Samsung Galaxy S21
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Codename | Unbound |
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Brand | Samsung Galaxy |
Manufacturer | Samsung Electronics |
Slogan | Everyday Epic |
Series | Galaxy S |
Model | SM-G991x (S21) SM-G996x (S21+) SM-G998x (S21 Ultra) (Last letter varies by carrier and international models) |
Compatible networks | 2G, 3G, 4G LTE, 5G |
First released | January 14, 2021 |
Availability by region | January 29, 2021 |
Predecessor | Samsung Galaxy S20 |
Successor | Samsung Galaxy S22 |
Type | Phone |
Form factor | Slate |
Dimensions |
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Mass |
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Operating system | One UI 3.1, Android 11 |
System-on-chip |
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CPU |
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GPU |
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Memory |
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Storage |
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Removable storage | None |
Battery |
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Charging |
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Display |
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External display | Always on |
Sound | Dolby Atmos stereo speakers tuned by AKG |
Rear camera | All: Features: LED flash, auto-HDR, panorama Video: 8K@30fps, 4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS
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Front camera |
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Connectivity |
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Data inputs | USB-C 3.2
Sensors:
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Water resistance | IP68 water/dust resistance, up to 1.5 m for 30 minutes |
SAR |
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Website | |
References | [1][2][3] |
The Samsung Galaxy S21 is a series[4] of Android-based smartphones designed, developed, marketed, and manufactured by Samsung Electronics as part of its Galaxy S series.[5] They collectively serve as the successor to the Galaxy S20 series. The lineup was unveiled at Samsung's Galaxy Unpacked event on 14 January 2021.[6] The phones were released on 29 January 2021.
History
![]() | This section is empty. You can help by adding to it. (January 2021) |
Lineup
The lineup comprises three devices, with the Galaxy S21 being the least expensive with a smaller screen size. In contrast to the Galaxy S20+, the Galaxy S21+ is very similar to the S21 spec-wise, with the exception of a larger display, higher battery capacity, and back glass instead of plastic. The Galaxy S21 Ultra has an even larger screen size, battery, and a host of other improvements over the other models, including a more advanced camera setup highlighted by its 108 MP main sensor with laser autofocus and a higher resolution 1440p display.[7] The S21 Ultra is also the first phone in the Galaxy S series to support the S Pen, albeit sold separately and with limited functionality.[8]
Design
The Galaxy S21 series has a design similar to its predecessor, with an Infinity-O display containing a circular cutout in the top center for the front selfie camera. The S21's back panel is reinforced polycarbonate similar to the S20 FE and Note 20, while the S21+ and S21 Ultra use glass.[9] The rear camera array has been integrated into the phone body and has a metallic surround; the S21 Ultra has a carbon fiber camera surround for exclusive colors.
Galaxy S21 | Galaxy S21+ | Galaxy S21 Ultra | ||||||
Color | Name | Online exclusive | Color | Name | Online exclusive | Color | Name | Online exclusive |
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Phantom White | ![]() |
Phantom Silver | ![]() |
Phantom Silver | ![]() | |||
Phantom Gray | ![]() |
Phantom Black | ![]() |
Phantom Black | ![]() | |||
Phantom Violet | ![]() |
Phantom Violet | ![]() |
Phantom Titanium | ![]() | |||
Phantom Pink | ![]() |
Phantom Gold | ![]() |
Phantom Navy | ![]() | |||
Phantom Red | ![]() |
Phantom Brown | ![]() |
Specifications
Hardware
Chipsets
The S21 line comprises three models with various hardware specifications. International and Korea models of the S21 utilize the Exynos system-on-chip, while the U.S., Canadian, Chinese, Taiwanese, Hong Kong and Japanese models utilize the Qualcomm Snapdragon 888.[10][1]
Display
The S21 series feature "Dynamic AMOLED 2X" displays with HDR10+ support and "dynamic tone mapping" technology. All models utilize a second-generation ultrasonic in-screen fingerprint sensor.[11]
Model | Display size (in) | Display resolution | Refresh rate | variable refresh rate | Shape | 120 Hz at QHD+ resolution |
---|---|---|---|---|---|---|
S21 | 6.2 | 1080p | 60Hz | 48Hz to 120Hz | flat sides | No |
S21+ | 6.7 | 1080p | 60Hz | 48Hz to 120Hz | flat sides | No |
S21 Ultra | 6.8 | 1440p | 60Hz | 10Hz to 120Hz | curved sides | Yes |
Storage
Models | Galaxy S21 | Galaxy S21+ | Galaxy S21 Ultra[11] | |||
---|---|---|---|---|---|---|
RAM | Storage | RAM | Storage | RAM | Storage | |
Variant 1 | 8GB | 128GB | 8GB | 128GB | 12GB | 128GB |
Variant 2 | 8GB | 256GB | 8GB | 256GB | 12GB | 256GB |
Variant 3 | - | - | - | - | 16GB | 512GB |
The S21 and S21+ offer 8 GB of RAM with 128 GB and 256 GB options for internal storage. The S21 Ultra has 12 GB of RAM with 128 GB and 256 GB options as well as a 16 GB option with 512 GB of internal storage. All three models lack a microSD card slot, which was present on the S20 series.[12]
Batteries
The S21, S21+, and S21 Ultra contain non-removable 4000 mAh, 4800 mAh, and 5000 mAh Li-Po batteries respectively.[13] All three models support wired charging over USB-C at up to 25W (using USB Power Delivery) as well as Qi inductive charging up to 15W. The phones also have the ability to charge other Qi-compatible devices from the S21's own battery power, which is branded as "Wireless PowerShare," at up to 4.5W.[14]
Connectivity
All the three phones support 5G SA/NSA networks, The Galaxy S21 and S21+ support Wi-Fi 6 and Bluetooth 5.0, while the Galaxy S21 Ultra supports Wi-Fi 6E and Bluetooth 5.2. The S21+ and S21 Ultra models also support Ultra Wideband (UWB) for short-range communications similar to NFC (not to be confused with 5G mmWave, which is marketed as Ultra Wideband by Verizon). Samsung uses this technology for their new "SmartThings Find" feature and the upcoming Samsung Galaxy SmartTag+.[15]
Cameras
Models | Galaxy S21 & S21+ | Galaxy S21 Ultra | |
---|---|---|---|
Wide | Specs | 12 MP, f/1.8, 26mm, 1/1.76", DPAF, OIS | 108 MP, f/1.8, 24mm, 1/1.33", PDAF, OIS |
Model | Samsung S5K2LD or Sony IMX555 | Samsung S5KHM3 | |
Ultrawide | Specs | 12 MP, f/2.2, 13mm, 1/2.55", fixed focus | 12 MP, f/2.2, 13mm, 1/2.55", DPAF |
Model | Samsung S5K2LA | Sony IMX563 | |
Telephoto | Specs | 64 MP, f/2.0, 29mm, 1/1.72", PDAF, OIS | 10 MP, f/2.4, 70mm, 1/3.24", DPAF, OIS |
Model | Samsung S5KGW2 | Samsung S5K3J1 | |
Extended Telephoto | Specs | - | 10 MP, f/4.9, 240mm, 1/3.24", DPAF, OIS |
Model | Samsung S5K3J1 | ||
Front | Specs | 10 MP, f/2.2, 26mm, 1/3.24", DPAF | 40 MP, f/2.2, 26mm, 1/2.8", PDAF |
Model | Sony IMX374 | Samsung S5KGH1 |
The S21 and S21+ have similar camera setups to their predecessors but benefit from improved software and image processing. Both have a 12 MP wide sensor, a 64 MP telephoto sensor with 3x hybrid zoom, and a 12 MP ultrawide sensor. The S21 Ultra has a new HM3 108 MP sensor with several enhancements over the previous HM1 108 MP sensor, including 12-bit HDR. It also has two 10 MP telephoto sensors with 3x and 10x optical zoom as well as a 12 MP ultrawide sensor. The front-facing camera uses a 10 MP sensor on the S21 and S21+ and a 40 MP sensor on the S21 Ultra. 4K60 recording is supported on the ultrawide camera on the S21 and S21+ and all cameras on the S21 Ultra. All cameras are Samsung except 12MP Ultra Wide on S21 Ultra and 10MP front on S21 and S21+, which are both made by Sony.
The Galaxy S21 series can record HDR10+ video and support HEIF.[11]
Supported video modes
The Samsung Galaxy S21 series supports the following video modes:[11]
- 8K@24fps (possibly up to 30fps on S21 Ultra)[16]
- 4K@30/60fps
- 1080p@30/60/240fps
- 720p@960fps (480fps is upscaled to 960fps on the S21 Ultra)[17][18]
Software
All the three phones run on Android 11 based Samsung's custom skin One UI 3.1 at launch.[19][20]
They all have Samsung Knox for enhanced device security.
Reception
In his review for The Verge, Dieter Bohn praised the S21 Ultra's punchy display, fast performance, long-lasting battery life and the general improvements to the camera system, likening the latter to that of the iPhone 12 Pro Max's; however, Bohn did note that the phone's plastic back is more susceptible to minor dents and scratches.[21]
Criticism has been aimed at the lack of both the audio connector and memory card-expandable storage, the latter of which existed on the preceeding Galaxy S20, whereas in 2018, Samsung made fun of iPhones' lack thereof in a series of commercials for the Galaxy S9 named "Ingenious", where unhappy iPhone customers confront an Apple Store employee over iPhones' lack of functionality that the Galaxy S9 was equipped with.[22][23]
See also
- Comparison of Samsung Galaxy S smartphones
- Exynos
- List of Qualcomm Snapdragon processors
- AMOLED
- Samsung CMOS
References
- ^ "Samsung Galaxy S21 5G". GSMArena. Archived from the original on 17 January 2021. Retrieved 14 January 2021.
- ^ "Samsung Galaxy S21+ 5G". GSMArena. Archived from the original on 17 January 2021. Retrieved 14 January 2021.
- ^ "Samsung Galaxy S21 Ultra 5G". GSMArena. Archived from the original on 3 January 2021. Retrieved 14 January 2021.
- ^ "Should you buy the Galaxy S21 series or the Galaxy S20 series?". xda-developers. 23 January 2021. Retrieved 25 January 2021.
- ^ Gartenberg, Chaim (14 January 2021). "SAMSUNG GALAXY S21, S21 PLUS, AND S21 ULTRA FIRST LOOK: POLISHED DESIGN (AND PRICES)". The Verge. Archived from the original on 14 January 2021. Retrieved 14 January 2021.
- ^ "Galaxy UNPACKED 2021". The Official Samsung Galaxy Site. Archived from the original on 13 January 2021. Retrieved 14 January 2021.
- ^ Priday, Richard (14 January 2021). "Samsung Galaxy S21 vs Galaxy S21 Plus vs Galaxy S21 Ultra: What's different?". Tom's Guide. Archived from the original on 14 January 2021. Retrieved 14 January 2021.
- ^ Cipriani, Jason (14 January 2021). "Galaxy S21 Ultra works with Samsung S Pen, Pro stylus: Price, features and limitations". CNET. Archived from the original on 14 January 2021. Retrieved 14 January 2021.
- ^ Schoon, Ben (14 January 2021). "Galaxy S21 unboxing and first impressions: No charger, but a whole lot of phone [Video]". 9to5Google. Retrieved 17 January 2021.
{{cite web}}
: CS1 maint: url-status (link) - ^ Spoonauer, Mark (17 January 2021). "Samsung Galaxy S21 Ultra review (hands on)". Tom's Guide. Retrieved 17 January 2021.
{{cite web}}
: CS1 maint: url-status (link) - ^ a b c d e "Specs | Samsung Galaxy S21 5G vs S21+ 5G vs S21 Ultra 5G". The Official Samsung Galaxy Site. Archived from the original on 15 January 2021. Retrieved 16 January 2021.
- ^ Chin, Monica (14 January 2021). "Samsung's Galaxy S21 phones don't include microSD card support". The Verge. Archived from the original on 14 January 2021. Retrieved 15 January 2021.
- ^ Hoyle, Andrew (14 January 2021). "Samsung Galaxy S21: What to know about battery life and battery sizes". CNET. Retrieved 17 January 2021.
{{cite web}}
: CS1 maint: url-status (link) - ^ "Samsung Galaxy S21 Ultra 5G - Full phone specifications". gsmarena.com. Retrieved 18 January 2021.
- ^ SamMobile. "What is UWB and why should Galaxy S21+/S21 Ultra owners care?". SamMobile. Retrieved 19 January 2021.
- ^ "How advanced A.I. and new hardware push the Galaxy S21 Ultra's camera forward". Digital Trends. Retrieved 19 January 2021.
- ^ admin (18 January 2021). "Galaxy S21 Slow Motion Feature is Retained!". Hi Speed Cameras. Retrieved 18 January 2021.
- ^ "The Galaxy S21 and S21 Plus do at least one thing better than the Ultra". Android Authority. 19 January 2021. Retrieved 19 January 2021.
- ^ Vincent, Brittany (15 January 2021). "Samsung One UI 3 arrives: These are the top features". Tom's Guide. Retrieved 17 January 2021.
{{cite web}}
: CS1 maint: url-status (link) - ^ "Samsung Galaxy S21 5G Firmware Download SM-G991B Free Download". Samsung Galaxy S21 5G Firmware Download SM-G991B Free Download. Retrieved 18 April 2021.
{{cite web}}
: CS1 maint: url-status (link) - ^ Bohn, Dieter (21 January 2021). "Samsung Galaxy S21 Ultra review: the real deal". The Verge. Retrieved 29 January 2021.
- ^ Schoon, Ben (14 January 2021). "Samsung ditches microSD cards in Galaxy S21 series". 9to5Google.
- ^ "Samsung Pokes Fun at Apple Store Employees With New Galaxy S9 'Ingenious' Ads". HYPEBEAST. 23 July 2018.