NVIDIA’s Ada Lovelace based RTX 4090 is now available for purchase. Yesterday, the press embargo on these GPUs was lifted. You can find a summary of various reviews here. Today, XpeaGPU claims that the best AD102 chips (via binning) are being saved for the RTX 4090 Ti. The leaker mentions that we may see a 10-20% performance uplift as compared to the standard RTX 4090.
RTX 4090 Ti
The RTX 4090 Ti may be announced sometime next year, possibly during the CES 2023 event. Nevertheless, we have more information regarding the specifications of this monstrosity. Allegedly, the RTX 4090 Ti will feature 18176 CUDA cores (142 SMs) along with 96MB L2 cache akin to its non-Ti counterpart. The VRAM is not being increased, and will stay at 24GB.
The boost clock is rated at 2.75GHz which can go as high as 2.95GHz while gaming. The RTX 4090 will reportedly consume upwards of 475W of power (25W more than the 4090). The max TGP may be lifted to around 700W.
Best dies are already saved for a 2.75Ghz boost (2.95 typ. gaming) 475W 18176 CUDA cores 96MB L2 cache 24Gb beast. Performance 10~20% above 4090 pic.twitter.com/z5XO8R9PyJ
— AGF (@XpeaGPU) October 12, 2022
The RTX Titan
These are indeed conflicting specifcations because the full-fat AD102 chip as per leaks features 144SMs. The RTX 4090 Ti shown here contains 142SMs. Besides, a while back we came across a 48GB Lovelace GPU tagged as ‘The Beast’, which also was leaked to house a smaller CUDA/SM (142SMs instead of 144SMs) count.
The only confirmation will by NVIDIA themselves. If the RTX 4090 Ti features AD102-350 chip, then a Titan may possibly release with the full-fat AD102-450 GPU.
"the beast"
PG137-SKU0
AD102-450-A1
18176FP32
48G 24Gbps GDDR6X
total board power ~800W— kopite7kimi (@kopite7kimi) July 25, 2022
| SKU | Chip | FP32/CUDA | Max Clock | Cache | Memory Bus | VRAM | Memory Spec | Speed (Gbps) | TDP | |||
| RTX 4000 Titan? | AD102-450 | 18432 | 3.0GHz+? | 96MB? | 384/382-bit | 48GB | GDDR6X | 24 | ~800W | |||
| RTX 4090 Ti | AD102-350 | 18176 | 3.0 GHz? | 96MB | 382-bit | 24GB | GDDR6X | 24 | 475W+ | |||
| RTX 4090 | AD102-300-A1 | 16384 | 2.52GHz | 96MB | 384-bit | 24GB | GDDR6X | 21 | 450W+ (TGP) / 660W (Max TGP) | |||
| RTX 4080 Ti | AD102 | 14848? | 2.7 GHz? | 80MB? | 320-bit | 20GB | GDDR6X | 23 | 420W | |||
| RTX 4080 (Variant 1) | AD103-300-A1 | 9728 | 2.505GHz | 64MB | 256-bit | 16GB | GDDR6X | 22.5 | 320W(TGP)/ 516W (Max TGP) | |||
| RTX 4080 (Variant 2) | AD104-400-A1 | 7680 | 2.61GHz | 48MB | 192-bit | 12GB | GDDR6X | 21 | 285W (TGP) /366W (Max TGP) | |||
| RTX 4070 Ti | AD104-300? | 7680 | 3.0GHz? | ? | 192-bit | 12GB | GDDR6X | 21 | 300W? | |||
| RTX 4070 | AD104-275? | 7168 | ? | ? | 160-bit | 10GB | GDDR6X | 21 | 250W | |||
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