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AMD Opal

Default
Opal
Block Diagram
Block Diagram
CU Diagram
CU Diagram
LDS Diagram
LDS Diagram
AMD's Opal GPU uses the GCN 1.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 77 mm² and a transistor count of 950 million it is a very small chip. Opal supports DirectX 12 (Feature Level 11_1). It features 384 shading units, 24 texture mapping units and 8 ROPs.
Further reading: GCN 1.0 Architecture Whitepaper , Sea Islands Instruction Set Architecture

Graphics Processor

GPU Name
Opal
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
950 million
Density
12.3M / mm²
Die Size
77 mm²
Released
Oct 16th, 2013

Graphics Features

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2.131
Shader Model
5.1
Compute
GFX6
ROCm
No

Render Config

Shading Units
384
TMUs
24
ROPs
8
Compute Units
6
ACEs
2
GEs
1
L1 Cache
16 KB per CU
L2 Cache
256 KB
Max. TDP
35 W

All GCN 1.0 GPUs

AMD GPU Architecture History

Graphics cards using the AMD Opal GPU

Name Chip Memory Shaders TMUs ROPs Base Clock Boost Clock Memory Clock
AMD Radeon R7 M260X Opal PRO 1024 MB 384 24 8 620 MHz 715 MHz 1000 MHz
AMD Radeon R7 M265 Opal XT 2 GB 384 24 8 725 MHz 825 MHz 900 MHz
AMD Radeon R7 A265 Opal XT 2 GB 384 24 8 725 MHz 825 MHz 900 MHz
AMD Radeon R7 M270 Opal XT 2 GB 384 24 8 725 MHz 825 MHz 900 MHz
AMD Radeon R7 M350 Opal XT 2 GB 384 24 8 725 MHz 825 MHz 900 MHz
AMD Radeon R7 M340 Opal PRO 1024 MB 384 24 8 620 MHz 715 MHz 1000 MHz
AMD Radeon R7 A360 Opal XT 2 GB 384 24 8 725 MHz 825 MHz 900 MHz
AMD FirePro W4170M 2 GB 384 24 8 825 MHz 900 MHz 1000 MHz
AMD FirePro W4190M 2 GB 384 24 8 825 MHz 900 MHz 1000 MHz
AMD FirePro M4150 1024 MB 384 24 8 715 MHz 1000 MHz
AMD Radeon R7 M340 Opal PRO 1024 MB 384 24 8 620 MHz 715 MHz 1000 MHz

Opal GPU Notes

Architecture Codename: Sea Islands
Chip Variant: Oland
Codename: Tiran
CLRX Version: GCN 1.0
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.4
Unified Video Decoder: 4.0
Video Compression Engine: 1.0