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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-8400H vs i5-8350U

The Intel Core i5-8400H @ 2.50GHz is newer than Intel Core i5-8350U @ 1.70GHz also around 19% faster in multi-threaded (CPU Mark) testing, it is around 14% faster in single-thread testing. However, Intel Core i5-8350U @ 1.70GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 3173 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 i5-8400H @ 2.50GHz×Intel Core i5-8350U @ 1.70GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1440FC-BGA1356
CPU ClassLaptopLaptop
Clockspeed2.5 GHz1.7 GHz
Turbo SpeedUp to 4.2 GHzUp to 3.6 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 6MB
TDP45W15W
Yearly Running Cost$8.21$2.74
OtherIntel UHD Graphics 630Intel UHD Graphics 620
First Seen on ChartQ3 2018Q4 2017
# of Samples1752998
CPU Value30.620.9
Single Thread Rating(% diff. to max in group)2352(0.0%)2020(-14.1%)
CPU Mark(% diff. to max in group)7654(0.0%)6207(-18.9%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of December 2024 - Higher results represent better performance
Intel Core i5-8400H @ 2.50GHz
7,654
Intel Core i5-8350U @ 1.70GHz
6,207
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 27th of December 2024 - Higher results represent better value
Intel Core i5-8400H @ 2.50GHz
30.6
Intel Core i5-8350U @ 1.70GHz
20.9
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 27th of December 2024 - Higher results represent better performance
Intel Core i5-8400H @ 2.50GHz
2,352
Intel Core i5-8350U @ 1.70GHz
2,020
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 i5-8400H @ 2.50GHz Intel Core i5-8350U @ 1.70GHz
Max TDP45W15W
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.