Radeon R9 390 X2 and Graphics Ultra Pro - video card comparison

Radeon R9 390 X2

Graphics Ultra Pro

Architecture

GCN 2.0 (2013−2017)

GPU code name

Grenada

Mach32

Market segment

Desktop

Release date

September 2015

January 1993

Interface

PCIe 3.0 x16

VLB

Supplementary power connectors

4x 8-pin

Core clock speed

1000 MHz

10 MHz

Floating-point performance

2x 5,120 gflops

Manufacturing process technology

28 nm

800 nm

Number of transistors

6,200 million

Pipelines / CUDA cores

2560

Power consumption (TDP)

580 Watt

Texture fill rate

160.0

Memory type

GDDR5

VRAM

Maximum RAM amount

8 GB

1 MB

Memory bus width

512 Bit

64 Bit

Memory clock speed

5400 MHz

10 MHz

Memory bandwidth

345.6 GB/s

80.0 MB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

1x VGA

HDMI

DirectX

12 (12_0)

None

OpenCL

2.0

None

OpenGL

4.6

None

Shader Model

6.3

Vulkan

1.2.131