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120hz BenQ XL2420T Monitor Question

Forum Index > Tech Support
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DragonflySC2
Profile Blog Joined June 2012
United States146 Posts
December 04 2012 19:35 GMT
#1
Hey so I'm getting a computer with a Nvidia GTX680 and I am purchasing a BenQ XL2420T Monitor (120hz) as well.

Can I use this monitor with the graphics card?

ALSO

I see it has a list of input plugs, do I have to use ALL of them?

Graphics card Input:
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPortStandard Display Connectors

Monitor Input:
D-sub / DVI-DL (Dual Link) / HDMI x 2 / DP 1.2 / Headphone Jack

So if you can please comment below with the following answers:
1) Will it work?
2) Which plugs do I have to use

Thanks!
Learn from your losses, parade your wins
Infernal_dream
Profile Joined September 2011
United States2359 Posts
Last Edited: 2012-12-05 00:15:26
December 04 2012 19:37 GMT
#2
If you want to get 120 hertz as your framerate you'll have to use DP. If you can't pull 120 frames then there is no reason to get a monitor that supports it. You can use hdmi or DVI in that case. HDMI nor DVI have enough bandwith to support 120 fps. I don't think either of those come with a DP cable either so you'll have to buy one.

Edit: Dual link dvi also apparently does 120 hz. Was wrong on that.
DragonflySC2
Profile Blog Joined June 2012
United States146 Posts
December 04 2012 19:38 GMT
#3
On December 05 2012 04:37 Infernal_dream wrote:
If you want to get 120 hertz as your framerate you'll have to use DP. If you can't pull 120 frames then there is no reason to get a monitor that supports it. You can use hdmi or DVI in that case. HDMI nor DVI have enough bandwith to support 120 fps. I don't think either of those come with a DP cable either so you'll have to buy one.


Ok thanks.

So I would only need to connect it via display port? (for 120)
Learn from your losses, parade your wins
Infernal_dream
Profile Joined September 2011
United States2359 Posts
December 04 2012 19:40 GMT
#4
On December 05 2012 04:38 DragonflySC2 wrote:
Show nested quote +
On December 05 2012 04:37 Infernal_dream wrote:
If you want to get 120 hertz as your framerate you'll have to use DP. If you can't pull 120 frames then there is no reason to get a monitor that supports it. You can use hdmi or DVI in that case. HDMI nor DVI have enough bandwith to support 120 fps. I don't think either of those come with a DP cable either so you'll have to buy one.


Ok thanks.

So I would only need to connect it via display port? (for 120)


Yup.
DragonflySC2
Profile Blog Joined June 2012
United States146 Posts
December 04 2012 19:41 GMT
#5
On December 05 2012 04:40 Infernal_dream wrote:
Show nested quote +
On December 05 2012 04:38 DragonflySC2 wrote:
On December 05 2012 04:37 Infernal_dream wrote:
If you want to get 120 hertz as your framerate you'll have to use DP. If you can't pull 120 frames then there is no reason to get a monitor that supports it. You can use hdmi or DVI in that case. HDMI nor DVI have enough bandwith to support 120 fps. I don't think either of those come with a DP cable either so you'll have to buy one.


Ok thanks.

So I would only need to connect it via display port? (for 120)


Yup.


awesome
Learn from your losses, parade your wins
Flaek
Profile Joined September 2011
Denmark17 Posts
Last Edited: 2012-12-04 20:04:48
December 04 2012 20:04 GMT
#6
you can also get 120hz by using a dual link dvi cable
Desires
Profile Joined December 2010
Canada63 Posts
December 04 2012 20:29 GMT
#7
I currently have both and you only need the dual link DVI cable which the monitor comes with.
short
Profile Joined January 2011
Sweden148 Posts
December 04 2012 20:45 GMT
#8
On December 05 2012 04:37 Infernal_dream wrote:
If you want to get 120 hertz as your framerate you'll have to use DP. If you can't pull 120 frames then there is no reason to get a monitor that supports it. You can use hdmi or DVI in that case. HDMI nor DVI have enough bandwith to support 120 fps. I don't think either of those come with a DP cable either so you'll have to buy one.

This is false. Dual link DVI supports 1920x1080@120hz, as confirmed both by the specs and the fact that I'm running it right now.
DragonflySC2
Profile Blog Joined June 2012
United States146 Posts
December 04 2012 21:22 GMT
#9
Okay thanks guys
Learn from your losses, parade your wins
Grokken
Profile Joined June 2010
Sweden245 Posts
December 04 2012 21:25 GMT
#10
I am currently using that monitor with a gtx 680. It should work fine, but as people already mentioned you need either dual link DVI or display port to get 120hz. You will get up 60hz if you use HDMI. A dual link DVI cable was included when I bought my monitor, but it it isnt included it shouldn't be too hard to find a place that sells them.
[N3O]r3d33m3r
Profile Blog Joined July 2010
Germany673 Posts
December 04 2012 21:52 GMT
#11
On December 05 2012 04:37 Infernal_dream wrote:
If you can't pull 120 frames then there is no reason to get a monitor that supports it

When will noobs stop posting this stupid info which is completely false?
The framerate doesn't matter, it just looks extra nice with 120fps too but it doesn't matter.
DragonflySC2
Profile Blog Joined June 2012
United States146 Posts
December 04 2012 22:07 GMT
#12
On December 05 2012 06:25 Grokken wrote:
I am currently using that monitor with a gtx 680. It should work fine, but as people already mentioned you need either dual link DVI or display port to get 120hz. You will get up 60hz if you use HDMI. A dual link DVI cable was included when I bought my monitor, but it it isnt included it shouldn't be too hard to find a place that sells them.


Sweet thanks!
Learn from your losses, parade your wins
RiSkysc2
Profile Joined September 2011
696 Posts
December 04 2012 22:10 GMT
#13
On December 05 2012 06:52 [N3O]r3d33m3r wrote:
Show nested quote +
On December 05 2012 04:37 Infernal_dream wrote:
If you can't pull 120 frames then there is no reason to get a monitor that supports it

When will noobs stop posting this stupid info which is completely false?
The framerate doesn't matter, it just looks extra nice with 120fps too but it doesn't matter.

Sorry but this is absolutely wrong, if you're not pulling anymore than 60fps in game, there will literally be 0 difference compared to a normal 60 hz monitor.
DragonflySC2
Profile Blog Joined June 2012
United States146 Posts
December 04 2012 23:02 GMT
#14
i pull around 80-over 120 on this computer so i imagine it will be better on the new one
Learn from your losses, parade your wins
Infernal_dream
Profile Joined September 2011
United States2359 Posts
December 05 2012 00:15 GMT
#15
On December 05 2012 06:52 [N3O]r3d33m3r wrote:
Show nested quote +
On December 05 2012 04:37 Infernal_dream wrote:
If you can't pull 120 frames then there is no reason to get a monitor that supports it

When will noobs stop posting this stupid info which is completely false?
The framerate doesn't matter, it just looks extra nice with 120fps too but it doesn't matter.


You're the one spreading misinfo. If you only gets 60 frames or less then your monitor can't display more than 60 frames. It's not going to magically show frames that your computer isn't rendering.

DPK
Profile Joined May 2011
Canada487 Posts
December 05 2012 00:18 GMT
#16
On December 05 2012 07:10 RiSkyToss wrote:
Show nested quote +
On December 05 2012 06:52 [N3O]r3d33m3r wrote:
On December 05 2012 04:37 Infernal_dream wrote:
If you can't pull 120 frames then there is no reason to get a monitor that supports it

When will noobs stop posting this stupid info which is completely false?
The framerate doesn't matter, it just looks extra nice with 120fps too but it doesn't matter.

Sorry but this is absolutely wrong, if you're not pulling anymore than 60fps in game, there will literally be 0 difference compared to a normal 60 hz monitor.


Exactly, the only difference is that the 120hz monitor will allow you to play in 3d if you are willing to.
Desire.Discipline.Dedication
Womwomwom
Profile Blog Joined September 2009
5930 Posts
December 05 2012 03:25 GMT
#17
HDMI 1.4, dual-link DVI, and DisplayPort all can push 120hz. With HDMI 1.4, be careful because some implementations prevent you from using all of its bandwidth. Its a noted problem with the Benq XL2420 model that doesn't come with glasses/emitter and some 2560x1440 screens (i.e. Dell U2711). DisplayPort is better anyway.

Assuming the 120hz monitor has perfect overdrive application (so not Benq), 60hz gaming on it will be slightly better than 60hz monitors since its still refreshing the screen faster than a 60hz monitor so there's still theoretically less latency between frames. The problem is that there are a lot of very good 60hz monitors and a lot of very good monitors that can push 72-75hz (you can Google but a few IPS monitors can do this) that have better image quality, good overdrive settings, and lower prices than a good 120hz native monitor.


DragonflySC2
Profile Blog Joined June 2012
United States146 Posts
December 05 2012 04:32 GMT
#18
On December 05 2012 12:25 Womwomwom wrote:
HDMI 1.4, dual-link DVI, and DisplayPort all can push 120hz. With HDMI 1.4, be careful because some implementations prevent you from using all of its bandwidth. Its a noted problem with the Benq XL2420 model that doesn't come with glasses/emitter and some 2560x1440 screens (i.e. Dell U2711). DisplayPort is better anyway.

Assuming the 120hz monitor has perfect overdrive application (so not Benq), 60hz gaming on it will be slightly better than 60hz monitors since its still refreshing the screen faster than a 60hz monitor so there's still theoretically less latency between frames. The problem is that there are a lot of very good 60hz monitors and a lot of very good monitors that can push 72-75hz (you can Google but a few IPS monitors can do this) that have better image quality, good overdrive settings, and lower prices than a good 120hz native monitor.





yea my current monitor is an Asus VH236H that gets up to 75hz but it only gets up to 60hz in 1920x1080
Learn from your losses, parade your wins
[N3O]r3d33m3r
Profile Blog Joined July 2010
Germany673 Posts
December 23 2012 15:12 GMT
#19
On December 05 2012 12:25 Womwomwom wrote:
HDMI 1.4, dual-link DVI, and DisplayPort all can push 120hz. With HDMI 1.4, be careful because some implementations prevent you from using all of its bandwidth. Its a noted problem with the Benq XL2420 model that doesn't come with glasses/emitter and some 2560x1440 screens (i.e. Dell U2711). DisplayPort is better anyway.

Assuming the 120hz monitor has perfect overdrive application (so not Benq), 60hz gaming on it will be slightly better than 60hz monitors since its still refreshing the screen faster than a 60hz monitor so there's still theoretically less latency between frames. The problem is that there are a lot of very good 60hz monitors and a lot of very good monitors that can push 72-75hz (you can Google but a few IPS monitors can do this) that have better image quality, good overdrive settings, and lower prices than a good 120hz native monitor.



this is correct. to all the people trying to correct me:
you guys are wrong, the refresh rate of the monitor has NOTHING to do with the ingame frames.
that's why i keep wondeirng when scrubs like you guys will llearn it
elimzkE
Profile Joined May 2011
Australia92 Posts
December 23 2012 15:29 GMT
#20
I personally use DVI Dual Link on my BenQ XL2420T. I'm primarily a competitive FPS gamer, so the 120Hz is extremely noticeable and makes for a very impressive improvement over the standard 60Hz.
To the people saying "if you can't push 120FPS you won't notice the difference from 60Hz" you're quite wrong. The only scenario where this is true is if you have vsync enabled.

I recommend using DVI DL over HDMI and DisplayPort since it's generally higher quality, slightly less latency and in my experience has less that can go wrong. If you're running a GTX680, there are very few games that will fail to push 120FPS ingame, so enjoy the silky smooth gameplay ^_^

(Protip: the Black Equalizer on the XL2420T is incredibly useful if you're a competitive gamer)
"First there was eLim. Then there was skill."
DragonflySC2
Profile Blog Joined June 2012
United States146 Posts
Last Edited: 2012-12-23 17:54:51
December 23 2012 17:54 GMT
#21
On December 24 2012 00:29 elimzkE wrote:
I personally use DVI Dual Link on my BenQ XL2420T. I'm primarily a competitive FPS gamer, so the 120Hz is extremely noticeable and makes for a very impressive improvement over the standard 60Hz.
To the people saying "if you can't push 120FPS you won't notice the difference from 60Hz" you're quite wrong. The only scenario where this is true is if you have vsync enabled.

I recommend using DVI DL over HDMI and DisplayPort since it's generally higher quality, slightly less latency and in my experience has less that can go wrong. If you're running a GTX680, there are very few games that will fail to push 120FPS ingame, so enjoy the silky smooth gameplay ^_^

(Protip: the Black Equalizer on the XL2420T is incredibly useful if you're a competitive gamer)


yea i have iit now and use 120hz on dual link dvi

I push 300 fps in SC2 LOL
Learn from your losses, parade your wins
Womwomwom
Profile Blog Joined September 2009
5930 Posts
Last Edited: 2012-12-24 14:13:48
December 24 2012 14:13 GMT
#22
On December 24 2012 00:29 elimzkE wrote:
I recommend using DVI DL over HDMI and DisplayPort since it's generally higher quality, slightly less latency and in my experience has less that can go wrong.


Can you please quantify this claim if possible?
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