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AMD Ryzen 5 PRO 8645HS vs Intel Ultra 7 155H

The AMD Ryzen 5 PRO 8645HS is newer than Intel Core Ultra 7 155H and is around -7% slower in multi-threaded (CPU Mark) testing. The AMD Ryzen 5 PRO 8645HS is around 10% faster in single-thread testing. Also, AMD Ryzen 5 PRO 8645HS uses around 47% more power. The CPUs selected in this comparison belong in different CPU Classes: Desktop, Laptop. Consider, selecting CPUs from simliar CPU Class for more apt comparison. The values below were tabulated from a combined 3454 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 8645HS×Intel Core Ultra 7 155H+ ADD
Price Search Online Search Online
Socket TypeFP7, FP7r2FCBGA2049
CPU ClassDesktop, LaptopLaptop
Clockspeed4.3 GHz3.8 GHz
Turbo SpeedUp to 5.0 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
TDP45W28W
Yearly Running Cost$8.21$5.11
Otherw/ Radeon 760M GraphicsIntel Arc graphics
First Seen on ChartQ2 2025Q3 2023
# of Samples23452
CPU Value0.049.6
Single Thread Rating(% diff. to max in group)3830(0.0%)3480(-9.1%)
CPU Mark(% diff. to max in group)23227(-6.9%)24953(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 16th of June 2025 - Higher results represent better performance
AMD Ryzen 5 PRO 8645HS
23,227
Intel Core Ultra 7 155H
24,953
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 16th of June 2025 - Higher results represent better value
AMD Ryzen 5 PRO 8645HS
NA
Intel Core Ultra 7 155H
49.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 16th of June 2025 - Higher results represent better performance
AMD Ryzen 5 PRO 8645HS
3,830
Intel Core Ultra 7 155H
3,480
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 8645HS Intel Core Ultra 7 155H
Max TDP45W28W
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.