AMD Radeon R9 M390X Full Specs

Summary

2,048 Shaders 723MHz

4GB GDDR5160GB/s

Peak·FP32·FP16 2.96 TFLOPS

Form Factor Soldered

TDP 125W

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth

Radeon R9 M390X2.96 TFLOPSFP32

x1

Top Score3.35 PFLOPS FP4 Tensor SparseDesktop1xGeForce RTX 5090

x1131.92

Theoretical Performance

Clock Speed723MHz UC·Boost·OC

Peak OPS 2.96 TFLOPSFP32

FP32 2.96 TFLOPS

FP64 185.1 GFLOPS

Pixel Rate 23.1 GPixel/s

Texture Rate 92.5 GTexel/s

Core Config

Shaders 2,048 Shaders

TMUs 128 TMUs

ROPs 32 ROPs

CUs 32 CUs

Clocks

Boost Clock 723MHz

Cache

L1 16KB/CU

L2 Cache 768KB shared

Memory

4GB GDDR5

Memory Bus 256-bit

Memory Speed 5GT/s

Memory Bandwidth 160GB/s

ECC No

Power & Thermals

TDP 125W

Video Output

Max Resolution 4096x2160

Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz

Multi-Monitor 3

Adaptive Sync FreeSync

DSC Not Supported

HDCP HDCP 1.4

API Support

Shader Model 6.5

DirectX DirectX 12 Direct3D 12_0

OpenGL 4.6 OpenCL 2.1 Vulkan 1.2

GFX 8

Encoder

Encoder VCE 3.0

Codec AVC (H.264) HEVC (H.265)

Decoder

Decoder UVD 5.0

Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor Soldered

PCIe PCIe 3.0 x16

Multi-GPU Multi-GPU Support Supported Multi-GPU Type CrossFire XDMA

Chip

Manufacturer AMD

Chip Designer AMD

Architecture GCN 3

Family Radeon R 300

Branding

Codename Tonga

Chip Variant Tonga Pro

Market Segment Laptop

Release Date May 5, 2015

Fabrication

Foundry TSMC

Fabrication Node 28nm

Die Size 359mm²

Transistor Count 5B

Transistor Density 13.93 MTr/mm²

Images