The Radeon HD 4850 & 4870: AMD Wins at $199 and $299
by Anand Lal Shimpi & Derek Wilson on June 25, 2008 12:00 AM EST- Posted in
- GPUs
Assassin's Creed
Even at 2560 x 1600 the high end configurations are bumping into a frame rate limiter, any of the very high end setups are capable of running Assassin's Creed very well.
Oblivion
The GeForce 9800 GTX+ does very well in Oblivion and a pair of them actually give the 4870 CF a run for its money, especially given that the GTX+ is a bit cheaper. While it's not the trend, it does illustrate that GPU performance can really vary from one application to the next. The Radeon HD 4870 is still faster, overall, just not in this case where it performs equally to a GTX+.
The Witcher
We've said it over and over again: while CrossFire doesn't scale as consistently as SLI, when it does, it has the potential to outscale SLI, and The Witcher is the perfect example of that. While the GeForce GTX 280 sees performance go up 55% from one to two cards, the Radeon HD 4870 sees a full 100% increase in performance.
It is worth noting that we are able to see these performance gains due to a late driver drop by AMD that enables CrossFire support in The Witcher. We do hope that AMD looks at enabling CrossFire in games other than those we test, but we do appreciate the quick turnaround in enabling support - at least once it was brought to their attention.
Bioshock
The Radeon HD 4000 series did very well in Bioshock in our single-GPU tests, but pair two of these things up and we're now setting performance records.
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paydirt - Wednesday, June 25, 2008 - link
You guys are reading into things WAY too much. Readers understand that just because something is a top performer (right now), doesn't mean that is the appropriate solution for them. Do you honestly think readers are retards and are going to plunk down $1300 for an SLI setup?! Let's leave the uber-rich out of this, get real.So a reader reads the reviews, goes to a shopping site and puts two of these cards in his basket, realizes "woah, hey this is $1300, no way. OK what are my other choices?"
This review doesn't tell people what to do. It's factual. You (the AMD fanbois) are the ones being biased.
Jovec - Wednesday, June 25, 2008 - link
"This fact clearly sets the 4870 in a performance class beyond its price."Or maybe the Nvidia card is priced above its performance class?
DerekWilson - Wednesday, June 25, 2008 - link
it could be both :-)Clauzii - Wednesday, June 25, 2008 - link
I think You are right. nVidia had a little too long by themselves, setting prices as seen fit. Now that AMD/ATI are harvesting the fruits of the merger, overcomming the TLB-bug, financial matters (?), etc. etc. it seems the HD48xx series is right where they needed it.This is bound to be a success for them, with so much (tamable) raw power for the price asked.
Clauzii - Wednesday, June 25, 2008 - link
Yeah! Nice to see competition get into the game again.gigahertz20 - Wednesday, June 25, 2008 - link
Page 21 is labeled "Power Consumption, Heat and Noise" in the drop down page box, but it only lists power consumption figures. What about the heat and noise? Is it loud, quiet? What did the temperatures measure at idle and load?abzillah1 - Wednesday, June 25, 2008 - link
I am in love0g1 - Wednesday, June 25, 2008 - link
"NVIDIA's architecture prefers tons of simple threads (one thread per SP) while AMD's architecture wants instruction heavy threads (since it can work on five instructions from a single thread at once). "Yeah, they both have 10 threads but nV's threads have 24 SP's, AMD's 80 SP's. But the performance will probably be similar because both thread arbiters run about the same speed and nv's SP's run about double the speed, effectively making 48SP's (and in some special cases 96).
ChronoReverse - Wednesday, June 25, 2008 - link
Perhaps it's drivers but if AMD intends for the 4870x2 to compete as the "Fastest Card", they better fix their drivers ASAP.FITCamaro - Wednesday, June 25, 2008 - link
With a few driver revisions it will likely improve.