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AMD Ryzen 5 PRO 8640U vs Intel Ultra 7 155H

The AMD Ryzen 5 PRO 8640U is newer than Intel Core Ultra 7 155H, while the multi-threaded (CPU Mark) is simliar, AMD Ryzen 5 PRO 8640U is around 8% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 2049 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 8640U×Intel Core Ultra 7 155H+ ADD
Price Search Online Search Online
Socket TypeFP7 FP7r2FCBGA2049
CPU ClassLaptopLaptop
Clockspeed3.5 GHz3.8 GHz
Turbo SpeedUp to 4.9 GHzUp to 4.9 GHz
# of Physical Cores6 (Threads: 12)16 (Threads: 22)
CacheL1: 384KB, L2: 6.0MB, L3: 16MBL1: 1,632KB, L2: 18.0MB, L3: 24MB
TDP28W28W
Yearly Running Cost$5.11$5.11
Otherw/ Radeon 760M GraphicsIntel Arc graphics
First Seen on ChartQ1 2025Q3 2023
# of Samples22047
CPU Value0.049.7
Single Thread Rating(% diff. to max in group)3795(0.0%)3501(-7.7%)
CPU Mark(% diff. to max in group)23756(-5.0%)25004(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 22nd of February 2025 - Higher results represent better performance
AMD Ryzen 5 PRO 8640U
23,756
Intel Core Ultra 7 155H
25,004
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 22nd of February 2025 - Higher results represent better value
AMD Ryzen 5 PRO 8640U
NA
Intel Core Ultra 7 155H
49.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 22nd of February 2025 - Higher results represent better performance
AMD Ryzen 5 PRO 8640U
3,795
Intel Core Ultra 7 155H
3,501
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 5 PRO 8640U Intel Core Ultra 7 155H
Max TDP28W28W
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.