Nou, slide 20 is een leugen, das niet zo netjes van NVIDIA.
En als het commentaar op slide 19 klopt, dan is HD Decoding behoorlijk inferieur ten opzichte van ATi
19. The one is called "The Benefit - Unprecedented Performance", and it has a chart comparing the 7900GT to the 8800GT and a Core 2 Number Numeral E6400 thrown in for good measure. Decoding HD content, the 8800GT hovers around 20 per cent CPU use, the 7900GT in the low 60s for 3 of the 4, and the E6400 at 80-90%. The graph itself it titled "H.264 Decode: Core 2 Duo E6400 vs. GeForce 7900GT vs. GeForce 8800GT". Note the H.264 very carefully. The bottom has "Lower CPU utilization provides reduced power consumption, and less system noise."
I am going to call bullshit on slides 18 and 19. Nvidia is trying to make it sound like its video decoding works, but it doesn't. It is being really careful to omit VC1, the protocol that the overwhelming majority of HD disks use right now. It also clearly omits any reference to ATI parts in this section so far, but it has them because it uses them earlier and later.
Basically, the reason here is that it can't do the critical step in the decode under VC1. It can do it under H.264 and AVC, but not the one that anyone cares about. Because of this, the HD decode of 8-series NV parts is absolutely horrible if you are using VC1, and most disks do.
NV picked the codecs and disks that don't use VC1 in a cynical attempt to pretend their decode isn't absolute crap. It is. ATI has the full decode in hardware, and the results show it. NV doesn't have it so it has to dodge the question and hope site owners are too dumb to test things. Sadly, it will probably snow most reviewers on this one.
Basically, look at the chart above, and look at the things NV uses to compare. It doesn't compare 8800GT to a GTX, GTS or 8600, no, they use a 7900. Curious, eh? No ATI comparison, or even a mention of VC1 codecs even thought it has the majority of titles on the market.
I wonder what Nvidia is afraid of? A masterful job of selectively quoting the truth there guys, you should be in politics or WMD hunting.
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