iconcharts
0

CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen Threadripper PRO 3945WX vs Ryzen Threadripper PRO 3955WX

The AMD Ryzen Threadripper PRO 3955WX is newer than AMD Ryzen Threadripper PRO 3945WX and is around 19% faster in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop, Server CPU Class. The values below were tabulated from a combined 466 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×AMD Ryzen Threadripper PRO 3955WX+ ADD
Price Search Online $1099.99 - BUY
Socket TypesWRX8sWRX8
CPU ClassDesktop, ServerDesktop, Server
Clockspeed4.0 GHz3.9 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.3 GHz
# of Physical Cores12 (Threads: 24)16 (Threads: 32)
CacheL1: 768KB, L2: 6.0MB, L3: 64MBL1: 1,024KB, L2: 8.0MB, L3: 64MB
TDP280W280W
Yearly Running Cost$51.10$51.10
Other
First Seen on ChartQ3 2020Q3 2020
# of Samples194272
CPU Value0.036.3
Single Thread Rating(% diff. to max in group)2700(0.0%)2679(-0.8%)
CPU Mark(% diff. to max in group)33455(-16.2%)39929(0.0%)

CPU Mark Rating
As of 10th of December 2025 - Higher results represent better performance
AMD Ryzen Threadripper PRO 3945WX
33,455
AMD Ryzen Threadripper PRO 3955WX
39,929
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 10th of December 2025 - Higher results represent better value
AMD Ryzen Threadripper PRO 3945WX
NA
AMD Ryzen Threadripper PRO 3955WX
36.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 10th of December 2025 - Higher results represent better performance
AMD Ryzen Threadripper PRO 3945WX
2,700
AMD Ryzen Threadripper PRO 3955WX
2,679
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.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3955WX
Max TDP280W280W
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.