AMD Curacao
Curacao
Curacao PRO
Curacao XT
Block Diagram
CU 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 (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
, 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 (11_1)
- OpenGL
- 4.6
- OpenCL
- 1.2
- Vulkan
- 1.2.131
- 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
AMD GPU Architecture History
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 |