ToTTenTranz disse:Anda tudo abismado com as GDDR3 a 1800Mhz mas parece que já todos se esqueceram que as proximas evoluções do R520 vão levar GDDR4.
E tambem já se viu uma (ou mais?) R520 actual a chegar aos 1Ghz (e a 800Mhz sem ser em condições "extremas").. É tudo uma questão de deixar optimizar os processos de fabrico e meter mais uns gramas de cobre nos coolers..
Não estou a dizer que uma hipotética 7800GTX 512Mb a 550/1800 não dê grande baile à X1800XT, porque dá de certeza.
Apenas não sei se na altura em que sair a sua rival será a X1800XT. (Ou se não for na altura quem sabe 1 mês depois)(...)
There is one more thing that we wanted to pull out of the release notes that we are sure many have overlooked. The last time NVIDIA announced a new driver, the 7800 GT was just around the corner. We are not going to start speculating but there is an interesting read on two pages in the release notes. The first appears on page 49 and states...
The second appears on page 50 and states the following...
We have nothing more to say about this but thought it was worth pointing out what NVIDIA stated about new GPU support. We will leave you to the rumor mills and the juicy gossip you hear on the forums.
Nvidia nails R520XT with 512MB 7800 GTX
It's Ultra you know but we call it GTX
By Fuad Abazovic: quarta-feira 02 novembro 2005, 14:03
NVIDIA'S UPCOMING Geforce 7800 GTX 512 MB version is going to be one heck of a card.
This card really looks great and we managed to confirm the data that we wrote about it yesterday. You can find that here.
We still don’t know the price of this card but it really puts ATI's Radeon X1800XT in a very hard position. This card is competing well versus old Geforce 7800GTX with 256MB of memory clocked at 430MHz core and 1200MHz but I don’t think that R520, Radeon X1800XT has much chance against 550MHz core and 1800MHz memory. Nvidia got it right this time and just nailed ATI.
Nvidia misdirected us trying to sell the story to its partners that there won't be any G70 Ultra but what the company did is just renamed this project to Geforce 7800 GTX 512MB and decided to stick with the same name. Nvidia already did this when renaming NV47 to G70, and in the end we learned that we are talking about the same chip all the time. So Geforce 7800 GTX 512 MB is what we used to call the 7800 Ultra and it has every sign to be very fast. It was a sneaky move from Nvidia but never mind, as long as it takes Nvidia back to the performance crown. This time we are not talking about a frame here and there, we are expecting a massive performance lead.
But will it upset current 7800 GTX 256 MB owners? It sure will but this was the only way that it could play it I guess. It will be fun to play with this card once it's out and we expect it will be the fastest card. A new king is coming. µ
O GDDR4 nao ta assim tao longe.....Sources familiar with the plans and product specifications of Sapphire Technology said that the company would ship RADEON X1800 XT CrossFire Edition 256MB with the correct clock-speeds of the RADEON X1800 XT – 625MHz for the visual processing unit (VPU) and 1500MHz for GDDR4 memory
Since NVIDIA Quadro FX 4500 graphics processor is based on the same architecture as NVIDIA GeForce 7800 GTX, their features have a lot in common. However, professional graphics cards work at higher core clock frequency and hence provide better performance. The main part of the Quadro FX 4500 core works at 550MHz, which the GeForce 7800 GTX chip works at 430MHz. The vertex processor unit of both solutions works at the same frequency of 470MHz.
The graphics memory of a professional and a gaming graphics card also works at different frequencies. The GDDR3 memory used on the gaming graphics accelerator works at 1200MHz frequency, while the graphics memory on Quadro FX 4500 works at a lower frequency of 1050MHz. In both cases the memory communicates with the GPU via the 256-bit bus, however the contemporary GeForce 7800 GTX cards feature only 256MB of memory, while the professional Quadro FX 4500 boasts a 512MB frame buffer.
Zar0n disse:A ATI agr pode "lançar" uma X1800XT-PE para voltar ao topo, escolhendo as mesmas memorias, nem necessitava de mais OC, continuando com bons yields.
SilveRRIng disse:A verdade dos factos é que a nVidia não dá espaço à ATi para respirar. Ainda a 1800XT está timidamente a começar a chegar às lojas e já a nvidia "lançou" uma "XT killer" para desviar as atenções. A nvidia tinha mesmo que lançar uma placa com 512MB, isto era óbvio e obrigatório pelas leis deste mercado. A parte inteligente é que aproveitou a deixa e recuperou a corôa da performance.
Zar0n disse:A Nvidia fez 1 bom trabalho a tirar o brilho do lançamento da GTX 512 com algum PR, as marcas são muito boas a deixar escapar informação quando lhes convem, será mais 1 paper launch?
A ATI agr pode "lançar" uma X1800XT-PE para voltar ao topo, escolhendo as mesmas memorias, nem necessitava de mais OC, continuando com bons yields.
Será k vamos ver graficas de +$1000?