AMD Radeon RX 550X Mobile vs AMD Radeon Pro 580

VS

AMD Radeon RX 550X Mobile AMD Radeon Pro 580

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

Main Differences

AMD Radeon RX 550X Mobile 's Advantages

Released 10 months late

Lower TDP (50W vs 185W)

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

Score

Benchmark

FP32 (float)

Radeon RX 550X Mobile

1.505 TFLOPS

Radeon Pro 580 +267%

5.53 TFLOPS

Radeon RX 550X Mobile

VS

Radeon Pro 580

Graphics Card

Apr 2018

Release Date

Jun 2017

Mobility Radeon

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

1100 MHz

1176 MHz

Boost Clock

1200 MHz

1500 MHz

Memory Clock

1695 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

217.0GB/s

Render Config

-

SM Count

-

10

Compute Units

36

640

Shading Units

2304

40

TMUs

144

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

Theoretical Performance

18.82 GPixel/s

Pixel Rate

38.40 GPixel/s

47.04 GTexel/s

Texture Rate

172.8 GTexel/s

1.505 TFLOPS

FP16 (half)

5.530 TFLOPS

1.505 TFLOPS

FP32 (float)

5.530 TFLOPS

94.08 GFLOPS

FP64 (double)

345.6 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Ellesmere

Polaris 23 MXT

GPU Variant

Ellesmere XTA (216-0886220)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

5.7 billion

103 mm²

Die Size

232 mm²

Board Design

50W

TDP

185W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.4

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