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AMD Topaz

Default
Topaz
Topaz PRO
Topaz PRO
Topaz XT
Topaz XT
AMD's Topaz GPU uses the GCN 3.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 125 mm² and a transistor count of 1,550 million it is a small chip. Topaz supports DirectX 12.0 (Feature Level 12_0). It features 384 shading units, 24 texture mapping units and 8 ROPs.
Further reading: GCN 3.0 Instruction Set Architecture

Graphics Processor

GPU Name
Topaz
Architecture
GCN 3.0
Foundry
TSMC
Process Size
28 nm
Transistors
1,550 million
Density
12.4M / mm²
Die Size
125 mm²
Released
2014

Graphics Features

DirectX
12.0 (12_0)
OpenGL
4.6
OpenCL
2.0
Vulkan
1.1.119
Shader Model
6.3
Compute
GFX8
ROCm
No

Render Config

Shading Units
384
TMUs
24
ROPs
8
Compute Units
6
L1 Cache
16 KB per CU
L2 Cache
256 KB

All GCN 3.0 GPUs

Graphics cards using the AMD Topaz GPU

Name Chip Memory Shaders TMUs ROPs Base Clock Boost Clock Memory Clock
AMD Radeon R7 M265 Topaz XT 2 GB 384 24 8 900 MHz 980 MHz 900 MHz
AMD Radeon R5 M255 Topaz PRO 1024 MB 384 24 8 925 MHz 940 MHz 1000 MHz
AMD Radeon R7 M260 Topaz XT 2 GB 384 24 8 940 MHz 980 MHz 900 MHz
AMD Radeon R7 M270DX Topaz XT System Shared 384 24 8 900 MHz 940 MHz System Shared
AMD Radeon R7 M265DX Topaz XT System Shared 384 24 8 900 MHz 940 MHz System Shared
AMD Radeon R6 M255DX Topaz PRO System Shared 384 24 8 925 MHz 940 MHz System Shared
AMD Radeon R7 M260DX Topaz PRO System Shared 384 24 8 925 MHz 940 MHz System Shared
AMD Radeon R7 M265DX Topaz PRO System Shared 384 24 8 925 MHz 940 MHz System Shared
AMD Radeon R7 A260 Topaz XT 1024 MB 384 24 8 900 MHz 980 MHz 900 MHz
AMD Radeon R5 A255 Topaz PRO 1024 MB 384 24 8 925 MHz 940 MHz 1000 MHz
AMD Radeon R7 M465 Topaz XT 2 GB 384 24 8 1100 MHz 1125 MHz 900 MHz

Topaz GPU Notes

Architecture Codename: Volcanic Islands
Chip Variant: Iceland
CLRX Version: GCN 1.2
Graphics/Compute: GFX8 (gfx802)
Display Core Engine: No Support
Unified Video Decoder: No Support
Video Compression Engine: No Support