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Hello everyone.

Today is 8Dec 2020, it is 6900xt release date, so did anyone got one those and tested on mining? Who are these lucky people share please your experience.

It would be same as 6800/6800 XT. Don't except anything more.

As said above, it looks like the 6800xt are identical to the 6900xt except it is a higher binned silicon so it will overclock more stable than the prior release version.
The number of compute units should offer more hashrate but only by fine margins. Much like the 570 vs 580 it all depends on your overclocks used to gain 1-1.5Mh/s more.

The first video of 6900xt I think: https://www.youtube.com/watch?v=JcZzc8D2cvQ

62 to 64Mhs, as you said, only a few Mhs more

So, we have to wait for some bios mod to do some magic on these 6800 and 6900 series, but none of these cards are what we expect, AMD did this series of cards to gamers
Probably will gain a few extra Mhs with miners update, drivers, some tweaks and eventually bios mod, but I expect maximum of 3 or 5 Mhs

BBT just did a video, looks like barely optimized hits 89!

links please.

just the normal 65 the 83MH was a bug he couldnt replicate.

Infinity Cache = not good for mining, the good thing, will be plenty of these 6800 for gamers, miners will not buy any gpu with infinity cache. I guess nvidia will be the only choice for miners cause i think amd will keep using cache instead of raw memory performance. AMD gpus are done for mining, even the low end will come with it, so amd will always use crap gddr6 + cache.

Where I live 3080 and 3070 are easily being bought with 2 x msrp price, 6800 and 6800 xt are not selling at all, people are paying $1100 for the 3080, not paying $1050 for the 6800 xt. The interesting thing here is, the 16gb on 6800 xt is making no difference at all.

I wonder what will be the excuse for gamers when there are no 3080 to be sold and plenty of 6800 and they still complaining about it.

The reality here is people want multi task gpus, better buy a gpu which can do everything like 3080 than the 6800 which can do gaming and nothing else.

https://twitter.com/BitsBeTrippin/status/1336416481454731280?s=19

You're thinking of the 6800xt, the 6900xt does 87 stock. look at my previous post.

I`m not sure that 87MH is a stock. But in anyway we have to wait about several months to get new drivers, to study flashing, to unblock BIOS, etc. Right now 1660ti, 5600XT, 3060ti are the best choice by their ROI.

You have to be some kind of stupid to think a 6900xt is doing 87stock.  As I said before it was a bug he couldnt replicate.

1 video showing 87 and other videos showing 65, on the video that showed 87, the guy got just one time, failed other attempts, must have been a bug or some sort.

https://www.youtube.com/watch?v=nMYRXrE2yhw


That is called desperation, they want it to do 87 and if you say it was a bug, it can't do, they deny reality, reality hurts them.

I'm just wondering ... why the bugs always happen to BBT and then he can't reproduce?

That is a good question, it reminds me of some people posting rx 580 doing 45 mhs plus and scamming people with said magical bios mod.

I don't know its weird, but if you watch the youtube stream you can see it doesnt break 65MH and the power draw is kind of nuts making the 5XXX and 3060Ti the best options currently.  My guess is the 6XXX is crippled by drivers and he's able to get a glimpse at what i should be able to do with a bug in the drivers.

But if 6900 XT is able to get that with it's 256-bit memory interface, then how much will 3060 Ti be able to do with the same type of memory and interface.

During the livestream done last night having the two 6900xt in the see thru case on the test bench, he mentions amd drivers are causing issues with the mining and it is not stable at these numbers given for any amount of time.
Sound familiar from the previous gen cards a year ago? Gamers complaining their 5700xt would give a black screen in the middle of game play. Multiple driver updates later, amd had finally fixed the problem and so the 5700 line of cards were stable enough to game on thus stable enough to mine with going full boar 24/7.

Side note, he says if these cards were to work at a good 80-90 mh/s then they would with some amount of 'trickery' involved possibly with the infinity cache or whatever it is causing the dual streams.
He stated he will eventually have it running on a pool and provide the mining pool address so everyone will be able to follow it's progress for themselves once it is stable enough to do so.

Full video:
https://www.youtube.com/watch?v=nMYRXrE2yhw

I jumped in the tail end of the stream while it was still in progress but the results of their test was what really interested me and not the gaming performance of these cards. :)

Seriously? Don't resort to name calling for no reason, I stated what I saw, posted my sources and because I didn't have the hardware to test it myself I took what he said at face value.  You have to be some kind of stupid to think that you're smarter than everyone else because you're posting on a forum. Done with this community and it's followers, y'all toxic af.

In the livestream, he was thinking maybe with enhanced drivers + miner support, the 6900s could run multiple mining instances - would be interesting

i dont understand 1 thing. mining is all about compute power right? 6900 has twice more compute power than 5700 then.it suppose to be at least 100mhs. i dont understand it.

Minins ETH is very dependant to memory bandwith and memory latency...

The 6800/6900 have a bandwith just around 10% more than 5700. The remaining question if the impact of the infinity cache: due to its small size relatively to the DAG size of ETH, it should have a minimal impact on ETH mining.

ok then why radeon 7 has : 1,024 GB/s bandwith performing worse than 3080 which has less memory bandwith: 760.3 GB/s .

i am very disappointed. i was waiting big speed from AMD new cards.  :(

Both bandwith and core are used for ETH: for radeon VII, it is probably limited by core computation, for RX 6900 xt, it is mostly limited by bandwith.

For RTX 3080: you should downclock the core at around 1200-1300 mhz (to decrease power consumption almost without losing hashrate) and overclock memory at +1000mhz (around equivalent 10000mhz or more) to have the highest hashrate. Therefore you can conclude that this card is more bandwith limited for ETH mining than compute limited.

RX 5700  is well balanced for ETH mining between compute power and memory bandwith.

hehe could very nice card if there was 3080 chip with radeon 7 memory :)

very nice if there was 6800 chip with radeon 7 memory )) And it exists ... but only as special very expensive compute card

Because it uses HBM2, which is underperforming, maybe because of technology, or maybe because miner devs are underutilizing it

Radeon Fury also uses HBM and despite having twice the bandwidth of RX580, barely beats it in ethash mining

keep in mind that you can use 2 instances per card if you have a amd 5000 series cpu and mine in windows with sam enabled. this guy in the video already mined with a 6800 with 80 mhash. if there is some tweaking done we should get results as the nvidia 3080. unless the dag file fits the memory twice....

not sure about that, nobody that i have seen was able to replicate it, do you have any links besides bbt?

Even BBT can not replicate it.

I was able to replicate it. I can consistently do it if I change sequence settings + enable/disable renderer in Adobe Premiere. I let it run to a pool and have confirmed, its a false positive. They are running at 65mh, not 87mh. Here is the video showing all of that in 3 minutes.

https://youtu.be/viSrcMcWwtU

The good thing is that he was honest to the very end, so it is confirmed it was a bug, 6800 or 6900 both have equal hashrate, so that means cache does not help with eth mining at moment, might help on other algos, it needs to be tested. Thanks for the link.

I believe you should have said: "you were honest to the very end", since user @alumar is BBT Carter himself  ;D He is, as RedPandaMining likes to say, "our lord and savior, the OG techtuber miner".

I wish I could, unless he explicit tells on his channel on youtube that he goes by the username "alumar" on bitcointalk then I will believe, too many impersonators.

Thanks for the update. We are now able to close this chapter.

the video shows that there´s a bug with reported hashrate....but that´s a different thing than the smart access memory and the 2 mining instances when using a AMD 5000 series CPU. that´s 2 totally different things !

Since all these 6000 series giving same hashrate can we count on upcoming rx 6700  ;D i mean for cheaper same 60mhs

Safe to assume depending if they keep the 256bit bus or go for the 192bit bus like the 5600xt.

If I buy any more cards I will stick with the 3000 series.  My 5700 and 5600 cards are efficient but some can be hard to keep running, you never know what you will get.  I have 5000 series rigs that run months at a time and some reboot a couple times a day.  I just had a 5700 than ranf for over a year start crashing the rig and had to remove the card. 

That would be super lousy of them if they decrease to 192 bit.

so far all signs point to 192bit https://www.techpowerup.com/gpu-specs/radeon-rx-6700.c3716

They have cache, they will go for lower binned memory for maximum profit on their side while that cache keeps up in gaming, amd is focused on gaming, not mining this time.

yep 192bits. so it will be around 50mhs?
https://www.igorslab.de/en/amd-radeon-rx-6700-xt-as-a-real-time-beat-monster-exclusive-leaks-first-board-partner-biose-sample-beat-rates-and-tgp/
 it is very stupid from AMD because gamer will buy 1 card but miner will get min 6cards.

But miner will bug them with 3 out of 6 dead inside warranty period

I dont know what you do with yopur gpu-s but i have around 35 rx 570 for 3 or 4 years now and i had to send 1 back because of failing fans. Pozdrav

And you think you represent every miner out there?

Maybe this guy is closer to average?

https://forum.ethereum.org/discussion/9134/2-cards-dead-after-1-2-weeks-of-mining

tested MSI 6900XT today - does 58-61MHs at stock clocks @ 230watt (gpu) on various miners. costed 1100$
evga ftw3 3090 does 107MHs stock clocks @ 300-320watt (gpu) costs 2100$

I can only speak from my experience Branko but if you think 2 or 3 out of 6 gpus fail under warranty because of mining i think you are way off, generally these gpus are undervolted core underclocked and have a slight memory overclock, i think a gaming gpu thats overclocked for performance has a better chance of failing, although truth is the mining gpus do more hours powered on.

he may be a i am clocking the gear as high as i can . why not i have a warranty .

he and any gpu card miner that does that is doing me a favor.

I under clock 🕰 have under 3% failure rate. I am still mining all 1080tis I had about 45 of them.

1 failed dont know why got an rma still working.
2 had bad fans replaced them.
all others still work as I ran them at low watts.

just sold a few of the blower cards.

most of my instance rmas were asus dual cards. they just would not post from the getgo on four different rigs.

damn 2100$ thats hevty price to fueling the curiosity, 6900xt sadly more power than vega series at your result

hope the real value will come up soon for new miner still on progress, new architect infinite cache should run above the hype

we all know amd always favor to miner, even right now they good at gaming  ;D