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Best 980ti

georgehillier said:
Just a word of advice Bazzards, open something like msi afterburner and play some games before overclocking as mine boosts to 1550mhz without me touching the thing! As I said I can do a manual overclock of 200mhz but then it doesn't boost as high, so for now i'm running on the stock speeds with it boosting to 1550mhz :)
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Damn, that is a high boost especially for stock and if its not throttling. I would be interested to know what voltage is required at 1550mhz (the actual voltage, not software reading)

My memory can take upto about +720 but even holding the stock boost of 1405mhz requires a few extra mV
 
Yeah, I was supprised to, trust me! I don't know how long it stays at that speed as I only had afterburner up for around 10 minutes, but tonight i might do some longer testing and see if it stays at that.

I guess I must've got a very lucky card as well!
 
georgehillier said:
Yeah, I was supprised to, trust me! I don't know how long it stays at that speed as I only had afterburner up for around 10 minutes, but tonight i might do some longer testing and see if it stays at that.

I guess I must've got a very lucky card as well!
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Enable on screen display (OSD) in afterburner and just keep an eye on it when gaming / benching. You can enable GPU voltage reading but it will probably just show 1.21v all the time
 
I will be honest here, Unless you need the features offered by the Top end 980ti's i would just get a decent priced one (of a decent brand) Its such a silicon lotto you could spend all the extra on a EVGA hybrid and the SC clock better. I personally favour EVGA due to warranty and good CS however the hybrids are nice for noise. I went with a Classified they are taller and have much bigger fans and heatsink over reference cards so again a little quieter than say an SC. If i was buying now i would either grab a basic EVGA or the hybrid if thats what takes your fancy. I guess the hybrid may also hold its value a little more.
 
Yeah, I guess it'll hold its value better and will last longer due to it staying cooler. It's still an EVGA card which is part of the reason I chose it.

I'm very happy with what I got but guess it depends person to person really :)
 
georgehillier said:
Ah, well I've gone with the Hybrid, I'll let you know if it was worth it :)
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You won't regret it, anyone else who is looking you don't really need to worry too much about the card coming super clocked... There are a number of tools (Precision/Afterburner) which allow you to easily overclock your GPU, obviously the hybrid option is the best for doing so at low temps.
 
Smffy said:
You won't regret it, anyone else who is looking you don't really need to worry too much about the card coming super clocked... There are a number of tools (Precision/Afterburner) which allow you to easily overclock your GPU, obviously the hybrid option is the best for doing so at low temps.
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Yep, so far running really quiet and cool with a ridiculous boost clock with no need for me to overclock it myself :D
 
georgehillier said:
Yeah, I was supprised to, trust me! I don't know how long it stays at that speed as I only had afterburner up for around 10 minutes, but tonight i might do some longer testing and see if it stays at that.

I guess I must've got a very lucky card as well!
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George, would you mind posting the ASIC for your card?

My 970 has 76 ASIC and its actual, automatic boost is 1392MHz instead of the 1266MHz factory overclock in the description. Probably would boost even more if temps were better but it hasn't got the best cooler.

Your card's boost is amazing.

Don't have a 980Ti but my pick would be the Hybrid too.
 
Hi Danny, It says 78.3%. I have no clue if that's considered good or not.

I should add, my overclocking knowledge isn't perfect, I can use msi afterburner and similar programs to overclock my gpu, but I don't tend to change the voltage etc as i'm too worried about messing it up.

As I said though, I get that boost when running at the factory OC only. If I overclock it myself it doesn't boost as high which I find a bit strange, but either way I don't mind it works for me :D
 
georgehillier said:
Hi Danny, It says 78.3%. I have no clue if that's considered good or not.
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Yes it's good, for the auto boost at least. Direct correlation between higher ASIC and auto boost, from forum threads I've seen with people posting their card's ASIC and auto boost. When it comes to manual overclocking there's other considerations - VRM quality/cooling, power delivery etc (I don't know much about the rest).


georgehillier said:
I should add, my overclocking knowledge isn't perfect, I can use msi afterburner and similar programs to overclock my gpu, but I don't tend to change the voltage etc as i'm too worried about messing it up.
Click to expand...

Ditto. I did try upping voltage a bit through Afterburner but was never able to determine whether it effectively changed.


georgehillier said:
As I said though, I get that boost when running at the factory OC only. If I overclock it myself it doesn't boost as high which I find a bit strange, but either way I don't mind it works for me :D
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Yes, it's odd. Maybe the BIOS settings are more effective than what can be achieved through other software, plus the excellent cooling.

Cheers for the reply and info.
 
Just a bit of an update, after doing some longer testing, benchmarking etc I found that sometimes the gpu doesn't boost to 1550mhz in certain games (don't know why but it doesn't) so I decided to OC in Afterburner again and see if i could get anything more consistent.

I managed to increase the clock speed by 150mhz, which means the standard boost is just under 1400mhz, yet the real boost speed is 1516mhz thanks to extra headroom. I did this as it means although my boost is slightly lower It's more consistent and when not going above the standard boost speed I still get faster than stock speeds, if that makes sense?

I found anything about 150mhz extra clock wasn't stable depending what it was doing. 160mhz worked in games but not benchmarking, so I just lowered it to 150mhz and it's been perfect.

Along with my i5-4690, 16GB of RAM and the GPU overclocked Firestrike gives me a nice score of 14153, which is a decent improvement over stock speeds. Here's the link for the OC benchmark (which shows the clock speed of 1516mhz) : http://www.3dmark.com/fs/8241432
And the score with it not OC'd is 13525, but didn't reach the boost clock of 1550mhz like it sometimes does (hence why I OC'd it myself instead) here: http://www.3dmark.com/fs/8238804
 
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