GeForce GT 640 OEM Rebrand and Graphics Vantage - video card comparison

GeForce GT 640 OEM Rebrand

Graphics Vantage

Architecture

Fermi 2.0 (2010−2014)

Mach (1992−1997)

GPU code name

GF116

Mach8

Market segment

Desktop

Release date

April 2012

1992

Interface

PCIe 2.0 x16

ISA 16 Bit

Supplementary power connectors

None

Core clock speed

720 MHz

10 MHz

Floating-point performance

414.7 gflops

Manufacturing process technology

40 nm

800 nm

Number of transistors

1,170 million

Pipelines / CUDA cores

144

Power consumption (TDP)

75 Watt

Texture fill rate

17.28

Memory type

DDR3

DRAM

Maximum RAM amount

1536 MB

1 MB

Memory bus width

192 Bit

32 Bit

Memory clock speed

1600 MHz

10 MHz

Memory bandwidth

38.4 GB/s

40 MB/s

Display Connectors

2x DVI, 1x mini-HDMI

1x VGA

HDMI

DirectX

12 (11_0)

N/A

CUDA

2.1

OpenCL

1.1

N/A

OpenGL

4.6

N/A

Shader Model

5.1

Vulkan

N/A