltage Dothan processors and standard 2.5" 5400/7200 RPM hard drives.[7] It was a very short-lived model, discontinued within months after introduction. On this model, IBM included Gigabit LAN and the Security Sub System on all models. The X32 and X41 are one of the last IBM designed ThinkPads, before Lenovo took over. The X41 Tablet was designed by Lenovo.


The X Series laptops released in 2006 from Lenovo were the X60, X60s, and X60 Tablet.

X60 and X60s[edit]

A Lenovo ThinkPad X60s

The X60 and X60s slimline differed primarily by their processors: the X60s had a low voltage processor, while the X60 did not. This gave the X60s a lower active temperature and longer battery life in exchange for reduced performance.[8] The X60s also had a smaller heatsink and a thinner case with a different battery form factor, although it could use standard X60 batteries with a plastic adapter.

In its review of the ThinkPad X60/X60s, Notebook Review called the laptop "Hands down the best performing ultraportable on the market", while raising issues about the design and the lack of an optical drive.[8]

The two laptops were available in a variety of different configurations. Later X60 models used 64-bit Core 2 Duo CPUs, and some X60s were available with a lightweight LCD panel. Typical specifications[8] of the laptops are provided below:

  • Processor: 1.66 GHz Intel Core Duo T2300E/ Core Solo 1.6 (X60) / L2400 (X60s)
  • Operating System: Microsoft Windows XP Professional
  • Storage: 80GB 5400RPM
  • RAM: up to 2GB DDR2 SDRAM
  • Display: 12.1"
  • Graphics: Intel Media Accelerator 950
  • Weight: starting at 1.64 kg (3.62 lb)

X60 Tablet[edit]

The ThinkPad X60 Tablet was praised by reviewers. LAPTOP Magazine said that the ThinkPad X60 Tablet “raises the bar for business-class convertibles”.[9] The most significant issue raised was the low capacity 4-cell battery, which provided a battery life of two hours.[9]


The X Series laptops released in 2007 from Lenovo were X61, X61s, and X61 Tablet.


A Lenovo ThinkPad X61

The X61 especially received mixed user reviews on CNET, with some claiming display problems, and delivery delays, while others praised the laptop for performance and portability.[10]

Reviewers, however, praised the ultraportable. Notebook Review called it an “extremely fast ultraportable”.[11] The display contrast and view angles were criticized, and the palm rest which was prone to heating from the wireless card beneath it.[11]

The specifications[11] of the laptop are given below:

  • Processor: From 1.8 GHz Intel Core 2 Duo T7100 to 2.5 GHz Intel Core 2 Duo T9300
  • Chipset: Intel 965 Express
  • RAM: from 512 MB to 4GB DDR2 PC5300 (8GB is unofficially supported)
  • Storage: from 80GB to 160 SATA (any SATA HD or SSD will work, and via a BIOS mod it supports SATA-II)
  • Screen: 12.1 inch LCD (from many not specified makers, and therefore different qualities)
  • Graphics: Intel X3100
  • Weight: starting at 1.41 kg (3.1 lb)


The X61s was praised for its good build quality, performance, and long battery life[12] – the latter of which was an improvement over the X41.

The specifications [12] of the laptop are given below:

  • Processor: 1.6 GHz Intel Core 2 Duo L7500
  • Chipset: Intel 965GM
  • Memory: from 512 MB to 4GB DDR2 PC5300 (8GB is unofficially supported)
  • Operating System: Microsoft Windows Vista Business 32 Bit
  • Hard Drive: 100GB 7200RPM
  • Screen: 12 inch
  • Graphics Card: Intel X3100

X61 Tablet[edit]

An X61 tablet, flipped to Tablet Mode

The ThinkPad X61 Tablet also received positive reviews, with IT Reviews saying that “the build quality and engineering are second to none and this shines through with the Tablet features which have been executed with something close to genius”.[13] However, the high price and relatively low performance were criticized by the reviewer.[13]

TabletPC Review acknowledged the sturdiness of the X61 Tablet, the high battery life, and the quality of the pen.[14] The features that met with disfavor were the lack of a widescreen, display brightness and colors, and the lack of an optical drive – although the reviewer admitted that the absence helps reduce weight.[14]


The laptops released in the X series in 2008 followed the new naming conventions established by Lenovo. The X Series laptops released by Lenovo in 2008 were X200 and X300.


The ThinkPad X200 was released in 2008. It leverages the new technology from the X300, including the options of a solid-state drive (SSD), an optional integrated camera, 12.1" widescreen display, optional 3G WWAN, a new 9-cell battery for extended running time up to 9.8 hours, weight as low as 1.34 kg (2.95 lb), and CPU up to 2.66 GHz Intel Core 2 Duo. The hardware specifications[15] of the X200 are:

  • Processor: Intel Montevina Platform, Core 2 Duo (Penryn Generation) from ULV version SU2300 (1.2 GHz) to 35 W TDP T9600 (2.8 GHz), many 25 W CPUs are also available (P8400, P8600, P8700, etc.)
  • Memory: Gigabyte RAM, maximum
  • Display: Widescreen display, non-glossy (matte)
  • Battery life: Up to 10 hours with a 9-cell battery
  • Weight: 1.34 kg / 2.95 lb (with 4-cell battery), 1.47 kg / 3.24 lb (with 6-cell battery), 1.63 kg / 3.59 lb (9-cell battery)

The laptop features cooler components (made possible with the fan design modeled on owl-wings). However, the laptop did not have a touchpad (only the TrackPoint), no HDMI, DVI, or display port, and no built-in optical drive.[15] The X200 series included Tablet PC models, designated by the usage of the "t" suffix, primarily of which was the X230T.[16]


X61 and X200s

Lenovo released X200s in 2008. It differed from the standard X200 in being lighter, having longer battery life, and running more quietly due to an "owl fan" design for cooling taken from the X300.[17] The X200s was available with more than half a dozen different CPUs and three screens, the top of the range of which was a WXGA+ LED.[18]

X300 and X301[edit]


Codenamed "Kodachi", with X300 released on 26 February 2008. It is distinguished from other ultraportable laptops by its usage of LED backlighting, removable battery, solid-state drive, and integrated DVD burner. The ThinkPad X300 used a small form factor Intel GS965 chipset (instead of the standard GM965 chipset), along with the Intel Core 2 Duo L7100 low-voltage CPU (with 12 W TDP). Its successor, the ThinkPad X301 uses the Intel Centrino 2 mobile platform with GS45 chipset, and an ultra-low-voltage (ULV) CPU. It also integrates GPS, WWAN, and a webcam in the top lid. The thickest part of the laptop is 2.3 cm (0.92 in), while the thinnest part is 1.9 cm (0.73 in).

The X300's original internal codename was Razor, after the then popular flip phone from Motorola. Lenovo noticed that three technologies were converging that would make it possible to build a very thin, light, and fast ThinkPad. The first was solid-state storage, which would replace mechanical hard drives. The second was light-emitting diode (LED) backlighting for flat-panel displays which would improve battery life and image quality. The third was ultrathin optical drives just 7 mm thick, compared to 9.5 mm to 12.7 mm on other ThinkPads. The Razor concept was eventually merged with the Bento-Fly project and renamed Kodachi.

The price at the time of the review by Notebook Review was extremely high, and indicated to be out of range for all but corporate users.[19] LAPTOP Magazine awarded the X300 laptop a score of 4.5 stars, among the highest for a ThinkPad X Series laptop.[20]

The hardware specifications[19] of the X300 are:

  • Processor: 1.20 GHz Intel Core 2 Duo L7100
  • Graphics: Intel X3100
  • Operating System: Windows XP Professional
  • Screen: 13.3-inch, LED-backlit display 1440×900
  • Memory: Gigabyte RAM, maximum
  • Storage: SSD drive
  • Optical Drive: Ultra-thin DVD Burner
  • Dimensions: 310 mm × 230 mm × 19–23 mm (12.4 in × 9.1 in × 0.73–0.92 in)
  • Weight: starting at 1.33 kg (2.93 lb)

The laptop was less than an inch thick, making it the thinnest ThinkPad available at the time.[19] The X300 laptop offered a quick boot with SSD.[19] It also offered a built-in optical drive, uncommon in thin and light notebooks.[19] However, the laptop did not include an SD card reader, had no expansion dock capability, and no ExpressCard or PC Card slot.[19]


The X Series laptops released in 2010 from Lenovo were X100e, X201, X201s, and X201 Tablet.


The ThinkPad X100e was released in 2010, with Engadget calling the laptop “the perfect solution between a netbook and a larger 13- or 14-inch ULV ultraportable”.[21] Available in two colors (heatwave red and the traditional ThinkPad matte black) the design was compared to that of the Edge series which deviated from traditional ThinkPad design.[21] The X100e, however, despite the choice of colors, retained the “angular edges and boxy build” which “scream traditional ThinkPad design”.[21]

The specifications[22] of the X100e laptop are given below:

  • Processor: 1.6 GHz AMD Athlon Neo Single-Core MV-40
  • RAM: up to 2GB PC2-5300 DDR2
  • Operating System: Microsoft Windows 7 Professional 32 bit
  • Display: 11.6 in (290 mm) HD (1366×768) LED backlit anti-glare
  • Storage capacity: 250GB 5400RPM SATA
  • Graphics: ATI Radeon 3200
  • Card reader: 4-in-1
  • Web camera: 0.3-megapixel
  • Battery: 6-cell
  • Dimensions: 280 mm × 210 mm × 15–30 mm (11.1 in × 8.2 in × 0.6–1.2 in)
  • Weight: 1.5 kg (3.3 lb) with a 6-cell battery
Mini 10[edit]

A modified and re-branded version of the Lenovo X100e, named the Mini 10 was issued to all year 9 students in NSW Australia at the start of 2010. They featured an Intel Atom N450 (1.66GHz) processor, 160GB HDD, 2GB RAM, a 10" 720p Screen, 0.3MP Webcam and Windows 7 Enterprise.[23]


The specifications[24] of the X201 are given below:

  • Processor: Intel Core i5-540M (2.53 GHz, 3MB Cache) or i5-520M (2.40 GHz)
  • Graphics: Intel GMA HD Integrated Graphics
  • Memory: 4GB DDR3 RAM (1066 MHz 2GB + 2GB) and upgradable to 8GB
  • Operating System: Windows 7 Professional (came with either 32-bit or 64-bit)
  • Screen: 12.1 in (310 mm) (1280×800) LED backlit
  • Storage: 320GB 7200 RPM
  • Battery: 6 cell or 9-cell
  • Dimensions: 290 mm × 230 mm × 20–36 mm (11.6 in × 9.2 in × 0.8–1.4 in)
  • Weight: 1.60 kg (3.52 lb)


The specifications[24] of the X201s are given below:

  • Processor: Intel Core i7-640LM, 2.13 GHz
  • Memory: 4GB DDR3
  • Graphics: Intel GMA HD (integrated)
  • Storage: 320GB 5400 RPM
  • Screen: 12.1-inch LED backlit, WXGA+ Resolution (1440×900)
  • Operating System: Windows 7 Professional (64bit)
  • Battery: 6-cell
  • No WebCam & No WWAN Module
  • Dimensions: 290 mm × 210 mm × 20–36 mm (11.6 in × 8.3 in × 0.8–1.4 in)
  • Weight: 1.26 kg (2.77 lb)

X201 Tablet[edit]

The X201 Tablet, released in 2010, was criticized by Engadget for its lack of durability, protruding battery, and 33 mm (1.3-inch) thick body, while praised for its performance.[25] Notebook Review had similar views about the X201 Tablet in terms of both performance and battery life while indicating that the display could have been improved.[24]


The ThinkPad X Series laptops released in 2011 by Lenovo were the X120e, X220, X220 Tablet and X1.


Keyboard and trackpoint of the X120e

The ThinkPad X120e was released in March 2011.[26] The laptop won "Best Affordable Business Ultraportable" at CES 2011.[27] The laptop’s specifications[28] are given below.

  • Processor: AMD Fusion E-240 or E-350 processor
  • RAM: Up to 16GB DDR3 1333 MHz (at 1066 MHz)
  • Graphics: AMD Vision Pro graphics
  • Battery life: 7.5 hours
  • Weight: Starting at 1.33 kg (2.93 lb) with a 3-cell battery.
  • Dimensions: 282 mm × 208 mm × 15 mm–30 mm (11.1 in × 8.2 in × 0.6 in–1.2 in)


The ThinkPad X220 was released in April 2011.[29] LAPTOP Magazine received the X220 positively.[2] The laptop was praised for its battery life, performance, low weight, display, keyboard,[30] and significantly improved temperature control.[2] However, the web camera did not receive favor – while images were crisp and clear, colors were reported to be muted.[2]

Engadget said the “all-too-familiar ThinkPad can deceive you with its boring business looks, but it's arguably one of the best laptops we've ever tested”.[31] Notebook Review was of the same opinion, stating that the “ThinkPad X220 is quite simply the best 12-inch business notebook we've reviewed so far.”[32]

The laptop’s specifications[33] are given below:

  • Processor: Intel Sandy Bridge, up to a Core i7 2640M
  • RAM: Up to 8GB DDR3 1333 MHz RAM (unofficially it can support 16GB and 1866 MHz)
  • Graphics: Intel HD 3000 integrated graphics
  • Battery life: Up to 9 hours of battery life with a 6-cell battery and up to 15 hours with a 9-cell battery. This battery life can be increased to 23 hours with a 9-cell battery and an external battery pack.[33]
  • Weight: Less than 1.8 kg (4 lb)
  • Display: 12.5 in (320 mm) 1366x768 (HD) resolution, optionally IPS (wide viewing angles). The X220 was the first non-tablet X series to have an IPS screen option from the factory.[34]
  • Dimensions: 305 mm × 206.5 mm × 19–34.6 mm[35]

X220 Tablet[edit]

The X220 Tablet was also released in April 2011. The Tablet offered the same specifications as the X220 laptop, in terms of processor, graphics, and RAM. The battery life on the X220 Tablet was up to 9 hours with a 6-cell battery and up to 18 hours with an external battery pack and a 6-cell battery.[36] The starting weight of the Tablet was 3.88 lbs.[37]


ThinkPad X1

An addition to the lightweight X series, weighing between 1.36 kg to 1.72 kg depending on configuration. It was the thinnest ThinkPad laptop to date at 16.5 (front) and 21.5 mm (rear). The screen is a 13.3-inch (340 mm) LED-backlit HD infinity panel with 1366 × 768 (WXGA) resolution. Base configuration uses an Intel Sandy Bridge 2.5 GHz Core i5-2520M (up to 3.20 GHz) with 4 GB of RAM (up to 8 GB), SATA SSD or hard drive, Intel Integrated HD Graphics, USB 3.0, backlit keyboard, 802.11 b/g/n WiFi and an average of eight hours of battery life. The battery is internal and not removable, and there is no optical drive.

The ThinkPad X1 laptop was released by Lenovo in May 2011. Notebook Review offered a positive opinion of the ThinkPad X1, saying that it was “A powerful notebook that combines the durability and features of a business-class Thinkpad with the style of a consumer laptop.”[38] A 13.3" X1 ThinkPad was announced to be available in the UK on June 7, 2011.

The specifications[39] of the ThinkPad X1 laptop are given below:

  • Processor: Up to Intel Core i7-2620M processors
  • RAM: Up to 8GB DDR3 1333 MHz RAM
  • Graphics: Intel HD Graphics 3000
  • Storage Capacity: 320 GB 7200 RPM Hard Disk (or an SSD drive ranging from 128 GB to 160 GB)
  • Battery life: Up to 5.2 hours.[40] This could be extended further to 10 hours with a slice battery.[41]
  • Weight: Starting at 1.69 kg (3.73 lb)
  • Dimensions: 340 mm × 230 mm × 17–21 mm (13.3 in × 9.1 in × 0.65–0.84 in)


The ThinkPad X Series laptops released in 2012 by Lenovo were the X1 Carbon, X131e, X230 and X230T (Tablet).

X1 Carbon[edit]

X1 Carbon
The ThinkPad X1 Carbon's keyboard (Japanese), track point, and trackpad

In early August 2012, Lenovo released the ThinkPad X1 Carbon. The X1 Carbon weighs 1.35 kg, has a battery life of roughly eight hours, and has a start-up time of less than 20 seconds. The X1 Carbon was first released in China due to the popularity of ThinkPads in that market.[42]

The X1 Carbon features a solid-state drive (SSD) instead of a hard drive. The base model has 4 gigabytes of memory, an Intel Core i5-3317U processor, and a 128-gigabyte SSD. The most expensive model has an Intel Core i7 processor and a 256-gigabyte SSD. The X1 Carbon requires the use of a dongle to access wired Ethernet and some models include 3G cellular modems.[43]

The X1 Carbon has a 14-inch screen with a resolution of 1600 by 900 pixels. The X1 Carbon weighs 1.36 kg (3.0 lb) and measures 331 by 226 by 19 mm (13.03 by 8.9 by 0.74 in). The X1 Carbon's case is made of light carbon-fiber and has a matte black finish.[43] The Carbon is also marketed "as the thinnest 14" ultrabook."[44]

In a review published for CNET, Dan Ackerman wrote, "At first glance, the ThinkPad X1 Carbon looks a lot like other ThinkPads, but in the hand it stands out as very light and portable. The excellent keyboard shows up other ultrabooks, and the rugged build quality is reassuring. With a slightly boosted battery and maybe a lower starting price, this could be a serious contender for my all-around favorite thin laptop."[45]

Peter Bright wrote a disaparaging review for "Ars technica". He found the new X1 Carbon with the "Adaptive Keyboard" to be near perfect but unusable because the keyboard was so non standard when compared with that of a desktop, or the older Thinkpad T410s and Lenovo Helix keyboards. As a touch typist he despaired at the removal of the function keys, and the layout. He cited the repositioning of Caps Lock, replacing it with Home End, and that pretty much each little -finger key has moved.[46]

In November 2012, Lenovo announced a touch-screen variant called the ThinkPad X1 Carbon Touch designed for use with Windows 8. Its display makes use of multi-touch technology that can detect simultaneous inputs from up to ten fingers.[47] On the performance of the X1 Carbon Touch's SSD, Engadget states, "The machine boots into the [s]tart screen in 11 seconds, which is pretty typical for a Windows 8 machine with specs like these. We also found that the solid-state drive delivers equally strong read and write speeds (551 MB/s and 518 MB/s, respectively), which we noticed the last time we tested an Ultrabook with an Intel SSD."


A special edition laptop was provided for Australian Year 9 students as part of the Digital Education Revolution (DER) program in 2012.

Hardware Specifications:

  • Intel Celeron processor 857, dual-core 1.2 GHz
  • 4 GB Memory
  • 320 GB HDD
  • 11.6" HD (1366 × 768)
  • Integrated 0.3MP camera
  • Integrated Wifi and Bluetooth
  • Weight: 1.78 kg with 6-cell battery


The Thinkpad X230 replaced the earlier X220, introducing a new chiclet-style, 6-row keyboard replacing the older 7-row keyboard style. and Ivy Bridge processor.

The maximum amount of installable memory was 16GB in two memory slots. Just like the X220, it is possible to use a mSATA SSD within the second MiniPCI Express slot instead of a WWAN card. [48]

Specifications: [49]

  • One of the following Ivy Bridge processors:
    • Intel Core i7-3520M (2.90 GHz, 4MB L3, 1600MHz FSB)
    • Intel Core i5-3360M (2.80 GHz, 3MB L3, 1600MHz FSB)
    • Intel Core i5-3320M (2.60 GHz, 3MB L3, 1600MHz FSB)
  • Intel HD Graphics 3000 or 4000
  • Up to 16GB PC3-10600 DDR3 memory at 1600MHz
  • 12.5" 1366×768 TN or IPS TFT display
  • 320 or 500 GB disk drive or 128 or 180 GB SSD
  • 720p HD Integrated camera (04f2:b2eb Chicony Electronics Co., Ltd) or 3x3 Antenna Grid

X230 Tablet[edit]

The Thinkpad X230t (Tablet) replaced the earlier X220 Tablet. Docking Station compatibility: The Thinkpad X230t is not compatible with previous series 3 docking stations (4337 and 4338). It is only compatible with the UltraBase series 3 "slice base".[50] The X230t has a touchscreen with stylus support whereas the X230 has no touchscreen.


The ThinkPad X Series laptops released in 2013 by Lenovo were the X240, X140e and ThinkPad Helix (Convertible Tablet).



The Thinkpad X240 replaced the earlier X230. Compared to the X230, the X240 changed from the higher wattage Intel Core CPUs labelled as "Mobile class", to the lower wattage CPUs labelled "ultrabook class". Depending on the CPU model, the change resulted in a 10-20% reduction in CPU performance compared to the older, but higher wattage Ivy Bridge generation CPUs.[51] This was the first X series laptop to forgo the classic trackpoint buttons in favour of a touchpad that can also be pushed. The X240 reduced the maximum physical memory to 8 GB, with only one memory slot, making Dual-Channel unavailable (compared to 16 GB Dual-Channel, in two memory slots, on the X230), lost the dedicated Insert key, and lost the dedicated Volume Up and Volume Down keys.


The Thinkpad Helix was released as an option for corporate IT buyers who were looking for the power of a high-end Ultrabook and mobility of a tablet. The ThinkPad Helix featured a tablet powered by Ivy Bridge components, a docking keyboard, and Wacom digitizer stylus.[52]


X131e Windows & Chromebook[edit]

The X131e is a laptop designed for the education market and it comes in three versions: Chrome OS, Windows and DOS. It has a durable case fitted with rubber bumpers and thickened plastic case components, in order to improve its durability. The display is an 11.6-inch panel with a 1366x768 resolution and an anti-glare coating. It can be customised with various colors, school logos, and asset tagging. The X131e comes in several processor versions: Intel's Celeron/Core i3 and AMD's E1/E2. All of the models are basically the same as the X130e, with some including SIM card slots for cellular network access and some including WWAN cards.[53][54][55][56]



The ThinkPad X Series laptops released in 2015 by Lenovo were the third-generation X1 Carbon and X250 during the CES congress. The Thinkpad X250 has a Broadwell processor.[57] The X250 saw a return of separate trackpoint buttons, and it has only one RAM slot.



The ThinkPad X Series laptops were released in 2016 by Lenovo during the CES congress and replaced the earlier Thinkpad X250. The Thinkpad X260 adopts the Skylake processors, adds an additional USB 3.0 port, but USB-C is missing[58] and replaces the VGA port with an HDMI port in addition to the existing Mini DisplayPort port.[59][not in citation given] Lenovo claims the X260 can achieve battery life of 21.5 hours from a full charge.[60]


The 12.5-inch Thinkpad X270 was announced on December 2016 with IPS display available in HD and FHD standard screens as well as a FHD touch screen option. Lenovo claims the X270 can achieve more than 20 hours of battery life from a full charge,[61] also include an USB-C supporting USB 3.1 gen 1, PD, HDMI, two USB-A 3.0 ports and one “always on” USB-A 3.0 port.[62]

X1 Tablet[edit]

The ThinkPad X1 Tablet is a modular device that uses what Lenovo calls an "Ultra Connect" system to tie together a removable modules such as an extra battery pack, a pico projector, a 3D camera, a detachable keyboard, etc. The X1 Tablet is powered by an Intel Core m7 processor paired with up to 16 gigabytes of memory and solid state drives up to 1 terabyte in size. The X1 Tablet's 12-inch multitouch screen is 2,160 pixels by 1,440 pixels.[63]

X1 Carbon 4[edit]

The Thinkpad X1 Carbon 2016 is the Fourth-generation Thinkpad.[64]


X1 Carbon 5th generation[edit]

The Thinkpad X1 Carbon 2017 is the 5th-generation Thinkpad.[65]



See also[edit]


  1. ^ "IBM announces the new Thinkpad X Series Ultraportable Computer". 11 September 2000. 
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