Radeon HD 7770 and GeForce RTX 4070 Mobile - video card comparison

Radeon HD 7770

GeForce RTX 4070 Mobile

Architecture

GCN (2011−2017)

Ada Lovelace

GPU code name

Cape Verde

GN21-X6

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

2175 MHz

Core clock speed

1000 MHz

1605 MHz

Manufacturing process technology

28 nm

5 nm

Number of transistors

1,500 million

Pipelines / CUDA cores

640

4608

Power consumption (TDP)

80 Watt

115 Watt (35 - 115 Watt TGP)

Texture fill rate

40.00

244.1

Memory type

GDDR5

GDDR6

Maximum RAM amount

2 GB

8 GB

Memory bus width

128 Bit

Memory clock speed

4500 MHz

16000 MHz

Memory bandwidth

72 GB/s

256.0 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