AMD Venus

Venus

Venus MCM

Block Diagram

CU Diagram

LDS Diagram

AMD's Venus GPU uses the GCN 1.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 123 mm² and a transistor count of 1,500 million it is a small chip. Venus supports DirectX 12 (Feature Level 11_1). For GPU compute applications, OpenCL version 2.1 (1.2) can be used. It features 640 shading units, 40 texture mapping units and 16 ROPs.

Further reading: GCN 1.0 Architecture Whitepaper

, Southern Islands Instruction Set Architecture

Graphics Processor

Released: Apr 1st, 2013

GPU Name: Venus

Desktop Variant: Cape Verde

Mobile Variant: Chelsea / Heathrow

Mobile Variant 2: Tropo

Generation: Southern Islands

Architecture: GCN 1.0

Foundry: TSMC

Process Size: 28 nm

Transistors: 1,500 million

Density: 12.2M / mm²

Die Size: 123 mm²

Package: FCBGA-962

Package Size: 37.5mm × 37.5mm

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: 6.0

UVD: 4.0

VCE: 1.0

CLRX: GCN 1.0.0

Render Config

Shading Units: 640

TMUs: 40

ROPs: 16

Compute Units: 10

Z-Stencil: 64

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 Venus GPU

Name	Chip	Memory	Shaders	TMUs	ROPs	Base Clock	Boost Clock	Memory Clock
AMD Radeon HD 8830M	Venus LE	2 GB	640	40	16	575 MHz	625 MHz	1000 MHz
AMD Radeon HD 8850M	Venus PRO	2 GB	640	40	16	575 MHz	625 MHz	1000 MHz
AMD Radeon HD 8870M	Venus XT	2 GB	640	40	16	725 MHz	775 MHz	1125 MHz
AMD Radeon R9 M270X	Venus XT	2 GB	640	40	16	725 MHz	775 MHz	1000 MHz
AMD FirePro S4000X	Venus XT	2 GB	640	40	16	725 MHz	775 MHz	1125 MHz
AMD FirePro M5100	Venus XT	2 GB	640	40	16	725 MHz	775 MHz	1125 MHz
AMD Radeon E8860	Venus MCM	2 GB	640	40	16	575 MHz	625 MHz	1125 MHz
AMD Radeon R9 M275	Venus XTX	2 GB	640	40	16	900 MHz	925 MHz	1000 MHz
AMD Radeon R9 M265X	Venus PRO	2 GB	640	40	16	575 MHz	625 MHz	1000 MHz
AMD Radeon R9 M275X	Venus XTX	2 GB	640	40	16	900 MHz	925 MHz	1125 MHz
AMD Radeon R9 A375	Venus XTX	2 GB	640	40	16	1015 MHz		1125 MHz

Venus GPU Notes

Generation: Southern Islands
Desktop Variant: Cape Verde
Mobile Variant: Chelsea / Heathrow / Tropo
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0
CLRX: GCN 1.0

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