GeForce GT 640 and FirePro V7760 - video card comparison

GeForce GT 640

FirePro V7760

Architecture

Kepler (2012−2018)

TeraScale (2005−2013)

GPU code name

GK107

RV770

Market segment

Desktop

Workstation

Release date

June 2012

2012

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

None

1x 6-pin

Core clock speed

902 MHz

750 MHz

Floating-point performance

692.7 gflops

Manufacturing process technology

28 nm

55 nm

Number of transistors

1,270 million

956 million

Pipelines / CUDA cores

384

800

Power consumption (TDP)

65 Watt

76 Watt

Texture fill rate

28.86

30.00

Memory type

DDR3

GDDR3

Maximum RAM amount

2 GB

1 GB

Memory bus width

128 Bit

Memory clock speed

1782 MHz

1700 MBps

Memory bandwidth

28.51 GB/s

27.2 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x DisplayPort

1x DVI

HDMI

DirectX

12 (11_0)

10.1 (10_1)

CUDA

3.0

OpenCL

1.2

1.1

OpenGL

4.6

3.3

Shader Model

5.1

4.1

Vulkan

1.1.126

N/A