Radeon HD 8490 OEM and GeForce GTX 490 - video card comparison

Radeon HD 8490 OEM

GeForce GTX 490

Architecture

TeraScale 2 (2009−2015)

Fermi (2010−2014)

GPU code name

Caicos

GF100

Market segment

Desktop

Release date

July 2013

Interface

PCIe 2.0 x16

Supplementary power connectors

None

2x 8-pin

Core clock speed

875 MHz

608 MHz

Floating-point performance

280.0 gflops

Manufacturing process technology

40 nm

Number of transistors

370 million

3,100 million

Pipelines / CUDA cores

160

480

Power consumption (TDP)

35 Watt

365 Watt

Texture fill rate

7.000

36.48

Memory type

DDR3

GDDR5

Maximum RAM amount

1 GB

1536 MB

Memory bus width

64 Bit

384 Bit

Memory clock speed

1800 MHz

3.4 GB/s

Memory bandwidth

14.4 GB/s

164.0 GB/s

Display Connectors

1x DVI, 1x DisplayPort

3x DVI, 1x mini-DisplayPort

DirectX

11.2 (11_0)

12 (11_0)

CUDA

2.0

OpenCL

1.2

1.1

OpenGL

4.4

4.6

Shader Model

5.0

5.1

Vulkan

N/A