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NVIDIA RTX 4090/5090 to Feature 24GB of 21Gbps GDDR6X Memory with 600W TDP [Rumors]

NVIDIA’s GeForce RTX 4090 is going to come with 24GB of 24Gbps GDDR6X memory paired with the AD102-300 die and a TGP of 600W. This scoop was shared by @kopite7kimi, one of the most reliable sources on NVIDIA’s GPUs. According to Kimi, the RTX 4080 and 4090 will be based on the AD102 die and 24Gbps GDDR6X memory with the latter featuring a cutdown bus and a few SMs disabled.

The GeForce RTX 4080 is expected to feature 20GB of GDDR6X memory across a 320-bit bus. This GPU will feature around 14,000 FP32 cores, a notable cut from the 15-16K shaders on the RTX 4090. The latter will be paired with a 384-bit bus instead. As for the RTX 4070, we’re looking at 12GB of GDDR6X memory across a 256-bit bus. It will be based on the AD104-400 die and pack up to 10,000 FP32 cores. Finally, the RTX 4070 and 4080 will have a TGP of 400W and 500W, respectively.

I’m a bit skeptical about the memory configurations of the RTX 4070. It may feature slower GDDR6 memory instead of GDDR6X while the RTX 4080 may be cut down to 16GB of GDDR6X instead of 20GB. The RTX 4090 specifications are more or less confirmed.

Areej

Computer hardware enthusiast, engineering dropout, and PC gamer. Former co-founder of Techquila (2017-2019), a fairly successful tech outlet. Been working on Hardware Times since 2019, an outlet dedicated to computer hardware and its applications.
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