NVIDIA GeForce RTX 50 “Blackwell” GPU Rumors: GB202 & GB203 With Up To 512-bit, Utilize 28 Gbps GDDR7 Memory
More rumors surrounding NVIDIA's GeForce RTX 50 "Blackwell" Gaming GPUs have been reported by Koptite7kimi such as GPU SKUs & memory configs.
NVIDIA GeForce RTX 50 "Blackwell" GPUs Comprise of Flagship GB202 & GB203 Chips, Monolithic Design Expected With First-Gen Cards Likely Utilizing 28 Gbps GDDR7 Memory
Kopite7kimi has several new tidbits to share on NVIDIA's next-gen GeForce RTX 50 "Blackwell" GPUs and they may sound quite a bit different than the ones we heard in his previous posts. The RTX Ada lineup also saw similar rumors before its release which used to change almost every single day but there's a good reason why these specs change too often. NVIDIA, like all other GPU manufacturers, works on various configurations, SKUs, & models of a certain product before finalizing something. We have seen variants of the Ampere lineup which were rumored, never got to see the light of day, only to pop up in certain markets. We should keep these things in mind when looking at the next-gen lineup too.
Related Story NVIDIA GeForce RTX 50 “Blackwell” GB200 Gaming GPUs To Retain Same Memory Interface As Ada, 384-bit At Max
NVIDIA GeForce RTX 50 Gaming GPUs Get Flagship GB202 & GB203 Dies, Speculation on Mono or MCM Designs
So starting with the details, the NVIDIA GeForce RTX 50 "Blackwell" B200 Gaming GPUs will kick off with the flagship GB202 and GB203. It is said that the GB202 is the full chip whereas GB203 will be half of GB203, similar to how the Ada AD103 is half of the full AD102 GPU. It remains unclear if the green team will leverage a chiplet or monolithic design. For the HPC/AI family, the GB100 is going to utilize a chiplet design (MCM) but the gaming GPU is yet to be verified.
Blackwell Flagship Now Gunning For 512-bit Memory, Up To 32 GB & 1.8 TB/s Bandwidth Possible
Interestingly, Kopite7kimi now states that the flagship GB202 "Blackwell" Gaming GPU is now going to feature a 512-bit memory interface compared to the 384-bit memory interface on the flagship Ada
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