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AMD logo Athlon II X4 645
versus
Intel logo Core2 Duo E6400

AMD Athlon II X4 645 logo Intel Core2 Duo E6400 logo
General information Athlon II X4 645 Core2 Duo E6400
Launched Q4 2010 Q1 2009
Used in Desktop Desktop
Factory AMD Intel
Socket AM3 LGA775
Series Name AMD Athlon II X4 Intel Core 2 Duo
Core Family Name Propus Conroe
Clock 3.1 GHz 0 % 2.1 GHz 32.3 %
Cores 4 0 % 2 50 %
Threads 4 0 % 2 50 %
Thermal Design Power (TDP) 95 W 0 % 65 W 31.6 %
Lithography 45 nm 30.8 % 65 nm 0 %
L1 Cache 4 × 64 kB Instruction
4 × 64 kB Data
2 × 32 kB Instruction
2 × 32 kB Data
L2 Cache 4 × 512 kB
1 × 2 MB
ECC Supported No No
Multithreading Supported No No
Performance Athlon II X4 645 Core2 Duo E6400
Overall Score 35097 0 % 26519 24.4 %
Future Proof 21 % 0 % 11 % 47.6 %
Benchmark Score 1517 0 % 495 67.4 %
Single Thread Score 1255.2 0 % 819.4 34.7 %
Encrypting Data 3489.3 MB/s 0 % 1136.2 MB/s 67.4 %
Compressing Data 52.6 MB/s 0 % 16.6 MB/s 68.5 %
String objects sorting 6686.1 thousand/s 0 % 2341.6 thousand/s 65 %
Prime numbers generation 9 millions/s 0 % 4 millions/s 55.4 %
Mathemathic operations (integer) 7182.8 millions/s 0 % 3127.5 millions/s 56.5 %
Mathemathic operations (float) 5238.4 millions/s 0 % 1695.6 millions/s 67.6 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Athlon II X4 645, Core2 Duo E6400.

Average frames per second Athlon II X4 645 Core2 Duo E6400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 58.9 FPS 35.6 FPS
High settings 94.3 FPS 57.0 FPS
Medium settings 117.9 FPS 71.3 FPS
Low settings 147.4 FPS 89.1 FPS
Difference 0 % 39.5 %

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 X4 645 Core2 Duo E6400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 112.4 FPS 97.3 FPS
High settings 179.9 FPS 155.7 FPS
Medium settings 224.8 FPS 194.6 FPS
Low settings 281.0 FPS 243.2 FPS
Difference 0 % 13.5 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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