This is a list of rebranded GeForce 8 series GPU, sold as 9 series or even G/GT/GTS series! The same old GPU sold with little modifications but heavy rebranding to make them “new” 
Desktop GeForce GPU:
- GeForce 8300 GS -> G205
- Geforce 8400M G -> 9300M GS -> G105M
- GeForce 8400M GS -> G110M -> G210M -> G305M
- GeForce 8400M GT -> G310M
- GeForce 8400 GS -> G100 -> G210 -> G310
- GeForce 8500 GT -> 8600M GS -> 9400 GT -> 9600M GT
- GeForce 8600 GT -> 9500 GT -> GT120
- GeForce 8600M GS -> 9500M GS ->9600M GS
- GeForce 8600M GT -> 9600M GT -> GT120M
- GeForce 8700M GT -> 9650M GS -> GT130M
- GeForce 8800 GS -> 8800M GTX -> 9600 GSO -> 9700M GTS -> 9800M GT -> GT130 -> GT220 -> GT230M -> GT240 -> GT240M -> GTS250M -> GTS260M -> GT325M -> GTS350M -> GTS360M
- GeForce 8800M GTS -> 9600 GT -> 9800M GS -> 9800M GTS -> GTS150M -> GTS160M -> GT230
- GeForce 8800 GT -> 9800 GT -> 9800M GTX -> GTS240 -> GTX260M
- GeForce 8800 GT 512 -> 9800 GTX -> GTS150 -> GTS250 -> GTX280M
These GPU has been rebranded many times, the winner being GeForce 8800 GS, the good-old G80 that ruled the world in 2006, and is always sold with die-shrink and little modification as a brand-new GPU