Over 1,000,000 CPUs benchmarked
The Intel Core i9-10900X @ 3.70GHz is newer than Intel Core i9-9900KS @ 4.00GHz also around 13% faster in multi-threaded (CPU Mark) testing, but Intel Core i9-9900KS @ 4.00GHz is around 12% faster in single-thread testing. However, Intel Core i9-10900X @ 3.70GHz uses around 26% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1111 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
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×Intel Core i9-9900KS @ 4.00GHz | ×Intel Core i9-10900X @ 3.70GHz | + ADD | |
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Price | $459.09 - BUY | $565 - BUY | |
Socket Type | FCLGA1151-2 | FCLGA2066 | |
CPU Class | Desktop | Desktop | |
Clockspeed | 4.0 GHz | 3.7 GHz | |
Turbo Speed | Up to 5.0 GHz | Up to 4.7 GHz | |
# of Physical Cores | 8 (Threads: 16) | 10 (Threads: 20) | |
Cache | L1: 512KB, L2: 2.0MB, L3: 16MB | L1: 640KB, L2: 10.0MB, L3: 19MB | |
TDP | 127W | 165W | |
Yearly Running Cost | $23.18 | $30.11 | |
Other | Intel UHD Graphics 630 | ||
First Seen on Chart | Q4 2019 | Q4 2019 | |
# of Samples | 529 | 582 | |
CPU Value | 42.4 | 39.8 | |
Single Thread Rating(% diff. to max in group) | 3035(0.0%) | 2676(-11.8%) | |
CPU Mark(% diff. to max in group) | 19458(-13.4%) | 22465(0.0%) |
Intel Core i9-9900KS @ 4.00GHz | 19,458 | |
Intel Core i9-10900X @ 3.70GHz | 22,465 | |
PassMark Software © 2008-2025 |
Intel Core i9-9900KS @ 4.00GHz | 42.4 | |
Intel Core i9-10900X @ 3.70GHz | 39.8 | |
PassMark Software © 2008-2025 |
Intel Core i9-9900KS @ 4.00GHz | 3,035 | |
Intel Core i9-10900X @ 3.70GHz | 2,676 | |
PassMark Software © 2008-2025 |
Intel Core i9-9900KS @ 4.00GHz | Intel Core i9-10900X @ 3.70GHz | |
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Max TDP | 127W | 165W |
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 |