AMD Epyc 9475F

Manufacturer: AMD

The AMD Epyc 9475F is a server-grade processor designed for demanding enterprise workloads, featuring 48 physical cores and 96 threads through multithreading support. Running at a base speed of 3.65 GHz across all cores with a turbo frequency reaching 4.8 GHz, it is built on a 4nm semiconductor process and carries a rated thermal design power of 400W.

On the memory side, the Epyc 9475F supports DDR5 at up to 6000 MHz across 12 memory channels, with a maximum bandwidth of 576 GB/s and support for up to 9000GB of ECC memory. The processor includes a substantial 256MB L3 cache alongside 48MB of L2 cache at 1MB per core, and its instruction set support covers MMX, AVX, AVX2, FMA3, AES, F16C, SSE 4.1, and SSE 4.2. PCIe 5.0 connectivity is also part of the specification, and the chip operates in 64-bit mode with NX bit support, though it does not include integrated graphics.

Pros

Supports up to 9000 GB of ECC memory across 12 channels, making it well-suited for memory-intensive enterprise workloads
The 256 MB L3 cache provides a large shared pool of fast-access memory relative to the core count
DDR5 support with a maximum speed of 6000 MHz and 576 GB/s of peak bandwidth enables substantial data throughput
PCIe 5.0 support allows for high-speed connectivity with compatible server components
96-thread multithreading capability enables broad parallel workload handling across all 48 cores
A wide instruction set including AVX2, FMA3, and hardware AES acceleration broadens the range of supported computational tasks

Cons

A 400W TDP places significant demands on server cooling infrastructure and power delivery systems
The locked clock multiplier means there is no option to adjust operating frequency beyond factory settings
No integrated graphics means an additional component is required for any display or visual output needs
The turbo frequency of 4.8 GHz applies only under boosted conditions, with a base clock of 3.65 GHz across all cores

Who is this for?

This processor is well-matched to large-scale enterprise server deployments that demand high thread counts and substantial memory capacity. Environments running memory-intensive workloads such as in-memory databases or virtualization platforms benefit directly from the 12-channel DDR5 architecture, 576 GB/s of bandwidth, and support for up to 9000 GB of ECC memory. The broad instruction set — including AVX2, FMA3, and hardware AES — also makes it a practical fit for parallel compute tasks and encrypted data processing, while PCIe 5.0 support serves infrastructures that rely on high-throughput storage or networking components. Organizations operating multi-tenant or high-availability systems will further appreciate the ECC memory support and 96-thread capacity.

Who is this NOT for?

This processor is not suited to environments where power consumption and thermal output are constrained, as its 400W TDP requires robust cooling solutions and substantial power delivery infrastructure that typical workstations or small deployments cannot support. It is also a poor fit for any use case that requires display output without a discrete graphics card, since no integrated graphics are included. Additionally, users or platforms that rely on overclocking or frequency tuning will find the locked clock multiplier a hard limitation, as there is no built-in mechanism to adjust operating frequencies beyond the factory-defined base and turbo clocks.

General info:

Thermal Design Power (TDP)	400W
semiconductor size	4 nm
PCI Express (PCIe) version	5
Supports 64-bit	✓
Has integrated graphics	✕

The AMD Epyc 9475F carries a Thermal Design Power (TDP) of 400W and is manufactured on a 4nm semiconductor process, reflecting its high-core-count server-oriented design. It supports the PCIe 5.0 interface standard and is fully 64-bit compatible. The processor does not include integrated graphics, meaning a discrete graphics solution is required for any display output.

Performance:

CPU speed	48 x 3.65 GHz
CPU threads	96 threads
turbo clock speed	4.8GHz
L3 cache	256 MB
L1 cache	3840 KB
L2 cache	48 MB
L2 core	1 MB/core
clock multiplier	36.5
Has an unlocked multiplier	✕
L3 core	5.33 MB/core

The AMD Epyc 9475F operates with 48 cores running at a base clock of 3.65 GHz each, supporting 96 threads in total, and can reach a turbo clock speed of 4.8 GHz under boosted conditions. The clock multiplier is set at 36.5 and the multiplier is locked, meaning no manual frequency adjustment is available. Cache resources are substantial across all levels: L1 stands at 3840 KB, L2 totals 48 MB at 1 MB per core, and L3 reaches 256 MB at approximately 5.33 MB per core, providing a large pool of fast-access memory to support the processor's high thread count.

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 9475F uses DDR5 memory and supports a maximum RAM speed of 6000 MHz across 12 memory channels, enabling a peak bandwidth of 576 GB/s. It can address up to 9000 GB of total memory and includes support for ECC, which allows the system to detect and correct memory errors — a standard requirement in server and enterprise environments.

Features:

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

The AMD Epyc 9475F supports multithreading, allowing each physical core to handle two threads simultaneously. Its instruction set support covers MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, enabling a broad range of computational operations including vectorized math, hardware-accelerated encryption, and floating-point processing. The processor also includes the NX bit, a hardware security feature that helps prevent certain classes of malicious code execution by marking memory regions as non-executable.

Benchmarks:

Final Verdict

The AMD Epyc 9475F is a processor built squarely for demanding enterprise infrastructure, and its specifications reflect that purpose without ambiguity. With 48 cores, 96 threads, and 256 MB of L3 cache backed by 12-channel DDR5 memory at up to 576 GB/s of bandwidth, it is engineered to sustain heavy parallel workloads, large-scale virtualization, and data-intensive server applications. Its 400W TDP and the absence of integrated graphics mean it is not a general-purpose or low-overhead solution, and organizations must plan accordingly for power and thermal infrastructure. That said, for the environments it is designed to serve — high-availability servers, enterprise compute clusters, and memory-heavy platforms — the Epyc 9475F offers a coherent and capable specification set that addresses the core demands of its category.