Radeon R9 390 X2 and T600 - video card comparison

Radeon R9 390 X2

T600

Architecture

GCN 2.0 (2013−2017)

Turing (2018−2021)

GPU code name

Grenada

TU117

Market segment

Desktop

Desktop

Release date

September 2015

April 2021

Interface

PCIe 3.0 x16

PCIe 3.0 x16

Supplementary power connectors

4x 8-pin

None

Boost clock speed

-

1335 MHz

Core clock speed

1000 MHz

735 MHz

Floating-point performance

2x 5,120 gflops

-

Manufacturing process technology

28 nm

12 nm

Number of transistors

6,200 million

4,700 million

Pipelines / CUDA cores

2560

640

Power consumption (TDP)

580 Watt

40 Watt

Texture fill rate

160.0

53.40

Memory type

GDDR5

GDDR6

Maximum RAM amount

8 GB

4 GB

Memory bus width

512 Bit

128 Bit

Memory clock speed

5400 MHz

10000 MHz

Memory bandwidth

345.6 GB/s

160.0 GB/s

Shared memory

-

-

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

4x mini-DisplayPort

HDMI

+

-

DirectX

12 (12_0)

12 (12_1)

CUDA

-

7.5

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.3

6.6

Vulkan

1.2.131

1.2