AMD Radeon R9 285 vs AMD Radeon RX Vega M GH

Table of Contents

Graphics Processor

GPU model Tonga Polaris 22
GPU variant Tonga PRO (215-0851128) VegaM XT (C7398773)
Architecture GCN 3.0 GCN 4.0
Foundry TSMC GlobalFoundries
Manufacturing process 28 nm 14 nm
Number of transistors 5,000 million 5,000 million
Die size 366 mm² 208 mm²

Graphics Card

Release date Sep 2nd, 2014
Generation Volcanic Islands
Production End-of-life
Launch price 249 USD
Interface PCIe 3.0 x16
Reviews 59 in our database
Predecessor Sea Islands
Successor Pirate Islands

Clocks

GPU clock 918 MHz
Memory clock 1375 MHz 5.5 Gbps effective 800 MHz 1600 Mbps effective
Base clock 1063 MHz
Boost clock 1190 MHz

Memory Configuration

Memory size 2 GB 4 GB
Memory type GDDR5 HBM2
Memory bus width 256 bit 1024 bit
Bandwidth 176.0 GB/s 204.8 GB/s

Render Configuration

Shading units 1792 1536
TMUs 112 96
ROPs 32 64
Compute units 28 24
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 512 KB 1024 KB

Performance

Pixel rate 29.38 GPixel/s 76.16 GPixel/s
Texture rate 102.8 GTexel/s 114.2 GTexel/s
FP16 (half) performance 3.290 TFLOPS (1:1) 3.656 TFLOPS (1:1)
FP32 (float) performance 3.290 TFLOPS 3.656 TFLOPS
FP64 (double) performance 205.6 GFLOPS (1:16) 228.5 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot IGP
Length 221 mm 8.7 inches
Width 109 mm 4.3 inches
Height 36 mm 1.4 inches
TDP 190 W 100 W
Suggested PSU 450 W
Outputs 2x DVI1x HDMI1x DisplayPort No outputs
Power connectors 2x 6-pin
Board number C766

API Support & Features

DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan 1.2 1.2
Shader model 6.3 6.4

Other Features

Mobile graphics

Release date Feb 1st, 2018
Generation Vega (Vega M)
Production Active
Interface IGP

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