AMD Radeon R5 A255 vs AMD Radeon RX 6550S

VS

AMD Radeon R5 A255

AMD Radeon RX 6550S

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

Main Differences

AMD Radeon RX 6550S 's Advantages

Released 9 years late

Boost Clock has increased by 155% (2400MHz vs 940MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255

0.721 TFLOPS

Radeon RX 6550S +581%

4.915 TFLOPS

Radeon R5 A255

VS

Radeon RX 6550S

Graphics Card

Jan 2014

Release Date

Jan 2023

All-In-One

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

925 MHz

Base Clock

2000 MHz

940 MHz

Boost Clock

2400 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

128.0GB/s

Render Config

6

Compute Units

16

-

384

Shading Units

1024

24

TMUs

64

8

ROPs

32

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

7.520 GPixel/s

Pixel Rate

76.80 GPixel/s

22.56 GTexel/s

Texture Rate

153.6 GTexel/s

-

FP16 (half)

9.830 TFLOPS

721.9 GFLOPS

FP32 (float)

4.915 TFLOPS

-

FP64 (double)

307.2 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

Navi 24

Topaz PRO (216-0858030)

GPU Variant

Navi 24

GCN 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

1.55 billion

Transistors

5.4 billion

125 mm²

Die Size

107 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2.170

Vulkan

1.3

-

6.5

Shader Model

6.7

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