Over 1,000,000 CPUs benchmarked
The Intel Core2 Quad Q8400 @ 2.66GHz is newer than Intel Core2 Extreme Q6800 @ 2.93GHz and has comparable multi-threaded (CPU Mark) and single-thread rating. However, Intel Core2 Quad Q8400 @ 2.66GHz uses around 24% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1682 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
×Intel Core2 Extreme Q6800 @ 2.93GHz | ×Intel Core2 Quad Q8400 @ 2.66GHz | + ADD | |
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Socket Type | LGA775 | LGA775 | |
CPU Class | Desktop | Desktop | |
Clockspeed | 2.9 GHz | 2.7 GHz | |
Turbo Speed | Not Supported | Not Supported | |
# of Physical Cores | 4 (Threads: 4) | 4 (Threads: 4) | |
Cache | L1: 256KB, L2: 8.0MB, L3: 0MB | L1: 256KB, L2: 4.0MB, L3: 0MB | |
TDP | 75W | 95W | |
Yearly Running Cost | $13.69 | $17.34 | |
Other | |||
First Seen on Chart | Q4 2008 | Q2 2009 | |
# of Samples | 51 | 1631 | |
CPU Value | 1.9 | 16.0 | |
Single Thread Rating(% diff. to max in group) | 1124(-1.8%) | 1144(0.0%) | |
CPU Mark(% diff. to max in group) | 2145(0.0%) | 2066(-3.7%) |
Intel Core2 Extreme Q6800 @ 2.93GHz | 2,145 | |
Intel Core2 Quad Q8400 @ 2.66GHz | 2,066 | |
PassMark Software © 2008-2024 |
Intel Core2 Extreme Q6800 @ 2.93GHz | 1.9 | |
Intel Core2 Quad Q8400 @ 2.66GHz | 16.0 | |
PassMark Software © 2008-2024 |
Intel Core2 Extreme Q6800 @ 2.93GHz | 1,124 | |
Intel Core2 Quad Q8400 @ 2.66GHz | 1,144 | |
PassMark Software © 2008-2024 |
Intel Core2 Extreme Q6800 @ 2.93GHz | Intel Core2 Quad Q8400 @ 2.66GHz | |
---|---|---|
Max TDP | 75W | 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 |