Ryzen Threadripper 1977X vs Ryzen Threadripper 3990X
Primary details
Comparing Ryzen Threadripper 3990X and Ryzen Threadripper 1977X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 28 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 12.87 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen Threadripper | no data |
| Architecture codename | Matisse (2019−2020) | Zen (2017−2020) |
| Release date | 25 November 2019 (4 years ago) | no data |
| Launch price (MSRP) | $3,999 | no data |
| Current price | $3550 (0.9x MSRP) | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen Threadripper 3990X and Ryzen Threadripper 1977X 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) | 14 (Tetradeca-Core) |
| Threads | 128 | no data |
| Base clock speed | 2.9 GHz | no data |
| Boost clock speed | 4.3 GHz | 3.5 GHz |
| L1 cache | 4 MB | 128 KB (per core) |
| L2 cache | 32 MB | 512 KB (per core) |
| L3 cache | 256 MB | 32768 KB |
| Chip lithography | 7 nm, 12 nm | 14 nm |
| Die size | 74 mm2 | no data |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 38740 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | Yes | Yes |
Compatibility
Information on Ryzen Threadripper 3990X and Ryzen Threadripper 1977X 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 | SP3r2 |
| Power consumption (TDP) | 280 Watt | 155 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper 3990X and Ryzen Threadripper 1977X. You'll probably need this information if you require some particular technology.
| AES-NI | + | no data |
| AVX | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper 3990X and Ryzen Threadripper 1977X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3990X and Ryzen Threadripper 1977X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR4 |
| 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 |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper 3990X and Ryzen Threadripper 1977X.
| PCIe version | 4.0 | no data |
Pros & cons summary
| Physical cores | 64 | 14 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 280 Watt | 155 Watt |
We couldn't decide between Ryzen Threadripper 3990X and Ryzen Threadripper 1977X. We've got no test results to judge.
Should you still have questions on choice between Ryzen Threadripper 3990X and Ryzen Threadripper 1977X, ask them in Comments section, and we shall answer.
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