Quadro K4000 and GeForce GT 640M - video card comparison

Passmark - benchmark score Quadro K4000 vs GeForce GT 640M

Quadro K4000

2806

GeForce GT 640M

946

Quadro K4000

GeForce GT 640M

Architecture

Kepler (2012−2018)

GPU code name

GK106

N13P-GS

Market segment

Workstation

Laptop

Release date

March 2013

March 2012

Bus support

PCI Express 2.0, PCI Express 3.0

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin

Boost clock speed

645 MHz

Core clock speed

810 MHz

Up to 625 MHz

CUDA cores

384

Floating-point performance

1,244 gflops

480.0 gflops

Manufacturing process technology

28 nm

Number of transistors

2,540 million

1,270 million

Pipelines / CUDA cores

768

384

Power consumption (TDP)

80 Watt

32 Watt

Texture fill rate

51.84

Up to 20.0 billion/sec

Memory type

GDDR5

DDR3\GDDR5

Maximum RAM amount

3 GB

2 GB

Memory bus width

192 Bit

128bit

Memory clock speed

5616 MHz

1800 - 4000 MHz

Memory bandwidth

134.8 GB/s

Up to 64.0 GB/s

Shared memory

Display Connectors

1x DVI, 2x DisplayPort

No outputs

HDMI

HDCP

Maximum VGA resolution

Up to 2048x1536

DirectX

12 (11_0)

12 API

CUDA

3.0

OpenCL

1.2

1.1

OpenGL

4.6

4.5

Shader Model

5.1

Vulkan

1.1.126

3D Blu-Ray

Optimus