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Nvidia's GeForce 470 & 480 GPUs Reviewed - TechAmok
Nvidia's GeForce 470 & 480 GPUs Reviewed - [hardware] 07:47 AM EDT - Mar,27 2010 - post a comment 
The first reviews of Nvidia's
oft-delayed Fermi video cards are finally here! The
top-end GeForce GTX 480 leads the group and is billed as the 'fastest
GPU in the world:' it has 480 visual processing cores, 16 geometry
units and four raster units that combined should beat the ATI Radeon HD
5800 series in real-world tests. It also has major optimizations to
multi-card SLI that produce a 90 percent speed boost with a second
card, making the case for multiple GeForce 400 series cards in high-end
systems. Both it and the more modest GTX 470 are NVIDIA's first cards
to support DirectX 11 (and eventually OpenGL 4.0) and the accompanying
benefits, including hardware geometry tessellation. They're
not for sale yet. Nvidia says the initial round of cards, manufactured
in-house, is shipping to the channel and should be available the week
of April 12th (in two and a half weeks). Subsequent boards will come
from the company's partners sometime next month. What will availability
look like? According to Nvidia, it's shipping tens of thousands of
GF100-based cards at launch, and by the middle of April, anyone willing
to spend $500 on a GeForce GTX 480 or $350 on a GeForce GTX 470 should
be able to buy one.
OCC: When you get right
down to it the GTX 480 offers up better performance than the
HD 5870. That's the expectation the world had for this card.
In 44 out of 48 tests run the GTX 480 delivered a higher level of
performance, a pretty stout performance. In the four tests that it did
not outright win, two showed performance equal to the HD 5870 and the
two it lost were not by a large margin. With those kind of performance
results I have to say that nVidia delivered a card that did what it was
meant to do, deliver a higher level of performance. This was more
evident in the newer games and DirectX 11 game and benchmark results
where the GTX 480 cleaned house. The scoring in the Unigine 2.0
benchmark shows the strengths of the Fermi architecture with scores
from the GTX 480 finishing almost 100% higher than the results of the
comparison HD 5870 when the extreme tessellation preset is chosen.
Metro 2033 testing showed that the performance in the Unigine testing
was no fluke. The tesselation performance is a result of the all new
Polymorph Tesselation engines that reside in each GPU cluster. Much of
the early talk about the Fermi third generation Streaming
Multiprocessor architecture was geared toward GPU computing, but make
no mistake, this is a video card built for gaming as shown by the
results. However, there is so much more that this card can be used for
besides gaming; there are an abundance of GPU accelerated applications
to make your life easier, such as Badaboom, Vreveal, WinZip, Photoshop
and more. For those into the distributed computing scene there is a
client that takes advantage of the massive parallel architecture to
really push your contributions higher to hopefully help find a cure for
some really heinous diseases. nVidia's stereoscopic 3D Vision system is
not new to the market but supporting it over three monitors is a whole
new way to enjoy this technology. When running with three monitors you
have what is called 3D Vision Surround. If you don't want to
use nVidia's 3D Vision system you still can enjoy a surround experience
with GT 200 and higher based video cards. The downside is that to run
the surround setup you need to run two cards in SLI. If you
are going this route you still have the monitor purchase but you just
need two cards to really have the horsepower to drive the 746 million
pixels per second in a 3DSurround setup. That does add to the cost but
really, if you are going that way you have some cash to get there.
Pricing is expected to be in the $499 range, or about 50 to 80 dollars
more than ATI's HD 5870. Steep but the price point is going to be
expected and puts nVidia at a point where ATI may not cut prices,
making this a bad situation for consumers. Time will tell though.
THG: Then there's the ugly: power.
Nvidia argues that the enthusiast space isn't as sensitive to figures
like power consumption, and that lofty load figures still only
translate to a few dollars per year. However, when you have
the system power of a single-GPU card outstripping the total power of a
faster dual-GPU board (despite their respective max. board
TDPs, which we really can't vouch for), that's something to think
about. We're not even talking about FurMark here—it's the
Unigine performance, power, and efficiency index that put things into
perspective. Of course, that power invariably gets dissipated as heat,
and thus the GTX 480, in particular, becomes a very hot card,
cresting 160 degrees Fahrenheit on its surface during game
play.
Anandtech: Moving on, we have the
GTX 470 to discuss. It's not NVIDIA's headliner so it's easy to get
lost in the shuffle. With a price right between the 5850 and
5870, it delivers performance right where you'd expect it to be. At
5-10% slower than the 5870 on average, it's actually a straightforward
value proposition: you get 90-95% of the performance for around 87% of
the price. It's not a huge bargain, but it's competitively
priced against the 5870. Against the 5850 this is less true where it's
a mere 2-8% faster, but this isn't unusual for cards above $300 - the
best values are rarely found there. The 5850 is the bargain hunter's
card, otherwise if you can spend more pick a price and you'll find your
card. Just keep in mind that the GTX 470 is still going to be
louder/hotter than any 5800 series card, so there are tradeoffs to
make, and we imagine most people would err towards the side of the
cooler Radeon cards.
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