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AMD Tobago

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Tobago
Tobago PRO
Tobago PRO
Block Diagram
Block Diagram
AMD's Tobago GPU uses the GCN 2.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 160 mm² and a transistor count of 2,080 million it is a small chip. Tobago supports DirectX 12 (Feature Level 12_0). For GPU compute applications, OpenCL version 2.1 can be used. It features 896 shading units, 56 texture mapping units and 16 ROPs.
Further reading: Sea Islands Instruction Set Architecture

Graphics Processor

Released
May 5th, 2015
GPU Name
Tobago
Desktop Variant
Bonaire
Mobile Variant
Saturn / Strato
Mobile Variant 2
Emerald
Generation
Sea Islands
Architecture
GCN 2.0
Foundry
TSMC
Process Size
28 nm
Transistors
2,080 million
Density
13.0M / mm²
Die Size
160 mm²
Package
FCBGA-1093

Graphics Features

DirectX
12 (12_0)
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2.170
Shader Model
6.5
WDDM
2.7
Compute
GFX7 (gfx704)
DCE
8.2
UVD
4.2
VCE
2.0
SDMA
1.0.0
CLRX
GCN 1.1.0

Render Config

Shading Units
896
TMUs
56
ROPs
16
Compute Units
14
Z-Stencil
64
ACEs
2
GEs
2
L1 Cache
16 KB per CU
L2 Cache
256 KB
Max. TDP
100 W

All GCN 2.0 GPUs

AMD GPU Architecture History

Graphics cards using the AMD Tobago GPU

Name Chip Memory Shaders TMUs ROPs Base Clock Boost Clock Memory Clock
AMD Radeon R9 360 OEM
Tobago PRO 2 GB 768 48 16 1000 MHz 1050 MHz 1625 MHz
AMD Radeon R7 360
Tobago PRO 2 GB 768 48 16 1000 MHz 1050 MHz 1500 MHz
AMD Radeon R7 360 896SP
Tobago XT 2 GB 896 56 16 1100 MHz 1500 MHz
AMD Radeon R7 360E
Tobago PRO 2 GB 768 48 16 1050 MHz 1500 MHz
AMD Radeon RX 455 OEM
Tobago PRO 2 GB 768 48 16 1050 MHz 1625 MHz

Tobago GPU Notes

Generation: Sea Islands
Desktop Variant: Bonaire
Mobile Variant: Saturn / Strato / Emerald
Graphics/Compute: GFX7 (gfx704)
Display Core Engine: 8.2
Unified Video Decoder: 4.2
Video Compression Engine: 2.0
System DMA: 1.0.0
CLRX: GCN 1.1.0
Apr 23rd, 2024 09:33 EDT change timezone

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