AMD Epyc 4345P specifications and in-depth review

AMD Epyc 4345P

Manufacturer: AMD

The AMD Epyc 4345P is a high-performance enterprise CPU designed for demanding workloads. With 16 threads and a base clock speed of 3.8 GHz, it offers solid multitasking capabilities. The processor features a 65W thermal design power (TDP) and operates on a cutting-edge 4 nm semiconductor size, ensuring energy efficiency and performance.

Key technical specifications of the Epyc 4345P include support for ECC memory, with a maximum memory bandwidth of 89.6 GB/s. The CPU also supports DDR5 memory running at up to 5600 MHz, and can handle up to 192GB of RAM across two memory channels. Additionally, its turbo clock speed reaches 5.5 GHz, making it a versatile option for high-performance computing needs.

Pros
  • Supports ECC memory, enhancing reliability for enterprise-level applications.
  • Capable of reaching a turbo clock speed of 5.5GHz for demanding tasks.
  • Supports PCIe 5.0 for faster data transfer speeds, beneficial for modern hardware setups.
  • Has 16 threads, offering strong multitasking and parallel processing performance.
  • Supports 64-bit architecture, ensuring compatibility with modern software and systems.
Cons
  • Does not include integrated graphics, requiring a dedicated GPU for graphical tasks.
  • Limited to two memory channels, which could limit memory bandwidth scalability in some high-end configurations.
Who is this for?

The AMD Epyc 4345P is well-suited for enterprise environments that require reliable performance for demanding applications. Its support for ECC memory ensures data integrity, making it ideal for mission-critical workloads. With 16 threads and a turbo clock speed of 5.5GHz, it excels in tasks involving heavy multitasking or parallel processing, such as database management or virtualization.

Who is this NOT for?

This CPU may not be ideal for users needing integrated graphics, as it does not include a GPU. Additionally, with only two memory channels, it might not provide the best performance for workloads requiring extremely high memory bandwidth, such as certain high-end graphics rendering or scientific computing tasks.

General info:

Thermal Design Power (TDP) 65W
release date May 2025
semiconductor size 4 nm
PCI Express (PCIe) version 5
Supports 64-bit
Has integrated graphics

The AMD Epyc 4345P features a 65W thermal design power (TDP), offering an energy-efficient balance between performance and power consumption. It is built on a 4 nm semiconductor size, ensuring improved efficiency and processing capabilities. The processor supports PCIe 5.0 for faster data transfer speeds, and fully supports 64-bit architecture. Additionally, it does not include integrated graphics, meaning a dedicated GPU is required for visual output.

Performance:

CPU speed 8 x 3.8 GHz
CPU threads 16 threads
turbo clock speed 5.5GHz
L3 cache 32 MB
L1 cache 640 KB
L2 cache 8 MB
L2 core 1 MB/core
clock multiplier 38
Has an unlocked multiplier
L3 core 4 MB/core

The AMD Epyc 4345P features a solid 8 x 3.8 GHz base CPU speed across 16 threads, providing robust processing power. It also supports a turbo clock speed of 5.5GHz for higher performance during demanding tasks. With a 32 MB L3 cache, 8 MB L2 cache, and 640 KB L1 cache, it delivers fast data access for smooth multitasking and efficient computing.

Memory:

Supports ECC memory
maximum memory bandwidth 89.6 GB/s
DDR memory version 5
RAM speed (max) 5600 MHz
maximum memory amount 192GB
memory channels 2

The AMD Epyc 4345P supports ECC memory, providing enhanced reliability for critical workloads. It offers a maximum memory bandwidth of 89.6 GB/s, ensuring fast data transfer speeds. With support for DDR5 memory at a maximum speed of 5600 MHz, and a capacity of up to 192GB across two memory channels, this CPU is well-suited for demanding enterprise applications.

Features:

uses multithreading
instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
Has NX bit

The AMD Epyc 4345P features multithreading support, allowing efficient handling of simultaneous tasks. It also includes a range of instruction sets, such as MMX, AES, AVX, and FMA3, enabling enhanced performance for various applications. Additionally, the processor is equipped with the NX bit for improved security, helping to protect against certain types of attacks.

Benchmarks:

PassMark result 37671
PassMark result (single) 4672
PassMark result (overclocked) 38295

The AMD Epyc 4345P has a PassMark result of 37671 in overall performance, with a single-threaded PassMark result of 4672. When overclocked, its performance increases to a PassMark result of 38295, showcasing its potential for even higher processing power under optimal conditions.

Final Verdict

The AMD Epyc 4345P is a solid choice for enterprise applications that demand reliability and high performance. Its support for ECC memory and 16 threads make it ideal for multitasking and critical workloads. While it lacks integrated graphics and has a limited memory channel configuration, it offers strong processing power with a turbo clock speed of 5.5GHz, making it well-suited for data-intensive tasks. Overall, the Epyc 4345P is an excellent option for users needing a stable, high-performance CPU for demanding enterprise environments.

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