Radeon HD 4855 and Radeon RX 6750 GRE - video card comparison

Radeon HD 4855

Radeon RX 6750 GRE

Architecture

TeraScale (2005−2013)

RDNA 2.0 (2020−2022)

GPU code name

RV770

Navi 22

Market segment

Desktop

Release date

January 2010

October 2023

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

1x 6-pin + 1x 8-pin

Boost clock speed

2581 MHz

Core clock speed

575 MHz

Floating-point performance

736.0 gflops

Manufacturing process technology

55 nm

7 nm

Number of transistors

956 million

17,200 million

Pipelines / CUDA cores

640

2560

Power consumption (TDP)

110 Watt

250 Watt

Texture fill rate

18.40

413.0

Memory type

GDDR5

GDDR6

Maximum RAM amount

512 MB

12 GB

Memory bus width

256 Bit

192 Bit

Memory clock speed

3600 MHz

18 GB/s

Memory bandwidth

115.2 GB/s

432.0 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x VGA

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

10.1 (10_1)

12 Ultimate (12_2)

OpenCL

1.1

2.1

OpenGL

3.3

4.6

Shader Model

4.1

6.7

Vulkan

N/A

1.3