Radeon HD 4870 X2 and GeForce GTX 480 Core 512 - video card comparison

Radeon HD 4870 X2

GeForce GTX 480 Core 512

Architecture

TeraScale (2005−2013)

Fermi (2010−2014)

GPU code name

R700

GF100

Market segment

Desktop

Release date

August 2008

Interface

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

2x 8-pin

Core clock speed

700 MHz

527 MHz

Floating-point performance

2x 1,120.0 gflops

Manufacturing process technology

55 nm

40 nm

Number of transistors

956 million

3,100 million

Pipelines / CUDA cores

800

512

Power consumption (TDP)

286 Watt

375 Watt

Texture fill rate

28.00

33.73

Memory type

GDDR5

Maximum RAM amount

1 GB

1536 MB

Memory bus width

256 Bit

384 Bit

Memory clock speed

3600 MHz

2.8 GB/s

Memory bandwidth

115.2 GB/s

134.4 GB/s

Display Connectors

2x DVI, 1x S-Video

2x DVI, 1x mini-HDMI 1.3a

HDMI

DirectX

10.1 (10_1)

12 (11_0)

CUDA

2.0

OpenCL

1.1

OpenGL

3.3

4.6

Shader Model

4.1

5.1

Vulkan

N/A