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Intel i5-8257U vs i5-8300H

The Intel Core i5-8257U @ 1.40GHz is newer than Intel Core i5-8300H @ 2.30GHz and has comparable multi-threaded (CPU Mark) and single-thread rating. However, Intel Core i5-8257U @ 1.40GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 4386 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 i5-8257U @ 1.40GHz×Intel Core i5-8300H @ 2.30GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1528FCLGA1151-2
CPU ClassLaptopLaptop
Clockspeed1.4 GHz2.3 GHz
Turbo SpeedUp to 3.9 GHzUp to 4.0 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP15W45W
Yearly Running Cost$2.74$8.21
OtherIntel Iris Plus Graphics 645Intel UHD Graphics 630
First Seen on ChartQ4 2019Q2 2018
# of Samples5433843
CPU Value23.329.8
Single Thread Rating(% diff. to max in group)2261(-0.4%)2270(0.0%)
CPU Mark(% diff. to max in group)7465(0.0%)7440(-0.3%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 22nd of December 2024 - Higher results represent better performance
Intel Core i5-8257U @ 1.40GHz
7,465
Intel Core i5-8300H @ 2.30GHz
7,440
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 22nd of December 2024 - Higher results represent better value
Intel Core i5-8257U @ 1.40GHz
23.3
Intel Core i5-8300H @ 2.30GHz
29.8
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 22nd of December 2024 - Higher results represent better performance
Intel Core i5-8257U @ 1.40GHz
2,261
Intel Core i5-8300H @ 2.30GHz
2,270
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 i5-8257U @ 1.40GHz Intel Core i5-8300H @ 2.30GHz
Max TDP15W45W
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.