http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/ Engadget HD Comments for http://www.engadgethd.com/media/feedlogo.gif http://www.engadgethd.com en-us Copyright 2008 Weblogs, Inc. The contents of this feed are available for non-commercial use only. Blogsmith http://www.blogsmith.com/http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/
I hope Sony shows more stuff soon though. I hate having someone describe something to you, second-hand.]]>Feb 11th 2006 3:13PMhttp://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/Feb 11th 2006 4:29PMhttp://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/
"Blu-ray single speed transfers data at a constant rate of 36Mbps (Megabits per second) or 4.5 MBps (Megabytes per second)... ... DVD single speed is rated at a little over 1.32MBps max. A 12X DVD, such as the one in the Xbox 360, transfers data at rates between 8.2 and 16.5 MBps for an average of around 13MBps."

Sounds like single speed actually doubles 12XDVD... I could be wrong. I don't know this to be true, just passing on info. Later...]]>Feb 11th 2006 4:41PMhttp://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/
a 12x DVD drive varies from 8 - 16 megaBYTES per second depending on where the data is being read (inner edge slower than outer edge of the disc)

You won't see single speed Blu-ray drives because it would be too slow to play the movies, check here for more info:

http://www.blu-ray.com/faq/
speeds below are in MegaBITS(Mbps), divide by 8 for speed in megaBYTES (MBps).

" How fast can you read/write data on a Blu-ray disc?


According to the Blu-ray Disc specification, 1x speed is defined as 36Mbps. However, as BD-ROM movies will require a 54Mbps data transfer rate the minimum speed we're expecting to see is 2x (72Mbps). Blu-ray also has the potential for much higher speeds, as a result of the larger numerical aperture (NA) adopted by Blu-ray Disc. The large NA value effectively means that Blu-ray will require less recording power and lower disc rotation speed than DVD and HD-DVD to achieve the same data transfer rate. While the media itself limited the recording speed in the past, the only limiting factor for Blu-ray is the capacity of the hardware. If we assume a maximum disc rotation speed of 10,000 RPM, then 12x at the outer diameter should be possible (about 400Mbps). This is why the Blu-ray Disc Association (BDA) already has plans to raise the speed to 8x (288Mbps) or more in the future. "


12x DVD speed = 16,230.47KB/s = 15.849609375megaBYTES/sec

http://www.matisse.net/bitcalc/
http://www.osta.org/technology/dvdqa/dvdqa4.htm]]>Feb 11th 2006 7:37PMhttp://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/
Many people expect the discs to be the full 9gb (that is why we are going with blu-ray for sony right?), so I assume it hits the full speed.

The only problem is...the speed they go with right now, is probably the speed they are going to have to stay with for the life of the console. You cant go with a 2x now, 2 years from now upgrade to 4x. What is the point? Developers cant expect to see a 4x drive, when you have the possibility that the majority (assume most people buy it at the beginning) have a 2x drive. So you are calling for 150 megabits/sec, when most consoles can only get 75 megabits/sec.]]>Feb 11th 2006 9:58PMhttp://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/
A 12x DVD drive would not even be close to a 4x blu-ray drive through most of the disc, and it would only be close, but still slower at the very outer edge of the disc, compared to a Blu-ray drive that would read at 18MBps everywhere.

To say a 2x Blu-ray drive compares to a 12x DVD drive speed-wise is a pretty accurate statement in my opinion, it's not a big difference. The key element here is that for stuff like game data, if designers do suddenly fill up the disc w/ 20gb's of textures, it would take an incredibly long time to load them, so it is unlikely many games will really take advantag of the space, other than FMV playback.


]]>Feb 11th 2006 10:27PMhttp://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/
Now...if they dont fill the disk because it would take so long to load, is there a point then? The console industry, your hardware has to be the same (spec-wise) for the life of that console. You can add on (like say MS's add on HD-DVD drive), but you can not require that add on be there for game developers to develop for (people may not have it).

So...is there a point to blu-gen in the gaming world right now, outside of Sony trying to avoid losing another format war?]]>Feb 12th 2006 11:03AMhttp://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/Jul 5th 2006 4:51AMhttp://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/http://www.engadgethd.com/2006/02/11/playstation-3-hands-on-is-1080p-gaming-in-the-cards/Jul 5th 2006 5:59PM