iconcharts
0

CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-6287U vs i3-8121U

The Intel Core i3-8121U @ 2.20GHz is newer than Intel Core i5-6287U @ 3.10GHz also around 13% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Core i3-8121U @ 2.20GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 76 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 i5-6287U @ 3.10GHz×Intel Core i3-8121U @ 2.20GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1356NA2
CPU ClassLaptopLaptop
Clockspeed3.1 GHz2.2 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.2 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 4MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP28W15W
Yearly Running Cost$5.11$2.74
OtherIntel Iris Graphics 550
First Seen on ChartQ4 2017Q4 2018
# of Samples4234
CPU Value12.515.1
Single Thread Rating(% diff. to max in group)1974(0.0%)1944(-1.5%)
CPU Mark(% diff. to max in group)3801(-13.4%)4391(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 19th of April 2025 - Higher results represent better performance
Intel Core i5-6287U @ 3.10GHz
3,801
Intel Core i3-8121U @ 2.20GHz
4,391
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 19th of April 2025 - Higher results represent better value
Intel Core i5-6287U @ 3.10GHz
12.5
Intel Core i3-8121U @ 2.20GHz
15.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 19th of April 2025 - Higher results represent better performance
Intel Core i5-6287U @ 3.10GHz
1,974
Intel Core i3-8121U @ 2.20GHz
1,944
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 i5-6287U @ 3.10GHz Intel Core i3-8121U @ 2.20GHz
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.