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Intel Ultra 5 135U vs Ultra 7 155U

The Intel Core Ultra 7 155U is newer than Intel Core Ultra 5 135U however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. 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 2279 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 5 135U×Intel Core Ultra 7 155U+ ADD
Price Search Online Search Online
Socket TypeFCBGA2049FCBGA2049
CPU ClassLaptopLaptop
Clockspeed1.6 GHz1.7 GHz
Turbo SpeedUp to 4.4 GHzUp to 4.8 GHz
# of Physical Cores12 (Threads: 14)12 (Threads: 14)
CacheL1: 1,184KB, L2: 10.0MB, L3: 12MBL1: 1,184KB, L2: 10.0MB, L3: 12MB
TDP15W15W
Yearly Running Cost$2.74$2.74
OtherIntel GraphicsIntel Graphics, Intel AI Boost
First Seen on ChartQ1 2024Q1 2024
# of Samples8461433
CPU Rank10921127
CPU Value0.033.0
Single Thread Rating(% diff. to max in group)3281(-1.2%)3320(0.0%)
CPU Mark(% diff. to max in group)16811(0.0%)16165(-3.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 23rd of January 2026 - Higher results represent better performance
Intel Core Ultra 5 135U
16,811
Intel Core Ultra 7 155U
16,165
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 23rd of January 2026 - Higher results represent better value
Intel Core Ultra 5 135U
NA
Intel Core Ultra 7 155U
33.0
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 23rd of January 2026 - Higher results represent better performance
Intel Core Ultra 5 135U
3,281
Intel Core Ultra 7 155U
3,320
PassMark Software © 2008-2026
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 5 135U Intel Core Ultra 7 155U
Max TDP15W15W
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.