AMD Vega 20

Vega 20

Vega 20 XT

Block Diagram

CU Diagram

AMD's Vega 20 GPU uses the GCN 5.1 architecture and is made using a 7 nm production process at TSMC. With a die size of 331 mm² and a transistor count of 13,230 million it is a large chip. Vega 20 supports DirectX 12 (Feature Level 12_1). For GPU compute applications, OpenCL version 2.1 can be used. It features 4096 shading units, 256 texture mapping units and 64 ROPs.

Further reading: Vega Architecture Whitepaper

, Vega Instruction Set Architecture

Graphics Processor

Released: Nov 18th, 2018

GPU Name: Vega 20

Codename: Moonshot

Generation: Vega II

Architecture: GCN 5.1

Foundry: TSMC

Process Type: CLN7FF FinFET

Process Size: 7 nm

Transistors: 13,230 million

Density: 40.0M / mm²

Die Size: 331 mm²

Package: BGA-1933

Graphics Features

DirectX: 12 (12_1)

OpenGL: 4.6

OpenCL: 2.1

Vulkan: 1.3

Shader Model: 6.7

WDDM: 3.1

GC: 9.4.0

Shader ISA: GFX9 (gfx906)

DCE: 12.1

UVD: 7.2

VCE: 4.1

SDMA: 4.2.0

MP0: 11.0.2

CLRX: GCN 1.4.1

Render Config

Shading Units: 4096

TMUs: 256

ROPs: 64

Compute Units: 64

ACEs: 4

HWSs: 2

GEs: 4

L1 Cache: 16 KB per CU

L2 Cache: 4096 KB

Max. TDP: 475 W

All GCN 5.1 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 Vega 20 GPU

Name	Chip	Memory	Shaders	TMUs	ROPs	Base Clock	Boost Clock	Memory Clock
AMD Radeon Instinct MI60	Vega 20 GL	32 GB	4096	256	64	1200 MHz	1800 MHz	1000 MHz
AMD Radeon Pro Vega II Duo	Vega 20 XT	32 GB	4096	256	64	1400 MHz	1720 MHz	1000 MHz
AMD Radeon Instinct MI50	Vega 20 GLXT	16 GB	3840	240	64	1200 MHz	1746 MHz	1000 MHz
AMD Radeon VII	Vega 20 XT	16 GB	3840	240	64	1400 MHz	1750 MHz	1000 MHz
AMD Radeon Pro Vega II	Vega 20 XT	32 GB	4096	256	64	1574 MHz	1720 MHz	806 MHz
AMD Radeon Pro VII	Vega 20 GLXT WS	16 GB	3840	240	64	1400 MHz	1700 MHz	1000 MHz
AMD Radeon Pro V420	Vega 20 GLXT WS	32 GB	4096	256	64	800 MHz	1700 MHz	800 MHz

Vega 20 GPU Notes

Generation: Vega II
Codename: Moonshot
Old Codename: Aruba
Graphics/Compute: 9.4.0
Shader ISA: GFX9 (gfx906 / gfx907)
Display Core Engine: 12.1
Unified Video Decoder: 7.2
Video Compression Engine: 4.1
System DMA: 4.2.0
Platform Security Processor: 11.0.2
CLRX: GCN 1.4.1

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