Over 1,000,000 CPUs benchmarked
The AMD Ryzen Threadripper 3990X is newer than AMD Ryzen 9 3950X and is significantly faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, AMD Ryzen 9 3950X uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 3646 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
Compare the performance of up to 5 different CPUs
Compare List | |
×AMD Ryzen Threadripper 3990X | ×AMD Ryzen 9 3950X | + ADD | |
---|---|---|---|
Price |
$4899.99 - BUY
![]() |
$485.95 - BUY
![]() | |
Socket Type | sTRX4 | AM4 | |
CPU Class | Desktop | Desktop | |
Clockspeed | 2.9 GHz | 3.5 GHz | |
Turbo Speed | Up to 4.3 GHz | Up to 4.7 GHz | |
# of Physical Cores | 64 (Threads: 128) | 16 (Threads: 32) | |
Cache | L1: 4,096KB, L2: 32.0MB, L3: 256MB | L1: 1,024KB, L2: 8.0MB, L3: 64MB | |
TDP | 280W | 105W | |
Yearly Running Cost | $51.10 | $19.16 | |
Other | |||
First Seen on Chart | Q1 2020 | Q4 2019 | |
# of Samples | 237 | 3409 | |
CPU Value | 16.4 | 79.6 | |
Single Thread Rating(% diff. to max in group) | 2570(-5.0%) | 2705(0.0%) | |
CPU Mark(% diff. to max in group) | 80121(0.0%) | 38678(-51.7%) |
AMD Ryzen Threadripper 3990X | 80,121 | |
AMD Ryzen 9 3950X | 38,678 | |
PassMark Software © 2008-2025 |
AMD Ryzen Threadripper 3990X | 16.4 | |
AMD Ryzen 9 3950X | 79.6 | |
PassMark Software © 2008-2025 |
AMD Ryzen Threadripper 3990X | 2,570 | |
AMD Ryzen 9 3950X | 2,705 | |
PassMark Software © 2008-2025 |
AMD Ryzen Threadripper 3990X | AMD Ryzen 9 3950X | |
---|---|---|
Max TDP | 280W | 105W |
Power consumption per day (kWh) | NA | NA |
Running cost per day | NA | NA |
Power consumption per year (kWh) | NA | NA |
Running cost per year | NA | NA |