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Intel Ultra 7 266V vs i7-1355U

The Intel Core Ultra 7 266V is newer than Intel Core i7-1355U also around 33% faster in multi-threaded (CPU Mark) testing, it is around 23% faster in single-thread testing. However, 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 1090 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 266V×Intel Core i7-1355U+ ADD
Price Search Online Search Online
Socket TypeFCBGA2833FCBGA1744
CPU ClassLaptopLaptop
Clockspeed2.2 GHz1.7 GHz
Turbo SpeedUp to 5.0 GHzUp to 5.0 GHz
# of Physical Cores8 (Threads: 8)10 (Threads: 12)
CacheL1: 832KB, L2: 14.0MB, L3: 12MBL1: 928KB, L2: 6.5MB, L3: 12MB
TDP17W15W
Yearly Running Cost$3.10$2.74
OtherIntel Arc Graphics 140VIntel Iris Xe Graphics eligible
First Seen on ChartQ1 2025Q2 2023
# of Samples11089
CPU Value42.631.4
Single Thread Rating(% diff. to max in group)4519(0.0%)3494(-22.7%)
CPU Mark(% diff. to max in group)22140(0.0%)14740(-33.4%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of January 2025 - Higher results represent better performance
Intel Core Ultra 7 266V
22,140
Intel Core i7-1355U
14,740
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 18th of January 2025 - Higher results represent better value
Intel Core Ultra 7 266V
42.6
Intel Core i7-1355U
31.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 18th of January 2025 - Higher results represent better performance
Intel Core Ultra 7 266V
4,519
Intel Core i7-1355U
3,494
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 266V Intel Core i7-1355U
Max TDP17W15W
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.