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AMD Athlon II X4 645 3.1GHz Socket AM3 Quad-Core Processor Review
AMD Athlon II X4 645 3.1GHz Socket AM3 Quad-Core Processor Review
  80%   
Abstract: In this review PCSTATS is testing AMD's latest mainstream quad-core chip, the 3.1GHz Athlon II X4 645 processor. Architecturally speaking the Athlon II X4 645 is identical to the preceding Athlon II X4 635 model, except for a modest clock speed increase.

 Company link  Category  Published  Author 
AMD   CPU / Processors   Sep 22, 2010   A. Edmond  
Home > Reviews > Page Title: CPU Calculation Benchmarks: Super Pi

Super Pi Mod 1.5 Source: SuperPI

SuperPI calculates the number PI to 1 Million digits in this raw number crunching benchmark. The benchmark is fairly diverse and allows the user to change the number of digits of PI that can be calculated from 16 Thousand to 32 Million. The benchmark, which uses 19 iterations in the test, is set 1 Million digits. Lower calculation times are better. SuperPi is not multi-threaded..

PCSTATS Benchmark ReportSuper Pi Mod 1.5 XS (single-threaded)
1 Million Digits: (sec) Points Ranking
Intel Core i7 920 15.313
Intel Core i5 750 15.678
Intel Core 2 Duo E8400 15.553
AMD Phenom II X6 1090T 19.573
AMD Phenom II X6 1075T 20.062
AMD Phenom II X4 970 Black Edition 19.906
AMD Phenom II X4 965 Black Edition 20.374
AMD Phenom II X4 910e 26.177
AMD Phenom II X2 555 Black Edition 21.206
AMD Athlon II X4 645 26.005
AMD Athlon II X4 635 27.144
AMD Athlon II X4 620 29.828
AMD Athlon II X3 435 27.222
AMD Athlon II X2 240e 27.285
8 Million Digits: (sec) Points Ranking
Intel Core i7 920 171.781
Intel Core i5 750 174.876
Intel Core 2 Duo E8400 196.529
AMD Phenom II X6 1090T 243.064
AMD Phenom II X6 1075T 251.051
AMD Phenom II X4 970 Black Edition 251.816
AMD Phenom II X4 965 Black Edition 255.482
AMD Phenom II X4 910e 319.991
AMD Phenom II X2 555 Black Edition 268.32
AMD Athlon II X4 645 283.671
AMD Athlon II X4 635 296.868
AMD Athlon II X4 620 324.667
AMD Athlon II X3 435 296.713
AMD Athlon II X2 240e 303.639
16 Million Digits: (sec) Points Ranking
Intel Core i7 920 375.969
Intel Core i5 750 414.725
Intel Core 2 Duo E8400 441.066
AMD Phenom II X6 1090T 545.58
AMD Phenom II X6 1075T 561.96
AMD Phenom II X4 970 Black Edition 564.425
AMD Phenom II X4 965 Black Edition 573.395
AMD Phenom II X4 910e 712.541
AMD Phenom II X2 555 Black Edition 601.771
AMD Athlon II X4 645 627.355
AMD Athlon II X4 635 656.839
AMD Athlon II X4 620 719.676
AMD Athlon II X3 435 657.058
AMD Athlon II X2 240e 660.954

SuperPi is an older, non-multithreaded benchmark but still a fun one to throw at new processors.

Although the Athlon II X4 645 is clocked at an impressive 3.1GHz, this single-threaded benchmark only takes advantage of 1/4 of the CPUs' capabilities. The AII X4 645 manages to calculate Pi to 16 million digits in just over 627 seconds, while the quad core Intel Core i5 750 does the same task in significantly quicker 414 seconds.



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Table of Contents:

 1:  AMD Athlon II X4 645 3.1GHz Socket AM3 Quad-Core Processor Review
 2:  AMD Athlon II X4 645 CPU Overclocking Report
 3:  CPU System Benchmarks: Sysmark 2007
 4:  CPU System Benchmarks: PCMark Vantage
 5:  CPU Synthetic Benchmarks: SiSoft Sandra Processor
 6:  CPU Synthetic Benchmarks: SiSoft Sandra Memory
 7: — CPU Calculation Benchmarks: Super Pi
 8:  CPU Calculation Benchmarks: wPrime2.0
 9:  CPU Calculation Benchmarks: ScienceMark2.3, WinRAR
 10:  CPU Rendering Benchmarks: Cinebench R10, Bibble 5
 11:  CPU Rendering Benchmarks: POV-Ray 3.7
 12:  CPU Rendering Benchmarks: SPECviewPerf 10
 13:  CPU Synthetic Gaming Benchmarks: 3DMark Vantage, 3DMark 06
 14:  CPU Gaming Benchmarks: Crysis, FEAR
 15:  Incremental Clock Boost, Minor Gain?

List all AMD heat sinks that Frostytech tested?

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