Over 1,000,000 CPUs benchmarked
The Intel Core i9-11900 @ 2.50GHz is newer than Intel Core i9-11900K @ 3.50GHz and is around -10% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Core i9-11900 @ 2.50GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 4078 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
Compare the performance of up to 5 different CPUs
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×Intel Core i9-11900K @ 3.50GHz | ×Intel Core i9-11900 @ 2.50GHz | + ADD | |
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Price |
$429.95 - BUY
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$390.99 - BUY
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Socket Type | FCLGA1200 | FCLGA1200 | |
CPU Class | Desktop | Desktop | |
Clockspeed | 3.5 GHz | 2.5 GHz | |
Turbo Speed | Up to 5.2 GHz | Up to 5.2 GHz | |
# of Physical Cores | 8 (Threads: 16) | 8 (Threads: 16) | |
Cache | L1: 640KB, L2: 4.0MB, L3: 16MB | L1: 640KB, L2: 4.0MB, L3: 16MB | |
TDP | 125W | 65W | |
Yearly Running Cost | $22.81 | $11.86 | |
Other | Intel UHD Graphics 750 | ||
First Seen on Chart | Q1 2021 | Q2 2021 | |
# of Samples | 3545 | 533 | |
CPU Value | 58.3 | 57.5 | |
Single Thread Rating(% diff. to max in group) | 3510(0.0%) | 3375(-3.8%) | |
CPU Mark(% diff. to max in group) | 25051(0.0%) | 22468(-10.3%) |
Intel Core i9-11900K @ 3.50GHz | 25,051 | |
Intel Core i9-11900 @ 2.50GHz | 22,468 | |
PassMark Software © 2008-2025 |
Intel Core i9-11900K @ 3.50GHz | 58.3 | |
Intel Core i9-11900 @ 2.50GHz | 57.5 | |
PassMark Software © 2008-2025 |
Intel Core i9-11900K @ 3.50GHz | 3,510 | |
Intel Core i9-11900 @ 2.50GHz | 3,375 | |
PassMark Software © 2008-2025 |
Intel Core i9-11900K @ 3.50GHz | Intel Core i9-11900 @ 2.50GHz | |
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Max TDP | 125W | 65W |
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 |