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post #1 of 10 (permalink) Old 02-26-2019, 08:24 AM - Thread Starter
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Better brand/model choice for GPU upgrade?

Hey all!

It's been a few years since I had anything folding, but I'm looking to get back into the swing of things again. I'm wondering if there is any preference in brand these days? I know once upon a time, Nvidia cards folded better than AMD cards because of the CUDA cores (iirc). Is either big brand better these days? What should I be looking for in a GPU for folding? Is it just clock speed these days or should I look for cards with more ram, etc?

I currently run an old R9 270X, and I suppose I'll fire that up for some minimal PPD in the new Ryzen rig until I get a new(er) card.

Thanks for any info/help!



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post #2 of 10 (permalink) Old 02-26-2019, 09:01 AM
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You can probably look at the GPU database compilation https://www.overclock.net/forum/55-o...-database.html

A R9 270X is about 96K PPD per the chart so it's not particularly power efficient as it was rated 180W TDP. It's predecessor HD 7870 GHz Edition it was based off had 175W TDP and the chart lists that at 78K PPD. Maybe with an undervolt it will be better. Pitcairn is generally most efficient around 900MHz - 1GHz.

At a minimum if you're looking at 1080p 60Hz I'd look into the RX 570 4GB or better (Vega 56 is the next tier for double performance), GTX 1060 6GB or better on the Nvidia side (GTX 1070 Ti / RTX 2060 for double performance compared to that).

The RX 570 is revamped RX 470 so with some undervolting it should be below 150W (miners get it under 100W but that isn't as core intensive load) while putting out 267K PPD. It can typically be found for around $120-150. RX 580 8GB is an option, but the price needs to be below $200 to be worthwhile (it's about 10% improvement over RX 570 / RX 470) and it's a power hog out of the box at ~ 185W TDP.


The GTX 1060 6GB is EOL and now replaced with GTX 1660 Ti 6GB GDDR6, if you can find it (the GTX 1060) on sale for < $200 it's a decent option though as the GTX 1660 Ti runs around $300. It's a 414K PPD card , with 120W TDP target power out of the box for reference based designs typically.

If you intend to use 120+HZ or 1440p then I'd go with the RTX 2060 6GB GDDR6 (160W), Vega 56 8GB HBM2 , or GTX 1070 Ti 8GB GDDR5 (180W). The Vega 56 is less power efficient generally despite being a 210W TDP GPU it tends to draw more unless you undervolt it heavily.

As for specific GPU models within a brand: look for proper VRM , memory, and GPU core cooling and powerstages that aren't cheap mosfets.

I know EVGA has had a fiasco with some Pascal cards' VRM cooling , although their warranty is great.

On the AMD side, people swear by Sapphire Nitro+ (at least on Vega and RX 500 series).


Reference this most recent chart as well:
Click image for larger version

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https://www.anandtech.com/show/13973...a-xc-gaming/14


edit: see also


https://foldingforum.org/viewtopic.php?f=38&t=31307
Quote:
Code:
Card        Cost Yield  TDP   Value Efficiency
             US$  kPPD   W   kPPD/$   kPPD/W
RTX 2080 Ti $999  2400  260   2.40     9.23
RTX 2080    $699  1400  225   2.00     6.22
RTX 2070    $499  1275  185   2.56     6.89
RTX 2060    $349  1050  160   3.01     6.56
GTX 1660 Ti $279   750  130   2.69     5.77
https://foldingforum.org/viewtopic.php?f=38&t=31421
Quote:
EVGA 2070 XC Ultra $600 1.3M 170W
EVGA 2060 XC Ultra $380 1.1M 150W

► Recommended GPU Projects: [email protected] , [email protected] (FP64) (AMD moreso) ► Other notable GPU projects: [email protected] (Nvidia), GPUGrid (Nvidia) ► Project list



Last edited by AlphaC; 02-26-2019 at 09:25 AM.
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post #3 of 10 (permalink) Old 02-26-2019, 09:22 AM - Thread Starter
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Thank you for that exceptional response!

I probably won't be gaming much (if at all). I play some Minecraft but mostly use my home PC for web-browsing, word docs, and folding.

I'll see what fits my budget out of your responses. Thanks again, man!



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post #4 of 10 (permalink) Old 02-26-2019, 09:30 AM
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post #5 of 10 (permalink) Old 02-26-2019, 10:52 AM
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Excellent post.

I can't open Google Docs at work, is there that much a difference between 2080 and 2080Ti in PPD? Due to QRB, performance per upfront cost typically goes up until the extreme top end card. The Value Efficiency doesn't quiet follow the trend. Either the 2080 is priced too high or the PPD #s seem to be off a bit. Just on wattage I would expect more.

Code:
Card        Cost Yield  TDP   Value Efficiency
             US$  kPPD   W   kPPD/$   kPPD/W
RTX 2080 Ti $999  2400  260   2.40     9.23
RTX 2080    $699  1400  225   2.00     6.22
RTX 2070    $499  1275  185   2.56     6.89
RTX 2060    $349  1050  160   3.01     6.56
GTX 1660 Ti $279   750  130   2.69     5.77


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post #6 of 10 (permalink) Old 02-26-2019, 04:08 PM
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There's something off about the foldingforum poster's calculation for RTX 2080 TI, RTX 2080 TI is typically $1200 and I doubt it has over 40% faster performance over RTX 2080 unless the application is maxing memory bandwidth on the RTX 2080


edit: EVGA folding section claims 2 mil PPD for the 2080 Ti https://forums.evga.com/2080-TI-Scor...-m2866591.aspx


and in Linux about 47% over GTX 1080 Ti in FAH Bench https://www.phoronix.com/scan.php?pa...80-Ti-FAH-Perf





However, the RTX 2080 is listed at 1.2 Million PPD on the thread here. Similarly the RTX 2060 is listed as a lower 800K @ 1935MHz rather than 1.1M as the foldingforum person claimed.

► Recommended GPU Projects: [email protected] , [email protected] (FP64) (AMD moreso) ► Other notable GPU projects: [email protected] (Nvidia), GPUGrid (Nvidia) ► Project list



Last edited by AlphaC; 02-26-2019 at 06:49 PM.
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post #7 of 10 (permalink) Old 02-26-2019, 04:32 PM
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The table looks to be the GPU DB numbers where the ave is 2424k PPD and 1395k PPD for the 2080Ti and 2080 respectively. Only 3 submissions each though.


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post #8 of 10 (permalink) Old 02-27-2019, 09:04 PM
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In the few days so far that I have folded on my 2080ti (in Windows) the points/day varied by nearly 1 million points, depending on which project was running; 1.6 - 2.6 million points/day. I can set my card back to folding tomorrow evening to get some better numbers... I dont think my data in HFM is complete or accurate...

Perhaps we have gone a little off topic discussing the highest performing consumer level card? To respond to the question though, the latest card from AMD does compare pretty well against a similarly priced nvidia card; it is not as big a difference as we used to see.




Last edited by k4m1k4z3; 02-27-2019 at 09:12 PM.
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post #9 of 10 (permalink) Old 02-27-2019, 09:30 PM
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With a non-linear QRB the variation in PPD on the fastest cards will vary more than a slower card


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post #10 of 10 (permalink) Old 03-08-2019, 12:20 PM
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I am seeing a steady 900K to 1M PPD for my 2060 on out of the box on Ubuntu 18.04. Weighted average was approximately 940K over the past six days with a variety of work units
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