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AMD Epyc 9375F specifications and in-depth review

AMD Epyc 9375F

Manufacturer: AMD

The AMD Epyc 9375F is a server-class processor designed for demanding enterprise workloads, offering 32 cores with 64 threads and a base clock of 3.85GHz across all cores. It supports PCIe 5.0, enabling high-throughput connectivity for modern enterprise infrastructure components, and is manufactured on a 4nm process node.

On the memory side, the Epyc 9375F supports 12-channel DDR5 at up to 6000MHz, with a maximum capacity of 9000GB and a peak bandwidth of 576GB/s, alongside ECC memory support for data integrity in critical environments. Its cache hierarchy includes 2560KB of L1, 32MB of L2 at 1MB per core, and a substantial 256MB L3 cache at 8MB per core, complemented by a PassMark multi-threaded score of 95,768 and a single-threaded score of 3,762.

Pros
  • Supports up to 9000GB of DDR5 memory across 12 channels, accommodating extremely large in-memory datasets without segmentation
  • ECC memory support helps maintain data integrity in environments where memory errors could have serious consequences
  • The 256MB L3 cache, distributed at 8MB per core, provides substantial on-chip data storage that can reduce latency in data-intensive workloads
  • A broad set of instruction set extensions — including AVX2, FMA3, and hardware AES acceleration — enables efficient handling of vectorized, floating-point, and encryption workloads natively
  • PCIe 5.0 support allows for high-bandwidth connectivity with modern enterprise storage and networking components
  • 64 threads across 32 cores enable strong parallelism for multi-threaded server workloads
Cons
  • A 320W TDP places significant demands on server cooling and power delivery infrastructure
  • The clock multiplier is locked, removing any possibility of frequency tuning or adjustment
  • No integrated graphics means a separate solution is required for any display or remote management output that depends on a GPU
  • The single-threaded PassMark score of 3,762 indicates limited per-core performance for workloads that do not scale across multiple threads
Who is this for?

The AMD Epyc 9375F is well-matched to enterprise server environments that demand strong multi-threaded throughput and large memory capacity, such as database servers, virtualization hosts, and in-memory analytics platforms that can take advantage of its 12-channel DDR5 architecture and support for up to 9000GB of RAM. Workloads that benefit from hardware-accelerated cryptography, vectorized floating-point math, or parallel compute tasks will find relevant support in its extensive instruction set extensions including AES and AVX2. The processor also suits deployments that rely on high-bandwidth device connectivity, given its PCIe 5.0 support for modern enterprise storage and networking hardware, alongside ECC memory support that makes it appropriate for environments where data integrity is operationally critical.

Who is this NOT for?

This processor is not a practical fit for scenarios where single-threaded performance is the primary concern, as its single-core PassMark score of 3,762 reflects modest per-core throughput that would limit responsiveness in latency-sensitive or lightly threaded applications. It is also unsuitable for any deployment where power efficiency or constrained thermal budgets are priorities, since its 320W TDP demands robust cooling and power delivery infrastructure that may not be available in smaller or edge computing setups. Additionally, the absence of integrated graphics makes it a poor choice for any use case requiring local display output or GPU-dependent remote management without a dedicated graphics solution in place.

General info:

Thermal Design Power (TDP) 320W
semiconductor size 4 nm
PCI Express (PCIe) version 5
Supports 64-bit ✓
Has integrated graphics ✕

The AMD Epyc 9375F is built on a 4nm process node and carries a Thermal Design Power of 320W, reflecting the thermal envelope expected for this class of server processor. It supports 64-bit computing and comes with PCIe 5.0 for high-bandwidth device connectivity, though it does not include integrated graphics, making a discrete or external graphics solution necessary for display output.

Performance:

CPU speed 32 x 3.85 GHz
CPU threads 64 threads
turbo clock speed 4.8GHz
L3 cache 256 MB
L1 cache 2560 KB
L2 cache 32 MB
L2 core 1 MB/core
clock multiplier 38.5
Has an unlocked multiplier ✕
L3 core 8 MB/core

The AMD Epyc 9375F runs 32 cores at a base clock of 3.85GHz across all cores, supporting 64 threads in total, with a turbo clock speed of 4.8GHz for sustained peak frequency under load. The clock multiplier sits at 38.5, though the multiplier is locked and cannot be adjusted. Cache is distributed across three levels: 2560KB of L1, 32MB of L2 at 1MB per core, and a 256MB L3 cache allocated at 8MB per core — providing substantial on-chip storage to help reduce memory latency during compute-intensive tasks.

Memory:

Supports ECC memory ✓
maximum memory bandwidth 576 GB/s
DDR memory version 5
RAM speed (max) 6000 MHz
maximum memory amount 9000GB
memory channels 12

The AMD Epyc 9375F uses DDR5 memory across 12 channels, supporting speeds of up to 6000MHz and delivering a maximum memory bandwidth of 576GB/s. It can address up to 9000GB of total memory, making it well-suited for workloads that depend on large memory pools. ECC memory support is also included, providing hardware-level error correction to help maintain data integrity in server environments where reliability is essential.

Features:

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

The AMD Epyc 9375F supports multithreading, allowing each physical core to handle two threads simultaneously for more efficient utilization under parallel workloads. It also includes the NX bit, a hardware security feature that helps prevent certain classes of malicious code execution. On the instruction set side, the processor supports a broad range of extensions — including AVX and AVX2 for vectorized floating-point operations, FMA3, F16C, AES for hardware-accelerated encryption, MMX, SSE 4.1, and SSE 4.2 — covering a wide spectrum of compute and security-oriented workloads.

Benchmarks:

PassMark result 95768
PassMark result (single) 3762

In PassMark testing, the AMD Epyc 9375F achieves a multi-threaded score of 95,768, reflecting its throughput across all cores and threads under parallel workloads. Its single-threaded PassMark result stands at 3,762, representing per-core performance in tasks that do not scale across multiple threads.

Final Verdict

The AMD Epyc 9375F is a purpose-built enterprise processor that earns its place in demanding server environments through a combination of broad parallelism, extensive instruction set coverage, and an exceptionally capable memory subsystem. Its 12-channel DDR5 architecture with support for up to 9000GB of RAM and a peak bandwidth of 576GB/s makes it particularly well-positioned for workloads where memory capacity and throughput are defining constraints, such as large-scale virtualization, in-memory databases, and data-intensive compute tasks. Those requirements do come with trade-offs — notably a 320W thermal footprint and modest single-threaded performance — meaning this processor rewards infrastructure that is specifically built around it. For organizations deploying at enterprise scale with the right power and cooling capacity, the Epyc 9375F represents a cohesive and technically well-rounded server CPU.

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