AMD Mars

Mars

Mars S3 PRO

Mars M2 PRO

Mars M2 XT

Block Diagram

CU Diagram

LDS Diagram

AMD's Mars GPU uses the GCN 1.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 77 mm² and a transistor count of 950 million it is a very small chip. Mars supports DirectX 12 (Feature Level 11_1). For GPU compute applications, OpenCL version 2.1 (1.2) can be used. It features 384 shading units, 24 texture mapping units and 8 ROPs.

Further reading: GCN 1.0 Architecture Whitepaper

, Sea Islands Instruction Set Architecture

Graphics Processor

Released: Feb 2nd, 2013

GPU Name: Mars

Desktop Variant: Oland

Mobile Variant: Opal / Litho

Codename: Tiran

Generation: Sea Islands

Architecture: GCN 1.0

Foundry: TSMC

Process Size: 28 nm

Transistors: 950 million

Density: 12.3M / mm²

Die Size: 77 mm²

Package: FCBGA-631/962

Graphics Features

DirectX: 12 (11_1)

OpenGL: 4.6

OpenCL: 2.1 (1.2)

Vulkan: 1.2.170

Shader Model: 6.5 (5.1)

WDDM: 2.7

Compute: GFX6 (gfx601)

DCE: 6.4

UVD: 4.0

VCE: 1.0

CLRX: GCN 1.0.0

Render Config

Shading Units: 384

TMUs: 24

ROPs: 8

Compute Units: 6

ACEs: 2

GEs: 1

L1 Cache: 16 KB per CU

L2 Cache: 256 KB

Max. TDP: 45 W

All GCN 1.0 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 Mars GPU

Name	Chip	Memory	Shaders	TMUs	ROPs	Base Clock	Boost Clock	Memory Clock
AMD Radeon HD 8790M	Mars M2 XTX	2 GB	384	24	8	850 MHz	900 MHz	1000 MHz
AMD Radeon HD 8770M	Mars S3 XT	2 GB	384	24	8	775 MHz	825 MHz	1125 MHz
AMD Radeon HD 8730M	Mars S3 PRO	2 GB	384	24	8	650 MHz	700 MHz	900 MHz
AMD Radeon HD 8750M	Mars S3 XT	1024 MB	384	24	8	775 MHz	825 MHz	900 MHz
AMD Radeon HD 8670A	Mars M2 XT	1024 MB	384	24	8	600 MHz		1000 MHz
AMD Radeon HD 8530M	Mars S3 LE	1024 MB	320	16	8	650 MHz	700 MHz	900 MHz
AMD Radeon HD 8670M	Mars S3 XT	1024 MB	384	24	8	775 MHz	825 MHz	900 MHz
AMD FirePro M3100	Mars M2 LP	1024 MB	384	24	8	650 MHz	700 MHz	1000 MHz
AMD FirePro M4100	Mars M2 PRO/LP	2 GB	384	24	8	670 MHz		1000 MHz
AMD Radeon R5 M240 Rebrand	Mars M2 PRO	1024 MB	384	24	8	650 MHz	700 MHz	900 MHz
AMD FirePro W4170M	Mars M2 XTX	2 GB	384	24	8	825 MHz	900 MHz	1000 MHz
AMD Radeon HD 8750A	Mars M2 XT	1024 MB	384	24	8	600 MHz		1000 MHz
AMD FirePro W4150M		1024 MB	384	24	8	800 MHz	850 MHz	1000 MHz
AMD FirePro W4130M		1024 MB	384	24	8	775 MHz	825 MHz	1000 MHz
AMD Radeon HD 8730A	Mars M2 LP	1024 MB	384	24	8	650 MHz	700 MHz	1000 MHz
AMD Radeon HD 8750M	Mars M2 PRO/LP	1024 MB	384	24	8	670 MHz		1000 MHz

Mars GPU Notes

Generation: Sea Islands
Desktop Variant: Oland
Mobile Variant: Opal / Litho
Codename: Tiran
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.4
Unified Video Decoder: 4.0
Video Compression Engine: 1.0
CLRX: GCN 1.0

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