Yeah anything more than a 3070 is going to be massively wasted on a 4790K or similar - even then you'll see up to 20% or so bottleneck from lacking CPU grunt in some situations but overall I'd say up to a 3070 is worth it - especially in anything using ray tracing there are some benefits which offset the CPU bottleneck in pure rasterisation, beyond that it is a waste.
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i7 4790 with 4070 Super
- Thread starter frogzila
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Yeah anything more than a 3070 is going to be massively wasted on a 4790K or similar - even then you'll see up to 20% or so bottleneck from lacking CPU grunt in some situations but overall I'd say up to a 3070 is worth it - especially in anything using ray tracing there are some benefits which offset the CPU bottleneck in pure rasterisation, beyond that it is a waste.
Associate
I think your platform has PCIe 3 and that very likely is limiting the performance of the RTX 4070 S. I wouldn't bother in upgrading to faster memory etc.
Save some money and buy a new CPU/MOBO memory combo
Save some money and buy a new CPU/MOBO memory combo
that's absolutely an incorrect statement to be making
the limitation here is the cpu, not the pcie bandwidth
even a 4090 (outside of a few select scenarios) does not get hamstrung much by pcie 3.0 x16
NVIDIA GeForce RTX 4090 PCI-Express Scaling
The new NVIDIA GeForce RTX 4090 is a graphics card powerhouse, but what happens when you run it on a PCI-Express 4.0 x8 bus? In our mini-review we've also tested various PCI-Express 3.0, 2.0 and 1.1 configs to get a feel for how FPS scales with bandwidth.
Soldato
Yes. I remember when I upgraded from a 4790 the difference was remarkable and down to the RAM. It not only speed things up in general but it greatly affected the minimum FPS.
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Just adding I also have a 4790 non K and just got a 980ti from MM. According to bottleneck calcs the 4790 will bottleneck the 980ti a little but nothing like your 4070
As above I ran a GTX1070 on an equivalent CPU (4820K overclocked to 4.4GHz IIRC) and it was a pretty well balanced setup, I even ended up upgrading that system to a Xeon 1650 V2 (6C/12T), with a 3070 and that was reasonable, though the GPU was a little bottlenecked. Some games these days unfortunately rinse a 4C/8T CPU of that era but still cope on 6C/12T or higher core count CPUs of that era.
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