Radeon HD 6850 and Radeon RX 6850 XT - video card comparison

Radeon HD 6850

Radeon RX 6850 XT

Architecture

TeraScale 2 (2009−2015)

RDNA 2.0 (2020−2022)

GPU code name

Barts

Navi 21

Market segment

Desktop

Desktop

Release date

October 2010

2022

Bus support

AGP

-

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

2x 8-pin

Boost clock speed

-

2250 MHz

Floating-point performance

1,488.0 gflops

-

Manufacturing process technology

40 nm

7 nm

Number of transistors

1,700 million

26,800 million

Pipelines / CUDA cores

960

4608

Power consumption (TDP)

127 Watt

325 Watt

Texture fill rate

37.20

648.0

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

16 GB

Memory bus width

256 Bit

256 Bit

Memory clock speed

-

18 GB/s

Memory bandwidth

128.0 GB/s

576.0 GB/s

Display Connectors

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

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

Eyefinity

1

-

HDMI

+

+

DisplayPort support

-

-

DirectX

DirectX® 11

12 Ultimate (12_2)

Mantle

-

-

OpenCL

1.2

2.1

OpenGL

4.4

4.6

Shader Model

5.0

6.5

Vulkan

-

1.3

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-