Tuesday, January 20
4K Or Not 4K
Guess the answer is 4K. Dick Smith has the Samsung U28D590D on sale for $499 right now, and even had it in stock at my local store, so I trotted over there at lunchtime and got one.
Guess the answer is 4K. Dick Smith has the Samsung U28D590D on sale for $499 right now, and even had it in stock at my local store, so I trotted over there at lunchtime and got one.
This is one I considered and rejected before, because it's a TN rather than an IPS panel. Having now had a chance to look at one up close... Frankly, if they'd said it was IPS I probably would have believed them. It doesn't have the characteristic colour shift of TN when viewed at a sharp angle, though there is a brightness/contrast shift. I think it will do fine.
Also, at $499 for a 28" 4K monitor, I'm willing to forgive a few minor foibles. Just 15 months ago the only 4K monitor for sale here cost $4200.
The stand does wobble if you poke it, which is the first thing every review comments on. Samsung, spend another $5 on the stand for next year's model, okay?
Review later once I finish work for the day and have a chance to set it all up.
Update: The display glitches when I run it on DisplayPort at the full 4k@60Hz. It doesn't glitch on HDMI running 4k@30Hz. I'll try it with a different DisplayPort cable as soon as I can find one.
Running at 30Hz isn't a killer, but you do notice, so I'm really hoping that it will be happy at 60Hz with a cable swap.
Update: Some other people have reported these issues with this monitor and Radeon video cards, and the solution is to find a better cable. So I'll do that. Meanwhile:
Also on the plus side, I plugged it into my new notebook, and it worked immediately. Only 4k@30Hz, but many notebooks have trouble running higher than 1080p for an external display, so I'm happy with that.
Posted by: Pixy Misa at
02:25 PM
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What do "TN" and "IPS" mean?
Posted by: Steven Den Beste at Tuesday, January 20 2015 03:21 PM (+rSRq)
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TN is "twisted nematic". IPS is "in-plane switching".
I'm a little fuzzy on exactly how this works at the molecular level, but as I understand it, in a TN panel the liquid crystals are perpendicular to the screen, where in IPS they're parallel - in the plane of the screen, hence the name.
The result is that IPS panels look much the same from any angle, where TN panels can have a pronounced colour shift at sharp angles - in cheap screens, the colours can be completely inverted if you view the monitor from a 45 degree angle above. This monitor showed almost none of that.
I'm a little fuzzy on exactly how this works at the molecular level, but as I understand it, in a TN panel the liquid crystals are perpendicular to the screen, where in IPS they're parallel - in the plane of the screen, hence the name.
The result is that IPS panels look much the same from any angle, where TN panels can have a pronounced colour shift at sharp angles - in cheap screens, the colours can be completely inverted if you view the monitor from a 45 degree angle above. This monitor showed almost none of that.
Posted by: Pixy Misa at Tuesday, January 20 2015 03:57 PM (PiXy!)
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