Set 360 to 720p or 1080i with 1,366 x 768 LCD? - AVS Forum
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Old 06-07-2006, 03:54 PM - Thread Starter
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I have a Samsung LN-R238WA 26" Widescreen HDTV-Ready Flat-Panel LCD TV with the following specs (the same LCD model in 360 store displays):

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1,366 x 768 native pixel resolution; accepts HD signals up to full 1080i; includes HDMI and PC inputs
Amazing 3,000:1 contrast ratio, high 500 cd/m2 brightness, broad 170-degree viewing angles (H x V)

Connections include 2 component-video inputs (480i/480p/720p/1080i), a direct-digital HDMI (High-Definition Multimedia Interface), a PC input (15-pin D-Sub with minijack analog audio), 2 composite-video inputs, 1 S-video input, 1 RF input, 5 attendant sets of stereo (left/right) RCA audio inputs, and 1 stereo RCA audio output. The set's Anynet (RS-232C) control option simplifies use with other Samsung audio/video components.
Will the games look better with a 720p or 1080i Xbox 360 setting? I'm not sure which is best because I THINK my LCD upconverts both modes, but I could be wrong.
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Old 06-07-2006, 04:20 PM
 
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I tried both on a 40" Sammy LCD.. Honestly I don't think you'll be able to tell the difference and if so it will be very slight. If there were games that rendered at 1080i I'd probably send that signal out but I'm not sure if there are.
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Old 06-07-2006, 04:30 PM
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I recomend 720p, but it could be argued either way.
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Old 06-07-2006, 05:15 PM
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Why don't you try both resolutions and tell us what your results were?

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Old 06-07-2006, 08:43 PM
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If you are the one viewing it, why not try both and pick what you like the best. Who cares what "technically" might be right if it looks worse to you?
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Old 06-07-2006, 09:35 PM
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you should also try the VGA cables so that the 360 will convert the signal and your set has less work to do.
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Old 06-08-2006, 01:12 AM
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I would suggest 720p for best results with Component on a digital panel , or 1360x768 with VGA (if your native panel rez is 1366x768) . I would suggest 1080i for a 1080p digital panel in which case you would have to use Component because VGA does not do 1080i on the 360 .

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Old 06-08-2006, 01:12 AM - Thread Starter
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Quote:
Originally Posted by jeanson
you should also try the VGA cables so that the 360 will convert the signal and your set has less work to do.
That's a good idea, and maybe it would solve another problem I have with this LCD? XBox games look absolutely terrible wether I play them through an original Xbox connected with Monster componant cables, or use the backwards compatability feature of the 360.

The 360 games look totally awesome on my LCD, but the original Xbox games look very gritty, pixelated, and low-res. In fact, they look nicer on my regular 480i TV. I have made sure that my LCD and cables are not defective.

If anyone has insight on this, I would love to hear it because no one has been able to explain this oddity so far.
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Old 06-08-2006, 08:15 AM
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Quote:
Originally Posted by Deckard2019

The 360 games look totally awesome on my LCD, but the original Xbox games look very gritty, pixelated, and low-res. In fact, they look nicer on my regular 480i TV. I have made sure that my LCD and cables are not defective.
I had the same problem w/ my ps2 when I hooked it up to my new bigscreen w/ component cables. It just looked "blah". I think that XBOX and PS2 look good on regular televisions but just weren't made for HDTVs.

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Old 06-09-2006, 04:05 PM
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1080i is harder on the cpu?
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Old 06-09-2006, 04:42 PM
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Nah, the 360 has a special chip dedicated to handling the scaling. The only exception is there are a few games which are easier on the CPU and such in 480 line output modes, but 1080i takes the same work as everything else thanks to the hardware scaler built into the console.
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Old 06-09-2006, 04:59 PM
 
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does Tomb Raider run natively in 1080i? IGN indicated a decrease in smoothness when set to 1080i (as well as noticing more detail).
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Old 06-09-2006, 05:11 PM
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IGN should put down the crackpipe. ;)
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Old 06-10-2006, 11:44 AM
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A lot of games are limited by their GPU performance (PixelShaders) so increasing the resolution is not an option. And if they aren't then the EDRAM limitations of the XBox360 GPU will force them into a ridiculous number of predicated tiling passes. It's safe to bet that most people are renderring at 1280x720 resolution.

What happens when you select 1080i in the dashboard is that you activate the hardware scaler of the XBox360, it'll take the image and scale it (4 tap filter H & V, very good quality) to the resolution you selected.

So 720p might look better since the image will only be scaled one time (by the television). I'm not sure if there's a case where upscaling an image on the 360 and dowscaling it on the TV would produce a better image (maybe if the TV isn't 720p native and the scaler is much better at handling 1080i signal).
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Old 06-12-2006, 06:36 AM
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Just to chime in. I compared both resolutions on my 60in lcd and I found and ever so slightly better looking picture with 720p. Not enough to fuss about. Sometimes I play on one resolution for a couple of weeks then I switch back to the other just to see if I'll ever notice a difference. My set is native 788p for info purposes.
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Old 06-12-2006, 08:26 AM
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I use whatever the game recommends...For instance on FNR3 it says 1080i but 720p actually gives the full picture although 1080i cuts the picture off a bit...But the quality is the same.
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Old 06-12-2006, 08:51 AM
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Quote:
Originally Posted by Deckard2019
That's a good idea, and maybe it would solve another problem I have with this LCD? XBox games look absolutely terrible wether I play them through an original Xbox connected with Monster componant cables, or use the backwards compatability feature of the 360.

The 360 games look totally awesome on my LCD, but the original Xbox games look very gritty, pixelated, and low-res. In fact, they look nicer on my regular 480i TV. I have made sure that my LCD and cables are not defective.

If anyone has insight on this, I would love to hear it because no one has been able to explain this oddity so far.
Really? My old Xbox games look marvelous at 1080i component on my XBR 960.
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Old 06-12-2006, 09:45 AM
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They would look a lot more marvelous if the 360 game was acutally rendering them at the higher resolutions used for native 360 games. I'm pretty sure is the difference Deckard is speaking of.
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Old 06-12-2006, 04:52 PM
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I have mine setup to output 720p and, in my opinion, it looks better than 1080i (albeit, only slightly better but noticeable) on my 50" Panasonic plasma. As others have stated, try both and see which one you like better.

360 games will look the best in 720p/1080i (obviously). Xbox games (i.e., Halo 2) looks better at 1080i than 720p (again, IMO).

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Old 06-12-2006, 07:23 PM
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i need some advice myself..
I've been waiting for the new Sharp LC37D90U (1080p LCD).
I was planning on using the VGA cable w/ a DVI-I adapter.
Would I be better off with a 720p LCD instead of a 1080p set?
Will the upscaling give me a better or equal picture to a set closer to the
360's native res...
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Old 06-12-2006, 09:44 PM
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Quote:
Originally Posted by CLANK
1080i is harder on the cpu?


Yup and GPU

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Old 06-12-2006, 09:52 PM
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Not on the 360. The CPU and GPU and memory and all of that are under the same workload either way, the buit in scaler just takes their results and handles changing the output resolution.
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