We got a new update on the high-end Lovelace graphics cards from a regular source of Nvidia leaks on Twitter, which provided a few more details, including some revealing information about the RTX 4090.
This comes from Kopite7kimi, who gave us a bunch of details about these GPUs received just a week and a half ago.
Continue to update. RTX 4090, AD102-300-A1, 16384FP32, 384bit 21Gbps 24G GDDR6X, 450W, base 2235 boost 2520 real max >2750; RTX 4080, AD103-300-A1, 10240FP32, 256bit 21Gbps 16G GDDR6X, 420W, RTX 4070, AD104-275-Kx(x is a number)-A1, 7168FP32, 160bit 18Gbps 10G GDDR6, 300W.4th of July 2022
As you can imagine, in such a short space of time, many of the alleged specs released have remained the same as the previous Kopite7kimi leak. But there are some key differences here, notably some clock speeds for the main Lovelace graphics card (based on what the leaker recently suggested).
The speed at which the RTX 4090 runs is set to be a base clock of 2235MHz with a boost to 2520MHz, although the actual maximum overclocking can reach is over 2750MHz, the leaker believes (and that’s just it – a belief in the you’ve been told by sources – so we’re not going to read too much about any of that just yet).
Kopite7kimi also fixes a power usage of 450W on the Lovelace flagship, which matches what we’ve heard previously. The RTX 4090 will be a scaled-down AD102 chip, of course, and the power usage could be much higher (like 600W) with the full-fat version (which could be a 4090 Ti, or maybe even a new RTX Titan).
The info on the RTX 4080 is again pretty much the same story, except now Kopite7kimi thinks the 16GB of VRAM will be GDDR6X – the leaker wasn’t sure this last time – and the prediction that the RAM will be 18Gbps has been revised down to up to 21 Gbps, so that’s good (theoretical) news.
Power usage is pegged at 420W, which is repeating again what the leaker said a month ago, although they added a question mark to that wattage at the time – so this seems to indicate that Kopite7kimi is becoming more confident that this one. is the level of the RTX 4080 could be released.
Finally, regarding the RTX 4070, there’s nothing new in terms of specs since the last major update from Kopite7kimi. A power usage of 300W is again mentioned, which has been the leaker’s best guess for quite some time. In fact, Kopite7kimi first came up with this number in April, before it even got a clue about the power demands of the RTX 4080.
Review: A Lovelace flagship that is twice as powerful as the RTX 3090?
What is quite revealing here is that some of the energy usage figures provided appear to have been kept as predictions for some time now, which suggests they may be set in stone, so to speak. Or at least they can now represent a more likely correct estimate of where Nvidia will end up with TGPs for RTX 4000 graphics cards.
None of the information provided here is a surprise, then, and it’s more about consistency than new revelations – with the exception of those (assumed) specific clock speeds for the RTX 4090. With 2750MHz more being mentioned, Nvidia seems to be looking towards the 3GHz mark for the flagship, as opposed to the much more conservative clocks seen in the current-gen Ampere (the 3090 has a 1.7GHz boost speed, as officially rated by Nvidia – although it can, of course, be pushed faster – and even the Ti version only hits 1.86 GHz).
And with the RTX 4090 loaded with CUDA Cores as is – 16,384 of them – along with that theoretical 50% boost in boost speed, that points to a pretty powerful next-gen flagship. In fact, it might be twice as powerful as the RTX 3090, which is a performance leap we’ve seen predicted before, as you may remember.
While nothing is mentioned about other clock speeds here, looking at the relative counts of the CUDA Core, and the RTX 4080 coming pretty close to the RTX 4090 for TGP (420W vs. your clock speeds.
It makes sense that Nvidia would want to go to great lengths to get the best possible gains from the advantageous drop to the 5nm architecture with Lovelace, and indeed with the flagship there will be plenty of room to build something even more robust than the previous one. 4090 starter (remember, we’re looking more towards 600W for the 4090 Ti, per the rumor).
Finally, it’s worth noting that while this isn’t new information, there’s still disappointment being streamed online around the RTX 4070’s supposed memory load, and that might just be 10GB of VRAM. Previous rumors had suggested a more palatable 12GB, but it looks like this setting could be reserved for a 4070 Ti model – take all of that with the proper help of salt, naturally.
Through Wccftech (opens in new tab)