True Performance Index
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True Performance Index (TPI) is used to measure the performance of central processing unit chips produced by manufacturer AMD. For example, the Athlon 3400+ chip has a TPI rating of 3400, hence the name of the model. The True Performance Index is designed to help consumers choose AMD CPU products by comparing them to processors' speeds from competing manufacturers (Intel).
- PR rating, an older version of the True Performance Index.
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