Radeon HD 6450 and Radeon RX 6450M - video card comparison

Radeon HD 6450

Radeon RX 6450M

Architecture

TeraScale 2 (2009−2015)

RDNA 2 (2020−2022)

GPU code name

Caicos

Navi 24

Market segment

Desktop

Laptop

Release date

April 2011

January 2023

Bus support

PCIe 2.0 x8

-

Interface

PCIe 2.0 x16

PCIe 4.0 x4

Supplementary power connectors

None

None

Boost clock speed

750 MHz

2220 MHz

Core clock speed

-

2000 MHz

Floating-point performance

200.0 gflops

-

Manufacturing process technology

40 nm

6 nm

Number of transistors

370 million

5,400 million

Pipelines / CUDA cores

160

768

Power consumption (TDP)

30 Watt

25 Watt (25 - 50 Watt TGP)

Texture fill rate

5.000

118.1

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

4 GB

Memory bus width

64 Bit

64 Bit

Memory clock speed

800 MHz

18000 MHz

Memory bandwidth

25.6 GB/s

128.0 GB/s

Memory bandwidth

8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)

-

Shared memory

-

-

Display Connectors

1x DVI, 1x HDMI, 1x VGA

Portable Device Dependent

Eyefinity

1

-

Number of Eyefinity displays

4

-

HDMI

+

-

DisplayPort support

+

-

DirectX

DirectX® 11

12 Ultimate (12_2)

Mantle

-

-

OpenCL

1.2

2.2

OpenGL

4.4

4.6

Shader Model

5.0

6.7

Vulkan

-

1.3

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-