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CPU Benchmarks

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Intel i7-6900K vs AMD Ryzen 5 PRO 4655G

The AMD Ryzen 5 PRO 4655G is newer than Intel Core i7-6900K @ 3.20GHz and is around 11% faster in multi-threaded (CPU Mark) testing. The AMD Ryzen 5 PRO 4655G is around 15% faster in single-thread testing. Also, AMD Ryzen 5 PRO 4655G uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 627 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 5 PRO 4655G+ ADD
Price $121.36 - BUY $165.57 - BUY
Socket TypeFCLGA2011-3AM4
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.7 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.2 GHz
# of Physical Cores8 (Threads: 16)6 (Threads: 12)
CacheL1: 512KB, L2: 2.0MB, L3: 20MBL1: 384KB, L2: 3.0MB, L3: 8MB
TDP140W65W
Yearly Running Cost$25.55$11.86
Otherwith Radeon Graphics
First Seen on ChartQ2 2016Q2 2023
# of Samples57849
CPU Rank12061117
CPU Value120.898.2
Single Thread Rating(% diff. to max in group)2346(-12.8%)2692(0.0%)
CPU Mark(% diff. to max in group)14656(-9.9%)16261(0.0%)

CPU Mark Rating
As of 17th of January 2026 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
14,656
AMD Ryzen 5 PRO 4655G
16,261
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 17th of January 2026 - Higher results represent better value
Intel Core i7-6900K @ 3.20GHz
120.8
AMD Ryzen 5 PRO 4655G
98.2
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 17th of January 2026 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
2,346
AMD Ryzen 5 PRO 4655G
2,692
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 5 PRO 4655G
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.