AMD Radeon R5 M255 vs AMD Radeon RX 6550M

VS

AMD Radeon R5 M255

AMD Radeon RX 6550M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 4GB VRAM Radeon RX 6550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6550M 's Advantages

Released 8 years and 3 months late

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

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (144.0GB/s vs 32.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

Radeon RX 6550M +706%

5.816 TFLOPS

Radeon R5 M255

VS

Radeon RX 6550M

Graphics Card

Oct 2014

Release Date

Jan 2023

Gem System

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

2840 MHz

1000 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

144.0GB/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

90.88 GPixel/s

22.56 GTexel/s

Texture Rate

181.8 GTexel/s

721.9 GFLOPS

FP16 (half)

11.63 TFLOPS

721.9 GFLOPS

FP32 (float)

5.816 TFLOPS

45.12 GFLOPS

FP64 (double)

363.5 GFLOPS

Board Design

Unknown

TDP

80W

-

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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