Crossfire, 4k display

Toggle sidebar Toggle sidebar
R

rmark45matsu

Reputable
Aug 23, 2014
398
0
4,960
I'm wondering if anyone could shed some light on the following question:
If I were to run crossfire r9 270x (4gb each) OC'd to 1.2 Ghz, could I game on a 4k display?
 
Solution
Ne1_dan
Yes you could play comfortably on 2 R9 270xs at high or maybe even Very high how ever would you not rather get one Brilliant card than two decent ones. Your decision just sometimes there is a few problems with double gpu set-ups but by now the technology should be good enough to run with no problems
Sort by date Sort by votes
Ne1_dan

Ne1_dan

Reputable
Aug 5, 2014
80
0
4,660
Yes you could play comfortably on 2 R9 270xs at high or maybe even Very high how ever would you not rather get one Brilliant card than two decent ones. Your decision just sometimes there is a few problems with double gpu set-ups but by now the technology should be good enough to run with no problems
 
Upvote 0 Downvote
Solution
JackNaylorPE

JackNaylorPE

Titan
BANNED
Oct 30, 2004
32,255
14
99,960
Depends on what you wanna play

metro_lastlight_3840_2160.gif


A 290 gets about 40 fps (58% scaling) in Metro last Light as I recall

The 270x gets about 14 fps in Metro LL....so figure 22 in CF .... about 20 fps in BF4 at 4k no AA



 
Upvote 0 Downvote
D

danco5074

Honorable
Feb 6, 2014
115
0
10,710


About right. Higher resolution is a bigger hog than people realize. I need to xfire my 290s just to get reliable 60+ FPS on 1440p. 4k, I would be around 30-40 in modern games.
 
Upvote 0 Downvote
R

rmark45matsu

Reputable
Aug 23, 2014
398
0
4,960
The 270x they use for the tests aren't exactly my card, I'm running 4gb per card, and that can go a long way in some games and on bigger displays, and my clock is 150 Mhz higher. Would this make a noticeable difference?
 
Upvote 0 Downvote
JackNaylorPE

JackNaylorPE

Titan
BANNED
Oct 30, 2004
32,255
14
99,960
Reviews like to grab the top end stuff and the ones that come later usually don't get a lot of attention ... tho since ya haven't told us what card you have, or what specific games you play, it's going to be hard for anyone to steer you tot he exact card. And it's not like any brand is going to have much different performance than another. As you can see in the graph above the Asus card was 0.6 fps faster than the reference card.

http://www.guru3d.com/articles_pages/msi_radeon_r9_270x_gaming_review,17.html
http://www.techpowerup.com/reviews/MSI/R9_270X_Gaming/24.html
http://benchmarkreviews.com/7361/sapphire-radeon-r9-270x-vaporx-video-card-review/?cbg_tz=420


2GB or 4GB will not affect performance in any measurable way (~ 1 fps).....doesn't at 1920 res....doesn't at 5760 res

http://alienbabeltech.com/main/gtx-770-4gb-vs-2gb-tested/3/

This leaves five games out of 30 where a 4GB GTX 770 gives more than a 1 frame per second difference over the 2GB-equipped GTX 770 [at 5760 x 1080]. And one of them, Metro: Last Light still isn’t even quite a single frame difference.

Of those five games, two of them are unplayable at 5760×1080 although in these cases, 4GB GTX 770 SLI would finally make some sense over 2GB GTX 770 SLI. That only leaves Lost Planet 2 and two racing games that gain some advantage by choosing a single GTX 770 4GB card over the single GTX 770 2GB. And in Lost Planet 2, we were able to add even higher anti-aliasing – from 8xAA to CSAA8XQ and to CSAA32X – but the performance difference was greatest with 8xAA.

There is one last thing to note with Max Payne 3: It would not normally allow one to set 4xAA at 5760×1080 with any 2GB card as it claims to require 2750MB. However, when we replaced the 4GB GTX 770 with the 2GB version, the game allowed the setting. And there were no slowdowns, stuttering, nor any performance differences that we could find between the two GTX 770s.
Click to expand...

And, yes this is a 770 and not a 270x but the result is the same, games can actually allocate more than 2 GB of memory don't show any significant fps increase .... and dropping from 4 Gb to 2GB showed no ill effects whatsoever. OTOH 4 K is more pixels than 5760 x 1080 but you will be limited far more by the 270x's capabilities than you will by 2 versus 4GB



 
Upvote 0 Downvote
matsamas

matsamas

Honorable
Aug 20, 2013
251
0
10,810
well my friend i can somehow help you.

First of all you have choosen a really bad 4k monitor which is unsuitable for gaming. it has really bad input lag and its not worth the money. before i bought mine which arrived yesterday,i spend like 10 days reading about this 4k affordavle monitors and i all i can say there is only one way to go and this is asus pb287q. I do highly reccomend if you are 100% sure to move on 4k. but once you go there is no way back to 1080p. Otherwise choose a 1440p monitor cuz no other 4k wotrh buying. The overall experience i have so far is amazing i am not changing it for nothing!

So lets say about your cards. Dont really look on beanchmarks since its differents. i have 2x Asus r9 280x dc2 top cards running at 1180/1680 and my results so far are borderlands 2 ultra amazingly smooth,bf4 online on custom settings(medium/high w/o ssAA AND AO,msaa x2) and yes i have in the worst case 55 fps,most cases arround 70 Is 100% playable. Leage of legends runs easily maxed out at 60fps,dark souls 2 on high really smooth,splinter cell black list on high smooth,grid 2 really smooth even on ultra around 80fps i can guess.last i tried today was fifa 15 and wth it was an eye candy game more than sport game! i havent tried any other game yet cuz i mainly play online games atm but soon i will try more...
I want to let you know that even on medium settings most of the games looks incredible at 4k resolution!
Most of the people said 4k was stupid and that my gpus will fail and cant handle 4k. well they were wrong and i was happy about it.

have in mind that my cards are more powerfull than yours.

if you are not interested only on high end graphics games like bf4,crysis etc then move on.

My Personal advice considering your gpus is get a 1440p monitor than a 4k. But if it is a gift then 4k all the way since the overall pc use change a lot.
everything is crystal clear and eye candy.... it makes me sitting on the pc for hours...
 
Upvote 0 Downvote
R

rmark45matsu

Reputable
Aug 23, 2014
398
0
4,960
Matsamas, do you have skype or another form of IM'ing, I would love to talk to you about your experiences.

I would be running with a display port 1.2 on the samsung so I would still be getting the 60 instead of 30 also the samsung would be 150$ less then the Asus
 
Upvote 0 Downvote
You must log in or register to reply here.

TRENDING THREADS

Latest posts

Moderators online

Share this page

COMPANY
RESOURCES
FOLLOW
Top Bottom