NVIDIA's GeForce GTX 560: The Top To Bottom Factory Overclockby Ryan Smith on May 17, 2011 9:00 AM EST
NVIDIA’s GF104 and GF114 GPUs have been a solid success for the company so far. 10 months after GF104 launched the GTX 460 series, NVIDIA has slowly been supplementing and replacing their former $200 king. In January we saw the launch of the GF114 based GTX 560 Ti, which gave us our first look at what a fully enabled GF1x4 GPU could do. However the GTX 560 Ti was positioned above the GTX 460 series in both performance and price, so it was more an addition to their lineup than a replacement for GTX 460.
With each GF11x GPU effectively being a half-step above its GF10x predecessor, NVIDIA’s replacement strategy has been to split a 400 series card’s original market between two GF11x GPUs. For the GTX 460, on the low-end this was partially split off into the GTX 550 Ti, which came fairly close to the GTX 460 768MB’s performance. The GTX 460 1GB has remained in place however, and today NVIDIA is finally starting to change that with the GeForce GTX 560. Based upon the same GF114 GPU as the GTX 560 Ti, the GTX 560 will be the GTX 460 1GB’s eventual high-end successor and NVIDIA’s new $200 card.
|GTX 570||GTX 560 Ti||GTX 560||GTX 460 1GB|
|Texture Address / Filtering||60/60||64/64||56/56||56/56|
|Memory Clock||950MHz (3800MHz data rate) GDDR5||1002Mhz (4008MHz data rate) GDDR5||>=1001Mhz (4004MHz data rate) GDDR5||900Mhz (3.6GHz data rate) GDDR5|
|Memory Bus Width||320-bit||256-bit||256-bit||256-bit|
|FP64||1/8 FP32||1/12 FP32||1/12 FP32||1/12 FP32|
|Manufacturing Process||TSMC 40nm||TSMC 40nm||TSMC 40nm||TSMC 40nm|
The GTX 560 is basically a higher clocked version of the GTX 460 1GB. The GTX 460 used a cut-down configuration of the GF104, and GTX 560 will be doing the same with GF114. As a result both cards have the same 336 SPs, 7 SMs, 32 ROPs, 512KB of L2 cache, and 1GB of GDDR5 on a 256-bit memory bus. In terms of performance the deciding factor between the two will be the clockspeed, and in terms of power consumption the main factors will be a combination of clockspeed, voltage, and GF114’s transistor leakage improvements over GF104. All told, NVIDIA’s base configuration for a GTX 560 puts the card at 810MHz for the core clock and 4004MHz (data rate) for the memory clock, which compared to the reference GTX 460 1GB is 135MHz (20%) faster for the core clock and 404MHz (11%) faster for the memory clock. NVIDIA puts the TDP at 150W, which is 10W under the GTX 460 1GB.
With that said, this launch is going to be more chaotic than usual for an NVIDIA mid-range product launch. While NVIDIA and AMD both encourage their partners to differentiate their mid-range cards based on a number of factors including factory overclocks and the cooler used, these products are always launched alongside a reference card. However for the GTX 560 this is going to be a reference-less launch: NVIDIA is not doing a retail reference design for the GTX 560. This is a fairly common situation for the low-end, where we’ll often test a reference design that never is used for retail cards, but it’s quite unusual to not have a reference design for a mid-range card.
As a result, in lieu of a reference card to refer to we have a bit of chaos in terms of the specs of the cards launching today. As long as you’re willing to spend a bit more in power, GF114 clocks really well, something that we’ve seen in the past on the GTX 560 Ti. This has lead to partners launching a number of factory overclocked GTX 560 Ti cards and few if any reference clocked cards, as the retail market does not have the stringent power requiements of the OEM market. So while OEMs have been using reference clocked cards for the lowest power consumption, most retail cards are overclocked. Here are the clocks we're seeing with the GTX 560 launch lineup.
|GeForce GTX 560 Launch Card List|
|Card||Core Clock||Memory Clock|
|ASUS GeForce GTX 560 Top||925 MHz||4200 MHz|
|ASUS GeForce GTX 560 OC||850 MHz||4200 MHz|
|Palit GeForce GTX 560 SP||900 MHz||4080 MHz|
|MSI GeForce GTX 560 Twin FrozrII OC||870 MHz||4080 MHz|
|Zotac GeForce GTX 560 AMP!||950 MHz||4400 MHz|
|KFA2 GeForce GTX 560 EXOC||900 MHz||4080 MHz|
|Sparkle GeForce GTX 560 Calibre||900 MHz||4488 MHz|
|EVGA GeForce GTX 560 SC||850 MHz||4104 MHz|
|Galaxy GeForce GTX 560 GC||900 MHz||4004 MHz|
This is why NVIDIA has decided to forgo a reference card altogether, and is leaving both card designs and clocks up to their partners. As a result, we expect every GTX 560 we’ll see on the retail market will have some kind of a factory overclock, and all of them will be using a custom design. Clocks will be all over the place, while designs are largely recycled GTX 460/GTX 560 Ti designs. This means we’ll see a variety of cards, but there’s a lack of anything we can point to as a baseline. Reference clocked cards may show up in the market, but even NVIDIA is unsure of it at this time. The list of retail cards that NVIDIA has given us has a range of core clocks between 850MHz and 950MHz, meaning the performance of some of these cards is going to be noticeably different from the others. Our testing methodology has changed some as a result, which we’ll get to in depth in our testing methodology section.
With a wide variety of GTX 560 card designs and clocks, there’s also going to be a variety of prices. The MSRP for the GTX 560 is $199, as NVIDIA’s primary target for this card is the lucrative $200 market. However with factory overclocks in excess of 125MHz, NVIDIA’s partners are also using these cards to fill in the gap between the GTX 560 and the GTX 560 Ti. So the slower 850MHz-900MHz cards will be around $199, while the fastest cards will be closer to $220-$230. Case in point, the card we’re testing today is the ASUS GTX 560 DirectCU II Top, ASUS’s highest clocked card. While their 850MHz OC card will be $199, the Top will be at $219.
For the time being NVIDIA won’t have a ton of competition from AMD right at $200. With the exception of an errant card now and then, Radeon HD 6950 prices are normally $220+; meanwhile Radeon HD 6870 prices are between $170 and $220, with the bulk of those cards being well under $200. So for the slower GTX 560s their closest competition will be factory overclocked 6870s and factory overclocked GTX 460s, the latter of which are expected to persist for at least a few more months. Meanwhile for the faster GTX 560s the competition will be cheap GTX 560 Tis and potentially the 1GB 6950. The mid-range market is still competitive, but for the moment NVIDIA is the only one with a card specifically aligned for $199.
|May 2011 Video Card Prices|
|$700||Radeon HD 6990|
|$320||Radeon HD 6970|
|$260||Radeon HD 6950 2GB|
|$230||Radeon HD 6950 1GB|
|$180||Radeon HD 6870|
|$160||Radeon HD 6850|
|$150||Radeon HD 6790|
Finally, I’d like to once again make note of the naming choice of a video card. I’m beginning to sound like a broken record here and I know it, but video card naming this last year has been frustrating. NVIDIA has a prefix (GTX), a model number (560), and a suffix (Ti), except when they don’t have a suffix. With the existence of a prefix and a model number, a suffix was already superfluous, but it’s particularly problematic when some cards have a suffix and some don’t. Remember the days of the GeForce 6800 series, and how whenever you wanted to talk about the vanilla 6800, no one could easily tell if you were talking about the series or the non-suffixed card? Well we’re back to those days; GTX 560 is both a series and a specific video card. Suffixes are fine as long as they’re always used, but when they’re not these situations can lead to confusion.
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Ryan Smith - Tuesday, May 17, 2011 - linkIn this case we only had the single card.
buildingblock - Tuesday, May 17, 2011 - linkMy local hardware dealer has the new 560 (non-Ti) in stock today. True, only two models so far but the cheapest 560 in stock costs less than the cheapest 6870 in stock, and even less than some of the 6850s. And that's the issue, graphics cards are about price points. Its no good going on about the AMD 6950 to buyers who are only looking at choosing either a 560 or a 6870, because both are around the same price point. And as already said, the 560 today is actually at a better price point at this dealer than any 6870.
One reason why the majority of discrete desktop graphics card buyers continue to purchase nVidia is the quality of the drivers. Or the continuing issues with AMD drivers. There is an example here http://forum.team-mediaportal.com/746244-post1.htm... of a guy who's having problems rendering a web page with a 6950. Yes, that's right a web page, now don't going playing games with it will you.... What he is seeing is partly because the page has a Shockwave slideshow. He complains that GPU usage constantly fluctuates between 0-8-18-44%, with a 6950. With a GTX 550 Ti GPU usage figures 0-2-11% - that's right only 11% with a GTX 550 Ti compared to 44% with an AMD 6950.
That's AMD drivers for you.
DanNeely - Tuesday, May 17, 2011 - linkMeh. That's not a real issue, as can be seen by the replies. Following up on it I'd speculate that the only reason the single time sample spikes at high load are spotted at 175mhz but not at 450 is that at the latter the render takes significantly less than the sample time so they get largely smoothed into the average (as can be seen by the smaller load spikes).
There is one real issue in their drivers that's been annoying me significantly since I got my 5870 last summer. When running 2 monitors and a GPU app, when the app completes a work unit it drops down to single monitor speed for a second or three and ghost images from the top of one monitor flicker on the 2nd until the new task starts and the clocks throttle back up. I've made it go away by creating a profile and manually editing its config file so that the single monitor settings (which it enters despite 2 attached monitors) are no lower than the others. This makes the problem go away, but really...
ratbert1 - Tuesday, May 17, 2011 - linkI suggest reading more than one review before deciding which card is better. I do not get the same results as Anandtech does on the same benchmarks. I have a different platform and get different results. Their bench is useful for getting a rough idea, but there are a lot of other sites to check. Not all show the same AMD scores gotten here.
I have tried to use AMD cards in the past. I really have, but with a 5850 I could not get it to work with a DVI connection, and with a 3450 it would bluescreen whenever I played a DVD. Both were sent back. All the other cards I have had (Nvidia) just worked!
I even recently looked at getting a 6950, but too many comments on Newegg were about the lousy drivers(too many for me anyway). I just couldn't do it.
L. - Wednesday, May 18, 2011 - linkWell, there's a fair chance your local hardware dealer sucks, as do all local hardware dealers.
Get on the web man, its 2011.
At least you'll get to choose your brand and model for realz ;)
jiffylube1024 - Tuesday, May 17, 2011 - linkThe GTX 460, ATI 6850 and 6870 are all still quite solid cards, and these charts prove it. Anyone with a GTX 460 (1GB) that overclocked it to 800-850 MHz basically has a GTX 560.
It's nice to see the GTX 560 pushing the GTX 560 series at/under $200.
I'm impressed with how much the 6870 has improved versus the 5870. When the 6870 came out, it was basically trumped by the 5870 in everything; now, if anything, the 6870 comes out a bit faster.
marc1000 - Tuesday, May 17, 2011 - linkyou meant "The GTX 460, ATI 5850 and 5870 are all still quite solid cards"?
because 6850 and 6870 are current-gen....
marc1000 - Tuesday, May 17, 2011 - linkNow I can not say to a friend "buy the GTX 560" when he asks if this card if better or equal to R6950. because he will probably buy the cheapest one, wich will have the SAME name, but is slower.
ATI/AMD naming is bad, but Nvidia is worse!
LOL_Wut_Axel - Tuesday, May 17, 2011 - linkI don't know where you guys are getting this information, but the Radeon HD 6870 IS NOT at $180. Therefore, you shouldn't let that sway your opinion about this card. The Radeon HD 6870 is a $200 card, as is the GTX 560. Folders and gamers should go for the GTX 560, while people that want higher efficiency and same performance should go for the Radeon HD 6870.
That alone leaves me with a very bad taste about this article. I suggest you read the review by Tom's Hardware and TechPowerUp instead.
starfalcon - Tuesday, May 17, 2011 - linkA 6870 can hit $170 on Newegg with a rebate, but $192 or so does seem to be the lowest without any rebates.