The phrase "previous gen" is correct and can be used in written English.
It is a shortened form of "previous generation." Example: "The new smartphone is more advanced than the previous gen model."
The game 'Awesomenauts' originally released in 2013 across previous gen and PC.
The Xbox One's sales look especially bad compared to the previous gen Xbox 360.
Sony's PS2 and PS3 consoles run Linux and previous gen iPods have been hacked to run Linux as well.
This is the first time we've seen this version of Atlas in action — and it's leaps and bounds above the previous gen stuff.
Previous gen consoles, while smooth and detail rich, are no match for the amazingly life-like lighting effects, motion, and environment details.
Battery life is said to be 10 hours, which is two hours short of what the previous gen was said to have and yesterday we logged about eighth ours.
In previous GEN-AIR analyses, numerous researchers found that NO2 and DNA adducts (an intermediate marker of carcinogenesis) were statistically significant predictors of lung cancer in nonsmokers in the same cohort (Peluso et al. 2005; Vineis and Husgafvel-Pursiainen 2005; Vineis et al. 2006, 2007).
Actually, it's more-or-less previous-gen.
But players will likely experience bugs, perhaps because of that fast development cycle or the stretched capacities of the now previous-gen consoles.
I've never owned a WinMo phone, and I want to know the virtues of this previous-gen OS.
Incidentally, this Wal-mart deal on a previous-gen iPod Touch isn't bad if someone has to play Secret Santa at the office.
