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Nvidia RTX 40 Series Spec Rumors

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There have been a few updates to the supposed specs of the upcoming RTX 40 series graphics cards. Kopite7kimi on Twitter is known for providing good information on what new releases will have to offer. The new rumor brings updated RTX 4090 specs while giving a taste of the RTX 4080 and RTX 4070. A first look at what some more affordable options will have to offer.

Although the card series has yet to be announced, we expect it to release in the second half of 2022. With rumors pointing to September/August, we’ll find out more about what they have in store. the coming months. So we’ll keep you posted on what to expect when the time comes.

RTX 40 Series Specifications

Based on previous rumors, the 4090 had a slight increase in CUDA cores. Going from 16,128 to 16,384 cores jumping from 126 streaming multiprocessors to 128. While that might not be the full extent of the AD102 GPU, it’s what you’d expect from the initial flagship. Which also comes with 24GB of GDDR6X memory, with a 384-bit bus clocked at 21Gbps. All accompanied by a TDP of 450 W, the same as the current RTX 3090 Ti.

Now, for the RTX 4080 specs, kopite7kimi tells us that it will be made with the AD103-300 GPU variant. This gives the board 80 SM with 10,240 CUDA cores. And comes with a 256-bit memory bus, but the memory details are where the leak is uncertain. With the possibility of 16 GB of GDDR6 memory clocked at 18 Gbps. This is perhaps questioned as it would effectively be slower than what the RTX 3080 had to offer with GDDR6X clocked at 19 Gbps. But the 4080 is expected with an increased TDP of 420 W against 320.

Finally, there are rumors about the RTX 4070 specs. Who should use the AD104-275 GPU variant. With 7,168 CUDA cores and a 160-bit memory bus for the 10 GB of GDDR6 memory clocked at 18 Gbps. Although with a much lower TDP compared to the rest with an expected 300 W. The card is also expected to be the last to launch with the staggered versions of the Ada lineup. From the 4090 in Q3, the 3070 could arrive at the start of Q4.

RTX-4090 RTX4080 RTX4070
GPUs AD102-300 AD103-300 AD104-275
Card number PG139-SKU330 PG139-360 PG141-SKU341
SMS 128 80 56
CUDA Cores 16,384 10,240 7,168
vs predecessor +56% +18% +21%
Memory 24 GB GDDR6X 16 GB GDDR6 10 GB GDDR6
Memory bus 384 bit 256 bit 160 bit
Memory speed 21 Gbps 18 Gbps 18 Gbps
PDT 450W 420W 300W

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