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Intel i7-6800K vs AMD Ryzen 5 2400G

The AMD Ryzen 5 2400G is newer than Intel Core i7-6800K @ 3.40GHz and is around -18% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, AMD Ryzen 5 2400G uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 5980 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 i7-6800K @ 3.40GHz×AMD Ryzen 5 2400G+ ADD
Price $62.34 - BUY $55.88 - BUY
Socket TypeLGA2011-v3AM4
CPU ClassDesktopDesktop
Clockspeed3.4 GHz3.6 GHz
Turbo SpeedUp to 3.8 GHzUp to 3.9 GHz
# of Physical Cores6 (Threads: 12)4 (Threads: 8)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 384KB, L2: 2.0MB, L3: 4MB
TDP140W65W
Yearly Running Cost$25.55$11.86
Otherwith Radeon Vega Graphics
First Seen on ChartQ2 2016Q1 2018
# of Samples19434037
CPU Rank15401715
CPU Value171.9156.3
Single Thread Rating(% diff. to max in group)2253(0.0%)2143(-4.9%)
CPU Mark(% diff. to max in group)10713(0.0%)8731(-18.5%)

CPU Mark Rating
As of 17th of March 2026 - Higher results represent better performance
Intel Core i7-6800K @ 3.40GHz
10,713
AMD Ryzen 5 2400G
8,731
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 17th of March 2026 - Higher results represent better value
Intel Core i7-6800K @ 3.40GHz
171.9
AMD Ryzen 5 2400G
156.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 17th of March 2026 - Higher results represent better performance
Intel Core i7-6800K @ 3.40GHz
2,253
AMD Ryzen 5 2400G
2,143
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 i7-6800K @ 3.40GHz AMD Ryzen 5 2400G
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.