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In the realm of gaming, performance is king. Gamers seek every advantage to push their systems to the limit, and for years, SLI (Scalable Link Interface) promised a tantalizing solution. The idea was simple: combine the power of two graphics cards to create a single, supercharged GPU. However, SLI support’s journey has been fraught with challenges, from driver issues to lackluster game support. But fear not—there are still games that embrace SLI and deliver impressive results. Let’s explore the best games that support this dual-GPU technology.
SLI Support: Unraveling the Dual-GPU Dilemma
In the realm of gaming hardware, the concept of Scalable Link Interface (SLI) has long intrigued enthusiasts. The promise of harnessing the combined power of two graphics cards to create a single, supercharged GPU seemed tantalizing. However, SLI’s journey has been fraught with challenges, from driver issues to lackluster game support. Let’s delve into the intricacies of SLI and explore its relevance in today’s gaming landscape.
What Is SLI Support?
SLI, an abbreviation for Scalable Link Interface, was NVIDIA’s technology designed to combine resources from two graphics cards and utilize them as a unified GPU. In theory, this idea held immense potential. However, reality painted a different picture. SLI’s entire run was marred by driver inconsistencies and a lack of support from game developers—the crucial ingredient it desperately needed for success. To function, SLI required two identical GPUs running side by side, limiting flexibility. The master-slave configuration further restricted how frames were rendered, often using alternate frame rendering. Additionally, the low bandwidth provided by SLI bridges hindered its scalability.
NVLink: The Superior Alternative to SLI Support
Enter NVLink, a more recent technology that outperforms SLI. NVLink is a technology that allows you to create a high-bandwidth link between two compatible video cards, enabling them to work together as a unified GPU. Regardless of the cards you’re using, they must be connected by a physical NVLink bridge (or sometimes two bridges). The bridge needs to be the right size to reach between the cards, which can be 2, 3, or 4 PCI-E slots apart.
NVLink addresses SLI’s shortcomings by using mesh networking, allowing every GPU in the setup to function independently as equal contributors to overall processing. It eliminates the master-slave relationship, resulting in more efficient frame rendering. The introduction of the NVLink Bridge significantly improved performance over the traditional SLI bridge. Modern GPUs, such as the RTX 3080 or budget-friendly options like the RTX 2060 or RTX 2070, already excel in most games without the need for dual-GPU setups. Purchasing a second GPU solely for SLI is often unnecessary, as NVLink offers a superior alternative.
To verify that NVLink is working correctly, you can download and run the NVLinkTest utility. This small tool will test and confirm whether NVLink is functioning as expected. In summary, NVLink offers exciting potential for high-performance computing and rendering tasks. While modern GPUs often outperform SLI setups, NVLink remains relevant for those with existing configurations.
Games with SLI Support
The Witcher 3: Wild Hunt
The Witcher 3 needs no introduction. This sprawling open-world RPG, set in a rich fantasy universe, captivated players worldwide. But what makes it even more enchanting for SLI enthusiasts? The answer lies in its scalability. With SLI, you can crank up the settings to ultra, enable hairworks, and still maintain smooth frame rates. Geralt’s adventures become even more immersive as SLI ensures every detail—from the swaying grass to the intricate armor—is rendered flawlessly.
Grand Theft Auto V
Rockstar’s crime-filled sandbox masterpiece, Grand Theft Auto V, thrives on chaos, realism, and sheer scale. SLI steps in to elevate the experience. Imagine cruising through Los Santos with dual GPUs, seamlessly handling the bustling traffic, dynamic lighting, and reflections in real time. SLI ensures that the city’s neon-lit streets and sun-kissed beaches pop with vibrant clarity. Whether you’re chasing down criminals or simply soaking in the virtual sunsets, SLI support in GTA V transforms the game into a visual spectacle.
Conclusion: A Dual-GPU Renaissance?
In the age of NVLink and more efficient technologies, SLI may seem like a relic. But for those who still wield dual GPUs, these games prove that SLI support isn’t entirely obsolete. As of 2024, titles like The Witcher 3 and GTA V embrace the potential of multiple graphics cards. However, it’s essential to note that modern GPUs, such as the RTX 3080 or RTX 2070, often outperform SLI setups. Purchasing a second GPU solely for SLI support might be unnecessary, but for those with existing setups, these games offer a glimpse into the dual-GPU renaissance.