Ryzen Threadripper 1977 vs EPYC 9455P
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 23 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 11.73 | no data |
| Market segment | Server | Desktop processor |
| Power efficiency | 9.40 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Turin (2024) | Zen (2017−2020) |
| Release date | 10 October 2024 (1 year ago) | no data |
| Launch price (MSRP) | $4,819 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of EPYC 9455P and Ryzen Threadripper 1977: 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 | 48 (Octatetraconta-Core) | 14 (Tetradeca-Core) |
| Threads | 96 | no data |
| Base clock speed | 3.15 GHz | no data |
| Boost clock speed | 4.4 GHz | 3.2 GHz |
| L1 cache | 80 KB (per core) | 128 KB (per core) |
| L2 cache | 1 MB (per core) | 512 KB (per core) |
| L3 cache | 256 MB (shared) | 32768 KB |
| Chip lithography | 4 nm | 14 nm |
| Die size | 8x 70.6 mm2 | no data |
| Number of transistors | 66,520 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | - | + |
Compatibility
Information on EPYC 9455P and Ryzen Threadripper 1977 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 | SP5 | SP3r2 |
| Power consumption (TDP) | 300 Watt | 155 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9455P and Ryzen Threadripper 1977. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9455P and Ryzen Threadripper 1977 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 9455P and Ryzen Threadripper 1977. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by EPYC 9455P and Ryzen Threadripper 1977.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 128 | no data |
Pros & cons summary
| Physical cores | 48 | 14 |
| Chip lithography | 4 nm | 14 nm |
| Power consumption (TDP) | 300 Watt | 155 Watt |
EPYC 9455P has 243% more physical cores, and a 250% more advanced lithography process.
Ryzen Threadripper 1977, on the other hand, has 94% lower power consumption.
We couldn't decide between AMD EPYC 9455P and AMD Ryzen Threadripper 1977. We've got no test results to judge.
Be aware that EPYC 9455P is a server/workstation processor while Ryzen Threadripper 1977 is a desktop one.
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