AMD Radeon RX 580 Mobile vs AMD Radeon RX 6550M

VS

AMD Radeon RX 580 Mobile

AMD Radeon RX 6550M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile 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 580 Mobile 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 144.0GB/s)

1280 additional rendering cores

AMD Radeon RX 6550M 's Advantages

Released 5 years and 9 months late

Boost Clock has increased by 164% (2840MHz vs 1077MHz)

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile

4.963 TFLOPS

Radeon RX 6550M +17%

5.816 TFLOPS

Radeon RX 580 Mobile

VS

Radeon RX 6550M

Graphics Card

Apr 2017

Release Date

Jan 2023

Mobility Radeon

Generation

Navi Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x4

Clock Speeds

1000 MHz

Base Clock

2000 MHz

1077 MHz

Boost Clock

2840 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

144.0GB/s

Render Config

36

Compute Units

16

-

2304

Shading Units

1024

144

TMUs

64

32

ROPs

32

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

2 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

34.46 GPixel/s

Pixel Rate

90.88 GPixel/s

155.1 GTexel/s

Texture Rate

181.8 GTexel/s

4.963 TFLOPS

FP16 (half)

11.63 TFLOPS

4.963 TFLOPS

FP32 (float)

5.816 TFLOPS

310.2 GFLOPS

FP64 (double)

363.5 GFLOPS

Board Design

100W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Navi 24

Polaris 20M XT

GPU Variant

Navi 24

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

5.7 billion

Transistors

5.4 billion

232 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

Vulkan

1.3

-

6.4

Shader Model

6.7

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