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AMD Ryzen 7 7840S vs Intel Ultra 7 155H

The Intel Core Ultra 7 155H is newer than AMD Ryzen 7 7840S and has comparable multi-threaded (CPU Mark) and single-thread rating. However, Intel Core Ultra 7 155H uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 1039 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 7840S×Intel Core Ultra 7 155H+ ADD
Price Search Online Search Online
Socket TypeFP7 FP7r2 FP8FCBGA2049
CPU ClassLaptopLaptop
Clockspeed3.8 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
TDP54W28W
Yearly Running Cost$9.86$5.11
Otherwith Radeon 780M GraphicsIntel Arc graphics
First Seen on ChartQ3 2023Q3 2023
# of Samples211018
CPU Value0.049.8
Single Thread Rating(% diff. to max in group)3685(0.0%)3520(-4.5%)
CPU Mark(% diff. to max in group)24309(-3.0%)25067(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of November 2024 - Higher results represent better performance
AMD Ryzen 7 7840S
24,309
Intel Core Ultra 7 155H
25,067
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 21st of November 2024 - Higher results represent better value
AMD Ryzen 7 7840S
NA
Intel Core Ultra 7 155H
49.8
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of November 2024 - Higher results represent better performance
AMD Ryzen 7 7840S
3,685
Intel Core Ultra 7 155H
3,520
PassMark Software © 2008-2024
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 7840S Intel Core Ultra 7 155H
Max TDP54W28W
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.