Radeon HD 7770 and GeForce RTX 4080 Mobile - video card comparison

Radeon HD 7770

GeForce RTX 4080 Mobile

Architecture

GCN (2011−2017)

Ada Lovelace

GPU code name

Cape Verde

GN21-X9

Market segment

Desktop

Laptop

Release date

February 2012

January 2023

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

Boost clock speed

2280 MHz

Core clock speed

1000 MHz

1860 MHz

Manufacturing process technology

28 nm

5 nm

Number of transistors

1,500 million

35,800 million

Pipelines / CUDA cores

640

7424

Power consumption (TDP)

80 Watt

150 Watt (60 - 150 Watt TGP)

Texture fill rate

40.00

386.3

Memory type

GDDR5

GDDR6X

Maximum RAM amount

2 GB

12 GB

Memory bus width

128 Bit

192 Bit

Memory clock speed

4500 MHz

20000 MHz

Memory bandwidth

72 GB/s

432.0 GB/s

Shared memory

Display Connectors

1x DVI, 1x HDMI, 2x mini-DisplayPort

Portable Device Dependent

Eyefinity

HDMI

DirectX

12 (11_1)

12 Ultimate (12_2)

CUDA

8.9

OpenCL

1.2

3.0

OpenGL

4.6

Shader Model

5.1

6.7

Vulkan

1.2.131

1.3