AMD Radeon 550X: GPU Specs & Benchmarks

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

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Graphics Processor (GPU)

GPU Name

Lexa

Model number

Lexa PRO
(215-0904018)

Architecture

GCN 4.0

Foundry

GlobalFoundries

Process Size

14 nm

Transistors

2,200 million

Die Size

103 mm²

Graphics Card

Release Date

Mar 27th, 2019

Family

Polaris
(RX 500X)

Production

Active

Predecessor

Polaris

Bus Interface

PCIe 3.0 x8

Memory

Memory Size

2 GB

Memory Type

GDDR5

Memory Bus

128 bit

Bandwidth

112.0 GB/s

Performance

Pixel fillrate

19.49 GPixel/s

Texture fillrate

38.98 GTexel/s

FP16 (half) performance

1,247 GFLOPS (1:1)

FP32 (float) performance

1,247 GFLOPS

FP64 (double) performance

77.95 GFLOPS (1:16)

Clock Speeds

Base Clock

1082 MHz

Boost Clock

1218 MHz

Memory Clock

1750 MHz
7 Gbps effective

Render Config

Shading Units

512

TMUs

32

ROPs

16

Compute Units

8

L1 Cache

16 KB (per CU)

L2 Cache

512 KB

Board Design

Slot Width

Dual-slot

Length

145 mm
5.7 inches

Thermal design power (TDP)

50 W

Suggested PSU

250 W

Display Connectors

1x DVI
1x HDMI
1x DisplayPort

Power Connectors

None

Board Number

D090

API support

DirectX

12 (12_0)

OpenGL

4.6

OpenCL

2.1

Vulkan

1.2

Shader Model

6.4