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Intel i7-6900K vs AMD Ryzen 3 3100

The AMD Ryzen 3 3100 is newer than Intel Core i7-6900K @ 3.20GHz and is around -21% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, AMD Ryzen 3 3100 uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 2446 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 i7-6900K @ 3.20GHz×AMD Ryzen 3 3100+ ADD
Price $97.98 - BUY Search Online
Socket TypeFCLGA2011-3AM4
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.6 GHz
Turbo SpeedUp to 4.0 GHzUp to 3.9 GHz
# of Physical Cores8 (Threads: 16)4 (Threads: 8)
CacheL1: 512KB, L2: 2.0MB, L3: 20MBL1: 256KB, L2: 2.0MB, L3: 16MB
TDP140W65W
Yearly Running Cost$25.55$11.86
Other
First Seen on ChartQ2 2016Q2 2020
# of Samples5801866
CPU Rank12121438
CPU Value149.5115.3
Single Thread Rating(% diff. to max in group)2345(-2.7%)2411(0.0%)
CPU Mark(% diff. to max in group)14651(0.0%)11529(-21.3%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of January 2026 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
14,651
AMD Ryzen 3 3100
11,529
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 25th of January 2026 - Higher results represent better value
Intel Core i7-6900K @ 3.20GHz
149.5
AMD Ryzen 3 3100
115.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 25th of January 2026 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
2,345
AMD Ryzen 3 3100
2,411
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 i7-6900K @ 3.20GHz AMD Ryzen 3 3100
Max TDP140W65W
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.