Radeon HD 4750 and Radeon RX 6900 XT - video card comparison

Radeon HD 4750

Radeon RX 6900 XT

Architecture

TeraScale (2005−2013)

Navi / RDNA2 (2020−2022)

GPU code name

RV740

Navi 21

Market segment

Desktop

Desktop

Release date

September 2009

December 2020

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

2x 8-pin

Boost clock speed

-

2250 MHz

Core clock speed

730 MHz

1825 MHz

Floating-point performance

934.4 gflops

-

Manufacturing process technology

40 nm

7 nm

Number of transistors

826 million

26,800 million

Pipelines / CUDA cores

640

5120

Power consumption (TDP)

100 Watt

300 Watt

Texture fill rate

23.36

720.0

Memory type

GDDR5

GDDR6

Maximum RAM amount

512 MB

16 GB

Memory bus width

128 Bit

256 Bit

Memory clock speed

3200 MHz

16000 MHz

Memory bandwidth

51.2 GB/s

512.0 GB/s

Shared memory

-

-

Display Connectors

2x DVI, 1x S-Video

1x HDMI, 2x DisplayPort, 1x USB Type-C

HDMI

-

+

DirectX

10.1 (10_1)

12 Ultimate (12_2)

OpenCL

1.1

2.1

OpenGL

3.3

4.6

Shader Model

4.1

6.5

Vulkan

N/A

1.2