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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i7-5557U vs i3-7100U

The Intel Core i3-7100U @ 2.40GHz is newer than Intel Core i7-5557U @ 3.10GHz, while Intel Core i7-5557U @ 3.10GHz is around 12% faster in multi-threaded (CPU Mark) testing, it is around 28% faster in single-thread testing. However, Intel Core i3-7100U @ 2.40GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 2504 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 i7-5557U @ 3.10GHz×Intel Core i3-7100U @ 2.40GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1168FCBGA1356
CPU ClassLaptopLaptop
Clockspeed3.1 GHz2.4 GHz
Turbo SpeedUp to 3.4 GHzNot Supported
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 4MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP28W15W
Yearly Running Cost$5.11$2.74
OtherIntel HD Graphics 620
First Seen on ChartQ1 2015Q4 2016
# of Samples4702034
CPU Value5.15.9
Single Thread Rating(% diff. to max in group)1925(0.0%)1385(-28.1%)
CPU Mark(% diff. to max in group)3115(0.0%)2726(-12.5%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 3rd of January 2025 - Higher results represent better performance
Intel Core i7-5557U @ 3.10GHz
3,115
Intel Core i3-7100U @ 2.40GHz
2,726
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 3rd of January 2025 - Higher results represent better value
Intel Core i7-5557U @ 3.10GHz
5.1
Intel Core i3-7100U @ 2.40GHz
5.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 3rd of January 2025 - Higher results represent better performance
Intel Core i7-5557U @ 3.10GHz
1,925
Intel Core i3-7100U @ 2.40GHz
1,385
PassMark Software © 2008-2025
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 i7-5557U @ 3.10GHz Intel Core i3-7100U @ 2.40GHz
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.