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Intel i7-6900K vs AMD Ryzen 7 2700X

The AMD Ryzen 7 2700X is newer than Intel Core i7-6900K @ 3.20GHz and is around 19% faster in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Core i7-6900K @ 3.20GHz uses around 29% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 14137 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 7 2700X+ ADD
Price $110.74 - BUY Search Online
Socket TypeFCLGA2011-3AM4
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.7 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.3 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 2.0MB, L3: 20MBL1: 768KB, L2: 4.0MB, L3: 16MB
TDP140W105W
Yearly Running Cost$25.55$19.16
Other
First Seen on ChartQ2 2016Q2 2018
# of Samples58313554
CPU Rank12501099
CPU Value132.365.8
Single Thread Rating(% diff. to max in group)2344(-2.9%)2415(0.0%)
CPU Mark(% diff. to max in group)14649(-16.0%)17441(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 12th of March 2026 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
14,649
AMD Ryzen 7 2700X
17,441
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 12th of March 2026 - Higher results represent better value
Intel Core i7-6900K @ 3.20GHz
132.3
AMD Ryzen 7 2700X
65.8
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 12th of March 2026 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
2,344
AMD Ryzen 7 2700X
2,415
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 7 2700X
Max TDP140W105W
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.