AMD Radeon 550X Mobile: GPU Specs & Benchmarks

The Radeon 550X Mobile is a graphics card by AMD, built on the 14 nm process and based on the Polaris 23 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Polaris 23

Model number

Polaris 23 MXT

Architecture

GCN 4.0

Foundry

GlobalFoundries

Process Size

14 nm

Transistors

2,200 million

Die Size

103 mm²

Graphics Card

Release Date

Apr 11th, 2018

Family

Mobility Radeon
(M500X)

Production

Active

Predecessor

Crystal System

Bus Interface

PCIe 3.0 x8

Memory

Memory Size

4 GB

Memory Type

GDDR5

Memory Bus

64 bit

Bandwidth

48.00 GB/s

Performance

Pixel fillrate

20.59 GPixel/s

Texture fillrate

51.48 GTexel/s

FP16 (half) performance

1.647 TFLOPS (1:1)

FP32 (float) performance

1.647 TFLOPS

FP64 (double) performance

103.0 GFLOPS (1:16)

Clock Speeds

Base Clock

1100 MHz

Boost Clock

1287 MHz

Memory Clock

1500 MHz
6 Gbps effective

Render Config

Shading Units

640

TMUs

40

ROPs

16

Compute Units

10

L1 Cache

16 KB (per CU)

L2 Cache

256 KB

Board Design

Slot Width

IGP

Thermal design power (TDP)

50 W

Display Connectors

No outputs

Power Connectors

None

API support

DirectX

12 (12_0)

OpenGL

4.6

OpenCL

2.1

Vulkan

1.2

Shader Model

6.4