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AMD Ryzen 5 PRO 9645 vs Ryzen 5 7500X3D

Both CPUs were released (or first benchmaked) within the last year, but AMD Ryzen 5 7500X3D is around -21% slower in multi-threaded (CPU Mark) testing. The AMD Ryzen 5 7500X3D is around -25% slower in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 412 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 5 PRO 9645×AMD Ryzen 5 7500X3D+ ADD
Price Search Online $319.99 - BUY
Socket TypeAM5AM5
CPU ClassDesktopDesktop
Clockspeed3.9 GHz4.0 GHz
Turbo SpeedUp to 5.4 GHzUp to 5.4 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 480KB, L2: 6.0MB, L3: 32MBL1: 384KB, L2: 6.0MB, L3: 96MB
TDP65W65W
Yearly Running Cost$11.86$11.86
Otherwith Radeon GraphicsAMD Radeon Graphics
First Seen on ChartQ4 2025Q4 2025
# of Samples37636
CPU Rank451656
CPU Value0.078.2
Single Thread Rating(% diff. to max in group)4645(0.0%)3496(-24.7%)
CPU Mark(% diff. to max in group)31511(0.0%)25024(-20.6%)

CPU Mark Rating
As of 16th of January 2026 - Higher results represent better performance
AMD Ryzen 5 PRO 9645
31,511
AMD Ryzen 5 7500X3D
25,024
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 16th of January 2026 - Higher results represent better value
AMD Ryzen 5 PRO 9645
NA
AMD Ryzen 5 7500X3D
78.2
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 16th of January 2026 - Higher results represent better performance
AMD Ryzen 5 PRO 9645
4,645
AMD Ryzen 5 7500X3D
3,496
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 5 PRO 9645 AMD Ryzen 5 7500X3D
Max TDP65W65W
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.