AMD Radeon RX 6550M vs AMD Radeon R5 A255

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6550M and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6550M 's Advantages

Released 9 years late

Boost Clock has increased by 202% (2840MHz vs 940MHz)

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (144.0GB/s vs 64.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6550M +706%

5.816 TFLOPS

Radeon R5 A255

0.721 TFLOPS

Radeon RX 6550M

VS

Radeon R5 A255

Graphics Card

Jan 2023

Release Date

Jan 2014

Navi Mobile

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x8

Clock Speeds

2000 MHz

Base Clock

925 MHz

2840 MHz

Boost Clock

940 MHz

2250 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

144.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

16

Compute Units

6

1024

Shading Units

384

64

TMUs

24

32

ROPs

8

-

Tensor Cores

-

16

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

90.88 GPixel/s

Pixel Rate

7.520 GPixel/s

181.8 GTexel/s

Texture Rate

22.56 GTexel/s

11.63 TFLOPS

FP16 (half)

-

5.816 TFLOPS

FP32 (float)

721.9 GFLOPS

363.5 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 24

GPU Name

Topaz

Navi 24

GPU Variant

Topaz PRO (216-0858030)

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.55 billion

107 mm²

Die Size

125 mm²

Board Design

80W

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2.170

-

CUDA

-

6.7

Shader Model

6.5

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