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Over 1,000,000 CPUs benchmarked

Intel i7-1255U vs AMD Ryzen 7 5800H

The Intel Core i7-1255U is newer than AMD Ryzen 7 5800H, while AMD Ryzen 7 5800H is around 35% faster in multi-threaded (CPU Mark) testing, but Intel Core i7-1255U is around 7% faster in single-thread testing. However, Intel Core i7-1255U uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 7251 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.
×Intel Core i7-1255U×AMD Ryzen 7 5800H+ ADD
Price Search Online Search Online
Socket TypeFCBGA1744FP6
CPU ClassLaptopLaptop
Clockspeed1.7 GHz3.2 GHz
Turbo SpeedUp to 4.7 GHzUp to 4.4 GHz
# of Physical Cores10 (Threads: 12)8 (Threads: 16)
CacheL1: 928KB, L2: 6.5MB, L3: 12MBL1: 512KB, L2: 4.0MB, L3: 16MB
TDP15W45W
Yearly Running Cost$2.74$8.21
OtherIntel Iris Xe Graphicswith Radeon Graphics
First Seen on ChartQ1 2022Q1 2021
# of Samples13805871
CPU Value31.90.0
Single Thread Rating(% diff. to max in group)3256(0.0%)3043(-6.5%)
CPU Mark(% diff. to max in group)13569(-35.4%)21004(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 11th of December 2024 - Higher results represent better performance
Intel Core i7-1255U
13,569
AMD Ryzen 7 5800H
21,004
CPU Value (CPU Mark / $Price)
As of 11th of December 2024 - Higher results represent better value
Intel Core i7-1255U
31.9
AMD Ryzen 7 5800H
NA
CPU Single Thread Rating
As of 11th of December 2024 - Higher results represent better performance
Intel Core i7-1255U
3,256
AMD Ryzen 7 5800H
3,043
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.
Intel Core i7-1255U AMD Ryzen 7 5800H
Max TDP15W45W
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.