Over 1,000,000 CPUs benchmarked
The Intel Core i7-8086K @ 4.00GHz is newer than Intel Core i7-6950X @ 3.00GHz, while Intel Core i7-6950X @ 3.00GHz is around 19% faster in multi-threaded (CPU Mark) testing, but Intel Core i7-8086K @ 4.00GHz is around 18% faster in single-thread testing. However, Intel Core i7-6950X @ 3.00GHz 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 2081 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
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×Intel Core i7-6950X @ 3.00GHz | ×Intel Core i7-8086K @ 4.00GHz | + ADD | |
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Price | $217.98 - BUY | $193.63 - BUY | |
Socket Type | LGA2011-v3 | FCLGA1151-2 | |
CPU Class | Desktop | Desktop | |
Clockspeed | 3.0 GHz | 4.0 GHz | |
Turbo Speed | Up to 4.0 GHz | Up to 5.0 GHz | |
# of Physical Cores | 10 (Threads: 20) | 6 (Threads: 12) | |
Cache | L1: 640KB, L2: 2.5MB, L3: 25MB | L1: 384KB, L2: 1.5MB, L3: 12MB | |
TDP | 140W | 95W | |
Yearly Running Cost | $25.55 | $17.34 | |
Other | Intel UHD Graphics 630 | ||
First Seen on Chart | Q2 2016 | Q2 2018 | |
# of Samples | 606 | 1475 | |
CPU Value | 79.9 | 73.3 | |
Single Thread Rating(% diff. to max in group) | 2329(-17.9%) | 2836(0.0%) | |
CPU Mark(% diff. to max in group) | 17422(0.0%) | 14193(-18.5%) |
Intel Core i7-6950X @ 3.00GHz | 17,422 | |
Intel Core i7-8086K @ 4.00GHz | 14,193 | |
PassMark Software © 2008-2025 |
Intel Core i7-6950X @ 3.00GHz | 79.9 | |
Intel Core i7-8086K @ 4.00GHz | 73.3 | |
PassMark Software © 2008-2025 |
Intel Core i7-6950X @ 3.00GHz | 2,329 | |
Intel Core i7-8086K @ 4.00GHz | 2,836 | |
PassMark Software © 2008-2025 |
Intel Core i7-6950X @ 3.00GHz | Intel Core i7-8086K @ 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 |