Over 1,000,000 CPUs benchmarked
The Intel Core i7-6700K @ 4.00GHz is newer than Intel Core i7-5820K @ 3.30GHz and is around -9% slower in multi-threaded (CPU Mark) testing. The Intel Core i7-6700K @ 4.00GHz is around 26% faster in single-thread testing. Also, Intel Core i7-5820K @ 3.30GHz 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 22389 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
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×Intel Core i7-5820K @ 3.30GHz | ×Intel Core i7-6700K @ 4.00GHz | + ADD | |
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Price |
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Socket Type | LGA2011-v3 | LGA1151 | |
CPU Class | Desktop | Desktop | |
Clockspeed | 3.3 GHz | 4.0 GHz | |
Turbo Speed | Up to 3.6 GHz | Up to 4.2 GHz | |
# of Physical Cores | 6 (Threads: 12) | 4 (Threads: 8) | |
Cache | L1: 384KB, L2: 1.5MB, L3: 15MB | L1: 256KB, L2: 1.0MB, L3: 8MB | |
TDP | 140W | 95W | |
Yearly Running Cost | $25.55 | $17.34 | |
Other | |||
First Seen on Chart | Q3 2014 | Q3 2015 | |
# of Samples | 4983 | 17406 | |
CPU Value | 62.2 | 71.3 | |
Single Thread Rating(% diff. to max in group) | 1989(-20.6%) | 2504(0.0%) | |
CPU Mark(% diff. to max in group) | 9826(0.0%) | 8938(-9.0%) |
Intel Core i7-5820K @ 3.30GHz | 9,826 | |
Intel Core i7-6700K @ 4.00GHz | 8,938 | |
PassMark Software © 2008-2025 |
Intel Core i7-5820K @ 3.30GHz | 62.2 | |
Intel Core i7-6700K @ 4.00GHz | 71.3 | |
PassMark Software © 2008-2025 |
Intel Core i7-5820K @ 3.30GHz | 1,989 | |
Intel Core i7-6700K @ 4.00GHz | 2,504 | |
PassMark Software © 2008-2025 |
Intel Core i7-5820K @ 3.30GHz | Intel Core i7-6700K @ 4.00GHz | |
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Max TDP | 140W | 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 |