Old Consoles

NES: colors: 48  , RAM: 2KB , Released: 1983

SNES: Colors: 256 , RAM: 128KB , Released: 1990

N64: Colors: 16.7 million , RAM: 4MB , Released: 1996

Gamecube: Colors: 16.7 million , RAM: 24MB , Released: 2001

Wii: colors: over 10 billion , RAM: 512 MB , Released 2006

Wii U: Colors: over 15 billion , RAM: 2GB , Released: 2012

Switch: colors: over 20 billion , RAM: 4GB , Released: 2017

SG-1000: colors: 16 , RAM:1KB , Released: 1983 

Master System: colors: 32 , RAM:8KB , Released: 1986

Genesis/Mega Drive: Colors: 61 , RAM: 72KB , Released: 1988

Mega CD: colors: 61 , RAM: 856KB , Released: 1991

32X: colors: 32768 , RAM: 512KB , Released: 1994

Saturn: colors: 16.7 million , RAM: 4.5MB , Released: 1994

Dreamcast: colors: 16.7 million , RAM: 26MB , Released:1998

PS1: colors: 16.7 million , RAM: 2MB , Released: 1994

PS2: Colors: 16.7 million , RAM: 36MB , Released: 2000

PS3: colors: over 3 billion , RAM: 256MB , Released: 2006

PS4: Colors over 20 billion , RAM: 8GB , Released: 2013

PS5: colors: over 60 billion , RAM: 16GB , Released 2020

2600: colors: 128 , RAM: 128 bytes , Released1977

400/800: colors: 256 , RAM: 8-48KB , Released: 1979

5200: colors: 256 , RAM:16KB , Released: 1982

ST: colors: 16 , RAM: 512-1024KB , Released: 1985

7800: Colors: 25 , RAM: 4KB , Released: 1986

Falcon: colors: 65535 , RAM: 1-14MB , released: 1992

Jaguar: colors: 16.7 million , RAM 2MB , Released: 1993

The first home console ever was the Magnavox Odyssey:

Colors: monochrome , RAM: None , Released: 1972.

The Odyssey only had 28 games made for it.