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AMD logo Phenom II X4 840
versus
AMD logo Athlon II X2 255

AMD Phenom II X4 840 logo AMD Athlon II X2 255 logo
General information Phenom II X4 840 Athlon II X2 255
Launched Q1 2011 Q1 2010
Used in Desktop Desktop
Factory AMD AMD
Socket AM2+ AM3
Series Name AMD Phenom II X4 AMD Athlon II X2
Core Family Name Deneb Regor
Clock 3.2 GHz 0 % 3.1 GHz 3.1 %
Cores 4 0 % 2 50 %
Threads 4 0 % 2 50 %
Thermal Design Power (TDP) 95 W 0 % 65 W 31.6 %
Lithography 45 nm 0 % 45 nm 0 %
L1 Cache 4 × 64 kB Instruction
4 × 64 kB Data
2 × 64 kB Instruction
2 × 64 kB Data
L2 Cache 4 × 512 kB
2 × 1 MB
ECC Supported No No
Multithreading Supported No No
Performance Phenom II X4 840 Athlon II X2 255
Overall Score 35286 0 % 29491 16.4 %
Future Proof 23 % 0 % 17 % 26.1 %
Benchmark Score 1550 0 % 756 51.2 %
Single Thread Score 1306.8 0 % 1240.2 5.1 %
Encrypting Data 3522 MB/s 0 % 1737.4 MB/s 50.7 %
Compressing Data 54 MB/s 0 % 25.8 MB/s 52.3 %
String objects sorting 6943.1 thousand/s 0 % 3273.6 thousand/s 52.9 %
Prime numbers generation 9 millions/s 0 % 6 millions/s 33.2 %
Mathemathic operations (integer) 7520.7 millions/s 0 % 3427.9 millions/s 54.4 %
Mathemathic operations (float) 5654.7 millions/s 0 % 2498 millions/s 55.8 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Phenom II X4 840, Athlon II X2 255.

Average frames per second Phenom II X4 840 Athlon II X2 255
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 59.5 FPS 42.5 FPS
High settings 95.2 FPS 68.0 FPS
Medium settings 119.0 FPS 85.0 FPS
Low settings 148.8 FPS 106.2 FPS
Difference 0 % 28.6 %

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 Phenom II X4 840 Athlon II X2 255
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 112.8 FPS 102.6 FPS
High settings 180.4 FPS 164.1 FPS
Medium settings 225.6 FPS 205.1 FPS
Low settings 281.9 FPS 256.4 FPS
Difference 0 % 9 %
Configuration Settings
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