Both 800 points each and both contain three games to work your way through on co-op.
Better off buying the Sega Mega Drive Ultimate Collection instead. I'm very sure it's dirt cheap by now.
Mega Drive/Genesis games (40 total)
Alex Kidd in the Enchanted Castle
Alien Storm
Altered Beast
Beyond Oasis/The Story of Thor
Bonanza Bros.
Columns
Comix Zone
Decap Attack
Dr. Robotnik's Mean Bean Machine
Dynamite Headdy
Ecco the Dolphin
Ecco: The Tides of Time
ESWAT: City Under Siege
Fatal Labyrinth
Flicky
Gain Ground
Golden Axe
Golden Axe II
Golden Axe III
Kid Chameleon
Phantasy Star II
Phantasy Star III: Generations of Doom
Phantasy Star IV: The End of the Millennium
Ristar
Shining Force: The Legacy of Great Intention
Shining Force II: The Ancient Seal
Shining in the Darkness
Shinobi III: Return of the Ninja Master
Sonic the Hedgehog
Sonic the Hedgehog 2
Sonic the Hedgehog 3
Sonic & Knuckles
Sonic 3D Flickies Island/Blast
Sonic Spinball
Streets of Rage
Streets of Rage 2
Streets of Rage 3
Super Thunder Blade
Vectorman
Vectorman 2
Unlockable extra games (9 total)
Alien Syndrome (arcade)
Altered Beast (arcade)
Congo Bongo (arcade) (under original title "Tip Top" in some regions)
Fantasy Zone (arcade)
Golden Axe Warrior (Sega Master System)
Phantasy Star (Sega Master System)
Shinobi (arcade)
Space Harrier (arcade)
Zaxxon (arcade)