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From my desktops...
IBM MDA, 8-bit ISA with parallel port (in an IBM PC my dad rescued from a skip at work, 1992) - 4KB
IBM CGA, 8-bit ISA (in an IBM XT, 1992, same source as the above, text looked far worse due to lower res) - 16KB
Paradise VGA, 8-bit ISA (in the same XT, 1993) - 256K
Cirrus Logic GD5428 VESA local bus (in a Hyundai 486SX, 1994) - 1MB
Diamond Stealth Trio64 (in an Evesham P100, 1996) - 2MB
Diamond Stealth 3D (Virge, in a P200 MMX, 1997) - 4MB
Matrox Millennium G200 LT (in a P3-450, 1999) - 8MB
(Also Orchid Righteous Voodoo card, 4MB, swiftly followed by 2x Diamond Monster Voodoo2 cards in SLI, 12MB)
GeForce 2 GTS - 32 MB (in an Athlon "Thunderbird" 1.3GHz PC, 2001)
upgraded to GeForce 3 Ti200 to play Morrowind with pixel shading - 64 MB
changed to GeForce FX 5500 (awful choice!) - 128 MB
GeForce 6800 (in a Dell P4 3.2GHz, 2005) - 256 MB
GeForce 9800 GT (in a Core2 Duo 8400 PC, 2008) - 512 MB
GeForce GTX 460 (in a Core i7-2600K PC, 2011) - 1 GB
upgraded to GeForce GTX 670 - 2 GB
GeForce GTX 980 (in a Core i7-5930K PC, 2015) - 4 GB
Probably time for an upgrade, thinking about it, but I'm loathe to buy a 1080 when they've been out for over a year already!