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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Ultra 7 255H vs AMD Ryzen Z1 Extreme

The Intel Core Ultra 7 255H is newer than AMD Ryzen Z1 Extreme and is around 16% faster in multi-threaded (CPU Mark) testing. The Intel Core Ultra 7 255H is around 23% faster in single-thread testing. Also, AMD Ryzen Z1 Extreme uses substantially less power. All the CPUs in this comparison belong in the Mobile/Embedded CPU Class. The values below were tabulated from a combined 748 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 Ultra 7 255H×AMD Ryzen Z1 Extreme+ ADD
Price Search Online Search Online
Socket TypeFCBGA2049NA2
CPU ClassMobile/EmbeddedMobile/Embedded
Clockspeed2.0 GHz3.3 GHz
Turbo SpeedUp to 5.1 GHzUp to 5.1 GHz
# of Physical Cores16 (Threads: 16)8 (Threads: 16)
CacheL1: 1,632KB, L2: 20.0MB, L3: 24MBL1: 512KB, L2: 8.0MB, L3: 16MB
TDP28W15W
Yearly Running Cost$5.11$2.74
OtherIntel Arc 140T GPU, Intel AI Boost
First Seen on ChartQ1 2025Q2 2023
# of Samples45703
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)4421(0.0%)3596(-18.7%)
CPU Mark(% diff. to max in group)29123(0.0%)25072(-13.9%)
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 23rd of April 2025 - Higher results represent better performance
Intel Core Ultra 7 255H
29,123
AMD Ryzen Z1 Extreme
25,072
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 23rd of April 2025 - Higher results represent better performance
Intel Core Ultra 7 255H
4,421
AMD Ryzen Z1 Extreme
3,596
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.
Intel Core Ultra 7 255H AMD Ryzen Z1 Extreme
Max TDP28W15W
Power consumption per day (kWh)0.060.03
Running cost per day$0.014$0.007
Power consumption per year (kWh)20.410.9
Running cost per year$5.11$2.74
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.