AMD Radeon RX 550X Mobile vs AMD Radeon Pro 575X

VS

AMD Radeon RX 550X Mobile

AMD Radeon Pro 575X

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550X Mobile and 4GB VRAM Radeon Pro 575X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X Mobile 's Advantages

Boost Clock1176MHz

Lower TDP (50W vs 150W)

AMD Radeon Pro 575X 's Advantages

Released 11 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (217.6GB/s vs 48.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X Mobile

1.505 TFLOPS

Radeon Pro 575X +198%

4.489 TFLOPS

Radeon RX 550X Mobile

VS

Radeon Pro 575X

Graphics Card

Apr 2018

Release Date

Mar 2019

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

-

1176 MHz

Boost Clock

-

1500 MHz

Memory Clock

1700 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

217.6GB/s

Render Config

10

Compute Units

32

-

640

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

18.82 GPixel/s

Pixel Rate

35.07 GPixel/s

47.04 GTexel/s

Texture Rate

140.3 GTexel/s

1.505 TFLOPS

FP16 (half)

4.489 TFLOPS

1.505 TFLOPS

FP32 (float)

4.489 TFLOPS

94.08 GFLOPS

FP64 (double)

280.6 GFLOPS

Board Design

50W

TDP

150W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

Polaris 20

Polaris 23 MXT

GPU Variant

Polaris 20 XL (215-0910052)

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

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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