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GTX 750 Ti mining - Page 53

post #521 of 1291
Hi, I'm new to this forum, hello to everyone!
I have just began my journey of mining with nVidia GTX 750Ti's.
Decided to test different GPU's out of the box. Now I have Pny 2Gb, Zotac 1Gb and Evga FTW OC models.
Atleast out of the box it seems that the available vram means the most.
So here's the results:
Zotac 1Gb gets 220-230kh/s
Pny 2Gbgets ~230-250kh/s
Evga 2Gb FTW OC gets ~250-260kh/s

I was very suprised that Evga performed so poorly, it should have the highest clockrate of them all, and no big difference. I wonder why?
I have it on 1x-16x powered 30cm riser+ 6pin pci-e power. Pny is on the same kind of riser. While the Zotac is on 16x16x non-powered version.

Any idea how to make the Kepler Bios Tweaker to work on Windows XP?
Or does it work on Virtual Box with Win7? Any experiences about that?

Thanks for your answers and oppinions in advance.
post #522 of 1291
Quote:
Originally Posted by DixieWhiskey View Post

Wow really? 200kh? I can't get any higher than 56kh/s with my single fan Zotac 750 Ti's. Would you post you batch file for us? Or -l param. youre using. I don't understand how I can be so far behind

I'm using latest cudaminer btw.. maybe the custom miner you're using is better?

cudaminer is the only ultracoin miner for nvidia...and he probably got that before the latest N factor change.
Hash rates reduced noticeably.

An R9 270 pulls 92kh/s atm, a 7950 only 100, and the 280X 135kh/s.

If you get to 60 per card it's pretty darn good.
post #523 of 1291
Quote:
Originally Posted by RavenXBR View Post

Also tried MSI Afterburner... no difference at all.

Quote:
Originally Posted by ccRicers View Post

The post that listed different boosts when Chrome, Winamp, and other software was on? Actually, I left Chrome open when I took the results, should have mentioned that earlier. Chrome + Precision gets me to the goal I wanted for now.

Other thing I noticed, when I had both cards submitting shares as one worker, the pool reported low combined hashrate for that worker of about 400 Kh/s. Even if I set the batch file to distinguish the settings for the different cards.

One worker per card works better for me somehow. Now I have each worker reporting much closer to 300 Kh/s per card.

Nevermind seems like you just have to have chrome open don't matter that you use to overclock the card. I think the point of that test just showed if you have nothing open but precision you won't get as good of a hashrate.
 
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post #524 of 1291
Quote:
Originally Posted by ivanlabrie View Post

cudaminer is the only ultracoin miner for nvidia...and he probably got that before the latest N factor change.
Hash rates reduced noticeably.

An R9 270 pulls 92kh/s atm, a 7950 only 100, and the 280X 135kh/s.

If you get to 60 per card it's pretty darn good.

Okay that is odd, because I downloaded a "custom" Ultracoin miner from an Ultracoin pool and it turned out to be a cgminer fork, not a Cudaminer fork.

Yeah, like Vertcoin, the reported pool hashrates can be misleading. It looks like you might be able to double your profits, but your cards will not perform as well as with scrypt coins.
post #525 of 1291
Also some people are reporting up to 330kh/s on a single card with this week's driver update. Would like to know if anyone here managed to do that.
post #526 of 1291
Quote:
Originally Posted by ccRicers View Post

Okay that is odd, because I downloaded a "custom" Ultracoin miner from an Ultracoin pool and it turned out to be a cgminer fork, not a Cudaminer fork.

Yeah, like Vertcoin, the reported pool hashrates can be misleading. It looks like you might be able to double your profits, but your cards will not perform as well as with scrypt coins.

100kh per card is still almost double what I get from mine, although they pull 290kh in scrypt and 3.4kh in yacoin with no hassle like most people. Did you try UTC before or after feb 28th? that was the latest N factor increase
post #527 of 1291
Quote:
Originally Posted by ccRicers View Post

Also some people are reporting up to 330kh/s on a single card with this week's driver update. Would like to know if anyone here managed to do that.

That driver has been out for a few days now, I updated and haven't really niced much of a difference at all.

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Intel 520 120 GB SSD Seagate Barracuda 1 TB 250GB Samsung 840 EVO SSD LG Blu-Ray Lightscribe Combo Burner 
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post #528 of 1291
Quote:
Originally Posted by UNOE View Post


Nevermind seems like you just have to have chrome open don't matter that you use to overclock the card. I think the point of that test just showed if you have nothing open but precision you won't get as good of a hashrate.

For me the best setup by now is:
- cudaminer 32 bits(x86) with the following parameters: -l T5x24 -i 0 -C 2 -m 1
- chrome running
- Precision X with GPU +135 and MEM +650

I achieve an average rate of 300 KHs, is 100% stable and temperatures are lower than 60ºC on both GPU and CPU.

I did not try the BIOS change suggested by some.
Surely will improve the rate, but I'm comfortable with the 300 KHs (my initial target).
post #529 of 1291
Quote:
Originally Posted by RavenXBR View Post

For me the best setup by now is:
- cudaminer 32 bits(x86) with the following parameters: -l T5x24 -i 0 -C 2 -m 1
- chrome running
- Precision X with GPU +135 and MEM +650

I achieve an average rate of 300 KHs, is 100% stable and temperatures are lower than 60ºC on both GPU and CPU.

I did not try the BIOS change suggested by some.
Surely will improve the rate, but I'm comfortable with the 300 KHs (my initial target).

More money to be made with scrypt-jane or N coins though...scrypt is not as good, even less for nvidia miners.
post #530 of 1291
Quote:
Originally Posted by ivanlabrie View Post

More money to be made with scrypt-jane or N coins though...scrypt is not as good, even less for nvidia miners.

Thx for the tip.
Now that I found the best setup for my GPU, I'll start to look for the best coins to mine.

At the moment I mining LTC at CEX.IO.
They're giving x2 LTC during 7 days (now 5).
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