NVIDIA GeForce RTX 40 AD106 and AD107 GPUs to feature 8 PCIe lanes

Published: 10th Sep 2022, 06:53 GMT   Comments

Please note that this post is tagged as a rumor.

NVIDIA preparing smaller Ada GPUs

Hardware leaker Kopte7kimi claims that AD106 GPU will outclass RTX 3070 from current generation. 

NVIDIA Ada GPUs for GeForce RTX 40 series will include at least 5 different processors. This information has already been confirmed through leaked documents (NVIDIA hack). Said documents revealed CUDA configuration and increased L2 cache sizes of each GPU, such information would still otherwise be a domain of speculation. What has not been known until now, however, was how many PCI Express lanes each GPU has.

According to Kopite, both AD106 and AD107 will have 8 PCIe lanes. The leaker previously mentioned PCIe Gen4, but one might expect Gen5 at this point, especially when Hopper architecture already supports the newer standard. Should AD106 be used with Gen5 for RTX 4060 series, that would be the same bandwidth as Gen4 x16 on RTX 3060.

The only scenario where this should be considered a downgrade is when the system or GPU do not support Gen5. In that case, the bandwidth will drop from 32 GT/s to 16 GT/s. However, that should still have a small impact on performance. The AD107 would reportedly also support 8 lanes only. The current model (GA107) is already limited to 8 lanes.

If rumors are to be believed, neither AD106 nor AD107 are to launch this year. NVIDIA is currently working on AD102, AD103 and AD104 GPUs set to launch in the coming months. Kopite is also mentioning that AD106 performance is now estimated at 7000 points in 3DMark Time Spy Extreme, which is ‘not very strong’ in his words. However, that is still in a territory of RTX 3070 series performance.

NVIDIA GeForce RTX 40 GPUs (Ada)
VideoCardz.comSMsCUDAsMemory Bus WidthL2 CacheMax TGPMax PCIe
AD102
 
144
 
18432
 
384-bit
 
96 MB
 
800W
Gen5 or Gen4 x16
AD103
 
84
 
10752
 
256-bit
 
64 MB
 
450W
Gen5 or Gen4 x16
AD104
 
60
 
7680
 
192-bit
 
48 MB
 
400W
Gen5 or Gen4 x16
AD106
 
36
 
4608
 
128-bit
 
32 MB
 
260W
Gen5 or Gen4 x8
AD107
 
24
 
3072
 
128-bit
 
32 MB
TBCGen5 or Gen4 x8

Source: @kopite7kimi




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