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AMD Ryzen Threadripper PRO 3945WX vs Intel i9-11900K

The Intel Core i9-11900K @ 3.50GHz is newer than AMD Ryzen Threadripper PRO 3945WX, while AMD Ryzen Threadripper PRO 3945WX is around 25% faster in multi-threaded (CPU Mark) testing, but Intel Core i9-11900K @ 3.50GHz is around 23% faster in single-thread testing. However, Intel Core i9-11900K @ 3.50GHz uses substantially less 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 3111 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.

×AMD Ryzen Threadripper PRO 3945WX×Intel Core i9-11900K @ 3.50GHz+ ADD
Price Search Online $298.89 - BUY
Socket TypesWRX8FCLGA1200
CPU ClassDesktop, ServerDesktop
Clockspeed4.0 GHz3.5 GHz
Turbo SpeedUp to 4.3 GHzUp to 5.2 GHz
# of Physical Cores12 (Threads: 24)8 (Threads: 16)
CacheL1: 768KB, L2: 6.0MB, L3: 64MBL1: 640KB, L2: 4.0MB, L3: 16MB
TDP280W125W
Yearly Running Cost$51.10$22.81
Other
First Seen on ChartQ3 2020Q1 2021
# of Samples1432968
CPU Value0.084.3
Single Thread Rating(% diff. to max in group)2699(-23.2%)3516(0.0%)
CPU Mark(% diff. to max in group)33521(0.0%)25193(-24.8%)

CPU Mark Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Ryzen Threadripper PRO 3945WX
33,521
Intel Core i9-11900K @ 3.50GHz
25,193
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 22nd of December 2024 - Higher results represent better value
AMD Ryzen Threadripper PRO 3945WX
NA
Intel Core i9-11900K @ 3.50GHz
84.3
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Ryzen Threadripper PRO 3945WX
2,699
Intel Core i9-11900K @ 3.50GHz
3,516
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.
AMD Ryzen Threadripper PRO 3945WX Intel Core i9-11900K @ 3.50GHz
Max TDP280W125W
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.