AMD Radeon RX 6550M vs AMD Radeon HD 6450M

VS

AMD Radeon RX 6550M

AMD Radeon HD 6450M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6550M and 1024MB VRAM Radeon HD 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6550M 's Advantages

Released 12 years late

Boost Clock2840MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (144.0GB/s vs 12.80GB/s)

864 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6550M +2929%

5.816 TFLOPS

Radeon HD 6450M

0.192 TFLOPS

Radeon RX 6550M

VS

Radeon HD 6450M

Graphics Card

Jan 2023

Release Date

Jan 2011

Navi Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2000 MHz

Base Clock

-

2840 MHz

Boost Clock

-

2250 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

64bit

Memory Bus

64bit

144.0GB/s

Bandwidth

12.80GB/s

Render Config

16

Compute Units

2

-

1024

Shading Units

160

64

TMUs

8

32

ROPs

4

-

16

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

16 MB

L3 Cache

-

Theoretical Performance

90.88 GPixel/s

Pixel Rate

2.400 GPixel/s

181.8 GTexel/s

Texture Rate

4.800 GTexel/s

11.63 TFLOPS

FP16 (half)

-

5.816 TFLOPS

FP32 (float)

192.0 GFLOPS

363.5 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

Seymour

Navi 24

GPU Variant

Seymour PRO S3 (216-0809024)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

0.37 billion

107 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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