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3090 Worth it Over the 3080??

Dominic-Toretto

Dominic-Toretto

Dominic-Toretto

Associate
Joined
27 Apr 2018
Posts
1,393
Hi,

I just managed to buy a RTX3090 FE, admittedly I really wanted the RTX3080 but it is out of stock. Now looking at benchmarks the 3090 is only 20% maximum faster than a 3080, yet over double the price. I am tempted to cancel my order and wait for a 3080. I am wanting to keep what ever GPU I buy for the next 5 years for 4K and 8K DLSS gaming. Is the 3090 the card for me or should I just grab a 3080 instead and cancel my order?

Thanks
 
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Dontrocktheboat said:
Sounds like you are trying to convince yourself. 3090 is worth it if you got the cash.

Understand that 3080FE will be a lot harder to get, and its cooler despite capable doesnt hold a candle to 3090fe.
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I do want to keep it. But when I look at it logically, 20% performance for over double the cost it makes it seem overpriced lol.

Yep, the 3080 FE is harder to get, sells out so fast.
 
Dontrocktheboat said:
its quieter too, dont forget and you have no potential issues that you might run into with 10gb 3080 when it comes to mem.

From a %/£ performance ratio no you are right, but there is more at play than price/perf. + your epeen will enlarge overnight and you will have the best card on the planet.
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Lol I can't tell if the last part of your comment is sarcastic, but it is swaying me to keep it haha
 
no_1_dave said:
I'm guessing you mean you bought a 3090 FE, otherwise your post makes no sense at all...

You can sell the 3090 for over £2000 on eBay so no, it makes no sense to cancel your order even if you do change your mind and decide to get a 3080 instead
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Oops, typo. Updated, yes I bought a 3090. Just trying to decide if to resell the 3090 and buy a 3080, or just keep it.
 
Sarge2255 said:
:eek: are you joking. Have you not heard of depreciation?
As soon as gpus get flooded to the market and if or when the 4 Series GPUs come out, anyone who paid scapled prices will take a huge loss on depreciation!

I.e. pay £2500 for a 3090, in 6months to 1year it will cost £1700 , if those 4 series cards come out, your 3090 will probably cost £1000 and that depends on the price of those 4 series cards. If they are priced similar to the 3 series cards, you would end up loosing 70% of what you paid, so your £2500 card will cost like £750 come resale.
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I paid retail for my 3090 £1399. Worse case depreciation is imo if 4XXX cards come in two years and the 4070 at £500 outperforms the 3090 in games, then its resale is around £400 for simplicity. That's £1000 in two years.

Obviously lots of factors such as gpu supply, actual performance of the 4XXX, inflation to factor in.

Edit: Also if the 3080ti drops at £900, its gonna be close to the 3090 performance wise. Could also heavily impact resale.
 
So it has just arrived. I have had the chance to unpack it and wow, even the packaging feels very premium and is in a whole different league to my 1080TI FE packaging wise. The card it's self is quality, it is built like a brick, really feels rock solid. Not sure how AIB's are going to compete with this cooling solution. I am going to install it later on, but right now 0 regrets.

Thanks all for the advice.
 
Sarge2255 said:
I see, I did know that, so 750w should be ideal for the 3080. As I just checked and it says 750w for both 3080 and 3090, I thought the 3090 would get starved for power say your into overclocking etc.
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A 750W will be fine for a 3080. The 3090 FE draws 350w stock, with the power slider maxed it caps at 400w. So an extra 50w in consistent peak load. Obviously their are the power spikes to account for too. It might be cutting it close on a 750w when overclocked.
 
Sarge2255 said:
I see, so those 1000w power supply recommendation YouTube videos are all overkill?
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IMO yes, but the posts above state differently.
The RTX3090 was seen to spike above 500W by seasonic in testing. I think the new 12 Pin PCIE can draw up to 504W, and 75W from the PCIE slot which is a total of 579W for the GPU alone. If it spikes high enough to hit the PSU over power protection it will shut off.

In the case of my SF750W it is rated at 750W, with overcurrent protection set at 128.97% which is 967.3W.
In the scenario that my CPU and GPU are fully loaded at the same time and a transient spike occurs of 579W, adding my CPU load of 140w gives me a peak load of 719W which is well under the limit of the OPP at 967.3W


I am not a power supply expert but I think the above is correct.
 
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JohnG7 said:
Some here (at least 2 members) had issues with 3090 on a 850w PSU as with Transient Peaks it hits 1000w, there issue went away once they fitted a 1000w PSU.
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Did they have Seasonic Focus, or focus based PSU's? Just come accross a full article explaining that these PSU's specifically cannot handle the transient spikes of the RTX3080 or RTX3090

Edit: Here is a quote regarding seasonic PSU's specifcally

For units, manufactured prior to January of 2018, the OCP is set too low. This leads to select GPUs, such as 2080 Tis, Vegas, 970s, and 1080 Tis shutting down randomly, due to triggering OCP and OPP, or because of high ripple at load.

SeaSonic produced a "fix", which is active on all units made after January of 2018. This really didn't fix it, however.

With the OCP being lifted higher, the units would produce absurd amounts of ripple at load. This can lead to instability and long-term component failure. Then, SeaSonic produced ANOTHER "fix", which was just a cable, with a capacitor and extra shielding, that reduced ripple. However, you would have to contact them to get one, and SeaSonic didn't include them in units.
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So it's been almost a week since I got my 3090, Thought I would update this thread for anyone who is on the fence.

Firstly I just have to once again reiterate how high quality the FE card really is. As soon as you pull it out of the box you appreciate how solid the cooler really is. I am not sure how AIB cards will compete with this.

My RTX3090 is paired with a 3900X for reference. On autofan it peaks at 65 degrees, at 100% fan it loads at 49 degrees generally. This is in an ITX case, it really is a amazing cooler.

I have been gaming at 4K, mostly Warzone, NFS Heat and some Mirrors Edge Catalyst. To my surprise the 3090 only just holds 60fps minimum in Warzone and Heat at 4K Max settings. In warzone the fps dips in the plane at the start, the lowest I have seen is 62fps, and nfs heat has seen dips down to 58fps at the start of races. If I had bought a 3080 I have no doubt that the FPS would have been dipping in to the low 50s in Warzone and Heat which would have been disappointing, given the average performance difference at 4K across 18 reviews is 15.7% in favour of the 3090, and at 4K with Ray Tracing is 19.7%. this can be the difference between 60fps and 50fps. The 3080 is fine if you are not gaming at 4K, but if you want a card that can play modern titles at max settings at 4K, the 3090 is the way to go.

Unfortunately it seems modern games are too demanding to run at 8K, I can however run 6K on some modern titles such as Mirrors Edge Catalyst which gives a nice bump in image sharpness. I do wish the 3090 had more power, would be nice to play modern games at 8K down sampled for that complete elimination of jagged edges, but that is probably a generation or two away yet hah!


Once again, thanks all for the advice!
 
Th0nt said:
I know it has been said here earlier, but there seems to be some justification from the 3080 camp that "its only at best 10% faster for double the price".
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I have to agree with this, there is definitely a feeling of resentment from 3080 owners. Like I said, if your gaming at 1080p or 1440p the 3080 will be fine. 4K needs the 3090 minimum.
 
Sarge2255 said:
Yes, the OP is dead wrong. The Rtx 3080 is an insane card, I paid around £730 for mine (like rrp)and it is neck and neck in performance with the 3090 at 1080p and 4k. However, the 3090 cost £1500 plus (more than double the price for 5 to 10% performance boost)
But the rtx 3080 has made me happy. RDR2 maxed out at 4k 120hz. This game is the best looking game I have played for for long time! It looks totally amazing. Totally different game at 4k than 1080p. Well worth it.:eek::eek::eek:
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The RRP of a 3090 is £1399, not £1500. 15% + is hardly neck and neck. The 3080 is a decent card, especially for 1080p and 1440p. But if you want to game at 4k, A 3090 is the way to go.
The average performance difference at 4K across 18 reviews is 15.7% in favour of the 3090, and at 4K with Ray Tracing is 19.7%.
 
Sarge2255 said:
Yeah we believe £600 profit was mined lol, I can smell the bs from here.

I'm pointing this out , so folks are aware of the utter waste of money and poor value the 3090 card presents which is clear. Obviously if you bought one, you would defend it to your last breath. You can also mine with the 3080 and 3070 or even build multiple mining systems so your point just is too weak.

If you had an 8k monitor , I would understand the SLi thing. But everyone knows that SLi is getting less support now.
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Lol you do realise that it is very easy for 3090 owners to resell their cards for a profit right now? If the 3080 was really so close I suspect many 3090 owners would do this. But the reallity is, 19.7% performance increase at 4k in modern games with RT, add to this the fact that the 3080 only has 10gb vram vs the 24gb of the 3090. Oh and the 3090 runs cooler abd quieter.

The cards are in different leagues. To call the 3090 a waste is a joke.
 
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