Over 1,000,000 CPUs benchmarked
The Intel Core2 Quad Q8300 @ 2.50GHz is newer than Intel Core2 Duo E8400 @ 3.00GHz also around 36% faster in multi-threaded (CPU Mark) testing, but Intel Core2 Duo E8400 @ 3.00GHz is around 14% faster in single-thread testing. However, Intel Core2 Quad Q8300 @ 2.50GHz uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 9399 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
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×Intel Core2 Duo E8400 @ 3.00GHz | ×Intel Core2 Quad Q8300 @ 2.50GHz | + ADD | |
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Price |
$23.03 - BUY
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$79.1 - BUY
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Socket Type | LGA775 | LGA775 | |
CPU Class | Desktop | Desktop | |
Clockspeed | 3.0 GHz | 2.5 GHz | |
Turbo Speed | Not Supported | Not Supported | |
# of Physical Cores | 2 (Threads: 2) | 4 (Threads: 4) | |
Cache | L1: 128KB, L2: 6.0MB, L3: 0MB | L1: 256KB, L2: 4.0MB, L3: 0MB | |
TDP | 65W | 95W | |
Yearly Running Cost | $11.86 | $17.34 | |
Other | |||
First Seen on Chart | Q4 2008 | Q1 2009 | |
# of Samples | 7292 | 2107 | |
CPU Value | 52.6 | 24.1 | |
Single Thread Rating(% diff. to max in group) | 12333(0.0%) | 1061(-14.0%) | |
CPU Mark(% diff. to max in group) | 1211(-36.4%) | 1903(0.0%) |
Intel Core2 Duo E8400 @ 3.00GHz | 1,211 | |
Intel Core2 Quad Q8300 @ 2.50GHz | 1,903 | |
PassMark Software © 2008-2025 |
Intel Core2 Duo E8400 @ 3.00GHz | 52.6 | |
Intel Core2 Quad Q8300 @ 2.50GHz | 24.1 | |
PassMark Software © 2008-2025 |
Intel Core2 Duo E8400 @ 3.00GHz | 1,233 | |
Intel Core2 Quad Q8300 @ 2.50GHz | 1,061 | |
PassMark Software © 2008-2025 |
Intel Core2 Duo E8400 @ 3.00GHz | Intel Core2 Quad Q8300 @ 2.50GHz | |
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Max TDP | 65W | 95W |
Power consumption per day (kWh) | NA | NA |
Running cost per day | NA | NA |
Power consumption per year (kWh) | NA | NA |
Running cost per year | NA | NA |