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Intel i5-1235U vs i7-1255U

The Intel Core i7-1255U is newer than Intel Core i5-1235U and has comparable multi-threaded (CPU Mark) and single-thread rating. Both CPUs operates at simliar power levels (TDP). The CPUs selected in this comparison belong in different CPU Classes: Laptop, Mobile/Embedded. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 3122 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 i5-1235U×Intel Core i7-1255U+ ADD
Price Search Online Search Online
Socket TypeFCBGA1744FCBGA1744
CPU ClassLaptop, Mobile/EmbeddedLaptop
Clockspeed1.3 GHz1.7 GHz
Turbo SpeedUp to 4.4 GHzUp to 4.7 GHz
# of Physical Cores10 (Threads: 12)10 (Threads: 12)
CacheL1: 928KB, L2: 6.5MB, L3: 12MBL1: 928KB, L2: 6.5MB, L3: 12MB
TDP15W15W
Yearly Running Cost$2.74$2.74
OtherIntel Iris Xe GraphicsIntel Iris Xe Graphics
First Seen on ChartQ1 2022Q1 2022
# of Samples19551167
CPU Value43.432.1
Single Thread Rating(% diff. to max in group)3223(-1.9%)3284(0.0%)
CPU Mark(% diff. to max in group)13416(-2.0%)13690(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of July 2024 - Higher results represent better performance
Intel Core i5-1235U
13,416
Intel Core i7-1255U
13,690
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 27th of July 2024 - Higher results represent better value
Intel Core i5-1235U
43.4
Intel Core i7-1255U
32.1
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 27th of July 2024 - Higher results represent better performance
Intel Core i5-1235U
3,223
Intel Core i7-1255U
3,284
PassMark Software © 2008-2024

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 i5-1235UIntel Core i7-1255U
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.