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Intel i3-8100B vs AMD Ryzen 7 3700U

The AMD Ryzen 7 3700U is newer than Intel Core i3-8100B @ 3.60GHz and is around 19% faster in multi-threaded (CPU Mark) testing. The AMD Ryzen 7 3700U is around -16% slower in single-thread testing. Also, AMD Ryzen 7 3700U uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 1769 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 i3-8100B @ 3.60GHz×AMD Ryzen 7 3700U+ ADD
Price Search Online Search Online
Socket TypeFCBGA1440FP5
CPU ClassLaptopLaptop
Clockspeed3.6 GHz2.3 GHz
Turbo SpeedNA2Up to 4.0 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 384KB, L2: 2.0MB, L3: 4MB
TDP65W15W
Yearly Running Cost$11.86$2.74
OtherIntel UHD Graphics 630with Radeon Vega Mobile Gfx
First Seen on ChartQ1 2019Q2 2019
# of Samples1481621
CPU Rank21791953
CPU Value44.30.0
Single Thread Rating(% diff. to max in group)2310(0.0%)1938(-16.1%)
CPU Mark(% diff. to max in group)5891(-16.1%)7018(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 11th of March 2026 - Higher results represent better performance
Intel Core i3-8100B @ 3.60GHz
5,891
AMD Ryzen 7 3700U
7,018
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 11th of March 2026 - Higher results represent better value
Intel Core i3-8100B @ 3.60GHz
44.3
AMD Ryzen 7 3700U
NA
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 11th of March 2026 - Higher results represent better performance
Intel Core i3-8100B @ 3.60GHz
2,310
AMD Ryzen 7 3700U
1,938
PassMark Software © 2008-2026
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 i3-8100B @ 3.60GHz AMD Ryzen 7 3700U
Max TDP65W15W
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.