NVIDIA's next-gen AD102 GPU is currently being tested for the GeForce RTX 4090 graphics card, as reported by
Kopite7kimi.
NVIDIA GeForce RTX 4090 Rumors: Flagship AD102 GPU Enters Test Phase, 24 Gbps GDDR6X Memory Ready
There has been speculation that NVIDIA might go for the GeForce RTX 50 series naming scheme instead of the expected GeForce RTX 40 series branding but it looks like Kopite7kimi has stated NVIDIA's decision to stick to the 40 series naming scheme. Other than that, one big milestone is that NVIDIA may already have started testing and evaluating its
flagship Ada Lovelace GPU, the AD102, which will power a series of graphics cards such as the RTX 4090 and the RTX 4080.
The
leaked PCB design talked about the memory which will feature 12 solder points on the PCB and all are compatible with Micron's GDDR6X memory. Higher-end cards might go with single-sided and dual-capacity memory since that offers the best power/temperature balance and feature up to 24 GB capacities but at higher speeds (Up To 24 Gbps). As for the mainstream segment, we are likely to see 20 Gbps+ designs but in 8 GB and up to 16 GB flavors which can help reduce power since the power regulation will be dropped to 3 VRMs for the memory.
As for cooling these monster PCBs, NVIDIA is reportedly going to reuse their triple-slot BFGPU design while board partners are going to utilize 3.5 and even quad-slot cooling solutions weighing over 2 kg. Most AIBs might just end up utilizing AIO and Hybrid cooling designs, something that you will be seeing in the RTX 3090 Ti. The cards are expected to feature up to a 28 phase VRM design on the flagship NVIDIA GeForce RTX 4090 graphics card so all that extra cooling will be put to good use.
NVIDIA Ada Lovelace & Ampere GPU Comparison
Ada Lovelace GPU | SMs | CUDA Cores | Top SKU | Memory Bus | Ampere GPU | SMs | CUDA Cores | Top SKU | Memory Bus | SM Increase (% Over Ampere) |
---|
AD102 | 144 | 18432 | RTX 4090? | 384-bit | GA102 | 84 | 10752 | RTX 3090 Ti | 384-bit | +71% |
AD103 | 84 | 10752 | RTX 4070? | 256-bit | GA103S | 60 | 7680 | RTX 3080 Ti | 256-bit | +40% |
AD104 | 60 | 7680 | RTX 4060? | 192-bit | GA104 | 48 | 6144 | RTX 3070 Ti | 256-bit | +25% |
AD106 | 36 | 4608 | RTX 4050 Ti? | 128-bit | GA106 | 30 | 3840 | RTX 3060 | 192-bit | +20% |
AD107 | 24 | 3072 | RTX 4050? | 128-bit | GA107 | 20 | 2560 | RTX 3050 | 128-bit | +20% |
NVIDIA GeForce RTX 4090 'AD102 GPU' Graphics Card PCB Design - What We Know
The NVIDIA GeForce RTX 40 series graphics cards equipped with the AD102 GPUs are expected to offer TDPs of up to 600W. That is at least what the current BIOS shipping to board partners is rated at so the
rumors about 450-600W TDPs might be true but we haven't yet seen the final figures. The power ratings are usually on the high side during the testing phase so those could be optimized when the cards actually launch. The cards will be outfitted with the PCIe Gen 5 connectors and will ship with a 4 x 8-Pin to 1 x 16-pin adapter to support the huge power draw. The upcoming GeForce RTX 3090 Ti itself will be shipping with a 3 x 8-Pin to 1 x 16-Pin adapter.
More :
https://wccftech.com/nvidia-geforce...ics-card-testing-begins-24-gbps-gddr6x-rumor/