GeForce GT 640M and Iris Xe Graphics 96EU - video card comparison

GeForce GT 640M

Iris Xe Graphics 96EU

Architecture

Kepler (2012−2018)

Generation 12.2 (2021−2022)

GPU code name

N13P-GS

Alder Lake GT1

Market segment

Laptop

Desktop

Release date

March 2012

January 2022

Bus support

PCI Express 2.0, PCI Express 3.0

Interface

PCIe 3.0 x16

Ring Bus

Boost clock speed

645 MHz

1400 MHz

Core clock speed

Up to 625 MHz

CUDA cores

384

Floating-point performance

480.0 gflops

Manufacturing process technology

28 nm

10 nm

Number of transistors

1,270 million

Pipelines / CUDA cores

384

768

Power consumption (TDP)

32 Watt

45 Watt

Texture fill rate

Up to 20.0 billion/sec

67.20

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

12 (12_1)

CUDA

OpenCL

1.1

3.0

OpenGL

4.5

4.6

Shader Model

5.1

6.4

Vulkan

1.1.126

1.3

3D Blu-Ray

Optimus