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First ATI Radeon HD 4850 Reviews Surface
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AMD today partially lifted an embargo that prevented hardware review sites from publishing reviews of its upcoming HD 4850 GPU.
Despite previous confusion, it is now confirmed that the GPU will come with 800 stream processors, 965 million transistors, 40 texture units, a core that is clocked at 625 MHz, and 512 MB of GDDR3 memory at 1986 MHz. The maximum power consumption of the card is rated at 110 watts.
In terms of performance, the 4850 goes head to head with Nvidia’s 9800 GTX (which was dropped to $199 today). Reviews published today indicated that the two GPUs deliver a close race in terms of gaming performance. Most reviews we saw today saw the 4850 ahead of the 9800 GTX in games such as Call of Duty 4, FEAR and in the 3D Mark vantage benchmark under Windows Vista. The 4850 came in behind the 9800 GTX in Crysis, ET: Quake Wars, Stalker, Ghost Recon and Grid.
Some may consider Nvidia as keeping the lead and even extending it with the release of the 9800 GTX+ GPU for $229 graphics cards.
But first reviews indicate that AMD has a solid product on its hands. The 4850 version will be announced on June 23 and become available on June 25, according to our sources, followed by the 4870 on July 8 and the 4870 X2 in mid-August.
According to AMD, the new HD 4850 GPU (codenamed RV770) is superior to Nvidia’s GTX200 in several ways. AMD says that on a performance per watt scale, the RV770 GPU comes in at 1.95x while the GTX200 delivers just 1x performance. Memory wise, AMD says that its RV770 GPU supports GDDR5 memory compared to the GTX200’s GDDR3 support. However, current HD 4850 cards on the market that are starting to appear all come with GDDR3 memory. This is because the HD 8450 cards all use the RV7700 Pro GPU. Those who want GDDR5 will have to wait for cards using the RV770 XT.
The RV770 XT is expected to launch within several days, with an even higher clock speed of 750MHz compared to 625MHz for the RV770 Pro. Because of the memory difference, the overall bandwidth for a board using a RV770 XT is nearly double that of a RV770 Pro board — 115.2GB/sec. vs. 64GB/sec.
Example reviews:
Tweaktown
Guru3D
Source : Tom's Hardware US
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WOW.. This new memory looks kickass... worth the wait..
Radeon HD 4850's are available to order on Newegg, but their 9800GTX's haven't had that price drop yet, and are still around $270 - $300. Score one for AMD/ATI.
Im waiting for the 4870 X2 1gb in august, hopefully less than $400.
nice price on neweggg.com $199.99 plus around 7 dollars for S&H.
I can't wait until they get the AGP version out.
Yes, the rumors are true. The AGP version is coming in Q3 or Q4.
Not everyone likes PCI-E and I'm one of them.
yeah AGP is great for those using a computer built 5 years ago......
AGP cards are faster than pci-e.
Um, no they're not Current gen cards are bottle necked by the agp bus so next gen cards like the 4850 will be even further bottle necked. Also, AGP cards need an HSI bridge since they are now pci express native, so you have another potential bottle neck there.
Um, no they're not. Current gen cards are bottle necked by the agp bus so next gen cards like the 4850 will be even further bottle necked. Also, AGP cards need an HSI bridge since they are now pci express native, so you have another potential bottle neck there.
Great job AMD! Can't wait for 4870X2
I am extremely excited by the upcoming 4870 w/ GDDR5 memory. ATI really got me drooling over the possibilities with this new video card.
Lets hope they can get their CPU engineers back on the ball, and come out with some innovative competitive CPUs.
I know that this launch caught everyone, including ATI, a bit off guard. However, when I came to Tom's looking for some information on the latest ATI offering, and find 3 out of the 5 leading stories on the home page are related to stories about NVidia, I find that dissappointing. I like NVidia products, I sure have spent enough on them, but they've been the only game in town for over a year now, and it would be nice to read about something other than the same old same old.
Hopefully we see an in depth head to head between the HD3850 and the 9800GTX, and a further comparison between the HD3850 in XFire and the 9800x2. No offense to the author, but I'd rather read about performance comparisons between graphics cards than the ins and outs of CUDA.
"HD 8450 cards "
can i worke fro tomsHardware$?
.....jk..my handwriting, punctuation and grammar suck too.
Great Job!!! Amd is coming back!!! My friend has one already, pretty fast compare to my 9800...
Nice work!!!
I just bought my 4850 before 5pm today.
Why do you have the wrong release dates for ATI??
"HD 8450 cards "can i worke fro tomsHardware$?.....jk..my handwriting, punctuation and grammar suck too.
Hey, at least they had a "4" in there somewhere. After re-reading my response, I realized I refered to the "3850" rather than "4850" throughout... and no option to edit- Doh!>
Is Tom's getting payed by Nvidia not to publish a 4850 article?
Me thinks so.
Is Tom's getting payed by Nvidia not to publish a 4850 article? Me thinks so.
Me too that idiots(Nsitia) pay anything.Stupid bastards
The 4850 came in behind the 9800 GTX in Crysis, ET: Quake Wars, Stalker, Ghost Recon and "Grid".In their wet dream ATI in Grid is behind.
I think the 4850 article is coming soon .. just be patient
I wish i didn't have to make a post in order to enable the 'alert me if new talkback' option. I am interested in the conversation but don't have anything I want to contribute at this time.
Wait I guess I am contributing...
Wait what?
Nvidia is paying them not to post anything bout amd.
Toms a sellout?
HD4850 is already out and avialable in Newegg. For $199, this card is by far the best, 55nm, 800 SP, power efficient and excellent HD capability.
low power consumption (110 watt),deliver high performance . nice job !!
I agree with Alfredo, AGP cards are faster then PCI-E is, it's a proven fact.
As for the AGP being out dated, yeah right!
My motherboard isn't even 6 months old yet.
I'm running the ASROCK Frankenstein motherboard which is a very handy board because I have better uses for the PCI-E slot then dropping a bottlenecking, CPU cycle wasting PCI-E video card in it.
Anyone having difficulty with installation of the driver?
A) AGP cards are not faster than PCI-E. That's pure nonsense, not "proven fact." Please show me references to prove me wrong.
B) Vid cards are NOT bottlenecked by AGP, either. Just read the articles right here on Tom's Hardware.
So both contradictory opinions are false.
Well TobyDZ, With a slower CPU, AGP's are usually a little faster then a PCI-E is due to AGP's have DMA. Why don't you visit my website and look over both versions of the 850 PCI-E vs. 3850 AGP. You will have the proven facts that you need.
www.agpbattleground.com
Please note, I need to make a little update on my website informing the readers that the VIA chipset is usually the slowest chipset.