Comparison page

GC9A01 vs MAX7219

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

GC9A01

Projects needing Round display and TFT with a commonly available displays part.

MAX7219

Projects needing LED matrix and Daisy chain with a commonly available displays part.

Specification Matrix

DimensionGC9A01 MAX7219

CategoryDisplaysDisplays

MakerGalaxyCoreAnalog Devices

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoArduino, MicroPython

Price$4.00 - $10.00$0.80 - $2.50

Known Tradeoffs

GC9A01

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

MAX7219

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

Open Individual Model Pages

GC9A01

GalaxyCore

Round color TFT controller popular in watch-style circular display modules.

China-madeDisplays72% confidence

MAX7219

Analog Devices

LED matrix and 7-segment display driver widely used in chained dot matrix modules.

China-madeDisplays84% confidence