Some NVIDIA GeForce RTX 40 graphics cards with AD102 GPU are now rumored to consume more than 450 watts

Published: Feb 23rd 2022, 17:09 GMT   Comments

Please note that this post is tagged as a rumor.

NVIDIA AD102 GPU might be even more power-hungry than previously thought

NVIDIA Ada Lovelace GPUs to require beefier power supplies. 

The RTX 40 series based on Ada Lovelace graphics architecture is now expected to launch by the end of the third quarter, leaker Greymon55 revealed in one of his tweets. This new architecture has been rumored for a long time to increase power requirements to insane levels, even higher than RTX 3090 Ti now expected to be 450W GPU.

The next-gen GeForce series will make use of a new PCIe Gen5 power connector other rumors have suggested. This alone might be the reason for NVIDIA’s lack of incentive to lower the power requirements of the new cards. The flagship RTX 40 series, such as the rumored RTX 4080/4080Ti/4090 GPUs, might consume more than 450W:

Kopite7Kimi confirms that there were indeed rumors about 450-800W power consumption for next-gen NVIDIA GPUs, however, they should be taken with a grain of salt as this source has questionable credibility (50%).

One should note that such a high power consumption mentioned in those tweets (600-850W) might refer to professional solutions which might be released with AD102 Lovelace architecture as well.

The AD102 GPU is now expected to be using TSMC N5 process technology. This processor is supposedly using a monolithic design with an estimated die size of 600 mm². According to previous rumors, the AD102 might feature as many as 18432 CUDA cores, but of course, such configuration might not be immediately available for consumer GPUs, if they are being planned at all.

According to Greymon55, the first RTX 40 GPUs might be announced in September this year, which is even earlier than previously reported, but it does follow NVIDIA’s 2-year architecture cadence.

Next-gen Flagship GPU Comparison (RUMORED)
VideoCardz.com
NVIDIA AD102
AMD NAVI 31
Fabrication NodeTSMC N5TSMC N5/N6
ArchitectureNVIDIA Ada LovelaceAMD RDNA3
GPU PackageMonolithicMulti-Chip-Module (MCM)
Estimated GPU Size~600mm²~800mm²
Graphics Dies12
GPU Mega Clusters12 Graphics Processing Clusters (GPC)6 Shader Engines
GPU Super Clusters72 Texture Processing Clusters (TPC)60 RDNA Workgroups (WGP)
GPU Clusters144 Streaming Multiprocessors (SM)
GPU FP32 Cores18432 CUDA Cores15360 Stream Processors
GPU Clock~ 2.2 GHz?
Memory & BusGDDR6X 384-bitGDDR6 256-bit
Large L3 Cache?256-512MB Infinity Cache
Rumored Power Consumption450~650~850W450~480W
Release DateSeptember 2022Expected 2H 2022
Rumored SKUGeForce RTX 4090Radeon RX 7900XT
Rumored Performance2x GA1022.5x NAVI 21

Source: @greymon55, @kopite7kimi




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