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AMD Epyc 4545P specifications and in-depth review

AMD Epyc 4545P

Manufacturer: AMD

The AMD Epyc 4545P is a high-performance Enterprise CPU designed to deliver robust computational power. It features a turbo clock speed of 5.4GHz, making it a solid choice for demanding applications that require high processing speeds.

Key specifications of the Epyc 4545P include support for DDR5 memory with a maximum RAM speed of 5600 MHz and a maximum memory bandwidth of 89.6 GB/s. It also supports ECC memory, ensuring error-free operations in critical workloads. With 32 CPU threads and a 65W TDP, this processor is built to efficiently handle complex multi-threaded tasks.

Pros
  • Supports multithreading, allowing for better performance in parallel processing tasks.
  • Has an unlocked multiplier, providing flexibility for overclocking and performance tuning.
  • Supports ECC memory, ensuring data integrity and reducing the risk of memory errors in critical applications.
  • Offers a solid turbo clock speed of 5.4GHz for performance boosts when needed.
  • Supports DDR5 memory with a maximum RAM speed of 5600 MHz, ensuring high-speed data transfer.
Cons
  • Lacks integrated graphics, which could limit its usability in systems that do not have a dedicated GPU.
  • Has only 2 memory channels, which may restrict memory bandwidth in memory-intensive tasks compared to processors with more channels.
Who is this for?

The AMD Epyc 4545P is well-suited for enterprise environments that require robust processing power and error-free operations. Its support for ECC memory makes it ideal for critical tasks where data integrity is crucial. With 32 threads and a turbo boost of 5.4GHz, it excels in multi-threaded workloads, making it perfect for server applications, virtualization, and other demanding enterprise-level tasks.

Who is this NOT for?

This processor may not be ideal for users who require integrated graphics, as it lacks integrated graphics, limiting its use in systems that do not have a dedicated GPU. Additionally, with only 2 memory channels, it may not deliver the best performance in highly memory-dependent applications, such as high-end gaming or real-time video editing, where higher memory bandwidth could be beneficial.

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 4545P is built with a 4 nm semiconductor size, ensuring enhanced power efficiency and performance. It supports PCIe version 5 for high-speed connectivity and offers a 65W TDP, indicating a balanced power consumption profile. This processor is fully 64-bit compatible, ensuring efficient handling of modern software, though it does not include integrated graphics.

Performance:

CPU speed 16 x 3 GHz
CPU threads 32 threads
turbo clock speed 5.4GHz
L3 cache 64 MB
L1 cache 1280 KB
L2 cache 16 MB
L2 core 1 MB/core
clock multiplier 30
Has an unlocked multiplier ✓
L3 core 4 MB/core

The AMD Epyc 4545P processor delivers a solid performance profile with a 16 x 3 GHz total clock speed and a turbo boost capability of up to 5.4GHz. It features a robust 64 MB L3 cache, alongside 16 MB of L2 cache, ensuring fast data access for high-demand workloads. With 32 threads and an unlocked multiplier, this CPU is designed for excellent parallel processing and overclocking potential, offering flexibility for advanced configurations.

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 4545P supports ECC memory for enhanced error correction, making it ideal for critical workloads. It provides a maximum memory bandwidth of 89.6 GB/s and supports DDR5 memory, with a maximum RAM speed of 5600 MHz. The processor can handle up to 192GB of RAM across 2 memory channels, offering substantial capacity for demanding tasks.

Features:

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

The AMD Epyc 4545P processor utilizes multithreading to handle multiple tasks simultaneously, boosting efficiency in complex workloads. It supports a wide range of instruction sets, including MMX, FMA3, AES, AVX, and AVX2, optimizing performance for diverse applications. Additionally, it features the NX bit, providing enhanced security by preventing the execution of malicious code in certain areas of memory.

Benchmarks:

PassMark result 55388
PassMark result (single) 4568
PassMark result (overclocked) 55541

The AMD Epyc 4545P has a strong PassMark result of 55388, showcasing its overall performance. The single-threaded performance is measured at 4568, while the overclocked performance increases slightly to 55541, highlighting its potential for enhanced speed under optimized conditions.

Final Verdict

The AMD Epyc 4545P is a powerful processor tailored for enterprise-level applications, offering excellent performance with its 32 threads and high turbo boost of 5.4GHz. It excels in critical environments with its support for ECC memory, ensuring data integrity. While it lacks integrated graphics and has only 2 memory channels, it remains an ideal choice for high-performance server tasks. This processor is well-suited for users requiring reliable, high-speed computing in data-intensive operations.

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