GeForce GT 640M and GeForce 7025 + nForce 630a - video card comparison

GeForce GT 640M

GeForce 7025 + nForce 630a

Architecture

Kepler (2012−2018)

Curie (2003−2013)

GPU code name

N13P-GS

C67

Market segment

Laptop

Desktop

Release date

March 2012

February 2006

Bus support

PCI Express 2.0, PCI Express 3.0

Interface

PCIe 3.0 x16

PCI

Boost clock speed

645 MHz

Core clock speed

Up to 625 MHz

425 MHz

CUDA cores

384

Floating-point performance

480.0 gflops

Manufacturing process technology

28 nm

90 nm

Number of transistors

1,270 million

112 million

Pipelines / CUDA cores

384

Power consumption (TDP)

32 Watt

Texture fill rate

Up to 20.0 billion/sec

0.43

Memory type

DDR3\GDDR5

System Shared

Maximum RAM amount

2 GB

System Shared

Memory bus width

128bit

System Shared

Memory clock speed

1800 - 4000 MHz

System Shared

Memory bandwidth

Up to 64.0 GB/s

Shared memory

Display Connectors

No outputs

HDMI

HDCP

Maximum VGA resolution

Up to 2048x1536

DirectX

12 API

9.0c (9_3)

CUDA

OpenCL

1.1

N/A

OpenGL

4.5

2.1

Shader Model

5.1

3.0

Vulkan

1.1.126

N/A

3D Blu-Ray

Optimus