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RTX 40 sequence could solely characteristic PCIe Gen 4 connector


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It has been rumored that the subsequent greatest GPU era from Nvidia is probably not as leading edge because it may very well be. Prolific leaker kopite7kimi has advised the RTX 40 sequence will nonetheless characteristic a PCIe Gen 4 interface. This might imply there wouldn’t be an improve from the present era within the bandwidth allowed. Even with the brand new PCIe Gen 5 16 pin connector that may present graphics playing cards with 600W on every connector.

On the present time, solely Intels Alder Lake helps PCIe 5.0, however AMD is predicted to deliver the identical characteristic to their upcoming launch later within the yr. Upgrading from PCIe 4.0 to five.0 would double the accessible throughput for the graphics card. It might soar from 31.508GB/s to 63.015GB/s, assuaging any worries that the connection could also be a bottleneck for the elevated capabilities of the brand new playing cards.

It’s particularly attention-grabbing if true as solely lately in March did Nvidia launch the Hopper GPU that options an improved connector. And it’s not unusual for server-grade playing cards to supply info on what we could get on the consumer-grade. If AMD contains the brand new connector in its Radeon lineup they will get a bonus if they will put it to use totally.

RTX 40 sequence specs

With a possible piece of the puzzle, we are able to put it along with the remainder of the knowledge we presently have. Together with an enchancment within the node course of, there may be potential for MCM packages, though extra more likely to come from AMD initially. Together with that, we might see a lot quicker manufacturing facility clock charges and speeds in reminiscence on the cardboard.

Nonetheless, that is nonetheless early on and never every part is ready in stone, particularly with no acknowledgment from the producer itself. One other message from the leaker is the single-precision (FP32) core config is probably not the identical as Amperes. So the CUDA core rely could not change however a brand new kind altogether may very well be launched.

RTX 4090 RX 7900
Node course of TSMC N5 TSMC N5/6
Structure Nvidia Ada/Lovelace AMD RDNA3
Package deal Monolithic Multi-chip module (MCM)
Estimated measurement ~600mm² ~800mm²
Mega clusters 12 graphics processors 2×3 shader engines
Tremendous clusters 72 texture processors 2×30 RDNA teams
Clusters 144 streaming multiprocessors
FP32 cores 18,432 CUDA cores 15,360 stream processors
Clock velocity ~2.2 GHz ~2.5 GHz
Reminiscence kind 24GB GDDR6X GDDR6 ?
Reminiscence clock & bus 21Gbps 384-bit 256-bit ?
Interface PCIE Gen4 ?
Energy 600W 500W

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