Radeon HD 4870 and GeForce GT 630 OEM - video card comparison

Radeon HD 4870

GeForce GT 630 OEM

Architecture

TeraScale (2005−2013)

Kepler (2012−2018)

GPU code name

RV770

GK107

Market segment

Desktop

Release date

June 2008

April 2012

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

None

Core clock speed

750 MHz

875 MHz

Floating-point performance

1,200.0 gflops

336.0 gflops

Manufacturing process technology

55 nm

28 nm

Number of transistors

956 million

1,270 million

Pipelines / CUDA cores

800

192

Power consumption (TDP)

150 Watt

50 Watt

Texture fill rate

30.00

14.00

Memory type

GDDR5

DDR3

Maximum RAM amount

1 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

3600 MHz

1782 MHz

Memory bandwidth

115.2 GB/s

28.51 GB/s

Display Connectors

2x DVI, 1x S-Video

1x DVI, 1x HDMI, 1x VGA

HDMI

DirectX

10.1 (10_1)

12 (11_0)

CUDA

3.0

OpenCL

1.1

1.2

OpenGL

3.3

4.6

Shader Model

4.1

5.1

Vulkan

N/A

1.1.126