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Intel i9-11900H vs Xeon W-11855M

The Intel Core i9-11900H @ 2.50GHz is newer than Intel Xeon W-11855M @ 3.20GHz and is around 13% faster in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Both CPUs operates at simliar power levels (TDP). The CPUs selected in this comparison belong in different CPU Classes: Laptop, Server. Consider, selecting CPUs from simliar CPU Class for more apt comparison. The values below were tabulated from a combined 1312 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 i9-11900H @ 2.50GHz×Intel Xeon W-11855M @ 3.20GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1787FCBGA1787
CPU ClassLaptopLaptop, Server
Clockspeed2.5 GHz3.2 GHz
Turbo SpeedUp to 4.9 GHzUp to 4.9 GHz
# of Physical Cores8 (Threads: 16)6 (Threads: 12)
CacheL1: 640KB, L2: 10.0MB, L3: 24MBL1: 480KB, L2: 7.5MB, L3: 18MB
TDP45W45W
Yearly Running Cost$8.21$8.21
OtherIntel UHD Graphics for 11th Gen Intel ProcessorsIntel UHD Graphics for 11th Gen Intel Processors
First Seen on ChartQ3 2021Q2 2021
# of Samples1121191
CPU Value36.739.3
Single Thread Rating(% diff. to max in group)3092(-2.9%)3185(0.0%)
CPU Mark(% diff. to max in group)20025(0.0%)17666(-11.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 8th of November 2025 - Higher results represent better performance
Intel Core i9-11900H @ 2.50GHz
20,025
Intel Xeon W-11855M @ 3.20GHz
17,666
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 8th of November 2025 - Higher results represent better value
Intel Core i9-11900H @ 2.50GHz
36.7
Intel Xeon W-11855M @ 3.20GHz
39.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 8th of November 2025 - Higher results represent better performance
Intel Core i9-11900H @ 2.50GHz
3,092
Intel Xeon W-11855M @ 3.20GHz
3,185
PassMark Software © 2008-2025
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 i9-11900H @ 2.50GHz Intel Xeon W-11855M @ 3.20GHz
Max TDP45W45W
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.