GPU Name

Polaris 20

GPU Variant

Polaris 20 XL
(215-0910052)

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

Release Date

Apr 18th, 2017

Generation

Polaris
(RX 500)

Predecessor

Arctic Islands

Successor

Vega

Production

Active

Bus Interface

PCIe 3.0 x16

Base Clock

1168 MHz

Boost Clock

1244 MHz
1256 MHz (+1%)

Memory Clock

1750 MHz
7 Gbps effective

Memory Size

8 GB

Memory Type

GDDR5

Memory Bus

256 bit

Bandwidth

224.0 GB/s

Shading Units

2048

TMUs

128

ROPs

32

Compute Units

32

L1 Cache

16 KB (per CU)

L2 Cache

2 MB

Pixel Rate

39.81 GPixel/s
40.19 GPixel/s

Texture Rate

159.2 GTexel/s
160.8 GTexel/s

FP16 (half)

5.095 TFLOPS
5.145 TFLOPS (1:1)

FP32 (float)

5.095 TFLOPS
5.145 TFLOPS

FP64 (double)

318.5 GFLOPS
321.5 GFLOPS (1:16)

Slot Width

Dual-slot

Length

241 mm
239 mm
9.5 inches
9.4 inches

TDP

150 W

Suggested PSU

450 W

Outputs

1x DVI
1x HDMI 2.0b
3x DisplayPort 1.4a
DVI
HDMI 2.0b
DisplayPort 1.4a

Power Connectors

1x 6-pin

Board Number

C940,
D000

DirectX

12 (12_0)

OpenGL

4.6

OpenCL

2.1

Vulkan

1.3

Shader Model

6.7

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