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AMD Epyc 4484PX specifications and in-depth review

AMD Epyc 4484PX

Manufacturer: AMD

The AMD Epyc 4484PX is a 12-core processor designed for the enterprise segment, combining a refined 5 nm manufacturing process with clock speeds that reach up to 5.6 GHz in turbo mode. With 24 threads and a thermal envelope of 120W, it balances compute density with power efficiency in a single-socket server context.

On the memory side, the Epyc 4484PX supports DDR5 memory at up to 5200 MHz across two channels, delivering a maximum bandwidth of 83.2 GB/s, alongside ECC memory support for data integrity in demanding workloads. The processor includes 128 MB of L3 cache, 12 MB of L2 cache, and connects via PCIe 5.0, while its instruction set support spans MMX, AVX2, AES, FMA3, F16C, SSE 4.1, SSE 4.2, and more. A PassMark score of 50547 multi-threaded and 4119 single-threaded rounds out the available benchmark data.

Pros
  • The 128 MB L3 cache distributed at 10.67 MB per core provides substantial on-chip storage that reduces memory latency for data-intensive server workloads
  • ECC memory support adds a layer of data integrity protection well-suited to enterprise environments where reliability matters
  • DDR5 support with speeds up to 5200 MHz and a maximum bandwidth of 83.2 GB/s enables fast data throughput across memory-heavy tasks
  • PCIe 5.0 compatibility allows for high-speed connectivity with modern storage and expansion cards
  • The turbo clock speed of 5.6 GHz gives the processor meaningful headroom above its 4.4 GHz base for single-threaded or bursty workloads
  • The NX bit adds hardware-level protection against certain memory-based exploit techniques, which is relevant in enterprise deployments
Cons
  • With only two memory channels, memory bandwidth scaling is limited compared to multi-channel configurations
  • The locked clock multiplier removes any possibility of manual frequency tuning beyond factory settings
  • No integrated graphics means a discrete GPU is always required, adding complexity and cost to headless server builds
  • At 24 threads across 12 cores, thread count may be a limiting factor for highly parallel workloads typical in dense enterprise environments
Who is this for?

This processor is well-matched for enterprise server environments that prioritize data integrity and reliability, given its ECC memory support and NX bit security feature. Its large 128 MB L3 cache and DDR5 support with 83.2 GB/s of memory bandwidth make it a practical fit for workloads that are memory-latency sensitive, such as database servers, virtualization hosts, or compute tasks that benefit from keeping large datasets close to the cores. The 5.6 GHz turbo clock also makes it suitable for applications that depend on strong single-threaded or lightly threaded performance alongside moderate parallelism.

Who is this NOT for?

This processor is not well-suited for workloads requiring high thread counts at scale, as its 24-thread configuration may fall short in environments running heavily parallelized tasks across dozens of concurrent processes. The absence of integrated graphics makes it a poor fit for any deployment where display output is needed without a discrete GPU, including lightweight administrative setups or embedded use cases. Additionally, the locked clock multiplier means it is entirely unsuitable for users who require manual frequency tuning or overclocking to push beyond factory-specified limits.

General info:

Thermal Design Power (TDP) 120W
semiconductor size 5 nm
PCI Express (PCIe) version 5
Supports 64-bit ✓
Has integrated graphics ✕

The AMD Epyc 4484PX carries a Thermal Design Power (TDP) of 120W and is built on a 5 nm semiconductor process, reflecting a relatively compact fabrication node for this class of enterprise processor. It supports the PCIe 5.0 interface standard and is fully 64-bit compatible, while it does not include integrated graphics, making a discrete GPU necessary for any display output.

Performance:

CPU speed 12 x 4.4 GHz
CPU threads 24 threads
turbo clock speed 5.6GHz
L3 cache 128 MB
L1 cache 768 KB
L2 cache 12 MB
L2 core 1 MB/core
clock multiplier 44
Has an unlocked multiplier ✕
L3 core 10.67 MB/core

The processor operates across 12 cores at a base clock speed of 4.4 GHz, supporting 24 threads in total, with a turbo clock speed reaching 5.6 GHz for demanding workloads. Cache is organized across three levels: 768 KB of L1, 12 MB of L2 at 1 MB per core, and a substantial 128 MB of L3 cache averaging 10.67 MB per core, providing considerable on-chip memory for data-intensive tasks. The clock multiplier is set at 44, and the multiplier is locked, meaning manual frequency adjustments beyond the default configuration are not supported.

Memory:

Supports ECC memory ✓
maximum memory bandwidth 83.2 GB/s
DDR memory version 5
RAM speed (max) 5200 MHz
memory channels 2

The AMD Epyc 4484PX uses DDR5 memory and supports speeds of up to 5200 MHz across two memory channels, delivering a maximum memory bandwidth of 83.2 GB/s. It also supports ECC memory, which enables error detection and correction to help maintain data integrity in enterprise and server environments.

Features:

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

The processor supports a broad range of instruction sets including MMX, AVX, AVX2, AES, FMA3, F16C, SSE 4.1, and SSE 4.2, covering vectorized math, encryption acceleration, and extended multimedia operations. It also features the NX bit, a hardware-level security mechanism that helps prevent certain classes of malicious code execution by marking memory regions as non-executable.

Benchmarks:

PassMark result 50547
PassMark result (single) 4119

In PassMark testing, the AMD Epyc 4484PX achieves a multi-threaded score of 50,547, reflecting its throughput across all cores and threads, while its single-threaded score of 4,119 indicates the per-core processing capability measured under the same benchmark.

Final Verdict

The AMD Epyc 4484PX is a focused enterprise processor that makes a clear case for single-socket server deployments where reliability, cache depth, and modern memory support take priority. Its 128 MB L3 cache combined with DDR5 and ECC memory support positions it well for database, virtualization, and latency-sensitive workloads, while the 5.6 GHz turbo clock adds meaningful responsiveness for less parallel tasks. The trade-offs — a locked multiplier, dual-channel memory ceiling, and no integrated graphics — reflect deliberate design choices rather than oversights, keeping the chip firmly within its enterprise niche. For organizations deploying workloads that align with its strengths, the Epyc 4484PX represents a well-defined and technically coherent option within its category.

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