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AMD Ryzen 7 3700X vs Intel i7-7820X

The AMD Ryzen 7 3700X is newer than Intel Core i7-7820X @ 3.60GHz and is around 30% faster in multi-threaded (CPU Mark) testing. The AMD Ryzen 7 3700X is around 5% faster in single-thread testing. Also, AMD Ryzen 7 3700X uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 27009 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.

×AMD Ryzen 7 3700X×Intel Core i7-7820X @ 3.60GHz+ ADD
Price $94.78 - BUY $198.09 - BUY
Socket TypeAM4FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.6 GHz3.6 GHz
Turbo SpeedUp to 4.4 GHzUp to 4.3 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 4.0MB, L3: 32MBL1: 512KB, L2: 8.0MB, L3: 11MB
TDP65W140W
Yearly Running Cost$11.86$25.55
Other
First Seen on ChartQ3 2019Q2 2017
# of Samples256581351
CPU Rank8031112
CPU Value236.586.8
Single Thread Rating(% diff. to max in group)2655(0.0%)2522(-5.0%)
CPU Mark(% diff. to max in group)22415(0.0%)17189(-23.3%)

CPU Mark Rating
As of 13th of March 2026 - Higher results represent better performance
AMD Ryzen 7 3700X
22,415
Intel Core i7-7820X @ 3.60GHz
17,189
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 13th of March 2026 - Higher results represent better value
AMD Ryzen 7 3700X
236.5
Intel Core i7-7820X @ 3.60GHz
86.8
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 13th of March 2026 - Higher results represent better performance
AMD Ryzen 7 3700X
2,655
Intel Core i7-7820X @ 3.60GHz
2,522
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.
AMD Ryzen 7 3700X Intel Core i7-7820X @ 3.60GHz
Max TDP65W140W
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.