NVIDIA GeForce RTX 4080 and 4070 get new (lower) power specs, mysterious 20GB model also mentioned

Please note that this post is tagged as a rumor .

GeForce RTX 4080/4070 with lower power requirement

Two hardware leakers report on NVIDIA RTX 40 specs.

According to Kopite7kimi , the RTX 4080 and 4070 specs have changed again, but this time the update is only for the power requirements. The previously reported total board power of 420W for RTX 4080 and 300W for RTX 4070 have supposedly been lowered to 320W and 285W respectively. Do note, that this value is not TDP but total board power limit which is higher. The TDP specs have not been mentioned yet.

We can expect RTX 4080 with 320W and RTX 4070 with 285W.

— kopite7kimi (@kopite7kimi) August 9, 2022

There is also an update from @KittyYukko (some may remember him as KittyCorgi) who is aware of the model based on PG139 board, the SKU named 340 . This model would fit in between RTX 4090 and RTX 4080 specs by offering 14848 CUDA cores and 20GB of GDDR6X memory.

PG139-SKU340
AD102-250
14848FP32/116SM
320-bit/21Gbps 20GB

— Elysian Realm (@KittyYYuko) August 9, 2022

This leak is not attached to any SKU name, so it could be anything from a gaming RTX card to a workstation SKU. In fact, seeing the rotation in specs over the past few weeks, there is no guarantee that such a model will ever be released. However, one might argue that such specs would be perfect for RTX 4080 Ti SKU which might launch next year.

One should mention that the concept of 20GB gaming card is not exactly new to NVIDIA. Such model was planned for RTX 3080 before the company launched 10GB version and later 12GB SKU.

It is now expected that NVIDIA will launch its new RTX 40 series in October, but thus far board partners are not aware of any specific date.

RUMORED NVIDIA GeForce RTX 40 Series Specs
VideoCardz.comGeForce RTX 4090 GeForce RTX 4080 Ti? GeForce RTX 4080 GeForce RTX 4070
ArchitectureAda (TSMC N4) Ada (TSMC N4) Ada (TSMC N4)Ada (TSMC N4)
GPUAD102-300 AD102-250 AD103-300AD104-400 (?)
Board NumberPG139-SKU330 PG139-SKU340 PG136/139-SKU360PG141-SKU331
SMs
128
112
76
60
CUDA Cores
16384
14848
9728
7680
Base Clock
2235 MHz
TBC TBC TBC
Boost Clock
2520 MHz
TBC TBC TBC
Memory
24 GB G6X
20 GB G6X
16 GB G6X
12GB G6X
Memory Bus
384-bit
320-bit
256-bit
192-bit
Memory Speed
21 Gbps
21 Gbps
21 Gbps
21 Gbps
Bandwidth
1008 GB/s
840 GB/s
676 GB/s
504 GB/s
TGP
~450W
TBC
420W ⇾ 320W
300W ⇾ 285W
3DMark TimeSpy Extreme
~19,000
TBC
~15,000
~11,000
Launch DateOctober 2022 TBC TBC TBC

Source: @kopite7kimi , @kittyyukko