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Intel logo Core i5-661
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Intel logo Core2 Duo E8300

Intel Core i5-661 logo Intel Core2 Duo E8300 logo
General information Core i5-661 Core2 Duo E8300
Launched Q1 2010 Q4 2008
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 % 2.8 GHz 15.2 %
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 × 6 MB
ECC Supported No No
Multithreading Supported Yes No
Performance Core i5-661 Core2 Duo E8300
Overall Score 35534 0 % 28335 20.3 %
Future Proof 17 % 0 % 10 % 41.2 %
Benchmark Score 1594 0 % 645 59.5 %
Single Thread Score 1434.3 0 % 1077.2 24.9 %
Encrypting Data 3633.4 MB/s 0 % 1460.1 MB/s 59.8 %
Compressing Data 38.2 MB/s 0 % 19.3 MB/s 49.3 %
String objects sorting 5295.1 thousand/s 0 % 2885.8 thousand/s 45.5 %
Prime numbers generation 11.1 millions/s 0 % 8 millions/s 27.3 %
Mathemathic operations (integer) 9406.1 millions/s 0 % 4357.5 millions/s 53.7 %
Mathemathic operations (float) 3988 millions/s 0 % 2430 millions/s 39.1 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i5-661, Core2 Duo E8300.

Average frames per second Core i5-661 Core2 Duo E8300
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 60.3 FPS 39.5 FPS
High settings 96.4 FPS 63.2 FPS
Medium settings 120.5 FPS 79.0 FPS
Low settings 150.6 FPS 98.8 FPS
Difference 0 % 34.4 %

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 E8300
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 113.2 FPS 100.5 FPS
High settings 181.2 FPS 160.9 FPS
Medium settings 226.5 FPS 201.1 FPS
Low settings 283.1 FPS 251.3 FPS
Difference 0 % 11.2 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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