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Would an overclocked 780ti be bottle necked by a 2500k at 4.3 - 4.5 ghz?
780 without a doubt.

I doubt it. It took 2 680's to bottleneck my 4.4 2500K and then it was only just and the 780ti isn't faster than 2 680's.

Do you think the 780ti is worth the extra £180? also i currently run a 1680x1050 monitor but i'm holding on upgrading because i want to get a G-Sync monitor.
.Do you think the 780ti is worth the extra £180? also i currently run a 1680x1050 monitor but i'm holding on upgrading because i want to get a G-Sync monitor.
First thing would be to upgrade your monitor. Once you have done this then have a look around to see what is on offer. Prices and deals change all the time, in a months time everything could be different.
Don't see the point in buying a high end card for monitor that's not expected for quite a while yet. Honestly if I were in your shoes and you really want to hold out for a Gsync screen I would get a cheapish second hand card now such as 7950/670 which will be more than enough to max everything at your current resolution then once you have a monitor decide on a new gpu. Who knows what will be releaswd next year.
The 290 is a cracking card but as is, I would want a better cooler or at least a quieter cooler. Not sure when parteners will be bringing them out but it was hinted at 6-8 weeks when the 290X was launched and will be the same for the 290 Pro.
I like the 290X as well but with the 780 being cheaper and free games, that to me wins that battle.
Bottom line is. If buying now, grab the 780 or if you are happy to wait, grab the 290 pro.
My thoughts on it anyway![]()
Yea think i'm def getting the 780,
for £555 i can get GTX 780 WF, Samsung Evo 250gb and BF4
and for £570 i can get a 780ti
.