Nvidia GeForce RTX 4090 Reviews

According to TechPowerUp review, it's 45% faster in non RT workloads (not that it matters much as 3090 was already a beast at it). It's in RT workloads that it shines, with 65% or more performance. All without DLSS. If this RT performance drips down to the mid range when it launches, we might finally cross into RT standard everywhere!
 
Dictator said:
One thing we noticed when benching any non-ray traced title was that the 4090 tended to be CPU limited - very visible in the frame-times actually.
Click to expand...
Kinda goes hand in hand with DLSS 3 feature set. However is that specific to this architecture? Anything to do with larger cache? Could the GPU be so fast at those resolutions that the CPU being a limit leads to large cache not being filled fast enough and it stalls for a moment? Complete layman idea, mind you.
 
Picao84 said:
According to TechPowerUp review, it's 45% faster in non RT workloads (not that it matters much as 3090 was already a beast at it). It's in RT workloads that it shines, with 65% or more performance. All without DLSS. If this RT performance drips down to the mid range when it launches, we might finally cross into RT standard everywhere!
Click to expand...
Using SER/OMM/DMM can further improve RT performance.
 
  • The card is fairly obviously CPU limited (on Zen4) in anything less than 4K, and in 4K there seem to be a number of titles which are also CPU limited.
  • Frame generation can be enabled in native resolution - didn't see this mentioned explicitly earlier.
  • Running at 300W limit results in a loss of ~10% of performance (was more like 15-20% on 3090Ti). But this may be a result of the card being CPU limited so often.
  • A number of non-RT games seem to scale really fine - examples I've seen are FH5, CoDV, Control (without RT), RE8 (without RT).
  • Most RT titles are scaling really well (at about 2X to 3090). The only one which seem to have issues is FC6.
  • Perf/watt improvements are between +30-40% (when compared to best examples of RDNA2 and Ampere) and +90% (when compared to 3090/Ti).
  • Typical sustained GPU clock is ~2750MHz. Goes down to about 2700 under "bad" load and up to 2800 in "good" ones. That's about +250MHz to the rated boost of 2520MHz which means that 4090 runs at 90TFLOPs most of the time. The GPU can also be OCed to ~3GHz easily it seems.
 
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RTX 4090 FE Reviews 1

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RTX 4090 FE Reviews 2

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RTX 4090 FE Reviews 3

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Techpowerups review is up, I go straight to the ray tracing section as that's all I care about.

I had to lol at this...

Resi 8 Village at 1080p

  • 2080ti = 102fps
  • 4090 = 299fps

Like Jesus, what a jump!
 
eastmen said:
Performance is great for the price on the 4090 , I think it is a much better value the 3090 was. Still waiting to see how the 4080 runt is.
Click to expand...
From my glancing over the reviews I got the impression that 4090's gain on 3090 in gaming is bigger than it was between 2080Ti and 3090. And 3090 did cost considerably more than 2080Ti, it's less so with 4090 vs 3090.
 
DegustatoR said:
  • Running at 300W limit results in a loss of ~10% of performance (was more like 15-20% on 3090Ti). But this may be a result of the card being CPU limited so often
Click to expand...
That's a good thing to hear along the lines of R9 7950X perf loss with more sane power levels (105/142W). Those two combined would make a great system for people with some spare change.
 
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