AMD EPYC 4345P: specs and benchmarks
Aggregate performance score
EPYC 4345P provides good benchmark performance at 23.43% of a leader's which is a 192-core EPYC 9965.
Contents
Summary
AMD started EPYC 4345P sales 13 May 2025 at a recommended price of $329. This is a Grado architecture desktop processor primarily aimed at office systems. It has 8 cores and 16 threads, and is based on 4 nm manufacturing technology, with a maximum frequency of 5500 MHz and a locked multiplier.
Compatibility-wise, this is AMD Socket AM5 processor with a TDP of 65 Watt. It supports DDR5 memory.
Primary details
EPYC 4345P processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 262 | |
| Place by popularity | not in top-100 | |
| Cost-effectiveness evaluation | 60.51 | |
| Market segment | Server | |
| Power efficiency | 34.77 | of 100.00 (Ryzen Z1 Extreme) |
| Designer | AMD | |
| Manufacturer | TSMC | |
| Architecture codename | Grado (2025) | |
| Release date | 13 May 2025 (recently) | |
| Launch price (MSRP) | $329 | of 17,906 (Xeon Platinum 8280L) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 8 (Octa-Core) | |
| Threads | 16 | |
| Base clock speed | 3.8 GHz | of 4.7 GHz (FX-9590) |
| Boost clock speed | 5.5 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 80 KB (per core) | of 80 KB (EPYC 9965) |
| L2 cache | 1 MB (per core) | of 2 MB (Xeon 6980P) |
| L3 cache | 32 MB (shared) | of 1152 MB (EPYC 9684X) |
| Chip lithography | 4 nm | of 3 nm (Apple M3 Max 16-Core) |
| Die size | 70.6 mm2 | |
| Number of transistors | 8,315 million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + |
Compatibility
Information on EPYC 4345P compatibility with other computer components and devices: 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 | of 8 (Opteron 842) |
| Socket | AM5 | |
| Power consumption (TDP) | 65 Watt | of 500 Watt (Xeon 6960P) |
Technologies and extensions
Technological capabilities and additional instructions supported by EPYC 4345P. You'll probably need this information if you require some particular technology.
| AES-NI | + | |
| AVX | + | |
| Precision Boost 2 | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| AMD-V | + |
Memory specs
Types, maximum amount and channel number of RAM supported by EPYC 4345P's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR5 |
Graphics specifications
General parameters of a GPU integrated into EPYC 4345P.
| Integrated graphics card | AMD Radeon Graphics |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 5.0 | |
| PCI Express lanes | 24 | of 144 (Threadripper PRO 7955WX) |
Benchmark performance
Single-core and multi-core benchmark results of EPYC 4345P. Overall benchmark performance is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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. Other than that, Passmark measures multi-core performance.
Send your test results of EPYC 4345P.
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