GPU model : Polaris 20 XT (X / R) (Polaris 10/20)

Architecture : AMD GCN 4.0 (Polaris)

Fabrication process : 14 nautical miles

Matrix sizeB: 232 mm 2

Transistor count : 5.7B

Transistor density : 24.6 M TRAN / mm 2

Stream processors : 2304

Calculate units : 36

TMU : 144

ROP : 32

Clocks

Base clock : 1256 MHz

Boost the clock : 1340 MHz

Memory clock : 2000 MHz

Effective memory clock : 8000 Mbps

Memory configuration

Memory size : 8192 MB

Memory type : GDDR5

Memory bus width : 256 bits

memory bandwidth : 256.0 GB / s

Physical

Interface

PCI-Express : 3.0 x16

Power connectors : 1 × 8 pin

TDP / TBP : 185 W

Recommended PSU : 500 watts

Multi-GPU support : 4 ways

Screen outputs

DVI-D DualLink : 1 ×

DisplayPort : 3 ×

HDMI : 1 ×

API support

Directx : 12.0

volcano : 1.0

Opengl: 4.5

OpenCL : 2.1

Performance

Pixel fill rate : 42.9 G Pixels / s

Texture fill rate : 193 G Texel / s

Peak FP32 : 6.2 T FLOPS

FP32 Perf. by Watt : 33.4 G FLOPS / W

FP32 Perf. per mm 2 : 26.6 G FLOPS / mm 2