AMD Saturn

Saturn

Block Diagram

AMD's Saturn 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. Saturn 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 14th, 2013

GPU Name: Saturn

Desktop Variant: Bonaire / Tobago

Mobile Variant: Strato / 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

2023 CDNA 3.0
2022-2024 RDNA 3.0
2021 CDNA 2.0
2020 CDNA 1.0
2020-2023 RDNA 2.0
2019-2020 RDNA 1.0
2018-2022 GCN 5.1
2017-2020 GCN 5.0
2016-2020 GCN 4.0
2014-2019 GCN 3.0
2013-2017 GCN 2.0
2011-2020 GCN 1.0
2010-2013 TeraScale 3
2009-2015 TeraScale 2
2005-2013 TeraScale
2005-2007 Ultra-Threaded SE

Graphics cards using the AMD Saturn GPU

Name	Chip	Memory	Shaders	TMUs	ROPs	GPU Clock	Memory Clock
AMD FirePro M6100	Saturn XT GL	2 GB	768	48	16	1075 MHz	1375 MHz
AMD Radeon R9 M280X	Saturn XT	4 GB	896	56	16	900 MHz	1375 MHz
AMD Radeon R9 M270X	Saturn PRO	2 GB	768	48	16	900 MHz	1375 MHz
AMD Radeon E8870 PCIe	Saturn ES8870	4 GB	768	48	16	1000 MHz	1500 MHz
AMD Radeon R9 M280X	Saturn XT	2 GB	896	56	16	1000 MHz	1500 MHz
AMD Radeon HD 8950M	Saturn XT	2 GB	768	48	16	1075 MHz	1375 MHz
AMD Radeon E8870 MXM	Saturn ES8870	4 GB	768	48	16	1000 MHz	1500 MHz

Saturn GPU Notes

Generation: Sea Islands
Desktop Variant: Bonaire / Tobago
Mobile Variant: 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

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