NVIDIA GeForce RTX 4090 all but confirmed to need monster 600W+ power

NVIDIA's next-gen GeForce RTX 4090-class GPUs all but confirmed for 600W of power consumption, but double RTX 3090 performance.

@anthony256
Published Mon, Mar 14 2022 9:43 PM CDT   |   Updated Sun, Apr 10 2022 2:49 PM CDT

NVIDIA's next-gen GeForce RTX 4090 is expected to be quite the beast: not just in brute performance, where we've got rumors of double the RTX 3090 performance, and huge 600W power claims.

NVIDIA GeForce RTX 4090 all but confirmed to need monster 600W+ power 516 | TweakTown.com
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Now there's some more confirmation -- from the rumor mill, but still this source is pretty solid -- from "kopite7kimi" on Twitter. In a new tweet, he says "someone told me the xx90 with 600W TGP has been confirmed. I think it's too early to talk about it".

600W is a huge amount of power for a single GPU, but with rumors of the Ada Lovelace-powered GeForce RTX 4090 (with the AD102 GPU in particular) we're looking at double the performance of the GA102-powered GeForce RTX 3090. That's an incredible amount of horsepower, and less than double the 300-350W+ that the RTX 3090 consumes.

If NVIDIA can deliver 4K 120FPS gaming in a single GPU, the 600W of power consumption can be worth it. If AMD was to debut its Navi 31-based Radeon RX 7950 XT graphics cards (with the Navi 31 being an MCM, or multi-chip module, GPU design) and it consumed -- let's say 300-350W, with the performance of ~10-15% of the RTX 4090 -- then that is different.

NVIDIA GeForce RTX 4090 all but confirmed to need monster 600W+ power 07 | TweakTown.com

Another thing to consider is that custom GeForce RTX 3090 models from the likes of ASUS and its ROG STRIX RTX 3090, can hit up to 480W... and that's air-cooled. So 600W is not that much more, but the performance gains are going to be worth it.

Now, we should expect the AD102 GPU powering both the GeForce RTX 4090 and GeForce RTX 4080 graphics cards, with the RTX 4090 possibly being offered with the next-gen GDDR7 memory that will be offered at 32Gbps bandwidth. We should see a 384-bit memory bus, and double the performance in rasterization and ray tracing, over the RTX 3090.

You can't have double the performance of the GeForce RTX 3090, without a huge hike in power consumption -- or some incredible new GPU architecture -- but NVIDIA will be throwing multiple solutions into beating RDNA 3 with Ada Lovelace (new GPU + GDDR7 + more).

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ZOTAC Gaming GeForce RTX™ 3090 Trinity OC 24GB (ZT-A30900J-10P)

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Anthony joined the TweakTown team in 2010 and has since reviewed 100s of graphics cards. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering.

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