AMD Ryzen AI Max Pro 390

Manufacturer: AMD

The AMD Ryzen AI Max Pro 390 is a multi-use processor designed for both laptop and desktop platforms, built on a compact 4nm semiconductor process. It operates across 12 cores with a base clock of 3.2GHz per core, and its 5GHz turbo clock speed gives it headroom for demanding workloads. With 24 threads and multithreading support, it handles parallel tasks across a wide range of use cases.

On the memory side, the Ryzen AI Max Pro 390 supports up to 128GB of DDR5 RAM at speeds reaching 8000MHz, across four memory channels, with ECC memory support included. Its cache hierarchy consists of 960KB of L1, 12MB of L2, and 64MB of L3 cache. The integrated Radeon 8050S GPU runs at up to 2800MHz and supports DirectX 12, OpenGL 4.6, and OpenCL 3, with output for up to four displays. PassMark scores of 43,189 multi-core and 3,997 single-core round out the measurable performance data available for this processor.

Pros

Supports up to 128GB of DDR5 RAM across four memory channels, offering substantial memory capacity for demanding workloads
ECC memory support adds a layer of data integrity useful in reliability-sensitive environments
The integrated Radeon 8050S GPU can drive up to four displays simultaneously without a discrete graphics card
A 64MB L3 cache provides a large pool of fast-access memory to reduce latency across the 12 cores
Compatible with both laptop and desktop platforms, giving it flexibility across different system form factors
PCIe 4 support enables compatibility with a wide range of modern expansion components

Cons

The multiplier is locked, removing any option for manual clock speed adjustment
A 55W TDP may place thermal constraints on thinner or passively cooled laptop designs
Does not support TrustZone, which may matter in security-conscious deployment scenarios
With only 960KB of L1 cache spread across 12 cores, per-core L1 allocation is relatively limited

Who is this for?

This processor is well-suited to users who need a capable all-in-one compute solution across both laptop and desktop systems without relying on discrete graphics. Its support for up to 128GB of ECC DDR5 memory across four channels makes it a practical fit for workstation-grade tasks where data integrity and memory bandwidth matter, such as content processing or professional compute workloads. The 12-core, 24-thread configuration combined with a wide instruction set including AVX2 and FMA3 also makes it a reasonable fit for multi-threaded and vector-intensive tasks, while the Radeon 8050S integrated GPU with four-display output caters to users who need multi-monitor productivity setups without additional hardware.

Who is this NOT for?

Users who require fine-grained control over clock speeds will find this chip limiting, as the locked multiplier removes any manual overclocking capability. The 55W TDP, while moderate, may also make it a less comfortable fit for ultra-thin or passively cooled laptop designs where sustained thermal headroom is limited. Additionally, those working in security-hardened environments that depend on TrustZone-based hardware isolation will need to look elsewhere, as TrustZone is not supported on this processor.

General info:

Type	Laptop, Desktop
Has integrated graphics	✓
Thermal Design Power (TDP)	55W
semiconductor size	4 nm
CPU temperature	100 °C
PCI Express (PCIe) version	4
Supports 64-bit	✓

The AMD Ryzen AI Max Pro 390 is designed for use in both laptop and desktop systems, built on a 4nm semiconductor process that contributes to its compact power profile. It carries a Thermal Design Power (TDP) of 55W and is rated for a maximum CPU temperature of 100°C. The processor includes integrated graphics, supports 64-bit computing, and is compatible with PCIe version 4.

Performance:

CPU speed	12 x 3.2 GHz
CPU threads	24 threads
turbo clock speed	5GHz
Has an unlocked multiplier	✕
L2 cache	12 MB
L3 cache	64 MB
L1 cache	960 KB
L2 core	1 MB/core
L3 core	5.33 MB/core
Uses big.LITTLE technology	✕
clock multiplier	32

The processor runs 12 cores at a base speed of 3.2GHz each, supporting 24 threads for handling parallel workloads, with a turbo clock speed reaching 5GHz under load. The clock multiplier is set at 32, and the chip does not feature an unlocked multiplier or big.LITTLE heterogeneous core architecture. Its cache layout consists of 960KB of L1, 12MB of L2 at 1MB per core, and 64MB of L3 cache at 5.33MB per core, providing a substantial amount of fast-access memory to feed the cores efficiently.

Benchmarks:

PassMark result	43189
PassMark result (single)	3997

In PassMark testing, the processor achieves a multi-core score of 43,189, reflecting its capacity for threaded workloads across all available cores. Its single-core PassMark result of 3,997 represents the measured performance of an individual core under the same benchmark conditions.

Integrated graphics:

GPU name	Radeon 8050S
GPU turbo	2800 MHz
DirectX version	DirectX 12
supported displays	4
OpenGL version	4.6
OpenCL version	3

The integrated graphics solution is the Radeon 8050S, which operates at a turbo frequency of 2800MHz and can drive up to four displays simultaneously. It supports DirectX 12 for graphics rendering, alongside OpenGL version 4.6 and OpenCL version 3 for broader compatibility with graphics and compute workloads.

Memory:

RAM speed (max)	8000 MHz
DDR memory version	5
memory channels	4
maximum memory amount	128GB
Supports ECC memory	✓

The processor supports DDR5 memory at speeds up to 8000MHz, spread across four memory channels for broad bandwidth availability. It accommodates a maximum of 128GB of RAM and includes support for ECC memory, allowing for error detection and correction in relevant system configurations.

Features:

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

The processor supports a broad set of instruction sets including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, covering a range of compute, encryption, and vector processing capabilities. Multithreading is enabled, allowing the chip to handle multiple threads per core simultaneously. The NX bit is present for hardware-level memory protection, while TrustZone is not supported on this processor.

Final Verdict

The AMD Ryzen AI Max Pro 390 presents a well-rounded specification set for users who need a single processor to handle demanding multi-threaded workloads across both laptop and desktop environments. Its support for up to 128GB of ECC DDR5 memory across four channels, combined with a 12-core, 24-thread architecture and a broad instruction set, positions it as a credible option for professional and workstation-oriented use cases. The integrated Radeon 8050S GPU adds practical multi-display capability without requiring additional hardware, though users with more specialized needs around overclocking flexibility or hardware-level security isolation may find certain limitations worth considering. On balance, the Ryzen AI Max Pro 390 is a technically capable processor that suits productivity-focused and compute-intensive deployments where memory bandwidth, threading depth, and platform versatility are the primary requirements.