Ryzen Threadripper 9970X vs EPYC 9755
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Turin (2024) | Shimada Peak (2025) |
| Release date | 10 October 2024 (less than a year ago) | July 2025 |
| Launch price (MSRP) | $12,984 | no data |
Detailed specifications
EPYC 9755 and Ryzen Threadripper 9970X 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 | 128 | 32 (Dotriaconta-Core) |
| Threads | 256 | 64 |
| Base clock speed | 2.7 GHz | 4 GHz |
| Boost clock speed | 4.1 GHz | 5.4 GHz |
| L1 cache | 80 KB (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 512 MB (shared) | 128 MB (shared) |
| Chip lithography | 4 nm | 4 nm |
| Die size | 16x 70.6 mm2 | 4x 70.6 mm2 |
| Number of transistors | 133,040 million | 33,260 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on EPYC 9755 and Ryzen Threadripper 9970X 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 | 2 | 1 |
| Socket | SP5 | sTR5 |
| Power consumption (TDP) | 500 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9755 and Ryzen Threadripper 9970X. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9755 and Ryzen Threadripper 9970X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 9755 and Ryzen Threadripper 9970X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by EPYC 9755 and Ryzen Threadripper 9970X.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 128 | 48 |
Pros & cons summary
| Physical cores | 128 | 32 |
| Threads | 256 | 64 |
| Power consumption (TDP) | 500 Watt | 350 Watt |
EPYC 9755 has 300% more physical cores and 300% more threads.
Ryzen Threadripper 9970X, on the other hand, has 42.9% lower power consumption.
We couldn't decide between AMD EPYC 9755 and AMD Ryzen Threadripper 9970X. We've got no test results to judge.
Be aware that EPYC 9755 is a server/workstation processor while Ryzen Threadripper 9970X is a desktop one.
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