ATI 4890 vs nV GTX 275 reviews

[thilanliyan]

http://www.pcper.com/article.p...=684&type=expert&pid=1

http://www.guru3d.com/article/...-gtx-275-review-test/1

http://www.extremetech.com/art.../0,2845,2344294,00.asp
http://enthusiast.hardocp.com/...wxLCxoZW50aHVzaWFzdA==
http://www.firingsquad.com/har...ce_gtx_275/default.asp
http://www.anandtech.com/video/showdoc.aspx?i=3539&p=1
http://www.pcgameshardware.com...TX-275/Reviews/?page=1

http://www.hexus.net/content/item.php?item=17863
http://www.driverheaven.net/reviews.php?reviewid=745
http://www.legitreviews.com/article/944/1/
http://www.hardwarecanucks.com...-275-896mb-review.html

http://www.bit-tech.net/hardwa...0-vs-geforce-gtx-275/1

Hopefully the GTX275 is available soon as it performs very well. Man it's a great time to be in the market for a video card!!

EDIT: Post more if you find any that has both cards and I'll update the OP.



Removed sticky.

Video Mod BFG10K.

 

[error8]

Nice cards! They'll push the prices further down for the current ones. We have now a superb videocards market.

 

[roid450]

Meh, looking at the benchies for the games I play, the 275 is no step up for me, and I'm sure my OCd vid card probably does just as well as the stock 275 :thumbsup:

 

[KeithP]

Here is another: http://www.extremetech.com/art.../0,2845,2344294,00.asp

-KeithP

 

[chewietobbacca]

http://enthusiast.hardocp.com/...wxLCxoZW50aHVzaWFzdA==

They compare a GTX 275 reference to the 4890 reference

Looks like the GTX 275 and 4890 are basically neck and neck at stock - the 275 taking less power at idle, but a lot more at load than the 4890 - and the 4890 is a monster overclocker

 

[error8]

Judging by the guru3d review, gtx275 leads in FC2, HAWX dx 10.0, Warhead, Mass Effect and Dead Space. While 4890 wins in HAWX dx 10.1, COD5, Fallout . Both cards perform similar in BIA. I'd say that, judging by these games, GTX275 has a marginal lead over 4890.

 

[Leyawiin]

Same old neck and neck (as in GTX 260 vs. HD 4870). Pretty soon we'll be groaning over the umpteenth thread asking which one to get and saying "flip a coin, they're about the same".

 

[AzN]

I despise these incremental increase in performance.

check out the overclocking of the 4890. 1ghz on the core. that's pretty good considering 4870 didn't overclock too well.

http://www.firingsquad.com/har...rce_gtx_275/page13.asp

 

[error8]

Originally posted by: Azn
I despise these incremental increase in performance.

check out the overclocking of the 4890. 1ghz on the core. that's pretty good considering 4870 didn't overclock too well.

http://www.firingsquad.com/har...rce_gtx_275/page13.asp

It overclocks nice and at 1ghz is as fast as gtx 285, most of the time. This could be the genial move, to get this card, overclock it and have gtx 285 performance, without paying that much money. But, I have a feeling that the samples you get from the store, will not oc as much as those from the reviews. For me, this has always been the case.

EDIT: After reading the Anandtech's review, I see the 4890 a very good competitor for gtx 285 at stock. That is really, really nice.:laugh:

 

[Sylvanas]

Originally posted by: error8

Originally posted by: Azn
I despise these incremental increase in performance.

check out the overclocking of the 4890. 1ghz on the core. that's pretty good considering 4870 didn't overclock too well.

http://www.firingsquad.com/har...rce_gtx_275/page13.asp

It overclocks nice and at 1ghz is as fast as gtx 285, most of the time. This could be the genial move, to get this card, overclock it and have gtx 285 performance, without paying that much money. But, I have a feeling that the samples you get from the store, will not oc as much as those from the reviews. For me, this has always been the case.

EDIT: After reading the Anandtech's review, I see the 4890 a very good competitor for gtx 285 at stock. That is really, really nice.:laugh:

I dunno, most reviews got retail samples and remember, ATI have gone one better this time and allowed voltage adjustment via the software. So, even if you don't get 1GHZ core off the bat, with a little voltage tweaking I'm sure it's more than capable . Good stuff.

 

[chizow]

Anandtech 4890 vs. GTX 275
PCGH 4890 vs. GTX 275

Looks to be pretty close with reviews giving a slight edge to the GTX 275. Looks like the big difference with this launch however is that AMD has finally put some substantial overclocking headroom into their high-end part. This doesn't change the overall performance landscape of course, as GT200 and especially GT200b have been capable of similar % overclocks since launch. The other benefit is that the 4890 is available now, the GTX 275 sounds like limited availability until the 2nd week of April.

 

[coldpower27]

Originally posted by: chizow
Anandtech 4890 vs. GTX 275
PCGH 4890 vs. GTX 275

Looks to be pretty close with reviews giving a slight edge to the GTX 275. Looks like the big difference with this launch however is that AMD has finally put some substantial overclocking headroom into their high-end part. This doesn't change the overall performance landscape of course, as GT200 and especially GT200b have been capable of similar % overclocks since launch. The other benefit is that the 4890 is available now, the GTX 275 sounds like limited availability until the 2nd week of April.

PCGH review is it worthwhile at all? it's 12x10 Resolutions....

 

[error8]

Originally posted by: coldpower27


PCGH review is it worthwhile at all? it's 12x10 Resolutions....

There are two buttons you can press at the upper part of the charts, where is written "1920X1200 " and "1680X1050".

 

[error8]

Originally posted by: chizow
Looks like the big difference with this launch however is that AMD has finally put some substantial overclocking headroom into their high-end part.

Well, I wouldn't look at it this way. Sure, the card does 950 mhz, but that's from a stock 850mhz, so it's an 100mhz oc, which translates into an 11% oc, which is not that amazing at all.

The plain old 4870 used to hit 10% oc or a bit higher then that, so nothing new here. GDDR5 seems to have the same oc headroom the "old" 4870 had. Overclocking proportions are the same.

 

[frombauer]

Does anyone know when the GTX275 will be available?

 

[chizow]

Originally posted by: error8

Originally posted by: coldpower27


PCGH review is it worthwhile at all? it's 12x10 Resolutions....

There are two buttons you can press at the upper part of the charts, where is written "1920X1200 " and "1680X1050".

Yep, just use the radio buttons at the top to see diff resolutions. They changed the format a few weeks ago. PCGH is actually one of the best reviews as it shows the 4870 and 4890 scale identically with clockspeed, clearly showing no enhancements or shader optimizations, clockspeed bumps for the increased performance by clocking a 4870 to 850MHz. It would've been nice if they did a similar comparison for a GTX 260 @ 633Mhz (GTX 275 clocks) or a GTX 275 @ 648 (GTX 285 clocks).

 

[Grooveriding]

How do they plan to clear gtx280 stock now that the 275 is here and is faster, especially with the 4890 being faster as well ?

 

[error8]

Originally posted by: Grooveriding
How do they plan to clear gtx280 stock now that the 275 is here and is faster, especially with the 4890 being faster as well ?

By selling the gtx 280 at the same price as 275!? At least this is what I'd do and frankly I'd take 280 anytime over 275, if they'd cost the same.

 

[error8]

Originally posted by: chizow
PCGH is actually one of the best reviews as it shows the 4870 and 4890 scale identically with clockspeed, clearly showing no enhancements or shader optimizations, clockspeed bumps for the increased performance by clocking a 4870 to 850MHz.

What bugs me is that 4890 has an extra 3 milion transistors in the GPU over 4870 gpu. What would those be for? Maybe they're related with the power consumption feature or something?

 

[chizow]

Originally posted by: Grooveriding
How do they plan to clear gtx280 stock now that the 275 is here and is faster, especially with the 4890 being faster as well ?

Probably not a problem given GTX 280 and 65nm GT200 parts went EOL months ago when GTX 285, 295 and 55nm 260 launched. There's very few in channel nowadays, only saw a few listings leftover at Newegg. Most of them sold off ~$300 price point when GTX 285 launched at $370 or so. I'd expect the leftovers to get burned off for ~$200 or so in the next couple months.

 

[chizow]

Originally posted by: error8
Well, I wouldn't look at it this way. Sure, the card does 950 mhz, but that's from a stock 850mhz, so it's an 100mhz oc, which translates into an 11% oc, which is not that amazing at all.

The plain old 4870 used to hit 10% oc or a bit higher then that, so nothing new here. GDDR5 seems to have the same oc headroom the "old" 4870 had. Overclocking proportions are the same.

Some of the reviews showed 1000MHz clocks, albeit at higher fan speeds. But it at least shows whats possible, although we'll see how that pans out in retail parts. The more interesting prospect imo, is how the RV790 production ramp-up will impact lower-end parts like the 4850 and 4870. I highly doubt AMD will sustain both RV770 and RV790 wafer production, which means RV790-based 4870s may hit the channel once existing stock burns off the top. OC'ing potential there would be incredible there of course, especially at a $180-200 price point.

Originally posted by: error8
What bugs me is that 4890 has an extra 3 milion transistors in the GPU over 4870 gpu. What would those be for? Maybe they're related with the power consumption feature or something?

From what I read in that PC Perspective link, the additional 3m transistors went into expanding and improving layout, power delivery, noise and signal filtering etc. The die is also slightly larger, but that's mostly due to that extra ring around the outside that's like 20mm wide. If I had to guess, most of the extra transistors are there as well.

 

[error8]

Originally posted by: chizow
The more interesting prospect imo, is how the RV790 production ramp-up will impact lower-end parts like the 4850 and 4870. I highly doubt AMD will sustain both RV770 and RV790 wafer production, which means RV790-based 4870s may hit the channel once existing stock burns off the top. OC'ing potential there would be incredible there of course, especially at a $180-200 price point.

Interesting point. However, the higher oc potential of 4890, might be more dependent to its superior power delivery system. Stable currents, voltages, might provide the extra clocks so, by putting the same RV790 chip into a 4870 PCB, would probably do nothing to the oc potential of the card. Unless maybe, ATi will start selling underclocked 4890s as 4870s. It has happened before with X2900XT, but mainly to clear stocks though.

 

[thilanliyan]

Originally posted by: error8
Interesting point. However, the higher oc potential of 4890, might be more dependent to its superior power delivery system. Stable currents, voltages, might provide the extra clocks so, by putting the same RV790 chip into a 4870 PCB, would probably do nothing to the oc potential of the card. Unless maybe, ATi will start selling underclocked 4890s as 4870s. It has happened before with X2900XT, but mainly to clear stocks though.

Apparently the power planes of the video card have been changed so the core and memory controller run on separate power plances which is supposed to have increased OC headroom in addition to the better power delivery system.

 

[geokilla]

Now that the 4890 has released with a hard launch, GPU prices should drop another $10 to $20 within the next 2 weeks.

ATI 4890 Review

 

[error8]

Final Core Overclock: 1Ghz
Final Memory Overclock: 1200Mhz (4800Mhz effective) Hardware canucks really squeezed the ddr5 here. Almost 5 ghz! That's the fastest memory speed on the planet for a video card.

It makes me wonder if this card can be clocked higher, since all of the reviewers have used only catalyst, which is limited to 1 ghz.