Can RTX 4090 do SLI
Those still dreaming of running multiple GPUs at once are in for some dissapointment
Before we talk about what new technology means for regular people, let’s clear up some of the latest technology. The RTX 4090 easily outperforms prior-generation graphic cards in technology used and performance.
With upgrades to all of the core hardware, significantly faster clock rates, and cutting-edge technology like DLSS 3, a new standard has been set, albeit at a very expensive cost. New streaming microprocessors developed by Nvidia are touted as having up to a twofold increase in performance while using less power than the earlier technology.
ASUS ROG Strix RTX 4090 OC
The sophisticated AI components of Nvidia graphics cards are powered by fourth-generation Tensor Cores, which claim to double AI performance. Third-generation RT Cores, in contrast, provide up to twice the performance when the resource-intensive ray tracing feature is activated.
But since Nvidia officially shut down SLI in the form of physical bridges with the RTX 40 series, the likelihood of it happening is incredibly slim. Over the past few years, SLI support has decreased to the point that it is currently only effective in synthetic benchmarks. It is possible to enable SLI in games that do not officially support it.
But these outcomes are, at best erratic and frequently lead to system instability or significant micro-stuttering issues while gaming. SLI does have some potential, though. Enterprise environments frequently use several GPUs, and Nvidia even offers multi-GPU technology that doesn’t require an NVLink or SLI bridge.
On the gaming front, contemporary APIs like DX12 and Vulkan can render frames to two completely distinct GPUs simultaneously. Therefore, there is a probability that multi-GPU technology will eventually return to the gaming industry (but whether developers want to support multi-GPU technology for gaming is a different story).
And so you won’t find any SLI connectors on the RTX 4090. It is unlikely any of the RTX 4000 cards will feature the unused technology.
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