Radeon HD 7970 and GeForce RTX 4070 Mobile - video card comparison

Radeon HD 7970

GeForce RTX 4070 Mobile

Architecture

GCN (2011−2017)

Ada Lovelace

GPU code name

Tahiti XT

GN21-X6

Market segment

Desktop

Laptop

Release date

December 2011

January 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

-

Boost clock speed

925 MHz

2175 MHz

Core clock speed

-

1605 MHz

Floating-point performance

3,789 gflops

-

Manufacturing process technology

28 nm

5 nm

Number of transistors

4,313 million

-

Pipelines / CUDA cores

2048

4608

Power consumption (TDP)

300 Watt

115 Watt (35 - 115 Watt TGP)

Texture fill rate

118.4

244.1

Memory type

GDDR5

GDDR6

Maximum RAM amount

6 GB

8 GB

Memory bus width

384 Bit

128 Bit

Memory clock speed

1375 MHz

16000 MHz

Memory bandwidth

264 GB/s

256.0 GB/s

Shared memory

-

-

Display Connectors

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

Portable Device Dependent

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

-

-