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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Cirruslvr who wrote (43969)	12/24/1998 1:16:00 AM
From: Elmer	Respond to of 1586667

Re: "Why do you keep refering to NT when there were no Katmai and K7 benchmarks run on NT? No conclusions can be made about NT performance. " Because the P6 architecture runs ~35% faster under NT than it does under Win95/98 however the K6 does not show this much difference. I don't know about the K7. The numbers posted for the Katmai were far slower than numbers recorded by a much lower frequency PII, so it seems reasonable to call for NT scores as well. Re: "Whoa, that is fast. Is this the speed the video card interacts with the rest of the system or just the system RAM? What's the point of a fast AGP port if the rest of the system communicates at half that rate?" The Camino chipset will allow AGP to memory transactions at over 1GB per sec (266.6Mhz * 4 bytes). Overall memory bandwidth will be ~1.6GBps. EP

To: Cirruslvr who wrote (43969)	12/24/1998 1:48:00 AM
From: Petz	Respond to of 1586667

Cirruslvr, re: K7 benchmarks. Bob Silvano at AMD said at least four times in a recent interview that "there will be no 500 MHz K7." So the fact that, even at 500 MHz the K7 is a couple speed grades above the Katmai is indicative of things to come. Petz

To: Cirruslvr who wrote (43969)	12/24/1998 2:17:00 AM
From: Tenchusatsu	Respond to of 1586667

<What's the point of a fast AGP port if the rest of the system communicates at half that rate?> The processor bus on the Camino chipset runs at 133 MHz over 64 bits. The AGP bus (well, not really a bus, but I'll call it one) in 4x mode runs at 266 MHz over 32 bits. It's cheaper to double the frequency using source-synchronous strobes than to double the number of pins on the graphics device. The only problem is that the AGP card must be able to support 4x mode, or else the AGP connection will slow down to either 2x or 1x mode depending on the card. Right now, there aren't any AGP 4x cards out there (duh), but perhaps those guys working on the Camino chipset and the AGP 4x bus have some validation partners who are simultaneously working on AGP 4x cards. Tenchusatsu