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Intel Ultra 7 155U vs Ultra 7 266V

The Intel Core Ultra 7 266V is newer than Intel Core Ultra 7 155U and is around 22% faster in multi-threaded (CPU Mark) testing. The Intel Core Ultra 7 266V is around 17% faster in single-thread testing. Also, Intel Core Ultra 7 266V uses around 13% more power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 634 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 Ultra 7 266V+ ADD
Price Search Online Search Online
Socket TypeFCBGA2049FCBGA2833
CPU ClassLaptopLaptop
Clockspeed1.7 GHz2.2 GHz
Turbo SpeedUp to 4.8 GHzUp to 5.0 GHz
# of Physical Cores12 (Threads: 14)8 (Threads: 8)
CacheL1: 1,184KB, L2: 10.0MB, L3: 12MBL1: 832KB, L2: 14.0MB, L3: 12MB
TDP15W17W
Yearly Running Cost$2.74$3.10
OtherIntel Graphics, Intel AI BoostIntel Arc Graphics 140V
First Seen on ChartQ1 2024Q1 2025
# of Samples60826
CPU Value33.738.8
Single Thread Rating(% diff. to max in group)3417(-14.8%)4010(0.0%)
CPU Mark(% diff. to max in group)16532(-18.1%)20189(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of April 2025 - Higher results represent better performance
Intel Core Ultra 7 155U
16,532
Intel Core Ultra 7 266V
20,189
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 27th of April 2025 - Higher results represent better value
Intel Core Ultra 7 155U
33.7
Intel Core Ultra 7 266V
38.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 27th of April 2025 - Higher results represent better performance
Intel Core Ultra 7 155U
3,417
Intel Core Ultra 7 266V
4,010
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 Ultra 7 266V
Max TDP15W17W
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.