Heathrow and UHD Graphics 770 - video card comparison

Heathrow

UHD Graphics 770

Architecture

GCN 1.0 (2012−2020)

Alder Lake

GPU code name

Heathrow

Alder Lake xG

Market segment

Desktop

Desktop

Release date

-

January 2022

Interface

-

Ring Bus

Boost clock speed

-

300 MHz

Manufacturing process technology

28 nm

10 nm

Number of transistors

1,500 million

-

Pipelines / CUDA cores

640

32

Power consumption (TDP)

-

15 Watt

Texture fill rate

-

26.40

Memory type

-

System Shared

Maximum RAM amount

-

System Shared

Memory bus width

-

System Shared

Memory clock speed

-

1550 MHz

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

12 (11_1)

12 (12_1)

OpenCL

2.1 (1.2)

3.0

OpenGL

4.6

4.6

Shader Model

6.5 (5.1)

6.4

Vulkan

1.2.170

1.3