GeForce GT 640 and Radeon HD 7470 OEM - video card comparison

GeForce GT 640

Radeon HD 7470 OEM

Architecture

Kepler (2012−2018)

TeraScale 2 (2009−2015)

GPU code name

GK107

Caicos

Market segment

Desktop

Release date

June 2012

January 2012

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

None

Core clock speed

902 MHz

750 MHz

Floating-point performance

692.7 gflops

240.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,270 million

370 million

Pipelines / CUDA cores

384

160

Power consumption (TDP)

65 Watt

27 Watt

Texture fill rate

28.86

6.000

Memory type

DDR3

GDDR5

Maximum RAM amount

2 GB

1 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

1782 MHz

3600 MHz

Memory bandwidth

28.51 GB/s

28.8 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x DisplayPort

1x DVI, 1x DisplayPort

HDMI

DirectX

12 (11_0)

11.2 (11_0)

CUDA

3.0

OpenCL

1.2

OpenGL

4.6

4.4

Shader Model

5.1

5.0

Vulkan

1.1.126

N/A