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AMD Ryzen 9 3900 vs Intel i9-10920X

The Intel Core i9-10920X @ 3.50GHz is newer than AMD Ryzen 9 3900, while AMD Ryzen 9 3900 is around 15% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, AMD Ryzen 9 3900 uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 802 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 9 3900×Intel Core i9-10920X @ 3.50GHz+ ADD
Price Search Online Search Online
Socket TypeAM4FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.5 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.8 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 24)
CacheL1: 768KB, L2: 6.0MB, L3: 64MBL1: 768KB, L2: 12.0MB, L3: 19MB
TDP65W165W
Yearly Running Cost$11.86$30.11
Other
First Seen on ChartQ4 2019Q4 2019
# of Samples511291
CPU Value60.90.0
Single Thread Rating(% diff. to max in group)2614(-3.8%)2717(0.0%)
CPU Mark(% diff. to max in group)30684(0.0%)26090(-15.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 7th of April 2025 - Higher results represent better performance
AMD Ryzen 9 3900
30,684
Intel Core i9-10920X @ 3.50GHz
26,090
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of April 2025 - Higher results represent better value
AMD Ryzen 9 3900
60.9
Intel Core i9-10920X @ 3.50GHz
NA
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of April 2025 - Higher results represent better performance
AMD Ryzen 9 3900
2,614
Intel Core i9-10920X @ 3.50GHz
2,717
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 9 3900 Intel Core i9-10920X @ 3.50GHz
Max TDP65W165W
Power consumption per day (kWh)0.130.33
Running cost per day$0.033$0.083
Power consumption per year (kWh)47.5120.5
Running cost per year$11.86$30.11
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.