AMD Radeon Pro 580X vs AMD Radeon RX 6550S

VS

AMD Radeon Pro 580X

AMD Radeon RX 6550S

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

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (218.9GB/s vs 128.0GB/s)

1280 additional rendering cores

AMD Radeon RX 6550S 's Advantages

Released 3 years and 10 months late

Boost Clock has increased by 100% (2400MHz vs 1200MHz)

Lower TDP (50W vs 185W)

Score

Benchmark

FP32 (float)

Radeon Pro 580X +12%

5.53 TFLOPS

Radeon RX 6550S

4.915 TFLOPS

Radeon Pro 580X

VS

Radeon RX 6550S

Graphics Card

Mar 2019

Release Date

Jan 2023

Radeon Pro Mac

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1100 MHz

Base Clock

2000 MHz

1200 MHz

Boost Clock

2400 MHz

1710 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

218.9GB/s

Bandwidth

128.0GB/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

38.40 GPixel/s

Pixel Rate

76.80 GPixel/s

172.8 GTexel/s

Texture Rate

153.6 GTexel/s

5.530 TFLOPS

FP16 (half)

9.830 TFLOPS

5.530 TFLOPS

FP32 (float)

4.915 TFLOPS

345.6 GFLOPS

FP64 (double)

307.2 GFLOPS

Board Design

185W

TDP

50W

-

2x HDMI 2.0b

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Navi 24

Ellesmere XTA (216-0886220)

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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