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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-9900X vs AMD Ryzen 7 3800X

The AMD Ryzen 7 3800X is newer than Intel Core i9-9900X @ 3.50GHz and is around 6% faster in multi-threaded (CPU Mark) testing. The AMD Ryzen 7 3800X is around 7% faster in single-thread testing. Also, Intel Core i9-9900X @ 3.50GHz uses around 44% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 6741 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 i9-9900X @ 3.50GHz×AMD Ryzen 7 3800X+ ADD
Price $340 - BUY $215.99 - BUY
Socket TypeFCLGA2066AM4
CPU ClassDesktopDesktop
Clockspeed3.5 GHz3.9 GHz
Turbo SpeedUp to 4.5 GHzUp to 4.5 GHz
# of Physical Cores10 (Threads: 20)8 (Threads: 16)
CacheL1: 640KB, L2: 10.0MB, L3: 19MBL1: 512KB, L2: 4.0MB, L3: 32MB
TDP165W105W
Yearly Running Cost$30.11$19.16
Other
First Seen on ChartQ4 2018Q3 2019
# of Samples2816460
CPU Value63.8106.8
Single Thread Rating(% diff. to max in group)2548(-6.1%)2714(0.0%)
CPU Mark(% diff. to max in group)21679(-6.0%)23065(0.0%)

CPU Mark Rating
As of 21st of May 2025 - Higher results represent better performance
Intel Core i9-9900X @ 3.50GHz
21,679
AMD Ryzen 7 3800X
23,065
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 21st of May 2025 - Higher results represent better value
Intel Core i9-9900X @ 3.50GHz
63.8
AMD Ryzen 7 3800X
106.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 21st of May 2025 - Higher results represent better performance
Intel Core i9-9900X @ 3.50GHz
2,548
AMD Ryzen 7 3800X
2,714
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.
Intel Core i9-9900X @ 3.50GHz AMD Ryzen 7 3800X
Max TDP165W105W
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.