Radeon RX 6850 XT and Radeon RX 6450M - video card comparison

Radeon RX 6850 XT

Radeon RX 6450M

Architecture

RDNA 2.0 (2020−2022)

RDNA 2 (2020−2022)

GPU code name

Navi 21

Navi 24

Market segment

Desktop

Laptop

Release date

2022

January 2023

Interface

PCIe 4.0 x16

PCIe 4.0 x4

Supplementary power connectors

2x 8-pin

None

Boost clock speed

2250 MHz

2220 MHz

Core clock speed

2000 MHz

Manufacturing process technology

7 nm

6 nm

Number of transistors

26,800 million

5,400 million

Pipelines / CUDA cores

4608

768

Power consumption (TDP)

325 Watt

25 Watt (25 - 50 Watt TGP)

Texture fill rate

648.0

118.1

Memory type

GDDR6

Maximum RAM amount

16 GB

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

18 GB/s

18000 MHz

Memory bandwidth

576.0 GB/s

128.0 GB/s

Shared memory

Display Connectors

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

Portable Device Dependent

HDMI

DirectX

12 Ultimate (12_2)

OpenCL

2.1

2.2

OpenGL

4.6

Shader Model

6.5

6.7

Vulkan

1.3