Sapphire NITRO+ RX 590 GME Special Edition

Graphics Processor

Polaris 20

Cores

2304

TMUs

144

ROPs

Memory Size

8 GB

Memory Type

GDDR5

Bus Width

256 bit

GPU

Graphics Processor

GPU Name: Polaris 20

GPU Variant: Polaris 20 XTR
(215-0910066)

Architecture: GCN 4.0

Foundry: GlobalFoundries

Process Size: 14 nm

Transistors: 5,700 million

Density: 24.6M / mm²

Die Size: 232 mm²

Chip Package: BGA-1401

Graphics Card

Release Date: Mar 9th, 2020

Generation: Polaris
(RX 500)

Predecessor: Arctic Islands

Successor: Vega

Production: Active

Bus Interface: PCIe 3.0 x16

Clock Speeds

Base Clock: 1257 MHz

Boost Clock: ~~1420 MHz~~
1440 MHz (+1%)

Memory Clock: 2000 MHz
8 Gbps effective

Memory

Memory Size: 8 GB

Memory Type: GDDR5

Memory Bus: 256 bit

Bandwidth: 256.0 GB/s

Render Config

Shading Units: 2304

TMUs: 144

ROPs: 32

Compute Units: 36

L1 Cache: 16 KB (per CU)

L2 Cache: 2 MB

Theoretical Performance

Pixel Rate: ~~45.44 GPixel/s~~
46.08 GPixel/s

Texture Rate: ~~204.5 GTexel/s~~
207.4 GTexel/s

FP16 (half): ~~6.543 TFLOPS~~
6.636 TFLOPS (1:1)

FP32 (float): ~~6.543 TFLOPS~~
6.636 TFLOPS

FP64 (double): ~~409.0 GFLOPS~~
414.7 GFLOPS (1:16)

Board Design

Slot Width: Dual-slot

Length: ~~241 mm~~
260 mm
~~9.5 inches~~
10.2 inches

Width: 135 mm
5.3 inches

Height: 43 mm
1.7 inches

TDP: 175 W

Suggested PSU: 450 W

Outputs: 1x HDMI 2.0b
3x DisplayPort 1.4a
1x DVI
2x HDMI 2.0b
2x DisplayPort 1.4a

Power Connectors: 1x 8-pin

Board Number: C940

Graphics Features

DirectX: 12 (12_0)

OpenGL: 4.6

OpenCL: 2.1

Vulkan: 1.3

Shader Model: 6.7

Card Notes

Re-branded RX 580 XTR with different Device ID

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

Other retail boards based on this design (4)

Name	GPU Clock	Boost Clock	Memory Clock	Other Changes
ASRock Phantom Gaming RX 590 GME OC	1257 MHz	1385 MHz	2000 MHz	279 mm/11 inches
PowerColor Red Dragon RX 590 GME	1257 MHz	1420 MHz	2000 MHz	240 mm/9.4 inches, Triple-slot, 1x DVI 1x HDMI 3x DisplayPort
Sapphire NITRO+ RX 590 GME Special Edition	1257 MHz	1440 MHz	2000 MHz	260 mm/10.2 inches, 1x DVI 2x HDMI 2x DisplayPort
XFX RX 590 GME Black Wolf	1257 MHz	1460 MHz	2000 MHz	270 mm/10.6 inches, Triple-slot, 1x DVI 1x HDMI 3x DisplayPort