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AMD logo Athlon II X2 255
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Intel logo Core2 Duo E6400

AMD Athlon II X2 255 logo Intel Core2 Duo E6400 logo
General information Athlon II X2 255 Core2 Duo E6400
Launched Q1 2010 Q1 2009
Used in Desktop Desktop
Factory AMD Intel
Socket AM3 LGA775
Series Name AMD Athlon II X2 Intel Core 2 Duo
Core Family Name Regor Conroe
Clock 3.1 GHz 0 % 2.1 GHz 32.3 %
Cores 2 0 % 2 0 %
Threads 2 0 % 2 0 %
Thermal Design Power (TDP) 65 W 0 % 65 W 0 %
Lithography 45 nm 30.8 % 65 nm 0 %
L1 Cache 2 × 64 kB Instruction
2 × 64 kB Data
2 × 32 kB Instruction
2 × 32 kB Data
L2 Cache 2 × 1 MB
1 × 2 MB
ECC Supported No No
Multithreading Supported No No
Performance Athlon II X2 255 Core2 Duo E6400
Overall Score 29491 0 % 26519 10.1 %
Future Proof 17 % 0 % 11 % 35.3 %
Benchmark Score 756 0 % 495 34.5 %
Single Thread Score 1224.1 0 % 813.6 33.5 %
Encrypting Data 1734.2 MB/s 0 % 1122.6 MB/s 35.3 %
Compressing Data 25.5 MB/s 0 % 16.6 MB/s 35 %
String objects sorting 3319.6 thousand/s 0 % 2372.2 thousand/s 28.5 %
Prime numbers generation 6 millions/s 0 % 4 millions/s 32.7 %
Mathemathic operations (integer) 3452.1 millions/s 0 % 3087 millions/s 10.6 %
Mathemathic operations (float) 2508 millions/s 0 % 1688.8 millions/s 32.7 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Athlon II X2 255, Core2 Duo E6400.

Average frames per second Athlon II X2 255 Core2 Duo E6400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 42.5 FPS 35.6 FPS
High settings 68.0 FPS 57.0 FPS
Medium settings 85.0 FPS 71.3 FPS
Low settings 106.2 FPS 89.1 FPS
Difference 0 % 16.1 %

Grand Theft Auto V Frames per second

Comparison of FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) in game 1920 × 1080 (FHD (1080p)) for Grand Theft Auto V.

Grand Theft Auto V Athlon II X2 255 Core2 Duo E6400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 102.6 FPS 97.4 FPS
High settings 164.1 FPS 155.8 FPS
Medium settings 205.1 FPS 194.7 FPS
Low settings 256.4 FPS 243.4 FPS
Difference 0 % 5.1 %
Configuration Settings
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Screen resolution Screen resolution image
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