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AMD logo Phenom II X2 B55
versus
AMD logo Phenom 8400

AMD Phenom II X2 B55 logo AMD Phenom 8400 logo
General information Phenom II X2 B55 Phenom 8400
Launched Q4 2009 Q1 2009
Used in Desktop Desktop
Factory AMD AMD
Socket AM3 AM2+
Clock 3 GHz 0 % 2.1 GHz 30 %
Cores 2 33.3 % 3 0 %
Threads 2 33.3 % 3 0 %
Thermal Design Power (TDP) 80 W 15.8 % 95 W 0 %
Performance Phenom II X2 B55 Phenom 8400
Overall Score 29575 0 % 29456 0.4 %
Future Proof 15 % 0 % 11 % 26.7 %
Benchmark Score 765 0 % 753 1.6 %
Single Thread Score 1197.4 0 % 811.6 32.2 %
Encrypting Data 1753.5 MB/s 0 % 1713.3 MB/s 2.3 %
Compressing Data 24.3 MB/s 8.8 % 26.7 MB/s 0 %
String objects sorting 3103.6 thousand/s 4.2 % 3241.2 thousand/s 0 %
Prime numbers generation 9.9 millions/s 0 % 3 millions/s 70 %
Mathemathic operations (integer) 3339.3 millions/s 0 % 3250.9 millions/s 2.6 %
Mathemathic operations (float) 2467.4 millions/s 15.3 % 2911.6 millions/s 0 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Phenom II X2 B55, Phenom 8400.

Average frames per second Phenom II X2 B55 Phenom 8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 42.7 FPS 42.4 FPS
High settings 68.4 FPS 67.8 FPS
Medium settings 85.5 FPS 84.7 FPS
Low settings 106.8 FPS 105.9 FPS
Difference 0 % 0.8 %

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 X2 B55 Phenom 8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 102.5 FPS 102.3 FPS
High settings 164.0 FPS 163.7 FPS
Medium settings 204.9 FPS 204.6 FPS
Low settings 256.2 FPS 255.7 FPS
Difference 0 % 0.2 %
Configuration Settings
Gaming astronaut image
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Screen resolution Screen resolution image
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