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AMD Polaris 20

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Polaris 20
Polaris 20 XTR
Polaris 20 XTR
Die Shot
Fritzchens Fritz
Die Shot
Block Diagram
Block Diagram
AMD's Polaris 20 GPU uses the GCN 4.0 architecture and is made using a 14 nm production process at GlobalFoundries. With a die size of 232 mm² and a transistor count of 5,700 million it is a medium-sized chip. Polaris 20 supports DirectX 12 (Feature Level 12_0). For GPU compute applications, OpenCL version 2.1 can be used. It features 2304 shading units, 144 texture mapping units and 32 ROPs.
Further reading: Polaris Architecture Whitepaper

Graphics Processor

Released
Apr 18th, 2017
GPU Name
Polaris 20
Codename
Ellesmere
Generation
Arctic Islands/Polaris
Architecture
GCN 4.0
Foundry
GlobalFoundries
Process Size
14 nm
Transistors
5,700 million
Density
24.6M / mm²
Die Size
232 mm²
Package
BGA-1401

Graphics Features

DirectX
12 (12_0)
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
Shader Model
6.7
WDDM
3.1
Compute
GFX8 (gfx803)
DCE
11.2
UVD
6.3
VCE
3.4
SDMA
3.0.0
CLRX
GCN 1.2.0

Render Config

Shading Units
2304
TMUs
144
ROPs
32
Compute Units
36
ACEs
4
HWSs
2
SEs
4
L1 Cache
16 KB per CU
L2 Cache
2048 KB
Max. TDP
185 W

All GCN 4.0 GPUs

AMD GPU Architecture History

Graphics cards using the AMD Polaris 20 GPU

Name Chip Memory Shaders TMUs ROPs Base Clock Boost Clock Memory Clock
AMD Radeon RX 580
Polaris 20 XTX 8 GB 2304 144 32 1257 MHz 1340 MHz 2000 MHz
AMD Radeon RX 570
Polaris 20 XL 4 GB 2048 128 32 1168 MHz 1244 MHz 1750 MHz
AMD Radeon RX 580 Mobile
Polaris 20M XT 8 GB 2304 144 32 1000 MHz 1077 MHz 2000 MHz
AMD Radeon RX 580X
Polaris 20 XTX 8 GB 2304 144 32 1257 MHz 1340 MHz 2000 MHz
AMD Radeon RX 570X
Polaris 20 XL 8 GB 2048 128 32 1168 MHz 1244 MHz 1750 MHz
AMD Radeon RX 580X Mobile
Polaris 20M XT 8 GB 2304 144 32 1266 MHz 2000 MHz
AMD Radeon RX 580 2048SP
Polaris 20 XL 4 GB 2048 128 32 1168 MHz 1284 MHz 1750 MHz
AMD Radeon RX 580G
Polaris 20 XTX 8 GB 2304 144 32 1257 MHz 1330 MHz 2000 MHz
AMD Radeon RX 590 GME
Polaris 20 XTR 8 GB 2304 144 32 1257 MHz 1420 MHz 2000 MHz
AMD Radeon RX 570 X2
Polaris 20 XL 8 GB 2048 128 32 1120 MHz 1206 MHz 2100 MHz
AMD P30PH
4 GB 2048 128 32 1120 MHz 1206 MHz 2100 MHz

Polaris 20 GPU Notes

Generation: Polaris
Codename: Ellesmere
Graphics/Compute: GFX8 (gfx803)
Display Core Engine: 11.2
Unified Video Decoder: 6.3
Video Compression Engine: 3.4
System DMA: 3.0.0
CLRX: GCN 1.2.0

Latest Drivers:
Windows 7:
64-bit: AMD Software: Adrenalin Edition 22.6.1
64-bit: Radeon™ Pro Software for Enterprise 21.Q1.1

Windows 8.1:
64-bit: Radeon Software: Crimson ReLive Edition 17.4.4 / 17.7.1

Windows 10 / 11:
64-bit: AMD Software: Adrenalin Edition 24.3.1 (23.19.12)
64-bit: AMD Software: PRO Edition 22.Q4
Jul 15th, 2025 09:18 CDT change timezone

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