Radeon HD 4870 and Radeon HD 7470A - video card comparison

Radeon HD 4870

Radeon HD 7470A

Architecture

TeraScale (2005−2013)

TeraScale 2 (2009−2015)

GPU code name

RV770

Caicos

Market segment

Desktop

Release date

June 2008

January 2012

Interface

PCIe 2.0 x16

MXM-A (3.0)

Supplementary power connectors

2x 6-pin

Core clock speed

750 MHz

625 MHz

Floating-point performance

1,200.0 gflops

200.0 gflops

Manufacturing process technology

55 nm

40 nm

Number of transistors

956 million

370 million

Pipelines / CUDA cores

800

160

Power consumption (TDP)

150 Watt

25 Watt

Texture fill rate

30.00

5.000

Memory type

GDDR5

GDDR3

Maximum RAM amount

1 GB

512 MB

Memory bus width

256 Bit

64 Bit

Memory clock speed

3600 MHz

1600 MHz

Memory bandwidth

115.2 GB/s

12.8 GB/s

Display Connectors

2x DVI, 1x S-Video

No outputs

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