GTX 550...first ever graphics card to ship with a mixed memory configuration

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nwo

Platinum Member
Jun 21, 2005
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71

Damascus

Golden Member
Jul 15, 2001
1,434
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This whole exercise seems like it was concocted by a marketer.

GTX name? Check.
New 500-series model number? Check.
Ti suffix? Check.
192-bit memory? Check.
1GB frame buffer? Check.

A lot of checklist. Not a lot of result since none of the above seems to have added anything.
 

Ghiedo27

Senior member
Mar 9, 2011
403
0
0
Why didn't they just rename the 460 the 550?
The 460 has 75% more SPs in it. The 550ti has to be much cheaper to produce. The cynic in my agrees with the idea that they picked a small core count to cut costs and then checked off a marketing feature list that they could include on the cheap and are seeing how much money they can get out of it. :thumbsdown:

I hope I'm wrong. It would be great if they had a 550ti core 256 part coming out right around the corner once they have enough binned parts. Well, I guess it would have to be a salvaged 560ti, so they'd probably call it a gtx 555ti? :hmm:
 

Lonyo

Lifer
Aug 10, 2002
21,939
6
81
The 460 has 75% more SPs in it. The 550ti has to be much cheaper to produce. The cynic in my agrees with the idea that they picked a small core count to cut costs and then checked off a marketing feature list that they could include on the cheap and are seeing how much money they can get out of it. :thumbsdown:

I hope I'm wrong. It would be great if they had a 550ti core 256 part coming out right around the corner once they have enough binned parts. Well, I guess it would have to be a salvaged 560ti, so they'd probably call it a gtx 555ti? :hmm:

256 isn't possible.
384 shaders in clusters of 48, so they could do 336, 288 (both like 460s) or 240.
A 555 or 560 SE with 336 or 288 is possible, considering that huge gap there will be between the 550 and 560 once the 460s disappear from the market.

The 550 is also based on the 460, which maxes out at 192 shaders, so there's nothing they can do to make it faster except by clockspeeds, and you can't increase them enough.
 

toyota

Lifer
Apr 15, 2001
12,957
1
0
256 isn't possible.
384 shaders in clusters of 48, so they could do 336, 288 (both like 460s) or 240.
A 555 or 560 SE with 336 or 288 is possible, considering that huge gap there will be between the 550 and 560 once the 460s disappear from the market.

The 550 is also based on the 460, which maxes out at 192 shaders, so there's nothing they can do to make it faster except by clockspeeds, and you can't increase them enough.
you mean 450
 

Ghiedo27

Senior member
Mar 9, 2011
403
0
0
Right, 48 cuda cores per SM. Whoops

The full GF 104 is 384 cores, of which the 560ti is a revision. Why is the next card down stripped to half of that?
The 550 is also based on the [450], which maxes out at 192 shaders, so there's nothing they can do to make it faster except by clock speeds, and you can't increase them enough.
So that's a separate part entirely, not just a harvest? Makes sense.

So in theory, could NV take a harvested 560ti with 2 SMs disabled (for 288 cores) and match it to a full 256 bit memory bus? Smaller die than a 460 for cheaper manufacturing, but with a high enough clock speed to be competitive.
 
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Arkadrel

Diamond Member
Oct 19, 2010
3,681
2
0
550ti
streamprocessors= 192
GPU= 900mhz
Shader= 1800mhz
Mem= 1026mhz (4.104GHz data rate)

^Above card at stock is probably clocked near its limits. Which explains why it uses SO much power for its performance level.


460 768:
streamprocessors= 336
GPU= 675mhz
Shader= 1350mhz
Mem= 900Mhz (3.6GHz data rate)

^ Above card has lower power use, LOTS of overclocking headroom, slaughters the 550ti in performance.



I know 5770 overclock like mad, Im betting a highly overclocked 5770 is probably a faster card than a 550ti overclocked (because its already at its limits). And the 5770 is like 50% cheaper.
 

tincart

Senior member
Apr 15, 2010
630
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So in theory, could NV take a harvested 560ti with 2 SMs disabled (for 288 cores) and match it to a full 256 bit memory bus? Smaller die than a 460 for cheaper manufacturing, but with a high enough clock speed to be competitive.

Disabling the cores would not decrease the die size. They would only sell a 560ti die with cores disabled if the production run of the 560ti was producing such defective dies.

Alternatively, they could just disable some cores in order to make a new SKU, but that would make very little sense to me...


I know 5770 overclock like mad, Im betting a highly overclocked 5770 is probably a faster card than a 550ti overclocked (because its already at its limits). And the 5770 is like 50% cheaper.

5770's seem to hit 950/1400 level for OC'ing fairly consistently and that gives about a 10% increase in performance. I'm sure some can be pushed much farther.
 
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Ghiedo27

Senior member
Mar 9, 2011
403
0
0
Disabling the cores would not decrease the die size.
That's true. I guess I'm thinking in terms of usable die that only makes sense if they have a sizable batch of chips that wont fill a full 560ti.
Alternatively, they could just disable some cores in order to make a new SKU, but that would make very little sense to me...
Well, this round they have what is effectively a $120 part and a $250 part. Unless 460 supply stays strong they have a pretty big gap in their lineup.
 

Saulbadguy

Diamond Member
Jan 27, 2003
5,573
10
81
So, I didn't really do my research and purchased this card, it comes in tomorrow. From the early posts I kind of have buyers remorse but I wanted a mid-range DX11 card.

Currently I have a 4890...will I see a performance hit or gain?
 

Arkadrel

Diamond Member
Oct 19, 2010
3,681
2
0
So, I didn't really do my research and purchased this card, it comes in tomorrow. From the early posts I kind of have buyers remorse but I wanted a mid-range DX11 card.

Currently I have a 4890...will I see a performance hit or gain?
1) horrible value buy you did.
2) 4890 trades blows with a 460 768... so yeah a decent performance hit.

You just spent 150$ to go down in performance... oh well.
You ll have Dx11 now though.


*if* its possible to return it, Id do that, get the money back instead get:

A) 460 768mb ~130$ (abit faster than the 550 ti)
B) 5830 1gb ~130$ ( much faster than the 550 ti)

save yourself those 10-20$ and get much higher performance card.
 
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waffleironhead

Diamond Member
Aug 10, 2005
6,924
437
136
So, I didn't really do my research and purchased this card, it comes in tomorrow. From the early posts I kind of have buyers remorse but I wanted a mid-range DX11 card.

Currently I have a 4890...will I see a performance hit or gain?

Looking at the charts the 4870 seems to beat/match/lose to the 550ti by small margins, so the 4890 is in all likelihood is a better performer than the 550ti.
Its been too long for me to remember the performance difference between the 4870 and 90 though.
 

Saulbadguy

Diamond Member
Jan 27, 2003
5,573
10
81
1) horrible value buy you did.
2) 4890 trades blows with a 460 768... so yeah a decent performance hit.

You just spent 150$ to go down in performance... oh well.
You ll have Dx11 now though.

I can always return it ^_^

But heck, I don't even play FPS...mainly RPG's and whatnot, got the 4890 from a trade awhile back. Selling it for slightly less than the cost of the card, and all I really want is DX11 for Dragon Age 2.
 

SlowSpyder

Lifer
Jan 12, 2005
17,305
1,001
126
I can always return it ^_^

But heck, I don't even play FPS...mainly RPG's and whatnot, got the 4890 from a trade awhile back. Selling it for slightly less than the cost of the card, and all I really want is DX11 for Dragon Age 2.

What did you pay for it?
 

Arkadrel

Diamond Member
Oct 19, 2010
3,681
2
0
I can always return it ^_^

But heck, I don't even play FPS...mainly RPG's and whatnot, got the 4890 from a trade awhile back. Selling it for slightly less than the cost of the card, and all I really want is DX11 for Dragon Age 2.

Yes return it, both these cards are cheaper, faster, more power effecient.

A) 460 768mb ~130$ (abit faster than the 550 ti)
B) 5830 1gb ~130$ (much faster than the 550 ti)


or you can just keep the 550ti, returning stuff is always a slight hassle.
But then you ll live knowing you threw 20$ out the window, and got a slower/more power hungry card than you could have had.


just out of curiousity, what did you pay for it? 150? more? less?
 

notty22

Diamond Member
Jan 1, 2010
3,375
0
0
So, I didn't really do my research and purchased this card, it comes in tomorrow. From the early posts I kind of have buyers remorse but I wanted a mid-range DX11 card.

Currently I have a 4890...will I see a performance hit or gain?

Whats the rest of your computer look like and what resolution do you play at ?
The 5770 used to get defended , to have evolved to be faster than the 4870 in these forums. And the 550 gtx is faster that the 5770.
So you may have gone sideways in power. You now have a dx11 generation card. You can tell us how DA2 dx11 performs for you. The 550 uses the newest driver, that is purported to work better, I believe.
 

Saulbadguy

Diamond Member
Jan 27, 2003
5,573
10
81
Whats the rest of your computer look like and what resolution do you play at ?
The 5770 used to get defended , to have evolved to be faster than the 4870 in these forums. And the 550 gtx is faster that the 5770.
So you may have gone sideways in power. You now have a dx11 generation card. You can tell us how DA2 dx11 performs for you. The 550 uses the newest driver, that is purported to work better, I believe.

Core i5, 8gb ddr3, 640gb wd black
 
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