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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-9900KS vs Xeon W-2255

The Intel Xeon W-2255 @ 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 11% faster in single-thread testing. However, Intel Xeon W-2255 @ 3.70GHz uses around 26% more power. The CPUs selected in this comparison belong in different CPU Classes: Desktop, Server. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 589 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Core i9-9900KS @ 4.00GHz×Intel Xeon W-2255 @ 3.70GHz+ ADD
Price $399.99 - BUY $525 - BUY
Socket TypeFCLGA1151-2FCLGA2066
CPU ClassDesktopDesktop, Server
Clockspeed4.0 GHz3.7 GHz
Turbo SpeedUp to 5.0 GHzUp to 4.7 GHz
# of Physical Cores8 (Threads: 16)10 (Threads: 20)
CacheL1: 512KB, L2: 2.0MB, L3: 16MBL1: 640KB, L2: 10.0MB, L3: 19MB
TDP127W165W
Yearly Running Cost$23.18$30.11
OtherIntel UHD Graphics 630
First Seen on ChartQ4 2019Q1 2020
# of Samples52267
CPU Value48.742.7
Single Thread Rating(% diff. to max in group)3035(0.0%)2708(-10.8%)
CPU Mark(% diff. to max in group)19461(-13.1%)22394(0.0%)

CPU Mark Rating
As of 21st of December 2024 - Higher results represent better performance
Intel Core i9-9900KS @ 4.00GHz
19,461
Intel Xeon W-2255 @ 3.70GHz
22,394
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 21st of December 2024 - Higher results represent better value
Intel Core i9-9900KS @ 4.00GHz
48.7
Intel Xeon W-2255 @ 3.70GHz
42.7
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of December 2024 - Higher results represent better performance
Intel Core i9-9900KS @ 4.00GHz
3,035
Intel Xeon W-2255 @ 3.70GHz
2,708
PassMark Software © 2008-2024
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Core i9-9900KS @ 4.00GHz Intel Xeon W-2255 @ 3.70GHz
Max TDP127W165W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.