Ryzen 9 7900X vs Ryzen Threadripper 1955
Primary details
Comparing Ryzen Threadripper 1955 and Ryzen 9 7900X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 124 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | no data | 18.10 |
| Architecture codename | Zen (2017−2020) | Raphael (Zen4) (2022−2023) |
| Release date | no data | 27 September 2022 (2 years ago) |
Detailed specifications
Ryzen Threadripper 1955 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 | 10 (Deca-Core) | 12 (Dodeca-Core) |
| Threads | no data | 24 |
| Base clock speed | no data | 4.7 GHz |
| Boost clock speed | 3.1 GHz | 5.6 GHz |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 32768 KB | 64 MB (shared) |
| Chip lithography | 14 nm | 5 nm |
| Die size | no data | 2x 70 (CCD) mm2 + 122 (I/O) mm2 |
| Maximum core temperature | no data | 95 °C |
| Maximum case temperature (TCase) | no data | 47 °C |
| Number of transistors | no data | CCD: 6,5 Mrd + IOD: 3,4 Mrd Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen Threadripper 1955 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 | SP3r2 | AM5 |
| Power consumption (TDP) | 125 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper 1955 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 | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper 1955 and Ryzen 9 7900X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 1955 and Ryzen 9 7900X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5-5200 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon Graphics (Ryzen 7000) |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper 1955 and Ryzen 9 7900X.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 24 |
Pros & cons summary
| Physical cores | 10 | 12 |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 125 Watt | 170 Watt |
Ryzen Threadripper 1955 has 36% lower power consumption.
Ryzen 9 7900X, on the other hand, has 20% more physical cores, and a 180% more advanced lithography process.
We couldn't decide between Ryzen Threadripper 1955 and Ryzen 9 7900X. We've got no test results to judge.
Should you still have questions on choice between Ryzen Threadripper 1955 and Ryzen 9 7900X, ask them in Comments section, and we shall answer.
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