GeForce GT 645M and Quadro NVS 55 PCI - video card comparison

GeForce GT 645M

Quadro NVS 55 PCI

Architecture

Kepler (2012−2018)

Rankine (2003−2005)

GPU code name

N13P-GS

NV34 B1

Market segment

Laptop

Workstation

Release date

March 2012

May 2005

Bus support

PCI Express 2.0, PCI Express 3.0

-

Interface

PCIe 3.0 x16

PCI

Supplementary power connectors

-

None

Core clock speed

Up to 710 MHz

250 MHz

CUDA cores

384

-

Floating-point performance

544.5 gflops

-

Manufacturing process technology

28 nm

150 nm

Number of transistors

1,270 million

45 million

Pipelines / CUDA cores

384

-

Power consumption (TDP)

32 Watt

10 Watt

Texture fill rate

22.7 billion/sec

1.000

Memory type

DDR3\GDDR5

DDR

Maximum RAM amount

2 GB

64 MB

Memory bus width

128bit

64 Bit

Memory clock speed

1800 MHz

400 MHz

Memory bandwidth

Up to 64.0 GB/s

3.2 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x DVI, 1x S-Video

HDMI

+

-

HDCP

+

-

Maximum VGA resolution

Up to 2048x1536

-

DirectX

12 API

9.0a

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

4.5

1.5 (2.1)

Shader Model

5.1

-

Vulkan

1.1.126

N/A

3D Blu-Ray

+

-

Optimus

+

-