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Intel i9-9900 vs AMD Ryzen 7 3800X

The AMD Ryzen 7 3800X is newer than Intel Core i9-9900 @ 3.10GHz and is around 42% faster in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, AMD Ryzen 7 3800X uses around 47% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 8357 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 i9-9900 @ 3.10GHz×AMD Ryzen 7 3800X+ ADD
Price Search Online $662.56 - BUY
Socket TypeFCLGA1151-2AM4
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.9 GHz
Turbo SpeedUp to 5.0 GHzUp to 4.5 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 2.0MB, L3: 16MBL1: 512KB, L2: 4.0MB, L3: 32MB
TDP65W105W
Yearly Running Cost$11.86$19.16
OtherIntel UHD Graphics 630
First Seen on ChartQ3 2019Q3 2019
# of Samples9807377
CPU Rank1155766
CPU Value32.534.7
Single Thread Rating(% diff. to max in group)2800(0.0%)2711(-3.2%)
CPU Mark(% diff. to max in group)16238(-29.4%)22987(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 7th of March 2026 - Higher results represent better performance
Intel Core i9-9900 @ 3.10GHz
16,238
AMD Ryzen 7 3800X
22,987
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 7th of March 2026 - Higher results represent better value
Intel Core i9-9900 @ 3.10GHz
32.5
AMD Ryzen 7 3800X
34.7
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 7th of March 2026 - Higher results represent better performance
Intel Core i9-9900 @ 3.10GHz
2,800
AMD Ryzen 7 3800X
2,711
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 i9-9900 @ 3.10GHz AMD Ryzen 7 3800X
Max TDP65W105W
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.