Radeon HD 4850 and Radeon HD 8490 OEM - video card comparison

Radeon HD 4850

Radeon HD 8490 OEM

Architecture

Terascale 1 (2008−2010)

TeraScale 2 (2009−2015)

GPU code name

RV770

Caicos

Market segment

Desktop

Release date

June 2008

July 2013

Interface

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

None

Core clock speed

625 MHz

875 MHz

Floating-point performance

1,000.0 gflops

280.0 gflops

Manufacturing process technology

55 nm

40 nm

Number of transistors

956 million

370 million

Pipelines / CUDA cores

800

160

Power consumption (TDP)

110 Watt

35 Watt

Texture fill rate

25.00

7.000

Memory type

GDDR3

DDR3

Maximum RAM amount

512 MB

1 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

993 MHz

1800 MHz

Memory bandwidth

63.55 GB/s

14.4 GB/s

Display Connectors

2x DVI, 1x S-Video

1x DVI, 1x DisplayPort

DirectX

10.1 (10_1)

11.2 (11_0)

OpenCL

1.1

1.2

OpenGL

3.3

4.4

Shader Model

4.1

5.0

Vulkan

N/A