AMD Ryzen AI 9 HX Pro 375

Manufacturer: AMD

The AMD Ryzen AI 9 HX Pro 375 is a processor designed for both desktop and laptop platforms, combining a compact 4 nm semiconductor process with a broad set of computing capabilities. It employs a hybrid core layout through big.LITTLE technology, pairing four cores at 2 GHz with eight additional cores also clocked at 2 GHz base, reaching a turbo frequency of 5.1 GHz under load. With 24 threads and support for 64-bit operation, the chip is built to handle demanding multitasking workloads within a 28W thermal envelope.

On the memory side, the Ryzen AI 9 HX Pro 375 supports DDR5 RAM at speeds up to 8000 MHz across two channels, with a maximum capacity of 256 GB and ECC memory compatibility. The integrated Radeon 890M graphics core operates at a base clock of 400 MHz and boosts up to 2900 MHz, offering 1024 shading units, 64 TMUs, and 32 ROPs alongside support for DirectX 12 Ultimate and OpenGL 4.6. Cache configuration includes 12 MB of L2 and 24 MB of L3, while the instruction set support spans AVX2, AES, FMA3, and SSE 4.2, among others. PassMark results place the chip at 33,564 in multi-threaded testing and 3,839 in single-threaded evaluation.

Pros

Supports both desktop and laptop platforms, making it usable across different system form factors
ECC memory support adds a layer of data integrity reliability for error-sensitive workloads
DDR5 memory compatibility with speeds up to 8000 MHz allows for high-bandwidth memory configurations
Maximum memory capacity of 256 GB accommodates large-scale workloads without external add-ons
The integrated Radeon 890M can drive up to four displays simultaneously, reducing the need for a discrete GPU in multi-monitor setups
NX bit support provides hardware-level protection against certain memory-based security exploits

Cons

A 28W TDP may limit sustained performance headroom in thermally constrained laptop chassis
Base clock speed of 2 GHz across all core groups is relatively modest before turbo speeds engage
The integrated GPU base clock of 400 MHz is low, relying heavily on boost frequency for graphical tasks
PCIe version 4 support, while capable, does not extend to the newer PCIe 5 standard found in more recent platforms

Who is this for?

This processor is well-suited for professionals and power users who need a capable mobile or desktop workstation without relying on discrete graphics. Its support for ECC memory and up to 256 GB of DDR5 RAM makes it a practical fit for data-intensive tasks such as virtualization, scientific computing, or environments where memory reliability is critical. The Radeon 890M integrated graphics with four-display output support also makes it a reasonable choice for multi-monitor productivity setups, while the broad instruction set coverage — including AES and AVX2 — suits workloads that benefit from hardware-accelerated encryption and vectorized computation.

Who is this NOT for?

Users looking for a chip to handle demanding real-time 3D rendering or high-frame-rate gaming will find the integrated Radeon 890M insufficient for those scenarios, as it lacks the raw throughput of a dedicated GPU. Similarly, the 28W TDP and 2 GHz base clocks across all core groups mean that users requiring sustained peak performance in thermally constrained environments — such as thin ultrabooks under continuous heavy load — may encounter throttling before turbo frequencies can be consistently maintained. Those who need PCIe 5 bandwidth for next-generation storage or expansion cards will also find this platform limiting.

General info:

Type	Desktop, Laptop
Has integrated graphics	✓
Thermal Design Power (TDP)	28W
semiconductor size	4 nm
CPU temperature	100 °C
PCI Express (PCIe) version	4
Supports 64-bit	✓

The AMD Ryzen AI 9 HX Pro 375 is compatible with both desktop and laptop platforms and includes integrated graphics, making it a versatile option across different system configurations. Built on a 4 nm semiconductor process, it operates within a 28W Thermal Design Power (TDP) envelope and can sustain a maximum CPU temperature of 100 °C. The processor supports 64-bit computing and interfaces with the system through PCIe version 4, ensuring compatibility with a wide range of modern expansion and storage components.

Performance:

CPU speed	4 x 2 & 8 x 2 GHz
CPU threads	24 threads
turbo clock speed	5.1GHz
L2 cache	12 MB
L3 cache	24 MB
L2 core	1 MB/core
L3 core	2 MB/core
Uses big.LITTLE technology	✓

The processor uses big.LITTLE technology to arrange its cores into two groups — four cores and eight cores — each running at a 2 GHz base clock, with a combined thread count of 24 threads to support parallel workloads efficiently. Under sustained demand, the chip can reach a turbo clock speed of 5.1 GHz. Cache is distributed at 1 MB of L2 per core and 2 MB of L3 per core, totaling 12 MB of L2 and 24 MB of L3 cache across the die, helping to reduce latency when accessing frequently used data.

Benchmarks:

PassMark result	33564
PassMark result (single)	3839
PassMark result (overclocked)	37839

In PassMark testing, the processor achieves a multi-threaded score of 33,564 and a single-threaded score of 3,839, reflecting its per-core responsiveness alongside its parallel processing capacity. When overclocked, the PassMark result rises to 37,839, indicating the headroom available beyond its default operating configuration.

Integrated graphics:

GPU clock speed	400 MHz
GPU name	Radeon 890M
GPU turbo	2900 MHz
DirectX version	DirectX 12 Ultimate
supported displays	4
OpenGL version	4.6
OpenCL version	2.1
texture mapping units (TMUs)	64
render output units (ROPs)	32
shading units	1024

The integrated Radeon 890M graphics unit runs at a base clock of 400 MHz and boosts up to 2900 MHz under load, backed by 1024 shading units, 64 texture mapping units (TMUs), and 32 render output units (ROPs). It supports up to four displays simultaneously and is compatible with DirectX 12 Ultimate, as well as OpenGL 4.6 and OpenCL 2.1, covering a broad range of graphics and compute workloads without requiring a discrete GPU.

Memory:

RAM speed (max)	8000 MHz
DDR memory version	5
memory channels	2
maximum memory amount	256GB
Supports ECC memory	✓

The processor supports DDR5 memory at speeds up to 8000 MHz across two channels, allowing for efficient data throughput in bandwidth-sensitive tasks. It can address a maximum of 256 GB of RAM, and the inclusion of ECC memory support makes it suitable for use cases where data integrity is a priority.

Features:

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

The processor supports multithreading and includes the NX bit for hardware-level memory protection against certain classes of malicious code execution. Its instruction set support spans MMX, AVX, AVX2, FMA3, F16C, AES, SSE 4.1, and SSE 4.2, covering a wide range of operations from floating-point and vector processing to hardware-accelerated encryption.

Final Verdict

The AMD Ryzen AI 9 HX Pro 375 is a well-rounded processor built for users who need a capable, multi-platform chip that can handle demanding professional workloads without requiring discrete graphics. Its combination of DDR5 support up to 8000 MHz with ECC compatibility and a 256 GB memory ceiling positions it firmly in the productivity and workstation segment, where data reliability and memory bandwidth carry real weight. While its 28W thermal envelope and base clock speeds impose natural limits under sustained load, the chip's broad instruction set support, 24-thread configuration, and Radeon 890M integrated graphics make it a self-contained solution for multi-display professional use. For users whose workflows align with those strengths, the Ryzen AI 9 HX Pro 375 delivers a coherent and well-specified package.