Konami without Kojima is as good as dead, why bother to buy a dead company ?

In another hand, Capcom with Resident Evil, Monster Hunter, Street Fighters, Dragon's Dogma, Devil May Cry, Phoenix Wright, etc ... is really worth the money for anyone who want to purchase it

Whichever it'd buy, if it even would, it should fire its top management as the very first move. And without golden parachute, this bullcrap of paying rich bonuses to inept managers must end.

None, Sony will turn all those great IP's by Konami and Capcom into shovelwares.

Honestly, neither. Konami's currently busy committing suicide so might as well leave them to slash their own wrists and then loot their corpse for all the good IP later for far less money. Capcom is more problematic due to the third parties who would work very very hard to muck with the deal, namely Nintendo who know darn well how important MonHun is to their handhelds.

Also, Capcom is a pretty big company, not sure the government over there would support a company as big as Sony buying them.

Konami because the IPs fit more to Sony and i think it would benefit the industry more

Neither. Capcom is a failing company who needs help making/funding games and Konami is going a whole another route and their ips isn't what they once were outside of metal gear which may fail without Kojima. The only relevant console gaming companies in Japan is Sony and Nintendo. Thats because Nintendo games/characters are like disney in terms of icons and recognition. Sony was smart enough to invest more into western games/western studios.

Konami may be killing its console games division, but they are far from suiciding themselves (at least, economically)

http://www.konami.co.jp/en/ir/ir-data/meeting/2015/1030_355711.pdf

It's not about there developers it's about the IP both these publishers own and use terribly.

Even if we are talking about who Sony should buy instead of Nintendo, I'd say Capcom.

Capcom has the better IPs.

Most of Konami's are niche (Suikoden) or far past their prime and didn't translate well into 3D (Castlevania). The best they could do is get Metal Gear and Kojima, but lets face it, even the past few of those aren't fantastic.

Get Devil May Cry and outsource it to Platinum, Get Mega Man and outsource that to Naughty Dog. Get Resident Evil and give it to.... Hell I don't know, Kojima.

Konami, Nintendo should buy Capcom.