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Intel logo Core i7-840QM
versus
Intel logo Celeron M 420

Intel Core i7-840QM logo Intel Celeron M 420 logo
General information Core i7-840QM Celeron M 420
Launched Q3 2010 Q1 2009
Used in Mobile Mobile
Factory Intel Intel
Socket PGA988A PPGA478
Clock 1.9 GHz 0 % 1.6 GHz 15.8 %
Cores 4 0 % 1 75 %
Threads 8 0 % 1 87.5 %
Thermal Design Power (TDP) 45 W 0 % 27 W 40 %
Performance Core i7-840QM Celeron M 420
Overall Score 33414 0 % 17276 48.3 %
Future Proof 20 % 0 % 11 % 45 %
Benchmark Score 1247 0 % 89 92.9 %
Single Thread Score 1136.5 0 % 391.4 65.6 %
Encrypting Data 2850.3 MB/s 0 % 205.1 MB/s 92.8 %
Compressing Data 39.6 MB/s 0 % 3.1 MB/s 92.2 %
String objects sorting 5661.1 thousand/s 0 % 364.9 thousand/s 93.6 %
Prime numbers generation 18.1 millions/s 0 % 1.4 millions/s 92.2 %
Mathemathic operations (integer) 10385.2 millions/s 0 % 920.3 millions/s 91.1 %
Mathemathic operations (float) 4559.9 millions/s 0 % 512.2 millions/s 88.8 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-840QM, Celeron M 420.

Average frames per second Core i7-840QM Celeron M 420
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 54.2 FPS 22.4 FPS
High settings 86.7 FPS 35.8 FPS
Medium settings 108.4 FPS 44.7 FPS
Low settings 135.4 FPS 55.9 FPS
Difference 0 % 58.7 %

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 Core i7-840QM Celeron M 420
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 109.7 FPS 80.9 FPS
High settings 175.5 FPS 129.4 FPS
Medium settings 219.3 FPS 161.8 FPS
Low settings 274.2 FPS 202.3 FPS
Difference 0 % 26.2 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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