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AMD logo Athlon X4 840
versus
AMD logo Athlon II X4 620

AMD Athlon X4 840 logo AMD Athlon II X4 620 logo
General information Athlon X4 840 Athlon II X4 620
Launched Q1 2015 Q3 2009
Used in Desktop Desktop
Factory AMD AMD
Socket FM2+ AM3
Series Name AMD Athlon X4 AMD Athlon II X4
Core Family Name Kaveri Propus
Clock 3.1 GHz 0 % 2.6 GHz 16.1 %
Cores 4 0 % 4 0 %
Threads 4 0 % 4 0 %
Thermal Design Power (TDP) 65 W 31.6 % 95 W 0 %
Lithography 28 nm 37.8 % 45 nm 0 %
L1 Cache 2 × 96 kB Instruction
4 × 16 kB Data
4 × 64 kB Instruction
4 × 64 kB Data
L2 Cache 2 × 2 MB
4 × 512 kB
ECC Supported No No
Multithreading Supported No No
Performance Athlon X4 840 Athlon II X4 620
Overall Score 38273 0 % 33793 11.7 %
Future Proof 46 % 0 % 14 % 69.6 %
Benchmark Score 2146 0 % 1304 39.2 %
Single Thread Score 1474.6 0 % 1061.9 28 %
Encrypting Data 4944.1 MB/s 0 % 2956.9 MB/s 40.2 %
Compressing Data 54.9 MB/s 0 % 44.8 MB/s 18.5 %
String objects sorting 6513 thousand/s 0 % 5671.7 thousand/s 12.9 %
Prime numbers generation 12.9 millions/s 0 % 8 millions/s 37.8 %
Mathemathic operations (integer) 19769.8 millions/s 0 % 6157.7 millions/s 68.9 %
Mathemathic operations (float) 5402.3 millions/s 0 % 4582.3 millions/s 15.2 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Athlon X4 840, Athlon II X4 620.

Average frames per second Athlon X4 840 Athlon II X4 620
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 68.4 FPS 55.1 FPS
High settings 109.5 FPS 88.2 FPS
Medium settings 136.8 FPS 110.2 FPS
Low settings 171.0 FPS 137.8 FPS
Difference 0 % 19.5 %

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 X4 840 Athlon II X4 620
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 118.0 FPS 110.1 FPS
High settings 188.8 FPS 176.1 FPS
Medium settings 236.0 FPS 220.2 FPS
Low settings 295.0 FPS 275.2 FPS
Difference 0 % 6.7 %
Configuration Settings
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