Radeon HD 7970 and GeForce RTX 4090 Ti - video card comparison

Radeon HD 7970

GeForce RTX 4090 Ti

Architecture

GCN (2011−2017)

Ada Lovelace

GPU code name

Tahiti XT

AD102

Market segment

Desktop

Desktop

Release date

December 2011

2023

Bus support

PCIe 2.1 x16

-

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

2x 16-pin

Boost clock speed

925 MHz

2565 MHz

Floating-point performance

3,789 gflops

-

Manufacturing process technology

28 nm

5 nm

Number of transistors

4,313 million

76,300 million

Pipelines / CUDA cores

2048

18176

Power consumption (TDP)

300 Watt

600 Watt

Texture fill rate

118.4

1,457

Memory type

GDDR5

GDDR6X

Maximum RAM amount

6 GB

24 GB

Memory bus width

384 Bit

384 Bit

Memory clock speed

1375 MHz

24 GB/s

Memory bandwidth

264 GB/s

1,152 GB/s

Shared memory

-

-

Display Connectors

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

1x HDMI 2.1, 3x DisplayPort 1.4a

Eyefinity

+

-

HDMI

+

+

DisplayPort support

-

-

DirectX

DirectX® 11

12 Ultimate (12_2)

CUDA

-

8.9

Mantle

-

-

OpenCL

1.2

3.0

OpenGL

4.6

4.6

Shader Model

5.1

6.7

Vulkan

-

1.3

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-