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Intel i5-1240P vs i7-1355U

The Intel Core i7-1355U is newer than Intel Core i5-1240P, while Intel Core i5-1240P is around 13% faster in multi-threaded (CPU Mark) testing, but Intel Core i7-1355U is around 7% faster in single-thread testing. However, Intel Core i7-1355U uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 2022 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 i5-1240P×Intel Core i7-1355U+ ADD
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Socket TypeFCBGA1744FCBGA1744
CPU ClassLaptopLaptop
Clockspeed1.7 GHz1.7 GHz
Turbo SpeedUp to 4.4 GHzUp to 5.0 GHz
# of Physical Cores12 (Threads: 16)10 (Threads: 12)
CacheL1: 1,088KB, L2: 9.0MB, L3: 12MBL1: 928KB, L2: 6.5MB, L3: 12MB
TDP28W15W
Yearly Running Cost$5.11$2.74
OtherIntel Iris Xe Graphics G7Intel Iris Xe Graphics eligible
First Seen on ChartQ1 2022Q2 2023
# of Samples10051017
CPU Value27.531.5
Single Thread Rating(% diff. to max in group)3262(-6.8%)3501(0.0%)
CPU Mark(% diff. to max in group)17008(0.0%)14790(-13.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 30th of December 2024 - Higher results represent better performance
Intel Core i5-1240P
17,008
Intel Core i7-1355U
14,790
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 30th of December 2024 - Higher results represent better value
Intel Core i5-1240P
27.5
Intel Core i7-1355U
31.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 30th of December 2024 - Higher results represent better performance
Intel Core i5-1240P
3,262
Intel Core i7-1355U
3,501
PassMark Software © 2008-2024
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 i5-1240P Intel Core i7-1355U
Max TDP28W15W
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.