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AMD Amethyst

Default
Amethyst
E8950
E8950
Block Diagram
Block Diagram
AMD's Amethyst GPU uses the GCN 3.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 366 mm² and a transistor count of 5,000 million it is a large chip. Amethyst supports DirectX 12.0 (Feature Level 12_0). It features 2048 shading units, 128 texture mapping units and 32 ROPs.
Further reading: GCN 3.0 Instruction Set Architecture

Graphics Processor

GPU Name
Amethyst
Architecture
GCN 3.0
Foundry
TSMC
Process Size
28 nm
Transistors
5,000 million
Density
13.7M / mm²
Die Size
366 mm²
Released
Nov 23rd, 2014

Graphics Features

DirectX
12.0 (12_0)
OpenGL
4.6
OpenCL
2.0
Vulkan
1.1.101
Shader Model
6.0
Compute
GFX8
ROCm
Yes

Render Config

Shading Units
2048
TMUs
128
ROPs
32
Compute Units
32
Z-Stencil
128
ACEs
8
SEs
4
L1 Cache
16 KB per CU
L2 Cache
512 KB
Max. TDP
250 W

All GCN 3.0 GPUs

Graphics cards using the AMD Amethyst GPU

Name Chip Memory Shaders TMUs ROPs GPU Clock Memory Clock
AMD Radeon R9 M295X Mac Edition Amethyst XT 4 GB 2048 128 32 850 MHz 1362 MHz
AMD Radeon R9 M295X Amethyst XT 4 GB 2048 128 32 723 MHz 1250 MHz
AMD Radeon R9 M390X Amethyst XT 4 GB 2048 128 32 723 MHz 1250 MHz
AMD Radeon R9 M395X Amethyst XT 8 GB 2048 128 32 723 MHz 1250 MHz
AMD Radeon E8950 E8950 8 GB 2048 128 32 735 MHz 1500 MHz
AMD FirePro W7170M Amethyst XT 4 GB 2048 128 32 723 MHz 1250 MHz
AMD Radeon R9 M395X Mac Edition Amethyst XT 4 GB 2048 128 32 909 MHz 1365 MHz
AMD Radeon R9 M485X Amethyst XT 8 GB 2048 128 32 723 MHz 1250 MHz
AMD FirePro S7100X Amethyst XT 8 GB 2048 128 32 725 MHz 1250 MHz

Amethyst GPU Notes

Architecture Codename: Volcanic Islands
Chip Variant: Tonga
CLRX Version: GCN 1.2
Graphics/Compute: GFX8 (gfx802)
Display Core Engine: 10.0
Unified Video Decoder: 5.0
Video Compression Engine: 3.0