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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 7 3800X vs Ryzen 9 3900X

The AMD Ryzen 7 3800X is newer than AMD Ryzen 9 3900X, while AMD Ryzen 9 3900X is around 29% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 19536 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 3800X×AMD Ryzen 9 3900X+ ADD
Price $199.99 - BUY $199.99 - BUY
Socket TypeAM4AM4
CPU ClassDesktopDesktop
Clockspeed3.9 GHz3.8 GHz
Turbo SpeedUp to 4.5 GHzUp to 4.6 GHz
# of Physical Cores8 (Threads: 16)12 (Threads: 24)
CacheL1: 512KB, L2: 4.0MB, L3: 32MBL1: 768KB, L2: 6.0MB, L3: 64MB
TDP105W105W
Yearly Running Cost$19.16$19.16
Other
First Seen on ChartQ3 2019Q3 2019
# of Samples577713759
CPU Value115.7163.1
Single Thread Rating(% diff. to max in group)2717(0.0%)2706(-0.4%)
CPU Mark(% diff. to max in group)23140(-29.1%)32617(0.0%)

CPU Mark Rating
As of 26th of November 2024 - Higher results represent better performance
AMD Ryzen 7 3800X
23,140
AMD Ryzen 9 3900X
32,617
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of November 2024 - Higher results represent better value
AMD Ryzen 7 3800X
115.7
AMD Ryzen 9 3900X
163.1
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of November 2024 - Higher results represent better performance
AMD Ryzen 7 3800X
2,717
AMD Ryzen 9 3900X
2,706
PassMark Software © 2008-2024
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 3800X AMD Ryzen 9 3900X
Max TDP105W105W
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.