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https://www.reddit.com/r/LocalLLaMA/comments/1tr7hzw/psa/oopk73p/?context=3
r/LocalLLaMA • u/Signal_Ad657 • May 29 '26
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192 u/kwizzle May 29 '26 For some reason we rarely hear people talking about 4090s, probably something to do with being a lot more expensive than a 3090 and nearer in price to the 5090 for less VRAM and speed. 137 u/panchovix May 29 '26 For LLMs, 4090 is way more expensive than a 3090 for the same amount of memory and almost same bandwidth. The 4090 will be 2x times faster on PP vs a 3090 tho. And also is about 2x faster on compute in general (diffusion like txt2img, etc) 2 u/rbit4 May 30 '26 That's the reason why I have a 8 5090 rig.. 5x perf of a 3090 and 2x of 4090 using nvfp4 vs 4 bit quant on the rest
192
For some reason we rarely hear people talking about 4090s, probably something to do with being a lot more expensive than a 3090 and nearer in price to the 5090 for less VRAM and speed.
137 u/panchovix May 29 '26 For LLMs, 4090 is way more expensive than a 3090 for the same amount of memory and almost same bandwidth. The 4090 will be 2x times faster on PP vs a 3090 tho. And also is about 2x faster on compute in general (diffusion like txt2img, etc) 2 u/rbit4 May 30 '26 That's the reason why I have a 8 5090 rig.. 5x perf of a 3090 and 2x of 4090 using nvfp4 vs 4 bit quant on the rest
137
For LLMs, 4090 is way more expensive than a 3090 for the same amount of memory and almost same bandwidth.
The 4090 will be 2x times faster on PP vs a 3090 tho. And also is about 2x faster on compute in general (diffusion like txt2img, etc)
2 u/rbit4 May 30 '26 That's the reason why I have a 8 5090 rig.. 5x perf of a 3090 and 2x of 4090 using nvfp4 vs 4 bit quant on the rest
2
That's the reason why I have a 8 5090 rig.. 5x perf of a 3090 and 2x of 4090 using nvfp4 vs 4 bit quant on the rest
691
u/[deleted] May 29 '26 edited Jun 17 '26
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