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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-8279U @ 2.40GHz vs Intel Core i5-8257U @ 1.40GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.


×Intel Core i5-8279U @ 2.40GHz×Intel Core i5-8257U @ 1.40GHz+ ADD
Price$3201$3201
Socket TypeFCBGA1528FCBGA1528
CPU ClassLaptopLaptop
Clockspeed2.4 GHz1.4 GHz
Turbo SpeedUp to 4.1 GHzUp to 3.9 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP28W15W
Yearly Running Cost$5.11$2.74
First Seen on ChartQ3 2019Q4 2019
# of Samples68167
Single Thread Rating(% diff. to max in group)2430(0.0%)2319(-4.6%)
CPU Mark(% diff. to max in group)7926(0.0%)7677(-3.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 30th of June 2022 - Higher results represent better performance
Intel Core i5-8279U @ 2.40GHz
 7,926
Intel Core i5-8257U @ 1.40GHz
 7,677
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 30th of June 2022 - Higher results represent better value
Intel Core i5-8279U @ 2.40GHz
 24.77
Intel Core i5-8257U @ 1.40GHz
 23.99
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 30th of June 2022 - Higher results represent better performance
Intel Core i5-8279U @ 2.40GHz
 2,430
Intel Core i5-8257U @ 1.40GHz
 2,319
PassMark Software © 2008-2022

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 i5-8279U @ 2.40GHzIntel Core i5-8257U @ 1.40GHz
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.