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NVIDIA GeForce RTX 50 series details: GB203 GPU should power GeForce RTX 5090

NVIDIA GeForce RTX 50 series details: GB203 GPU should power GeForce RTX 5090
Aug 14, 2023

NVIDIA's next-gen GeForce RTX 50 series graphics cards are being teased again, with Chiphell leaker "panzerlied" along with NVIDIA hardware leaker "kopite7kiimi" providing more details on the next-gen Blackwell GPU series... new GPUs to go inside of your next-gen Gaming PC of the future.

According to the new rumours, NVIDIA will have the GB202, GB203, GB205, GB206, and GB207 GPUs... leaving out GB204, which we've had for a while now. NVIDIA's current-gen Ada Lovelace GPU series aka GeForce RTX 40 series graphics cards had the AD104 GPU -- before that -- the Ampere GPU series had GA104.

I've made some predictions -- and well, a wishlist -- of what I think NVIDIA will do with the next-gen GeForce RTX 50 series GPUs, but now we'll attach the new GB20x nomenclature to it:

  • GB202: TITAN RTX with 48GB of GDDR7 (ultra enthusiast)
  • GB203: GeForce RTX 5090 with 32GB or 48GB of GDDR7 (enthusiast)
  • GB205: GeForce RTX 5080 Ti or RTX 5080 with 24GB or 32GB of GDDR7 (high-end)
  • GB206: GeForce RTX 5070 Ti or RTX 5070 with 16GB or 24GB of GDDR7 (mainstream)
  • GB207: GeForce RTX 5060 Ti or RTX 5060 with 16GB or 24GB of GDDR7 (entry-level)

NVIDIA will hopefully use more VRAM on its next-gen GeForce RTX 50 series offerings, where the ceiling was hit with 24GB of GDDR6X on the current-gen flagship GeForce RTX 4090. The same amount -- 24GB, that is -- as the previous-gen flagship GeForce RTX 3090 and GeForce RTX 3090 Ti graphics cards. I'm hoping we see NVIDIA really drive it up with Blackwell aka GeForce RTX 50 series GPUs, up to a much more commanding 48GB... and faster, next-gen GDDR7 memory that will see memory bandwidth numbers skyrocket, as too with 4K gaming performance.

GPU naming has changed a bit in the last few generations, with the GA103 "Ampere" GPU sitting between the enthusiast level and upper mid-range offerings, which was usually reserved for the X04 codename. But then with the AD103 "Ada Lovelace" GPU, it took the place of the X04 GPU, and was the second GPU to be unveiled by NVIDIA in the GeForce RTX 40 series.

Now we've got the complete absence of the GB204 GPU, and either side of it will enjoy the fruits of NVIDIA's labour when it comes to Blackwell. We've got GB203 which should be the new enthusiast GPU -- most likely the GeForce RTX 5090 -- while the GB205 GPU should fill out the GeForce RTX 5080 (and possibly the RTX 5080 Ti). 

NVIDIA is expected to splash next-gen GDDR7 memory across its GeForce RTX 50 series graphics cards, which is going to be awesome to see. We've had GDDR6X memory for a couple of generations now, so the move to GDDR7 is really going to open up the VRAM floodgates.