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Intel i3-7020U vs i5-3337U

The Intel Core i3-7020U @ 2.30GHz is newer than Intel Core i5-3337U @ 1.80GHz and is around 23% faster in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Core i5-3337U @ 1.80GHz uses around 13% more power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 4732 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 i3-7020U @ 2.30GHz×Intel Core i5-3337U @ 1.80GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1356BGA1023
CPU ClassLaptopLaptop
Clockspeed2.3 GHz1.8 GHz
Turbo SpeedNot SupportedUp to 2.7 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 3MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP15W17W
Yearly Running Cost$2.74$3.10
OtherIntel UHD Graphics 620
First Seen on ChartQ2 2018Q1 2013
# of Samples14523280
CPU Value9.19.3
Single Thread Rating(% diff. to max in group)1301(0.0%)1278(-1.7%)
CPU Mark(% diff. to max in group)2567(0.0%)2092(-18.5%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 9th of November 2025 - Higher results represent better performance
Intel Core i3-7020U @ 2.30GHz
2,567
Intel Core i5-3337U @ 1.80GHz
2,092
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 9th of November 2025 - Higher results represent better value
Intel Core i3-7020U @ 2.30GHz
9.1
Intel Core i5-3337U @ 1.80GHz
9.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 9th of November 2025 - Higher results represent better performance
Intel Core i3-7020U @ 2.30GHz
1,301
Intel Core i5-3337U @ 1.80GHz
1,278
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 i3-7020U @ 2.30GHz Intel Core i5-3337U @ 1.80GHz
Max TDP15W17W
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.