AMD Radeon Pro 580 vs AMD Radeon RX 550X Mobile

VS

AMD Radeon Pro 580

AMD Radeon RX 550X Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580 and 2GB VRAM Radeon RX 550X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580 's Advantages

Boost Clock has increased by 2% (1200MHz vs 1176MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (217.0GB/s vs 48.00GB/s)

1664 additional rendering cores

AMD Radeon RX 550X Mobile 's Advantages

Released 10 months late

Lower TDP (50W vs 185W)

Score

Benchmark

FP32 (float)

Radeon Pro 580 +267%

5.53 TFLOPS

Radeon RX 550X Mobile

1.505 TFLOPS

Radeon Pro 580

VS

Radeon RX 550X Mobile

Graphics Card

Jun 2017

Release Date

Apr 2018

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

1100 MHz

1200 MHz

Boost Clock

1176 MHz

1695 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

217.0GB/s

Bandwidth

48.00GB/s

Render Config

36

Compute Units

10

-

2304

Shading Units

640

144

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

38.40 GPixel/s

Pixel Rate

18.82 GPixel/s

172.8 GTexel/s

Texture Rate

47.04 GTexel/s

5.530 TFLOPS

FP16 (half)

1.505 TFLOPS

5.530 TFLOPS

FP32 (float)

1.505 TFLOPS

345.6 GFLOPS

FP64 (double)

94.08 GFLOPS

Board Design

185W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Polaris 23

Ellesmere XTA (216-0886220)

GPU Variant

Polaris 23 MXT

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

2.2 billion

232 mm²

Die Size

103 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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