AMD · Radeon

AMD Radeon R9 M390X

The AMD Radeon R9 M390X is a graphics card. It has 4 GB of GDDR5 memory on a 256-bit bus and a 100 W board power rating. It scores 3,918 in the PassMark G3D benchmark. It supports DirectX 12 and OpenGL 4.4.

5/10 key specs recorded · 29 facts

Depth: 29 recorded fields, 2 features, 5 PassMark workloads

Specification data last verified July 27, 2026 against PassMark Videocard Benchmark and AMD.com Specifications. Coverage: 5 of 10 tracked specifications recorded.

PassMark Videocard Benchmark AMD.com Specifications PassMark Videocard Benchmark

Shading units

n/a

Memory

4 GB

GDDR5 · 256-bit

Boost clock

n/a

Board power

100 W

Performance

The AMD Radeon R9 M390X scores 3,918 in the PassMark G3D benchmark, higher than 77.2% of the 2,658 GPUs benchmarked (PassMark rank #643), measured across 30 submitted results. Its PassMark G2D score is 439.

PassMark G3D Mark

3,918

Rank #643
Faster than 77.2% of 2,658 GPUs
30 samples

0relative to the fastest GPU on record (41,928)

PassMark workload tests

DirectX 9 76 fps

reference: fastest recorded 526 fps · faster than 70% of 1,675 GPUs

DirectX 10 25 fps

reference: fastest recorded 231 fps · faster than 64.4% of 1,602 GPUs

DirectX 11 25 fps

reference: fastest recorded 362 fps · faster than 55.1% of 1,430 GPUs

DirectX 12 20 fps

reference: fastest recorded 213 fps · faster than 53.8% of 1,274 GPUs

GPU Compute 1,258 ops/s

reference: fastest recorded 26,591 ops/s · faster than 54.4% of 1,447 GPUs

Averages of PassMark PerformanceTest submissions; frames/sec are PassMark test-scene rates, not game FPS. Tests PassMark does not report for this card are omitted. PassMark listing

In the PassMark workload tests the AMD Radeon R9 M390X averages DirectX 9 76 fps, DirectX 10 25 fps, DirectX 11 25 fps, DirectX 12 20 fps and GPU Compute 1,258 ops/s, across 30 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.

As stated by PassMark

Category Mobile

Bus interface PCIe 3.0 x16

Max memory 4 GB

Core clock 723 MHz

Memory clock 1250 MHz

DirectX 12.0

OpenGL 4.3

Max TDP 100 W

First benchmarked 2016-01-11

Samples 30

PassMark listing (collected 2026-10-01)

PassMark's own listing for the AMD Radeon R9 M390X states the PCIe 3.0 x16 interface, up to 4 GB of memory, a core clock of 723 MHz, DirectX 12.0 and OpenGL 4.3, first benchmarked on 2016-01-11. These are PassMark's figures, shown separately from the specification tables above.

Memory

Size 4 GB

Type GDDR5

Bus width 256-bit

Bandwidth Not recorded

The AMD Radeon R9 M390X is equipped with 4 GB of GDDR5 memory and uses a 256-bit memory bus.

Board and power

The AMD Radeon R9 M390X has a board power rating of 100 W and it connects over PCIe 3.0 x16.

Board power (TDP) 100 W

Total board power Not recorded

Suggested PSU Not recorded

Power connectors Not recorded

Slot width Not recorded

Length Not recorded

Width Not recorded

Height Not recorded

Cooler Not recorded

Max temperature Not recorded

Bus interface PCIe 3.0 x16

Market

Launched Not recorded

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment Desktop

Series Radeon

Benchmarks

PassMark G3D 3,918

PassMark G2D 439

Rank #643

Samples 30

Graphics and compute APIs

The AMD Radeon R9 M390X supports DirectX 12 and OpenGL 4.4.

DirectX 12

OpenGL 4.4

CUDA is an NVIDIA technology and does not apply to the AMD Radeon R9 M390X. Feex has no recorded Vulkan version for the AMD Radeon R9 M390X. Feex has no recorded OpenCL version for the AMD Radeon R9 M390X.

Features

The AMD Radeon R9 M390X has 2 supported features recorded outside the media engine. A feature that no source mentions is shown as not listed, never as unsupported.

Platform

Supported: Radeon Dual Graphics

Support for pairing an AMD APU's integrated graphics with a compatible Radeon GPU.
Supported: Switchable graphics

Support for switching between integrated and dedicated graphics to balance power use and performance.

Not listed (2)

No source Feex holds states whether the AMD Radeon R9 M390X supports Resizable BAR and AMD SmartShift. That is silence, not a statement that they are unsupported.

The AMD Radeon R9 M390X supports Radeon Dual Graphics and Switchable graphics under Platform.

Naming and aliases

The AMD Radeon R9 M390X is also known by other names: PassMark also lists it as AMD Radeon (TM) R9 M390X.

Other names (PassMark) AMD Radeon (TM) R9 M390X

Frequently asked questions

How much VRAM does the AMD Radeon R9 M390X have?

The AMD Radeon R9 M390X has 4 GB of GDDR5 memory on a 256-bit bus.

How much power does the AMD Radeon R9 M390X use and what power supply does it need?

The AMD Radeon R9 M390X has a board power rating of 100 W.

How fast is the AMD Radeon R9 M390X?

The AMD Radeon R9 M390X scores 3,918 in the PassMark G3D benchmark, higher than 77.2% of the 2,658 GPUs benchmarked. Its PassMark rank is #643. In the PassMark DirectX 12 test it averages 20 fps.