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AMD Ryzen 7 PRO 7840U vs Intel Ultra 7 155H

The Intel Core Ultra 7 155H is newer than AMD Ryzen 7 PRO 7840U, while the multi-threaded (CPU Mark) is simliar, AMD Ryzen 7 PRO 7840U is around 5% 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 3121 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 7 PRO 7840U×Intel Core Ultra 7 155H+ ADD
Price Search Online Search Online
Socket TypeNA2FCBGA2049
CPU ClassLaptopLaptop
Clockspeed3.3 GHz3.8 GHz
Turbo SpeedUp to 5.1 GHzUp to 4.9 GHz
# of Physical Cores8 (Threads: 16)16 (Threads: 22)
CacheL1: 512KB, L2: 8.0MB, L3: 16MBL1: 1,632KB, L2: 18.0MB, L3: 24MB
TDP30W28W
Yearly Running Cost$5.48$5.11
Otherw/ Radeon 780M GraphicsIntel Arc graphics
First Seen on ChartQ2 2023Q3 2023
# of Samples4802641
CPU Value0.049.6
Single Thread Rating(% diff. to max in group)3692(0.0%)3491(-5.5%)
CPU Mark(% diff. to max in group)24593(-1.4%)24933(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 8th of April 2025 - Higher results represent better performance
AMD Ryzen 7 PRO 7840U
24,593
Intel Core Ultra 7 155H
24,933
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 8th of April 2025 - Higher results represent better value
AMD Ryzen 7 PRO 7840U
NA
Intel Core Ultra 7 155H
49.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 8th of April 2025 - Higher results represent better performance
AMD Ryzen 7 PRO 7840U
3,692
Intel Core Ultra 7 155H
3,491
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 7 PRO 7840U Intel Core Ultra 7 155H
Max TDP30W28W
Power consumption per day (kWh)0.060.06
Running cost per day$0.015$0.014
Power consumption per year (kWh)21.920.4
Running cost per year$5.47$5.11
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.