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AMD Ryzen Threadripper PRO 9955WX vs Intel Xeon 6520P

Both CPUs were released (or first benchmaked) within the last year, but Intel Xeon 6520P is around -5% slower in multi-threaded (CPU Mark) testing. The Intel Xeon 6520P is around -26% slower in single-thread testing. Also, AMD Ryzen Threadripper PRO 9955WX uses around 50% 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 66 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 9955WX×Intel Xeon 6520P+ ADD
Price Search Online Search Online
Socket TypesTR5FCLGA4710
CPU ClassDesktop, ServerServer
Clockspeed4.5 GHz2.4 GHz
Turbo SpeedUp to 5.4 GHzUp to 4.0 GHz
# of Physical Cores16 (Threads: 32)24 (Threads: 48)
CacheL1: 1,024KB, L2: 16.0MB, L3: 64MBL1: 2,688KB, L2: 48.0MB, L3: 144MB
TDP350W210W
Yearly Running Cost$63.87$38.32
Other
First Seen on ChartQ3 2025Q2 2025
# of Samples642
CPU Rank123143
CPU Value41.549.4
Single Thread Rating(% diff. to max in group)4539(0.0%)3379(-25.5%)
CPU Mark(% diff. to max in group)67491(0.0%)64010(-5.2%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of March 2026 - Higher results represent better performance
AMD Ryzen Threadripper PRO 9955WX
67,491
Intel Xeon 6520P
64,010
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 14th of March 2026 - Higher results represent better value
AMD Ryzen Threadripper PRO 9955WX
41.5
Intel Xeon 6520P
49.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 14th of March 2026 - Higher results represent better performance
AMD Ryzen Threadripper PRO 9955WX
4,539
Intel Xeon 6520P
3,379
PassMark Software © 2008-2026
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 9955WX Intel Xeon 6520P
Max TDP350W210W
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.