2080 TI to 4090

Wizzleteeth

Wizzleteeth

Wizzleteeth

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5 Feb 2018
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My 2080TI has been giving me a bit of bother for a few months, high fan speeds. Last night I reapplied thermal paste on it and made it worse…

Anyway I’ve been considering a 4090 for a while and I’m now thinking about taking the plunge. Can anyone see any obvious problems/bottlenecks with my existing setup?

1 x Seasonic Focus Plus 750W 80 Plus Gold Modular Power Supply



1 x Intel Core i9-9900K 3.6GHz (Coffee Lake) Socket LGA1151 Processor



1 x Gigabyte Z390 Aorus Elite Intel Z390 (Socket 1151) DDR4 ATX Motherboard



1 x Corsair Vengeance LPX 16GB (2x8GB) DDR4 PC4-24000C16

1 x 3000MHz Dual Channel Kit - Black



1 x Samsung 2TB 860 EVO SSD 2.5" SATA 6Gbps 64 Layer 3D V-NAND Solid State Drive



6 x Corsair ML120 Pro RGB 120mm Premium Fan with Lighting Node



1 x Be Quiet Dark Rock Pro 4 air cooler
 
Hi.

Personally I wouldnt be happy running a 750w psu with a 4090 I would want a 1000w because of the power draw of 600w. You could try it first but probably be limited to 450w due to your psu not being atx 3.0.

I would also upgrade the memory to 32gb,

Bottleneck , some will say your 9900k will hipd back the 4090 this may be true to extent but not massively and not worth the cost of a new platform.
 
I'd say it's new pc time.

By the time you've replaced the gpu, and psu, and added ram, and upgraded the cpu (not sure if you even can) - you'd just wish you'd bought a new pc.
 
Wizzleteeth said:
My 2080TI has been giving me a bit of bother for a few months, high fan speeds. Last night I reapplied thermal paste on it and made it worse…

Anyway I’ve been considering a 4090 for a while and I’m now thinking about taking the plunge. Can anyone see any obvious problems/bottlenecks with my existing setup?

1 x Seasonic Focus Plus 750W 80 Plus Gold Modular Power Supply



1 x Intel Core i9-9900K 3.6GHz (Coffee Lake) Socket LGA1151 Processor



1 x Gigabyte Z390 Aorus Elite Intel Z390 (Socket 1151) DDR4 ATX Motherboard



1 x Corsair Vengeance LPX 16GB (2x8GB) DDR4 PC4-24000C16

1 x 3000MHz Dual Channel Kit - Black



1 x Samsung 2TB 860 EVO SSD 2.5" SATA 6Gbps 64 Layer 3D V-NAND Solid State Drive



6 x Corsair ML120 Pro RGB 120mm Premium Fan with Lighting Node



1 x Be Quiet Dark Rock Pro 4 air cooler
Click to expand...

Not too dissimilar to me - as in 9900K and 4090.

At extreme stress my 1200HXi PSU reports 650-680w draw. I am sure there is margin for error there so I would not go <850W and better still 1000W. I would also go with something where you can get the power adapter for the 4090 rather than the stock ones, which suggests Corsair or another that does this.

Is the 9900K a bottleneck is the question, and the answer is probably yes but it's not something that got me noticing it outside of benchmarks.
 
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Ooh a new system would be a sore one. I’m really pushing the financial boat out with the 4090 alone! I have two more 8gb sticks of RAM ready to add in and think I would be happy to buy a 1000w PSU as well as the 4090 since a couple of you guys said the cpu bottleneck shouldn’t be too noticeable? I take it I would need new mobo if I was to look in to upgrading the cpu?
 
Wizzleteeth said:
Ooh a new system would be a sore one. I’m really pushing the financial boat out with the 4090 alone! I have two more 8gb sticks of RAM ready to add in and think I would be happy to buy a 1000w PSU as well as the 4090 since a couple of you guys said the cpu bottleneck shouldn’t be too noticeable? I take it I would need new mobo if I was to look in to upgrading the cpu?
Click to expand...

I am sure I would notice the bottleneck once I upgraded (i.e. retrospectively via benchmarks) but I can currently play everything at 4K60 or 120 without any problems "on max settings". The 4090 will give you a huge jump with the 9900K (I upgraded from a 3090 and it was noticable).

You can't go further than a 9900K on that board (same as mine) so it would be a platform upgrade. I'm happy to wait until next iteration for that and then it will only be because I want to rather than have to.
 
Wizzleteeth said:
My 2080TI has been giving me a bit of bother for a few months, high fan speeds. Last night I reapplied thermal paste on it and made it worse…

Anyway I’ve been considering a 4090 for a while and I’m now thinking about taking the plunge. Can anyone see any obvious problems/bottlenecks with my existing setup?

1 x Seasonic Focus Plus 750W 80 Plus Gold Modular Power Supply



1 x Intel Core i9-9900K 3.6GHz (Coffee Lake) Socket LGA1151 Processor



1 x Gigabyte Z390 Aorus Elite Intel Z390 (Socket 1151) DDR4 ATX Motherboard



1 x Corsair Vengeance LPX 16GB (2x8GB) DDR4 PC4-24000C16

1 x 3000MHz Dual Channel Kit - Black



1 x Samsung 2TB 860 EVO SSD 2.5" SATA 6Gbps 64 Layer 3D V-NAND Solid State Drive



6 x Corsair ML120 Pro RGB 120mm Premium Fan with Lighting Node



1 x Be Quiet Dark Rock Pro 4 air cooler
Click to expand...
That’s a pretty solid machine there.

Maybe consider figuring out what’s wrong with it rather than buying a whole new rig.

I do think that an extra 16gigs of RAM would go a long way with modern AAA games.
 
Hi there - I had a 3090 and an ASUS ROG Thor PSU which was rated to 850 watts.

… it kept dying again and again and again randomly in games until I upgraded to a new PSU (ATX3.0).

I was a victim of the ‘power transients’ issue, millisecond long spikes in voltage that were probably harmless but caused the power supply to click and initiate a restart.

I think the 3090s might actually be worse with this issue than the 4090s, but yeah if you’re machine spontaneously dies in game then I’m signposting to you now that this might be the cause! It was so annoying because I couldn’t tell what was causing it. But all solved with a new PSU.
 
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Wizzleteeth said:
1 x Seasonic Focus Plus 750W 80 Plus Gold Modular Power Supply
Click to expand...

On the low side. You want 850W minimum and I have a 1000W PSU. The issue is power transients.

Wizzleteeth said:
1 x Intel Core i9-9900K 3.6GHz (Coffee Lake) Socket LGA1151 Processor
Click to expand...

You will be CPU-limited in very modern games like Starfield


Your 9900 gets 59 fps at 1080p ultra but the 13900 gets 108 fps.

Wizzleteeth said:
1 x Corsair Vengeance LPX 16GB (2x8GB) DDR4 PC4-24000C16
Click to expand...

If you decide to keep your 9900 then you'll want to upgrade this to 32 GB RAM as modern games use more than 16 GB. Otherwise take a look at the Ryzen 7000 series CPUs.

You've mentioned budgetary constraints: unless RT is a priority gets a RX 7900 XT or XTX and use the money saved for other upgrades. If RT is a priority then remember that you can take your GPU and PSU forward when you next upgrade. BTW with regard to costs your 2080 Ti has done you 5 years if bought new and likely cost you £1000. So that's under £200 per year or under £4 per week. A pint of beer a week isn't bad going.
 
As others have said, a 1000w PSU at the very minimum, I personally went with a Coolermaster MSW Gold V2 1250w.

CPU would probably be a bottleneck and lower resolutions, i've got a 7600 which people said may cause a bottleneck at 1440p, but in my eyes the 4090 was the only card that made sense to buy when my 3070 was playing up. Lucky enough to be in the position to afford one and I won't need a new GPU for a good five years now :)

Planning on upgraded CPU, Mobo and RAM at some point in the next 12 months probably, and glad to know i've got the best card possible at the moment :)
 
When are you planning an upgrade on the CPU / Motherboard ?

If not any time soon then 7900XT, 7900XTX, RTX4080.

The RTX 4080 got a bad rep at launch as the price was so close to the 4090 and there was a big gap in specs.
It's still far from a bargain but it recently dipped just under £1000 which was an approx. £250 price drop. Techpowerup has the 4090 @ 28% faster and it's 45% more cash so the 4080 is now a slightly improved value proposition.
Likely you can use more of the performance more of the time with a 4080 and 9900k, over a 4090 and it doubles the 2080Ti performance at around the same price Tier.
 
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Stick in the extra RAM you have and buy a 4080. Upgrade your system in a years time when next Intel socket is out and AM5 motherboards will be cheaper.
 
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For the £1,600/£1,700 am RTX 4090 is going to cost you for £500 more you could get a brand new PC with a Intel 13900K, Z790 motherboard, 32Gb DDR5 6000Mhz C30 memory, 2Tb SSD, 1000 watt PSU and a Radeon 7900 XTX Nitro+ graphics card.
 
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throwaway4372 said:
If the 4090 is a stretch don't buy a 4090. Get a 4070 instead?
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Highly vouch for the 4070 here and I'm an AMD guy but took a walk on the wild side haha, they're like £520 and have all the new featureset goodies like DLSS3.5/Frame Generation/Super Low Latency Mode and ofcourse Ray Tracing that doesn't cripple your card...

I can run everything at 1440p ultra above 60fps natively even with RT on in Resi4 Remake/Control etc... Only game that dips natively below 60fps at 1440p ultra is Starfield, but Bethesda so yeah - I just use the DLSS3.5/FG mod and get 80s-100s depending on the area :)

They overclock and undervolt like beasts too if that is of interest?

My Asus Dual is proven by OCUK's 8Pack to overclock to 3 or 3.1ghz with the stock hsf and 500mhz+ on the memory with that, out of the box it's something like 350mhz faster game clock than the reference Nvidia card too, I personally choose to run a ridiculous undervolt on it and keep it just above stock Ref clocks with a memory overclock as I like super low power consumption/silence/cool running components and room...
The stock fan is set to come on at 65c and it's a dual bios card with Performance or Quiet mode switch on the card for the fans... Mine never turn on except at 66C in control, that's the only game they've turned on for, even Resi4Remake doesn't turn them on with RT on... On average my temps are about 53-56C with the above undervolt :)

Oh and the Asus comes with 3 year warranty ;)

FWIW even running a native 1440p RT game maxed out like Resi4Remake or Control I'm only using 145w max with the above undervolt, on average it uses 105-135w in non RT games, so you could easily run it with a 600w psu, it's a single 8 pin power connector... I have a NZXT C850 just for a bit of future proofing.

Oh and just get a Thermalright Peerless Assassin 120SE like I have, it's proven to perform better than a DRP4 or NH-D15, I nearly bought the DRP4 and was bullied into this instead, for £36 delivered from elsewhere you cannot beat it, and it's VERY quiet!

Hope this gives you a good bang per buck alternative that wont require a hefty psu :) Oh and it's a small 2.25(IIRC or 2.5 at worst) slot card and short, so it'll fit in SFF builds too ;)
 
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For the price of a RTX 4090 you could buy a 7800X3D system and RX7800XT - RX 7900 that would destroy the i9 and RTX 4090 in performance.
 
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