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AMD Curacao

Default
Curacao
Curacao PRO
Curacao PRO
Curacao XT
Curacao XT
Block Diagram
Block Diagram
CU Diagram
CU Diagram
LDS Diagram
LDS Diagram
AMD's Curacao GPU uses the GCN 1.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 212 mm² and a transistor count of 2,800 million it is a medium-sized chip. Curacao supports DirectX 12.0 (Feature Level 11_1). It features 1280 shading units, 80 texture mapping units and 32 ROPs.
Further reading: GCN 1.0 Architecture Whitepaper, Southern Islands Instruction Set Architecture

Graphics Processor

GPU Name
Curacao
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
2,800 million
Density
13.2M / mm²
Die Size
212 mm²
Released
Jan 8th, 2013

Graphics Features

DirectX
12.0 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.101
Shader Model
5.1
Compute
GFX6
ROCm
No

Render Config

Shading Units
1280
TMUs
80
ROPs
32
Compute Units
20
Z-Stencil
128
ACEs
2
GEs
2
L1 Cache
16 KB per CU
L2 Cache
512 KB
Max. TDP
180 W

All GCN 1.0 GPUs

Graphics cards using the AMD Curacao GPU

Name Chip Memory Shaders TMUs ROPs GPU Clock Memory Clock
AMD Radeon HD 8860 OEM Curacao PRO 2 GB 1280 80 32 925 MHz 1400 MHz
AMD Radeon R9 270 Curacao PRO 2 GB 1280 80 32 900 MHz 1400 MHz
AMD Radeon R9 270X Curacao XT 2 GB 1280 80 32 1000 MHz 1400 MHz
AMD Radeon R7 265X OEM Curacao PRO 2 GB 1280 80 32 900 MHz 1400 MHz

Curacao GPU Notes

Architecture Codename: Southern Islands
Chip Variant: Pitcairn
CLRX Version: GCN 1.0
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0