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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 7 3700X vs Ryzen 9 3900 vs Ryzen 9 3900X

All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 34195 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×AMD Ryzen 9 3900×AMD Ryzen 9 3900X+ ADD
Price $106.99 - BUY Search Online $199.99 - BUY
Socket TypeAM4AM4AM4
CPU ClassDesktopDesktopDesktop
Clockspeed3.6 GHz3.1 GHz3.8 GHz
Turbo SpeedUp to 4.4 GHzUp to 4.3 GHzUp to 4.6 GHz
# of Physical Cores8 (Threads: 16)12 (Threads: 24)12 (Threads: 24)
CacheL1: 512KB, L2: 4.0MB, L3: 32MBL1: 768KB, L2: 6.0MB, L3: 64MBL1: 768KB, L2: 6.0MB, L3: 64MB
TDP65W65W105W
Yearly Running Cost$11.86$11.86$19.16
Other
First Seen on ChartQ3 2019Q4 2019Q3 2019
# of Samples1983347413888
CPU Value210.661.0163.1
Single Thread Rating(% diff. to max in group)2659(-1.7%)2617(-3.3%)2706(0.0%)
CPU Mark(% diff. to max in group)22528(-30.9%)30722(-5.8%)32615(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of December 2024 - Higher results represent better performance
AMD Ryzen 7 3700X
22,528
AMD Ryzen 9 3900
30,722
AMD Ryzen 9 3900X
32,615
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 21st of December 2024 - Higher results represent better value
AMD Ryzen 7 3700X
210.6
AMD Ryzen 9 3900
61.0
AMD Ryzen 9 3900X
163.1
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of December 2024 - Higher results represent better performance
AMD Ryzen 7 3700X
2,659
AMD Ryzen 9 3900
2,617
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 3700X AMD Ryzen 9 3900 AMD Ryzen 9 3900X
Max TDP65W65W105W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.