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AMD Tahiti

Default
Tahiti
Tahiti LE
Tahiti LE
Tahiti PRO
Tahiti PRO
Tahiti XT2
Tahiti XT2
Tahiti XT
Tahiti XT
Tahiti XTL
Tahiti XTL
Die Shot
Fritzchens Fritz
Die Shot
Block Diagram
Block Diagram
CU Diagram
CU Diagram
LDS Diagram
LDS Diagram
AMD's Tahiti GPU uses the GCN 1.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 352 mm² and a transistor count of 4,313 million it is a large chip. Tahiti supports DirectX 12 (Feature Level 11_1). For GPU compute applications, OpenCL version 1.2 can be used. It features 2048 shading units, 128 texture mapping units and 32 ROPs.
Further reading: GCN 1.0 Architecture Whitepaper , Southern Islands Instruction Set Architecture

Graphics Processor

GPU Name
Tahiti
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
4,313 million
Density
12.3M / mm²
Die Size
352 mm²
Released
Dec 22nd, 2011

Graphics Features

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

Render Config

Shading Units
2048
TMUs
128
ROPs
32
Compute Units
32
Z-Stencil
128
ACEs
2
GEs
2
L1 Cache
16 KB per CU
L2 Cache
768 KB
Max. TDP
375 W

All GCN 1.0 GPUs

AMD GPU Architecture History

Graphics cards using the AMD Tahiti GPU

Name Chip Memory Shaders TMUs ROPs GPU Clock Memory Clock
AMD Radeon HD 7970 Tahiti XT 3 GB 2048 128 32 925 MHz 1375 MHz
AMD Radeon HD 7950 Tahiti PRO 3 GB 1792 112 32 800 MHz 1250 MHz
AMD Radeon HD 7970 GHz Edition Tahiti XT2 3 GB 2048 128 32 1000 MHz 1500 MHz
AMD FirePro W9000 Tahiti XT GL 6 GB 2048 128 32 975 MHz 1375 MHz
AMD FirePro W8000 Tahiti PRO GL 4 GB 1792 112 32 900 MHz 1375 MHz
AMD FirePro S10000 Zaphod 3 GB 1792 112 32 825 MHz 1250 MHz
AMD Radeon HD 7950 Boost Tahiti PRO2 3 GB 1792 112 32 850 MHz 1250 MHz
AMD Radeon HD 7870 XT Tahiti LE 2 GB 1536 96 32 925 MHz 1500 MHz
AMD FirePro S9000 Tahiti PRO GL 6 GB 1792 112 32 900 MHz 1375 MHz
AMD Radeon HD 8950 OEM Tahiti PRO 3 GB 1792 112 32 850 MHz 1250 MHz
AMD Radeon HD 8970 OEM Tahiti XT 3 GB 2048 128 32 925 MHz 1375 MHz
AMD Radeon HD 7950 Mac Edition Tahiti PRO 3 GB 1792 112 32 800 MHz 1250 MHz
AMD Radeon Sky 900 Orthrus 3 GB 1792 112 32 825 MHz 1250 MHz
AMD Radeon Sky 700 Tahiti PRO GL 6 GB 1792 112 32 900 MHz 1375 MHz
AMD Radeon R9 280X Tahiti XTL 3 GB 2048 128 32 850 MHz 1500 MHz
AMD Radeon R9 280 Tahiti PRO3 3 GB 1792 112 32 827 MHz 1250 MHz
AMD FirePro S10000 Passive Tahiti PRO GL 3 GB 1792 112 32 825 MHz 1250 MHz
AMD FirePro S10000 Passive 12GB Orthrus 6 GB 1792 112 32 825 MHz 1250 MHz
AMD FirePro D700 Tahiti XT GL 6 GB 2048 128 32 850 MHz 1370 MHz
AMD FirePro D500 Tahiti LE GL 3 GB 1536 96 32 725 MHz 1270 MHz
AMD FirePro S9050 Tahiti PRO GL 12 GB 1792 112 32 900 MHz 1375 MHz
AMD Radeon HD 7950 Monica BIOS 1 Tahiti PRO 3 GB 1536 96 32 925 MHz 1250 MHz
AMD Radeon HD 7950 Monica BIOS 2 Tahiti PRO 3 GB 768 48 32 800 MHz 1250 MHz
AMD FirePro S9010 Tahiti PRO 3 GB 1792 112 32 800 MHz 1250 MHz
AMD Radeon R9 280X2 Tahiti XTL 3 GB 2048 128 32 950 MHz 1500 MHz

Tahiti GPU Notes

Architecture Codename: Southern Islands
CLRX Version: GCN 1.0
Graphics/Compute: GFX6 (gfx600)
Display Core Engine: 6.0
Unified Video Decoder: 3.2
Video Compression Engine: 1.0

Exact Transistor Count: 4,312,711,873