HP 2311xi IPS Monitor
by Chris Heinonen on August 13, 2012 12:15 AM ESTHP 2311xi - Input Lag and Power Use
One area where the 2311xi does much better than its budget price would indicate is in our lag testing. Input lag ranged from 1-3ms on testing, showing very little delay at all. The response time from blue to yellow to blue was only around 20-22ms as well, giving us a total lag result of 13ms. This is a decent amount under 1 frame of lag and should be adequate for even demanding users, and this was with the Overdrive feature disabled. Overdrive being enabled made no noticeable difference with lag or delay time, but might help slightly with blurring. Overall these are some very impressive numbers for the gamers out there who might be considering using this panel.
Power use on the 2311xi was a high point as well. With the backlight at maximum it uses a miserly 26W of power, and that drops down to 12W at minimum levels. Finding a monitor that uses less power than this might be possible, but you will likely only save a watt or two over the HP. All the examples in our database that use less are either smaller panels, or TN panels instead of IPS. There is nothing I can complain about with the power usage of the HP 2311xi; it does fantastic here.
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Khenglish - Monday, August 13, 2012 - link
When I saw that a 23" version of a 27" screen was being released, I was hoping that it would be the same 2560x1440 resolution. Sadly it was not.Why can't anyone make a monitor with a pixel density higher than my 2002 CRT? A 19" 2560x1600 screen would be awesome and I would pay a lot for it. I'd rather not have to turn my head to look from one corner to the other with a 27" or 30" screen.
tecknurd - Monday, August 13, 2012 - link
Manufacturing a CRT to display high resolutions like 2560 by 1600 does not require much. The electronics are what is require to handle resolutions. LCD on other hand, silicon cost a lot to make that amount of pixels and the high performance panel driver is then needed, so LCD has two pricey hardware to make a finish product. CRT just need the electronics.Using a 27 inch or 30 inch screen, you just need to sit further from it to see it all at once.
Sabresiberian - Monday, August 13, 2012 - link
Really, the problem of price isn't as much of a barrier as we've been lead to think, as the influx of $300 (including shipping for S. Korea) 2560x1440 monitors has shown. Also, there are inexpensive phones and tablets that have far higher pixel densities than the monitors currently available.As far as using a bigger screen and sitting farther back - wut? That's, uh, not very practical and really makes no sense.
;)
Zoomer - Tuesday, August 14, 2012 - link
These korean monitors get lower grade panels. In other words, panels that are rejected for inclusion in top brands like Apple, HP, Dell, etc. That's why they are priced at that point.Phones and tablets use must smaller screens, and therefore, exponentially easier to make without defects.
scarhead - Monday, August 13, 2012 - link
They will come before long. There's already a 15" laptop with 2880 x 1800.janderk - Monday, August 13, 2012 - link
High res displays have been here for a long time. Problem is price.For the price of that Apple laptop you mentioned, you can buy 15 HP IPS monitors. What is a shame is that all other Apple laptops feature low quality TN displays.
It is quite revolutionary that you can buy a good IPS display for $200. One with 1200 vertical pixels even. I remember paying 1600 Euro for my 23" HP 2335 IPS display some years ago.
janderk - Monday, August 13, 2012 - link
Correction to myself: The display is 1080. Not 1200.KZ0 - Monday, August 13, 2012 - link
Macbook Pro Retina uses an IPS panel.http://www.anandtech.com/show/5998/macbook-pro-ret...
janderk - Monday, August 13, 2012 - link
That's why I said "all other".Tetracycloide - Monday, August 13, 2012 - link
I believe that's the one scarhead was referring to and the one janderk was excluding when he said 'all OTHER Apple laptops.'