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.

• Read more: NVIDIA GeForce RTX 4090: 5nm GPU, 24GB GDDR6X, 3x faster than RTX 3090
• Read more: GeForce RTX 4090 rumor: 2x RTX 3090 perf, power: 'can you accept it?'
• Read more: NVIDIA's next-gen GeForce RTX 4090 predicted to cost $2999

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.

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.

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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.

• Read more: NVIDIA GeForce RTX 4090/4080: 500-600W power is 'current expectation'
• Read more: NVIDIA's next-gen GeForce RTX 4090 rumored to use new GDDR7 memory
• Read more: NVIDIA GeForce RTX 4090 rumored with 'Infinity Cache' style cache
• Read more: NVIDIA's next-gen GeForce RTX 4090 could use up to an insane 850W+
• Read more: NVIDIA's next-gen GeForce RTX 4090: 4K gaming at insane 400FPS+ teased

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.

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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.

• Read more: NVIDIA GeForce RTX 4090: 5nm GPU, 24GB GDDR6X, 3x faster than RTX 3090
• Read more: GeForce RTX 4090 rumor: 2x RTX 3090 perf, power: 'can you accept it?'
• Read more: NVIDIA's next-gen GeForce RTX 4090 predicted to cost $2999

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).