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Which is better for gaming? 6770m or 5770 PCIe?
- Thread starter NoStateofMind
- Start date
Red Hawk
Diamond Member
Mobile graphics chips usually have half the power of desktop chips that share the same name. For example, a Mobility Radeon HD 5870 is really just a slightly underclocked desktop 5770.
So, in the case of such closely numbered mobile and desktop chips, you can be pretty sure that the desktop chip is better.
So, in the case of such closely numbered mobile and desktop chips, you can be pretty sure that the desktop chip is better.
NoStateofMind
Diamond Member
Yeah I had an argument about this with someone and I'm just trying to prove a point. Thanks for your input.
PeeluckyDuckee
Diamond Member
Curious to know then where the 6970m falls in the desktop arena, the equivalent of?
hawtdawg
Golden Member
it's on par with a 6850 im pretty sure.
Yep, both 960 shaders, although it depends on the clocks, 6970M is probably slower due to lower clocks I would expect.
shortylickens
No Lifer
Ah yes I recall this caused quite a stir in the community. Releasing a new line that was slower than the old one with the same series. Anand commented on it too.
Keep in mind price can sometimes (not always) help give relative performance indicators.
http://www.amazon.com/s/ref=nb_sb_no...n+5770&x=0&y=0
http://www.amazon.com/s/ref=nb_sb_no...%3Aradeon+6770
Based on dollar signs you may be tempted to believe the 6770 is faster.
Keep in mind price can sometimes (not always) help give relative performance indicators.
http://www.amazon.com/s/ref=nb_sb_no...n+5770&x=0&y=0
http://www.amazon.com/s/ref=nb_sb_no...%3Aradeon+6770
Based on dollar signs you may be tempted to believe the 6770 is faster.
Has nothing to do with the 6770M and 5770, since the 6770M is a totally different product line and aimed at a different and incompatible market.
StrangerGuy
Diamond Member
How to name a mobile GPU:
1. Cripple the desktop part by half
2. Make it share the same model number as the desktop part, but add a "m" at the end
3. Profit
1. Cripple the desktop part by half
2. Make it share the same model number as the desktop part, but add a "m" at the end
3. Profit
frozentundra123456
Lifer
Exactly. I remember Seeing an Asus gaming laptop a year or so ago at Best Buy with a 5870m for 1200.00. I was really disappointed when I found out how weak that mobile part really is.
shortylickens
No Lifer
Sorry, last time I bought a laptop specifically for the accelerator it was a Rage 3D which was actually not too far from its desktop counterpart in benchmarks. Just cost a shitload more.
mnewsham
Lifer
That card still runs most games at high or medium settings in 1080p it isnt a slouch by any means.
OILFIELDTRASH
Lifer
In desktop world the 5870m is very weak. I have a 5850m in a laptop and it looks pretty good playing metro 2033 at 1080p at low settings. That is until I get home and fire up my desktop with a overclocked GTX 580 and play metro 2033 in 3d with high settings. It was like playing a different game. Laptops are cool for what they are but even a super high end laptop can't hold a candle to a mid range desktop. Don't even compare them to high end PC's.
mnewsham
Lifer
Super high end laptops can and do beat mid range desktops. A mid range desktop would have a gtx 560/570 level graphics, a super high end laptop has two gtx 485m's in SLI, that is basically 2 gtx 460's or gtx 580 level.
RaistlinZ
Diamond Member
DaveSimmons
Elite Member
Sadly both nvidia and ATI have been misleading people for years this way, trying to make them think the xxxM is close to the performance of the desktop xxx that people see reviews for.
nvidia 560M? Not really a 560, it's slower than the desktop 550.
nvidia 560M? Not really a 560, it's slower than the desktop 550.
jiffylube1024
Diamond Member
Your point is true with regards to power and specs of notebook GPU's compared to desktop ones, but in my opinion this is an unfair characterization of both graphics companies.
The 5770, which is by all standards a power sipping desktop GPU, eats 15-30W at idle and up to ~108W at load. Try putting that into into a notebook!
The 6770m, meanwhile, consumes about 30W at full load. That's pretty impressive, it's actually about twice the performance per watt of the 5770.
I would prefer ATI and Nvidia go to different names other than an "M" to differentiate mobile GPU's too. In the past, ATI used a 3 digit nomenclature for its mobile GPU's (and still does for some - the 4650m was rebranded the 560v), but both companies have recently been using equal names to their desktop chips. However, expecting a 6770m to perform the same or better as a 6770 or even a 5770 does reflect a bit of wishful thinking, that you could just take a 100-250W desktop chip and somehow magically put it into a notebook.
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DaveSimmons
Elite Member
The honest thing to do would be either use completely different models or at least use the desktop model that it really matches.
The "560" m is really a slower 550, so it should be a 550m. The "6770" m is really a 6670 so it should say so.
But tricking buyers works, so both companies will continue to do it as long as they can get away with it.
The "560" m is really a slower 550, so it should be a 550m. The "6770" m is really a 6670 so it should say so.
But tricking buyers works, so both companies will continue to do it as long as they can get away with it.
LOL_Wut_Axel
Diamond Member
It's foolish to even think they're gonna have the same performance as the desktop counterpart. The GPU in my laptop has the same performance as a desktop 9800GT but consumes a max of 65W instead of the 105W of the 9800GT. That makes a huge difference, as it would be impossible to fit a 105W GPU in a 15" laptop chassis.
DaveSimmons
Elite Member
True, but that doesn't mean ATI / nvidia should be trying to fool people into thinking the models are equivalent.
Of course they do it with desktop parts sometimes too, with much slower "SE" versions of the same model. But then it's usually the speed and memory that are cut back, not half of the processors and texture units.
Of course they do it with desktop parts sometimes too, with much slower "SE" versions of the same model. But then it's usually the speed and memory that are cut back, not half of the processors and texture units.
Red Hawk
Diamond Member
It's also probably a year or two newer than a 9800/8800 GT.
LOL_Wut_Axel
Diamond Member
It's the same architecture: G92(M), and the same core configuration (112 CUDA cores, 16 ROPs, 256-bit bus width). The manufacturing date is irrelevant. It's the exact same core configuration as the 9800GT and manufacturing process (55nm), but at a lot lower power consumption.
Red Hawk
Diamond Member
Yes it does matter. If it takes around a year to release a mobile chip with the same performance as a desktop chip, then mobile users have to wait that much longer before they can even try to get the same gaming experience as desktop users. And btw, the 8800/9800 GT was originally produced with a 65 NM process.
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