Compare processors

Intel logo Xeon E5645
versus
Intel logo Xeon E5520

Intel Xeon E5645 logo Intel Xeon E5520 logo
General information Xeon E5645 Xeon E5520
Launched Q2 2011 Q1 2009
Used in Server Server
Factory Intel Intel
Socket LGA1366 LGA1366
Clock 2.4 GHz 0 % 2.3 GHz 4.2 %
Turbo Clock 2.7 GHz 0 % 2.5 GHz 7.4 %
Cores 6 0 % 4 33.3 %
Threads 12 0 % 8 33.3 %
Thermal Design Power (TDP) 80 W 0 % 80 W 0 %
Performance Xeon E5645 Xeon E5520
Overall Score 42499 0 % 35723 15.9 %
Future Proof 24 % 0 % 11 % 54.2 %
Benchmark Score 3262 0 % 1629 50.1 %
Single Thread Score 1166.4 0 % 1057.4 9.3 %
Encrypting Data 1894.4 MB/s 49.6 % 3756.1 MB/s 0 %
Compressing Data 82.1 MB/s 0 % 54.5 MB/s 33.7 %
String objects sorting 11077.8 thousand/s 0 % 7442.1 thousand/s 32.8 %
Prime numbers generation 26.8 millions/s 0 % 21.2 millions/s 21 %
Mathemathic operations (integer) 20334.4 millions/s 0 % 13262.8 millions/s 34.8 %
Mathemathic operations (float) 8762.5 millions/s 0 % 5725.2 millions/s 34.7 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Xeon E5645, Xeon E5520.

Average frames per second Xeon E5645 Xeon E5520
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 81.0 FPS 60.8 FPS
High settings 129.5 FPS 97.3 FPS
Medium settings 161.9 FPS 121.7 FPS
Low settings 202.4 FPS 152.1 FPS
Difference 0 % 24.9 %

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 Xeon E5645 Xeon E5520
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 125.5 FPS 113.5 FPS
High settings 200.8 FPS 181.6 FPS
Medium settings 251.0 FPS 227.0 FPS
Low settings 313.7 FPS 283.8 FPS
Difference 0 % 9.5 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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