Radeon HD 8490 OEM and T400 4 GB - video card comparison

Radeon HD 8490 OEM

T400 4 GB

Architecture

TeraScale 2 (2009−2015)

Turing (2018−2021)

GPU code name

Caicos

TU117

Market segment

Desktop

Release date

July 2013

May 2021

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

None

Boost clock speed

1425 MHz

Core clock speed

875 MHz

Floating-point performance

280.0 gflops

Manufacturing process technology

40 nm

12 nm

Number of transistors

370 million

4,700 million

Pipelines / CUDA cores

160

384

Power consumption (TDP)

35 Watt

30 Watt

Texture fill rate

7.000

34.20

Memory type

DDR3

GDDR6

Maximum RAM amount

1 GB

4 GB

Memory bus width

64 Bit

Memory clock speed

1800 MHz

10 GB/s

Memory bandwidth

14.4 GB/s

80 GB/s

Display Connectors

1x DVI, 1x DisplayPort

3x mini-DisplayPort

DirectX

11.2 (11_0)

12 (12_1)

CUDA

7.5

OpenCL

1.2

3.0

OpenGL

4.4

4.6

Shader Model

5.0

6.6

Vulkan

N/A

1.2