GeForce GT 630 OEM and GeForce GT 645 OEM - video card comparison

GeForce GT 630 OEM

GeForce GT 645 OEM

Architecture

Kepler (2012−2018)

Fermi 2.0 (2010−2014)

GPU code name

GK107

GF114

Market segment

Desktop

Release date

April 2012

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

None

Core clock speed

875 MHz

776 MHz

Floating-point performance

336.0 gflops

894.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,270 million

1,950 million

Pipelines / CUDA cores

192

288

Power consumption (TDP)

50 Watt

102 Watt

Texture fill rate

14.00

37.25

Memory type

DDR3

GDDR5

Maximum RAM amount

1 GB

Memory bus width

128 Bit

192 Bit

Memory clock speed

1782 MHz

3828 MHz

Memory bandwidth

28.51 GB/s

91.87 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x VGA

2x DVI, 1x mini-HDMI

HDMI

DirectX

12 (11_0)

CUDA

3.0

2.1

OpenCL

1.2

1.1

OpenGL

4.6

Shader Model

5.1

Vulkan

1.1.126

N/A