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Intel Ultra 7 155U vs i7-1355U

The Intel Core Ultra 7 155U is newer than Intel Core i7-1355U also around 12% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable 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 2159 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 155U×Intel Core i7-1355U+ ADD
Price Search Online Search Online
Socket TypeFCBGA2049FCBGA1744
CPU ClassLaptopLaptop
Clockspeed1.7 GHz1.7 GHz
Turbo SpeedUp to 4.8 GHzUp to 5.0 GHz
# of Physical Cores12 (Threads: 14)10 (Threads: 12)
CacheL1: 1,184KB, L2: 10.0MB, L3: 12MBL1: 928KB, L2: 6.5MB, L3: 12MB
TDP15W15W
Yearly Running Cost$2.74$2.74
OtherIntel Graphics, Intel AI BoostIntel Iris Xe Graphics eligible
First Seen on ChartQ1 2024Q2 2023
# of Samples5881571
CPU Value33.630.9
Single Thread Rating(% diff. to max in group)3412(-1.6%)3468(0.0%)
CPU Mark(% diff. to max in group)16481(0.0%)14489(-12.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of April 2025 - Higher results represent better performance
Intel Core Ultra 7 155U
16,481
Intel Core i7-1355U
14,489
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 18th of April 2025 - Higher results represent better value
Intel Core Ultra 7 155U
33.6
Intel Core i7-1355U
30.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 18th of April 2025 - Higher results represent better performance
Intel Core Ultra 7 155U
3,412
Intel Core i7-1355U
3,468
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 155U Intel Core i7-1355U
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.