Radeon HD 7870 and GeForce RTX 4090 Max-Q - video card comparison

Radeon HD 7870

GeForce RTX 4090 Max-Q

Architecture

GCN (2011−2017)

Ada Lovelace

GPU code name

Pitcairn XT

AD103

Market segment

Desktop

Release date

March 2012

January 2023

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 6-pin

None

Boost clock speed

1455 MHz

Core clock speed

1000 MHz

Manufacturing process technology

28 nm

4 nm

Number of transistors

2800 Million

45,900 million

Pipelines / CUDA cores

1280

9728

Power consumption (TDP)

175 Watt

80 Watt

Texture fill rate

80.00

442.3

Memory type

GDDR5

GDDR6

Maximum RAM amount

2 GB

16 GB

Memory bus width

256 Bit

Memory clock speed

4800 MHz

14 GB/s

Memory bandwidth

153.6 GB/s

448.0 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