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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-8350U @ 1.70GHz vs Intel Core i7-3940XM @ 3.00GHz

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

×Intel Core i5-8350U @ 1.70GHz×Intel Core i7-3940XM @ 3.00GHz+ ADD
Price$2971$344.041
Socket TypeFC-BGA1356rPGA988B
CPU ClassLaptopLaptop
Clockspeed1.7 GHz3.0 GHz
Turbo SpeedUp to 3.6 GHzUp to 3.9 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP15W55W
Yearly Running Cost$2.74$10.04
First Seen on ChartQ4 2017Q4 2012
# of Samples646142
Cross-Platform Rating1167612678
Single Thread Rating20501930
CPU Mark63045697
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 17th of May 2021 - Higher results represent better performance
Intel Core i5-8350U @ 1.70GHz
6,304
Intel Core i7-3940XM @ 3.00GHz
5,697
CPU Value (CPU Mark / $Price)
As of 17th of May 2021 - Higher results represent better value
Intel Core i5-8350U @ 1.70GHz
21.23
Intel Core i7-3940XM @ 3.00GHz
16.56
CPU Single Thread Rating
As of 17th of May 2021 - Higher results represent better performance
Intel Core i5-8350U @ 1.70GHz
2,050
Intel Core i7-3940XM @ 3.00GHz
1,930

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 i5-8350U @ 1.70GHzIntel Core i7-3940XM @ 3.00GHz
Max TDP15W55W
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.