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Intel logo Core i5-661
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Intel logo Core2 Quad Q8400

Intel Core i5-661 logo Intel Core2 Quad Q8400 logo
General information Core i5-661 Core2 Quad Q8400
Launched Q1 2010 Q2 2009
Used in Desktop Desktop
Factory Intel Intel
Socket LGA1156 LGA775
Series Name Intel Core i5 Intel Core 2 Quad
Core Family Name Clarkdale Yorkfield
Clock 3.3 GHz 0 % 2.7 GHz 18.2 %
Cores 2 50 % 4 0 %
Threads 4 0 % 4 0 %
Thermal Design Power (TDP) 87 W 8.4 % 95 W 0 %
Lithography 32 nm 28.9 % 45 nm 0 %
L1 Cache 2 × 32 kB Instruction
2 × 32 kB Data
4 × 32 kB Instruction
4 × 32 kB Data
L2 Cache 2 × 256 kB
2 × 2 MB
ECC Supported No No
Multithreading Supported Yes No
Performance Core i5-661 Core2 Quad Q8400
Overall Score 35595 0 % 34108 4.2 %
Future Proof 17 % 0 % 13 % 23.5 %
Benchmark Score 1605 0 % 1353 15.7 %
Single Thread Score 1448.2 0 % 1149.4 20.6 %
Encrypting Data 3459.8 MB/s 0 % 2916.7 MB/s 15.7 %
Compressing Data 37.6 MB/s 17.5 % 45.5 MB/s 0 %
String objects sorting 5370 thousand/s 12.8 % 6161.8 thousand/s 0 %
Prime numbers generation 11 millions/s 0 % 7 millions/s 36 %
Mathemathic operations (integer) 9642 millions/s 3.2 % 9963 millions/s 0 %
Mathemathic operations (float) 4078.3 millions/s 28 % 5661.2 millions/s 0 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i5-661, Core2 Quad Q8400.

Average frames per second Core i5-661 Core2 Quad Q8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 60.1 FPS 55.7 FPS
High settings 96.2 FPS 89.2 FPS
Medium settings 120.3 FPS 111.5 FPS
Low settings 150.4 FPS 139.4 FPS
Difference 0 % 7.3 %

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 i5-661 Core2 Quad Q8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 113.0 FPS 110.3 FPS
High settings 180.8 FPS 176.5 FPS
Medium settings 226.0 FPS 220.7 FPS
Low settings 282.5 FPS 275.8 FPS
Difference 0 % 2.4 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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