AMD Radeon R9 M390X: GPU Specs & Benchmarks

The Radeon R9 M390X is a graphics card by AMD, built on the 28 nm process and based on the Amethyst graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

Recommended Gaming Resolutions 640x480 1280x720 1366x768 1600x900 1920x1080 2560x1440 3840x2160

Benchmarks

3DMark Time Spy

2370

3DMark Fire Strike

6359

3DMark Fire Strike Ultra

1693

Graphics Processor (GPU)

GPU Name

Amethyst

Model number

Amethyst XT

Architecture

GCN 3.0

Foundry

TSMC

Process Size

28 nm

Transistors

5,000 million

Die Size

366 mm²

Graphics Card

Release Date

May 5th, 2015

Family

Crystal System
(R9 M300)

Production

Active

Predecessor

Solar System

Bus Interface

PCIe 3.0 x16

Memory

Memory Size

4 GB

Memory Type

GDDR5

Memory Bus

256 bit

Bandwidth

160.0 GB/s

Performance

Pixel fillrate

23.14 GPixel/s

Texture fillrate

92.54 GTexel/s

FP16 (half) performance

2.961 TFLOPS (1:1)

FP32 (float) performance

2.961 TFLOPS

FP64 (double) performance

185.1 GFLOPS (1:16)

Clock Speeds

Memory Clock

1250 MHz
5 Gbps effective

GPU Clock

723 MHz

Render Config

Shading Units

2048

TMUs

128

ROPs

32

Compute Units

32

L1 Cache

16 KB (per CU)

L2 Cache

512 KB

Board Design

Slot Width

MXM Module

Thermal design power (TDP)

75 W

Display Connectors

No outputs

Power Connectors

None

Board Number

C608

API support

DirectX

12 (12_0)

OpenGL

4.6

OpenCL

2.0

Vulkan

1.2

Shader Model

6.3