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Intel logo Core i5-661
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Intel logo Core2 Duo E7500

Intel Core i5-661 logo Intel Core2 Duo E7500 logo
General information Core i5-661 Core2 Duo E7500
Launched Q1 2010 Q1 2009
Used in Desktop Desktop
Factory Intel Intel
Socket LGA1156 LGA775
Series Name Intel Core i5 Intel Core 2 Duo
Core Family Name Clarkdale Wolfdale
Clock 3.3 GHz 0 % 2.9 GHz 12.1 %
Cores 2 0 % 2 0 %
Threads 4 0 % 2 50 %
Thermal Design Power (TDP) 87 W 0 % 65 W 25.3 %
Lithography 32 nm 28.9 % 45 nm 0 %
L1 Cache 2 × 32 kB Instruction
2 × 32 kB Data
2 × 32 kB Instruction
2 × 32 kB Data
L2 Cache 2 × 256 kB
1 × 3 MB
ECC Supported No No
Multithreading Supported Yes No
Performance Core i5-661 Core2 Duo E7500
Overall Score 35509 0 % 29249 17.6 %
Future Proof 17 % 0 % 11 % 35.3 %
Benchmark Score 1590 0 % 732 54 %
Single Thread Score 1454 0 % 1203.6 17.2 %
Encrypting Data 3659.4 MB/s 0 % 1677.9 MB/s 54.1 %
Compressing Data 37.7 MB/s 0 % 23.6 MB/s 37.4 %
String objects sorting 5316.3 thousand/s 0 % 3306.2 thousand/s 37.8 %
Prime numbers generation 11.1 millions/s 0 % 5 millions/s 54.9 %
Mathemathic operations (integer) 9555.9 millions/s 0 % 5002.5 millions/s 47.7 %
Mathemathic operations (float) 4062.1 millions/s 0 % 2960.1 millions/s 27.1 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i5-661, Core2 Duo E7500.

Average frames per second Core i5-661 Core2 Duo E7500
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 60.2 FPS 41.8 FPS
High settings 96.3 FPS 66.9 FPS
Medium settings 120.4 FPS 83.6 FPS
Low settings 150.5 FPS 104.5 FPS
Difference 0 % 30.6 %

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 Duo E7500
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 113.2 FPS 102.1 FPS
High settings 181.1 FPS 163.4 FPS
Medium settings 226.4 FPS 204.3 FPS
Low settings 283.0 FPS 255.3 FPS
Difference 0 % 9.8 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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