Performance per price, higher is better.
AMD Ryzen 9 7900X vs Ryzen Threadripper 3990X
Price now
6256$
Games supported
100%
- Interface
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
- Interface
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
Price now
585$
Games supported
100%
General info
Comparing Ryzen Threadripper 3990X and Ryzen 9 7900X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 13 | 59 |
| Value for money | 4.93 | 61.09 |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen Threadripper | no data |
| Architecture codename | Matisse (2019−2020) | Raphael (Zen4) |
| Release date | 25 November 2019 (3 years old) | 26 September 2022 (less than a year old) |
| Launch price (MSRP) | $3,999 | no data |
| Current price | $6256 (1.6x MSRP) | $585 |
Value for money
Technical specs
Ryzen Threadripper 3990X and Ryzen 9 7900X basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 64 (Tetrahexaconta-Core) | 12 (Dodeca-Core) |
| Threads | 128 | 24 |
| Base clock speed | 2.9 GHz | 4.7 GHz |
| Boost clock speed | 4.3 GHz | 5.6 GHz |
| L1 cache | 96K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 256 MB | 64 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 5 nm |
| Die size | 74 mm2 | 2x 70 (CCD) mm2 + 122 (I/O) mm2 |
| Maximum core temperature | no data | 95 °C |
| Maximum case temperature (TCase) | 95 °C | 47 °C |
| Number of transistors | 3,800 million | CCD: 6,5 Mrd + IOD: 3,4 Mrd Million |
| 64 bit support | + | - |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen Threadripper 3990X and Ryzen 9 7900X compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | TR4 | AM5 |
| Power consumption (TDP) | 280 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper 3990X and Ryzen 9 7900X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 5 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475V |
| AES-NI | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper 3990X and Ryzen 9 7900X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3990X and Ryzen 9 7900X. Depending on the motherboards, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5-5200 |
| Maximum memory size | 256 GB | no data |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 102.403 GB/s | no data |
| ECC memory support | + | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | - |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper 3990X and Ryzen 9 7900X.
| PCIe version | 4.0 | 5.0 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Ryzen Threadripper 3990X outperforms Ryzen 9 7900X by 52% in our combined benchmark results.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Ryzen Threadripper 3990X outperforms Ryzen 9 7900X by 52% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 37%
Ryzen 9 7900X outperforms Ryzen Threadripper 3990X by 92% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 37%
Ryzen 9 7900X outperforms Ryzen Threadripper 3990X by 31% in GeekBench 5 Multi-Core.
Advantages and disadvantages
| Performance score | 63.38 | 41.65 |
| Recency | 25 November 2019 | 26 September 2022 |
| Boost clock speed | 4300 | 5600 |
| Base clock speed | 2900 | 4700 |
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 280 Watt | 170 Watt |
Based on the results of synthetic tests, our recommendation leans towards the Ryzen Threadripper 3990X due to its superior performance when compared to the Ryzen 9 7900X processor.
Should you still have questions on choice between Ryzen Threadripper 3990X and Ryzen 9 7900X, ask them in Comments section, and we shall answer.
Similar processor comparisons
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