I am honestly more worried about horizon than I will ever be about Zelda.

What we have seen about Horizon looks great no doubt, but I can't shake the feeling that it will suffer from a lot of untapped potential instances that seems to plague most AAA games today.

It has a great combat system and overall theme, but will it have dungeons, environmental puzzles, a well thought story? Or will it just be an open world robo dino simulator littered with tons of fetch and collection quests and glorified hunts.

I don't think ones performance will affect the other though, being that they are both exclusives to their respective platforms and the best game anyone of those platforms can get within a week of eachother this year. So both will sell well.

The PS4 is currently ahead of the PS2 by around 1.5/2M if launch alligned. Over the course of the year though the PS2 will pull ahead because it was selling more every month on average than what the PS4 will likely sell these coming months unless sony gets aggressive with pricing.

Speaking of aggressive and a little fun fact, at this time in the PS2s life its price had been cut by 40% of its original price (from $300 to $179) so the PS4 is actually following the same price path of the PS2 (albeit relatively). The PS4 needs to be at $240 to have seen the same kinda price drop that would allow it match the PS2s pricing path. 

New ip on a successful format with a huge range of games available vs a new game in an established long running ip on a failed format and new format both with a limited number of competing games of similar quality and a very small install base.

Horizon on a technical level blows Zelda away even on the standard ps4 and with a 4k version on pro it goes beyond that.

In playability terms it is unlikely to beat Zelda.

Zelda is a non event if you don't have a wii u and don't intend to buy a Switch and Horizon isn't on your radar if you don't have a ps4 and don't intend to buy one.

It's only really if you have a choice and own both ps4 and wii u or you own ps4 and intend to buy a switch.

I have both ps4 and wii u and have pre-ordered Zelda for my wii u and will probably wait until Horizon is heavily discounted or even free with psn plus. This isn't my favourite genre but do have a strong nostalgic feeling for Zelda as have enjoyed the games so much in the past, plus Nintendo games don't do the heavy discounting of ps4 games so buying Zelda might actually be profitable if a few years later it becomes collectible. Also the novelty of actually buying a game for my wii u nowadays, I'm not exactly spoilt for choice. Nice to dust off the gamepad.

I'm old enough and seen enough of gaming to know new IP's take time to get established even if they have great reviews sometimes the sales figures are actually quite low. Sony does incredible value, so many amazing games for so little money and if you can wait sometimes only a few weeks or a few months the price can be a tiny fraction of the release price. This is certainly true of games that don't do great sales figures on release typically new IPs are included in that.

Also Zelda may be a pack-in title for Switch later.

Yeah lol

Tagging this for a later read. I'm buying both. I (purposely) don't know enough about Horizon aside from the fact that it looks beautiful but this is Zelda we're talking about. For fans, a new Zelda is "call in sick to work" Star Wars level anticipation.

Let the new IP prove itself worthy of challenging one of the most acclaimed franchises EVER.

If there is one game out of those two that will be overshadowed it will be Horizon.
A new Zelda will be getting media attention from all over the world. No doubt.
Horizon is just another open world rpg on a console overflowing with those type of games.

I was typing out a response to you and remembered you weren't the one who made the 2x prediction.  I'll just add to your argument that Zelda isn't the franchise that makes sense for his argument.  Mario would make more sense and even that game isn't universally over Sony and Microsoft's best.  The only game that really beats anything Microsoft or Sony puts out from Nintendo is Pokemon.

In europe Horizon is releases Mars 1st and Zelda Mars 3rd

I am late to the party but you are right he mae A LOT of assumptions with no numbers or basis at all wow. Then asked a random question about how many copies of UC4 were sold without the bundle....even though he basically answered it and siad it was at 4.5mil BEFORE the heavy bundling and is at 8.7mil or so now so it stands to reason that more people bough the actual game rather than the bundle.....even though the bundle did help to really increase sales but gheesh that post as you said had a LOT of assumptions...

OT:

I think both will review and sale great and won't hinder the sales of one another at all.

Well, I want to play both. Do not have a ps4 right now, so choice is easy.

But just putting it out there that if I did have a ps4, I would not buy Horizon on release date. Not a college kid anymore, gaming time is limited. So I would wait the week for Zelda and play that. By the time I got done playing Zelda, I would then pick up Horizon in the discount bin and play that.

Even if Zelda wasn't my favorite franchise, that scenario would make more sense to me. I can guarantee that Horizon will be like half price in a few months or sooner. (all triple games are) I can not guarantee that Zelda will be (Nintendo games never seem to discount)

So, seeing how both are seemingly 50+ hour games. To those that are going to have one sitting on their backlog while they play the other. Consider getting Zelda first and thus save money by purchasing Horizon at discount.