Knowledge Base

Can You Sli Two Different Gpus?

Can You Sli Two Different Gpus?

GPUsYou need two graphics cards that support SLI configuration. They don’t have to be the same model or brand, but they should have the same GPU and VRAM size.
MotherboardYour motherboard must have an SLI-compatible chipset and two PCIe x16 slots. Check your motherboard manual to confirm compatibility.
Power supplyYour power supply unit (PSU) must be powerful enough to handle both graphics cards. Check the power requirements for each card and add them together to determine the minimum PSU wattage.
SLI bridgeYou’ll need an SLI bridge to connect the two graphics cards. Check your motherboard manual to see which size and type of bridge you need.
DriversYou’ll need the latest graphics card drivers from the manufacturer’s website. Make sure you download and install the SLI profile for the games you want to play.
CoolingSLI configurations can generate much heat and noise, so ensure your case has adequate airflow and your fans run at maximum speed. Consider liquid cooling or aftermarket coolers for your graphics cards.

If you want to upgrade your gaming PC, consider adding a second graphics processing unit (GPU) via Nvidia’s Scalable Link Interface (SLI).

However, a common question among gamers is whether it’s possible to SLI two different GPUs. The answer is not a simple yes or no.

While it technically can be done, several essential factors must be considered before attempting to SLI two different GPUs. In this article, we’ll explore the pros and cons of mixing different GPUs in an SLI setup and provide some tips for deciding whether your system’s the right choice.

 First, the GPUs must be from the same manufacturer. This means you can only SLI it with another NVIDIA GPU if you have an NVIDIA GPU. The same goes for AMD GPUs.

The two GPUs should also have similar specifications, such as memory type, size, and clock speeds. Otherwise, the slower GPU will bottleneck the performance of the faster one.

It is also important to note that not all games support SLI technology and some may perform worse when using multiple GPUs.

Finally, it is recommended to use identical GPUs for better compatibility and performance. However, if you already have a spare GPU lying around and want to try out SLI without spending more money on a new one, then you can give it a shot as long as it meets the aforementioned requirements.

So does it have to be from the same brand? Let’s find out in the next section.

Does It Have to Be From the Same Brand?

Does It Have To Be From The Same Brand

Picture this: you have two graphic cards you want to use in tandem. You’ve heard about SLI and are eager to give it a try. But wait, can you SLI two different GPUs? The answer is yes, you can! It’s not as uncommon as you may think.

However, there are some things to keep in mind. Firstly, both GPUs need to be from the same manufacturer. For example, if one card is from Nvidia, the other must be from Nvidia.

Secondly, they should be of the same series; for instance, if one is from the GTX 900 series, the other should also come from the same series.

That said, even with these requirements met, there’s no guarantee that both cards will work together seamlessly. So before jumping right into it, make sure that both graphic cards are compatible with each other and do your research beforehand.

With all that out of the way, let’s move on to setting up SLI – which isn’t as complicated as it may seem at first glance!

Do You Need Thow to Set Up Sli?

Do You Need Thow To Set Up Sli

1Power off your PC and disconnect all cables from the back.
2Install your second graphics card into the PCIe slot and connect the SLI bridge. Make sure the card is firmly seated and the bridge is securely fastened.
3Connect the power supply cables to the new graphics card.
4Power on your PC and install the latest graphics card drivers from the manufacturer’s website.
5Open the NVIDIA Control Panel and enable SLI.
6Test your SLI configuration with benchmarks or games.
7If you experience issues, check your connections, drivers, and cooling.

Setting up SLI can be challenging, but improving your gaming performance is worth it. However, before you start, it’s essential to understand that SLI requires two identical GPUs. You cannot SLI two different GPUs from different manufacturers or with other specifications.

Once you have identical GPUs, the next step is ensuring your power supply unit (PSU) can handle the additional load. SLI requires more power than a single GPU, so it’s essential to have a PSU that can provide enough power for both cards.

After confirming that your hardware is compatible and sufficient, the final step is to set up the SLI configuration in your computer’s software settings. This process may vary depending on your operating system and GPU drivers, so consult the manufacturer’s instructions for detailed guidance.

With proper setup and configuration, you’ll be able to enjoy improved graphics performance and smoother gameplay. But do both GPUs need the same VRAM? Let’s find out in the next section.

Do Have the Same Vram?

Do Have The Same VramIf you’re looking to SLI two different GPUs, one crucial factor is whether they have the same VRAM. Having different VRAM sizes can cause issues with performance and compatibility. It’s recommended that both GPUs have the same amount of VRAM to ensure smooth operation.

Another thing to remember is that SLI technology can only work with specific GPU models from the same manufacturer. Mixing and matching different brands or models within the same brand can lead to problems and may not work at all. Additionally, SLI requires a powerful enough power supply and motherboard that supports multiple GPUs.

Overall, while it’s technically possible to SLI two different GPUs, it’s a delicate process that requires careful consideration of various factors. If you try it out, research and follow all the steps for proper installation and configuration.

As technology advances, some question whether SLI is becoming obsolete. With the introduction of DirectX 12 software, which allows for better utilization of multiple graphics cards without relying on traditional SLI technology, some believe that traditional SLI setups may be on their way out. We’ll explore this topic further in the next section.

Is Sli Dead? – Directx 12; a Death Knell for Sli?

Is Sli Dead – Directx 12 A Death Knell For Sli

GPUsYou still need two or more GPUs to run SLI configuration.
MotherboardThe SLI-compatible motherboard is still required for SLI configuration even if using DirectX 12.
DirectX 12 supportThe operating system and graphics cards must support DirectX 12 API.
Game supportThe game or application must support DirectX 12 explicit multi-GPU rendering to utilize the benefits of DirectX 12 over SLI.
EfficiencyExplicit multi-GPU rendering provides more efficient use of multiple GPUs than implicit multi-GPU rendering used by earlier versions of DirectX.
PerformanceDirectX 12 offers built-in scaling, improving frame rates and performance even for games without explicit DirectX 12 multi-GPU support.
CompatibilityNot all games support DirectX 12 explicit multi-GPU rendering and may still require SLI or CrossFire configuration.
Alternative technologiesNvidia has introduced other technologies like NVLink and Scalable Link Interface (SLI) Mosaic, which provide alternative ways of harnessing multi-GPU performance. However, these technologies are not available or compatible with all graphics cards.

DirectX 12 has caused some concern over the future of SLI, as it is not guaranteed to be compatible with the technology. However, its performance benefits are still highly sought and can be utilized in certain games.

SLI has been known to introduce bottlenecks due to its reliance on a single bridge connection, but it still offers more potential than many multi-GPU solutions.

With more game optimization, DX12 support and advanced SLI technologies, the future of SLI looks promising.

Directx 12

Are you tired of hearing about SLI? With the arrival of DirectX 12, it’s time to talk about the potential death knell for this once-popular technology.

One of the main reasons for this is that DirectX 12 allows games to better utilize multiple GPUs without requiring SLI or Crossfire setups.

DirectX 12 has a new feature called Explicit Multi-Adapter, which lets developers use different GPUs in a system together. This means that you could take advantage of your old graphics card and pair it with a newer one to get better performance.

Additionally, DX12 distributes rendering tasks across all available GPUs, which should lead to more efficient usage overall.

Of course, there are some limitations to this technology. For example, not all games will support multi-GPU setups through DX12 yet. However, as more games adopt this API and development tools evolve, we may see an even more significant shift away from traditional SLI configurations.

Sli Performance

Now that we have discussed the potential end of SLI due to DirectX 12, let’s delve into SLI performance.

Traditionally, by adding GPU to their system, SLI has been a popular way for gamers to increase their graphics power. However, its efficacy has been debated over the years.

One of the main criticisms of SLI is that not all games are optimized for it, meaning that users may not see any performance increase in specific titles. Additionally, SLI setups can be expensive and require more power consumption and cooling than a single GPU system.

However, when appropriately used in games that support it, SLI can provide significant performance improvements and allow gamers to play at higher resolutions and graphics settings.

Ultimately, whether or not SLI is worth it comes down to individual needs and preferences. As DX12 evolves and game developers adopt its features, we may see a shift away from traditional SLI configurations. Still, until then, its performance potential remains relevant for some gamers.

What Can I Do if I Have a Second Nvidia Graphics Card?

What Can I Do If I Have A Second Nvidia Graphics Card

Second Graphics CardYou need a second NVIDIA graphics card to utilize it in your system.
SLI BridgeIf you want to utilize both graphics cards in SLI configuration, you need an SLI bridge to connect them; check the degree of the SLI bridge in your motherboard.
DirectX 12If your operating system and graphics cards support DirectX 12, you can use it to enable explicit multi-GPU rendering without needing SLI bridges.
PSUYour power supply unit (PSU) must have enough power to handle multiple graphics cards. Check the power requirements of both graphics cards to ensure they can be powered without an issue.
MotherboardYour motherboard must have PCIe x16 slots to accommodate multiple graphics cards. Check your motherboard manual to determine the number of PCIe slots available.
CaseYour case must have enough space to fit multiple graphics cards and sufficient cooling to prevent overheating.

Yes, you can SLI two different GPUs.

You’d need to check the compatibility of the cards first, then configure your monitors for a multi-monitor setup, and then you can set up the SLI configuration.

Once it’s done, you can take advantage of SLI’s increased performance.

Multi-monitor Setup

Have you ever considered setting up a multi-monitor system but are unsure if you can use two different GPUs?

The good news is that it is possible to SLI two different NVIDIA graphics cards as long as they are both based on the same GPU. If you have a GTX 1080 Ti and a GTX 1080, you can pair them up for an improved gaming experience.

To set up a multi-monitor system with two different GPUs, you must install both graphics cards into your computer and connect each monitor to one of the GPUs. Once installed, navigate to the NVIDIA Control Panel and enable SLI. Select the option ‘Maximize 3D performance’ and save your settings. You should now be able to enjoy an immersive gaming experience across multiple monitors.

It’s important to note that while SLI-ing two different GPUs can improve your gaming experience, it may not be worth the cost in terms of performance gains versus the investment required. Additionally, not all games support multi-GPU configurations, so it’s essential to do your research before investing in a second GPU for your multi-monitor setup.

Sli Configuration

If you have a second NVIDIA graphics card, you may wonder what to do with it. One option is to set up an SLI configuration for improved gaming performance.

SLI stands for Scalable Link Interface and allows two GPUs to work together to render graphics more efficiently. To set up an SLI configuration, you will need two NVIDIA graphics cards that are compatible with each other. This means that they should be based on the same GPU architecture and have similar specifications.

Once you have installed both graphics cards into your computer, navigate to the NVIDIA Control Panel and enable SLI. You can then adjust settings such as ‘Maximize 3D performance’ to optimize your gaming experience. While setting up an SLI configuration can improve your gaming experience, it’s important to note that not all games support multi-GPU formats.

Additionally, the cost of investing in a second GPU may not be worth the performance gains for some users. It’s essential to do your research before deciding whether or not to set up an SLI configuration for your gaming setup.

Frequently Asked Questions

1. Can I Sli Two Different Gpus With Different Clock Speeds?

As the saying goes, ‘variety is the spice of life,’ but it may not always be the best option for SLI-ing two different GPUs with different clock speeds.

While technically possible, several factors must be considered before mixing and matching graphics cards in SLI configuration. Firstly, both GPUs should be from the same manufacturer and have the same architecture for optimal performance. Secondly, their clock speeds should be similar enough to avoid any bottlenecks or compatibility issues.

In conclusion, while it is possible to SLI two different GPUs with varying clock speeds, it’s crucial to weigh the pros and cons carefully before proceeding with this setup.

2. Can I Sli an Nvidia and an Amd Gpu Together?

No, it is not possible to SLI an Nvidia and an AMD GPU together.

SLI is a technology developed by Nvidia for using multiple graphics cards in a computer system to increase performance.

AMD has its technology called CrossFire that allows for multiple GPUs to work together but it only works with AMD GPUs.

Attempting to mix and match different brands of GPUs will result in compatibility issues and will not work correctly.

Using identical GPUs when configuring a SLI setup for optimal performance is recommended.

3. What Are the Performance Benefits of Sli-ing Two Different Gpus?

There are a few things to consider regarding the performance benefits of SLI-ing two different GPUs.

First, it’s important to note that SLI only works with identical GPUs, so attempting to SLI two different GPUs will not work.

Additionally, even if you could SLI two different GPUs, there may not be any significant performance benefits as the GPUs would likely have differing clock speeds and memory configurations.

Ultimately, if you want to improve your system’s graphics performance through SLI, it’s best to stick with identical GPUs for the best results.

4. Can I Sli Two Different Gpus With Different Amounts of Cuda Cores?

Yes, it is possible to SLI two different GPUs with different amounts of CUDA cores. However, the performance benefits may not be as significant as when using two identical GPUs.

The SLI technology works by dividing the workload between the two GPUs, but if the GPUs have different specifications, one GPU may do more work than the other, resulting in an uneven workload distribution and decreased performance.

It is also important to note that SLI support varies depending on the GPU model and manufacturer, so checking compatibility before attempting two different GPUs is crucial.

5. Can I Sli Two Different Gpus With Different Power Requirements?

Yes, it is possible to SLI two different GPUs with different power requirements.

However, it is essential to note that the GPU with the higher power requirement will run at a lower clock speed to match the performance of the lower-powered GPU.

This means that you might not see a significant improvement in performance by using two different GPUs with varying power requirements.

It’s also important to consider whether your power supply can handle the increased load and if your motherboard supports SLI with different GPUs.

While possible, it may not be the most practical option for improving your system’s graphics performance.


In conclusion, while it is possible to SLI two different GPUs with varying clock speeds, CUDA cores, and power requirements, it may not always result in the best performance.

SLI-ing an NVIDIA and an AMD GPU together is also not recommended due to compatibility issues.

However, some performance benefits may be gained for those unwilling to take the risk and experiment with different combinations of GPUs.

It is essential to research and ensure that both GPUs are compatible before attempting to SLI them.

Ultimately, the decision to SLI two different GPUs will depend on individual preferences and priorities regarding gaming performance.

Patty Scott

I have been writing articles from the very beginning. I research before writing tutorials and make sure to pen it down in such a way that it becomes easier to understand by users.

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