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[Anandtech] ATI Radeon HD 4850 Preview: AMD Delivers Performance for the Masses

post #1 of 5
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It's been one of those long nights, the type where you don't really sleep but rather nap here and there. Normally such nights are brought on by things like Nehalem, or NVIDIA's GT200 launch, but last night was its own unique flavor of all-nighter.

On Monday, AMD had a big press event to talk about its next-generation graphics architecture. We knew that a launch was impending but we had no hardware nor did we have an embargo date when reviews would lift, we were at AMD's mercy.
http://anandtech.com/video/showdoc.aspx?i=3338


Final words:

Quote:
There's an unexpected amount of concluding we can do already based on these early results.

For starters, the Radeon HD 4850 looks to be the best buy at $199, even better than NVIDIA's price-dropped GeForce 9800 GTX. What's also unbelievable is that compared to the 4850, our beloved GeForce 8800 GT seems downright slow in a number of benchmarks - and the 8800 GT is only 8 months old. It's also very refreshing to see this sort of competitive pressure at such a reasonable price point, while it's fun to write about 1.4 billion transistor GPUs it's a dream come true to be able to write about this type of performance at under $200.

Take two 4850s, put them together and now you've got something even faster than NVIDIA's GeForce GTX 280 in most cases. It shouldn't be too surprising since 8800 GT SLI and 9800 GX2 both outperform the GTX 280 as well.

Our CrossFire investigation illustrated a very good point: AMD's multi-GPU solutions still don't behave as well as their single-GPU products, there are still cases where performance doesn't improve at all and that's where these large monolithic GPU designs hold their value. Hopefully with continued effort in the multi-GPU space AMD can get us to a point where there is no perceivable difference between single and multi-GPU solutions. Until then, NVIDIA's strategy will continue to have a great deal of merit - although the GTX 280 isn't the best example of that, at least from a gamer's perspective. On the CUDA side however...

We'll have much more information on the Radeon HD 4850 and its faster brother next week when we can completely unveil AMD's RV770, until then sit tight and be content with the knowledge that the days of the 8800 GT vs. 3870 weren't a fluke, the new mainstream wars are upon us thanks to AMD's Radeon HD 4850.

Greets luk
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post #2 of 5
http://www.overclock.net/hardware-ne...0-preview.html
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post #3 of 5
lol @ 2 8800GT's outperforming the GTX 280

Nvidia has propa failed

8 Series - Hi there 880, nice to meet you
9 Series - I recognize you.. you look like that 880 bloke
GTX series - You sure i don't know you from somewhere? You remind me of an 880


The 8 series is a good buy

You gotta be a lil stupid to buy into the 9 series

Your intelligence has failed if you buy into the GTX series in my opinion, your paying a MASSIVE premium for a slightly tweaked 8800
Edited by . // Fixion - 6/20/08 at 3:01am
    
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post #4 of 5
Here's a taught on shader power::

nVidia made 2xG92 = 1xGT200 - twice the shader processors at much lower speed (1.2GHz vs 1.8GHz)
ATI made 2.5xR670 = 1xR770 - twice an a half shader processors at roughly the same speed

All in all it looks like 512bit mem bus is not necessary and I fail to realize what he heck did ATI do to be able to release such an awesome VID card at such a low price while nVidia effectively tripled the price of the previous single-gpu cards.
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post #5 of 5
Quote:
Originally Posted by dragosmp View Post
Here's a taught on shader power::

nVidia made 2xG92 = 1xGT200 - twice the shader processors at much lower speed (1.2GHz vs 1.8GHz)
ATI made 2.5xR670 = 1xR770 - twice an a half shader processors at roughly the same speed

All in all it looks like 512bit mem bus is not necessary and I fail to realize what he heck did ATI do to be able to release such an awesome VID card at such a low price while nVidia effectively tripled the price of the previous single-gpu cards.
The sun cant shine on the same dogs @ss every morning
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