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<blockquote data-quote="Lehmden" data-source="post: 847478" data-attributes="member: 109222"><p>Hi.</p><p>I am a user of this "holy grail" and I can tell you, it's the best HTPC GPU I've seen so far. But this did not mean you can't use anything else...<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p>Most of the OnBoard GPU are not really powerfull. If they are (like Intel SandyBridge or AMD LLiano / Zacate) full HTPC taste (incl. VA Deinterlacing) can be there. But there are still some limitations every OnBoard GPU has. First of all the RAM gateway. On extra Graphics card own RAM is used. This is much faster than the "normal" Ram also used by CPU. So every OnBoard GPU is limited by this bottleneck. Another limitation is the 24p bug on recent SandyBridge Chipsets and the really buggy drivers from AMD/ATI (not limited to onboard GPU). Bigger Nvida Cards are too noisy (no passive cooling available) and power consuming, smaller ones did not have the full power of the GT430. So that's the reason why NVidia's GT430 is the "holy grail" nowadays.</p><p> </p><p>To be concrete, your HD4200 is not powerful enough to do full Vector Adaptive Deinterlacing on 1080i material. If you can see this depends on your setup and your eyes...</p><p> </p><p>You're right 720p is one of the HD formats used by some broadcast stations. If 720P or 1080i looks better depends on the source and your hardware. In Germany 720p is used by all non commercial stations where all commercial (private) stations are using 1080i. A few of the 1080i stations, mainly Servus TVHD (Red Bull TV station) and SKY (big PayTV station) sometimes delivers good HD quality with 1080i. But most of them are crap and did not look much better than SDTV. Then the 720P Stations have much better picture.</p><p> </p><p>For SDTV PAl/NTSC is used what means 576i/480i resolution.</p><p> </p><p>I stays for "interlaced" so only every second line is broadcasted to limit bandwidth. The missing lines (half of the picture) has to be recalculated in real time by your hardware. So all I formats are using lot of GPU power.</p><p>That's why 1080i is the most power consuming format around there. If your hardware can handle 1080i it can handle all 2D formats without any issues.</p></blockquote><p></p>
[QUOTE="Lehmden, post: 847478, member: 109222"] Hi. I am a user of this "holy grail" and I can tell you, it's the best HTPC GPU I've seen so far. But this did not mean you can't use anything else...;) Most of the OnBoard GPU are not really powerfull. If they are (like Intel SandyBridge or AMD LLiano / Zacate) full HTPC taste (incl. VA Deinterlacing) can be there. But there are still some limitations every OnBoard GPU has. First of all the RAM gateway. On extra Graphics card own RAM is used. This is much faster than the "normal" Ram also used by CPU. So every OnBoard GPU is limited by this bottleneck. Another limitation is the 24p bug on recent SandyBridge Chipsets and the really buggy drivers from AMD/ATI (not limited to onboard GPU). Bigger Nvida Cards are too noisy (no passive cooling available) and power consuming, smaller ones did not have the full power of the GT430. So that's the reason why NVidia's GT430 is the "holy grail" nowadays. To be concrete, your HD4200 is not powerful enough to do full Vector Adaptive Deinterlacing on 1080i material. If you can see this depends on your setup and your eyes... You're right 720p is one of the HD formats used by some broadcast stations. If 720P or 1080i looks better depends on the source and your hardware. In Germany 720p is used by all non commercial stations where all commercial (private) stations are using 1080i. A few of the 1080i stations, mainly Servus TVHD (Red Bull TV station) and SKY (big PayTV station) sometimes delivers good HD quality with 1080i. But most of them are crap and did not look much better than SDTV. Then the 720P Stations have much better picture. For SDTV PAl/NTSC is used what means 576i/480i resolution. I stays for "interlaced" so only every second line is broadcasted to limit bandwidth. The missing lines (half of the picture) has to be recalculated in real time by your hardware. So all I formats are using lot of GPU power. That's why 1080i is the most power consuming format around there. If your hardware can handle 1080i it can handle all 2D formats without any issues. [/QUOTE]
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