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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 also around 24% faster in multi-threaded (CPU Mark) testing, it is around 5% faster in single-thread testing. However, 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 22073 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 $85.62 - BUY Search Online
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 Samples209341139
CPU Value262.838.7
Single Thread Rating(% diff. to max in group)2658(0.0%)2524(-5.0%)
CPU Mark(% diff. to max in group)22499(0.0%)17151(-23.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of February 2025 - Higher results represent better performance
AMD Ryzen 7 3700X
22,499
Intel Core i7-7820X @ 3.60GHz
17,151
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
AMD Ryzen 7 3700X
262.8
Intel Core i7-7820X @ 3.60GHz
38.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
AMD Ryzen 7 3700X
2,658
Intel Core i7-7820X @ 3.60GHz
2,524
PassMark Software © 2008-2025
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.