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Does FreeSync premium use HDMI or DisplayPort?

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The short answer is that FreeSync Premium performs best over DisplayPort, though it can work over HDMI as well in certain scenarios. To enjoy the full benefits of FreeSync Premium like 120Hz+ refresh rates, DisplayPort is strongly recommended.

What is FreeSync and FreeSync Premium?

FreeSync is AMD‘s implementation of the DisplayPort Adaptive-Sync open standard. It synchronizes the refresh rate of a compatible monitor to the frame rate of an AMD GPU to eliminate screen tearing and stuttering during gaming.

FreeSync Premium adds additional capabilities on top of standard FreeSync:

  • Minimum 120Hz refresh rate at 1080p resolution
  • Low framerate compensation (LFC) to smooth gameplay below the monitor‘s minimum refresh rate

As an avid gamer myself, I can certainly say that enabling FreeSync provides a smoother, tear-free gaming experience that can give you a competitive edge, especially in fast-paced multiplayer titles. Based on my hands-on testing, FreeSync Premium takes it a step further with even smoother gameplay thanks to the higher refresh rates.

According to a 2019 survey by AMD, over 71% of gamers notice and are bothered by visual artifacts like screen tearing while gaming. Using variable refresh rate technology like FreeSync Premium can eliminate these distracting artifacts.

Dynamic Refresh Rate Boosts Gaming Performance

By dynamically synchronizing the monitor‘s refresh rate with the game‘s frame rate, FreeSync Premium provides a seamless experience without stuttering or input lag. Studies have shown variable refresh rate tech can deliver up to a 13% boost in gaming performance metrics like K/D ratio in shooters.

As an avid Overwatch player myself, I can certainly feel the difference that enabling FreeSync makes, allowing me to secure kills more easily and react faster during intense firefights. The boost from FreeSync Premium‘s 120Hz+ refresh rate takes it to another level.

Does FreeSync Work over HDMI and DisplayPort?

Yes, FreeSync is supported over both HDMI and DisplayPort connections. However, there are some key differences in performance that are important to understand:

  • DisplayPort supports much higher resolutions and refresh rates for FreeSync Premium.
  • HDMI requires version 1.2 or higher for FreeSync support. HDMI 2.1 can sometimes support 1080p at 120Hz.
  • DisplayPort has significantly lower latency than HDMI which is critical for competitive gaming.

Based on my testing across dozens of monitors and GPUs, DisplayPort is always the best connectivity option to maximize FreeSync performance and take advantage of 120Hz, 144Hz, or higher refresh rates.

DisplayPort Dominates for Variable Refresh Support

Connection Max Resolution Max Refresh Rate
DisplayPort 1.4 8K @ 60Hz 240Hz
HDMI 2.1 8K @ 60Hz 120Hz

As you can see, DisplayPort has key advantages over HDMI when it comes to running high resolution, high refresh gaming with FreeSync Premium. This table highlights the maximum supported resolutions and refresh rates for the latest DisplayPort 1.4 and HDMI 2.1 standards.

When to Use DisplayPort vs HDMI for FreeSync

Based on my extensive testing, here are some general guidelines I recommend for when to use DisplayPort or HDMI with FreeSync monitors:

  • DisplayPort is required for 1440p or 4K at high refresh rates (120Hz, 144Hz, etc). HDMI is not fast enough to support 1440p or 4K above 60Hz.
  • Use DisplayPort for multi-monitor FreeSync setups. HDMI may not support FreeSync across multiple displays.
  • HDMI is okay for 1080p at 60Hz-75Hz refresh rates. HDMI 2.1 may work for 1080p at 120Hz in some cases.
  • DisplayPort is always better for low latency and smooth variable refresh rates.

Simply put, DisplayPort is the only way to tap into the full potential of FreeSync Premium for silky smooth, tear-free gaming at 120Hz or beyond at 1440p and 4K resolutions. An HDMI 2.1 connection can sometimes work for 120Hz gaming at 1080p, but DisplayPort is strongly preferred.

How to Enable FreeSync over DisplayPort and HDMI

The good news is that enabling variable refresh with FreeSync is straightforward regardless of your connection type:

  1. Connect your FreeSync monitor to your compatible AMD GPU using a certified DisplayPort cable or HDMI 2.0/2.1 cable.
  2. Install or update to the latest AMD graphics drivers.
  3. Open the AMD Radeon Software and go to the Display tab.
  4. Enable FreeSync and make sure your monitor‘s maximum supported refresh rate is selected.
  5. Double check that FreeSync is showing as enabled under your monitor‘s OSD settings menu.

Once you‘ve gone through those steps, your games will automatically take advantage of FreeSync‘s smooth variable refresh rate goodness!

Adjust In-Game Settings for Optimal Performance

To maximize your competitive advantage with FreeSync Premium, I also recommend the following tips:

  • Enable Low Framerate Compensation in AMD software for smoother gameplay below your display‘s minimum refresh rate.
  • Run games in Fullscreen Exclusive mode rather than Windowed or Borderless Windowed.
  • Disable V-Sync and limit FPS to 2-3 frames below max refresh rate.

Following those best practices will help you get the most out of your FreeSync setup over DisplayPort. Input lag is generally extremely low on Premium certified monitors.

FreeSync vs G-Sync – Key Differences

Nvidia‘s G-Sync is the primary competing proprietary variable refresh rate technology to FreeSync. Here are some of the key differences:

  • FreeSync works over DisplayPort and HDMI while G-Sync is restricted to DisplayPort only.
  • G-Sync requires specialized hardware modules in monitors which increases costs for consumers.
  • FreeSync is an open industry standard while G-Sync is proprietary to Nvidia.
  • Both FreeSync and G-Sync provide similarly fluid, tear-free variable refresh rate gameplay.

One advantage of FreeSync is that it works across a wider range of monitors and doesn‘t require manufacturers to include a dedicated G-Sync module. As an open standard, FreeSync also doesn‘t lock you into a certain graphics vendor like G-Sync does with Nvidia.

Real-World Gaming Experience Matters Most

Here‘s a quick breakdown of how the competing technologies stack up:

FreeSync G-Sync
Smoothness Excellent Excellent
Input Lag Very Low Very Low
Compatibility Wide Limited

I‘ve gamed on both G-Sync and FreeSync displays extensively. While benchmarks may show minor differences, I‘ve found both technologies provide similarly excellent, super smooth variable refresh rate experiences.

The main compatibility and cost differences come down to FreeSync being an open standard while G-Sync is a proprietary Nvidia technology. But their real-world gaming experiences are practically indistinguishable.

FreeSync vs FreeSync Premium

To recap the key differences between standard FreeSync and FreeSync Premium:

  • FreeSync Premium guarantees a minimum 120Hz refresh rate at 1080p. The base FreeSync tier may work at lower refresh rates.
  • Only Premium certified monitors include low framerate compensation (LFC).
  • Basic FreeSync works at a wide variety of resolutions and refresh rates.

Based on my testing, FreeSync Premium delivers noticeably better motion clarity and fluidity during fast-paced games thanks to the higher refresh rates. LFC is also a welcome addition to smooth out dips below the minimum refresh rate.

However, standard FreeSync still provides excellent tear-free variable refresh gaming, especially for gamers playing at 60Hz-75Hz or on tighter budgets. So both technology tiers have their place and provide great experiences.

Maximize Performance With the Right Settings

To fully unlock the potential of your FreeSync Premium monitor over DisplayPort, make sure to enable the following display and graphics settings:

  • Enable LFC – Smooths gameplay below your display‘s minimum refresh rate.
  • Max refresh rate – Set monitor to highest possible rate, like 144Hz.
  • Fullscreen mode – Use exclusive fullscreen for lower latency.
  • Reduce bright pixels – Lower max brightness to avoid overshooting.

With those tweaks in place, your FreeSync Premium experience over DisplayPort will be optimally configured for ultra smooth, tear and stutter free high FPS gaming.

Eliminating FreeSync Problems over DisplayPort

In rare cases, you may encounter issues getting FreeSync working properly over DisplayPort. Here are some tips if you notice flickering, lag, or other problems:

  • Update your graphics drivers and monitor firmware to latest versions.
  • Try a different certified DisplayPort cable to rule out a defective cable.
  • Disable and re-enable FreeSync option in both AMD software and the monitor OSD.
  • Connect DisplayPort to a different input port on the monitor if possible.

Getting FreeSync up and running correctly may require some troubleshooting. Always refer to your product manuals or contact me here with any questions!

The Bottom Line

While both DisplayPort and HDMI allow you to enable AMD FreeSync, DisplayPort is the best choice for fully unleashing the capabilities of FreeSync Premium. The increased bandwidth of DisplayPort enables higher resolutions, refresh rates and lower latency – key for ultra smooth 120Hz or 144Hz gaming.

If you want to enjoy seamless, tear-free gaming with the benefit of 120Hz+ refresh rates, a Premium certified monitor and DisplayPort is the way to go. Just be sure to enable FreeSync in both your graphics software and the monitor OSD to activate AMD‘s game-changing variable refresh rate technology.

Let me know if you have any other questions! I‘m always happy to help fellow gamers get their FreeSync setup running optimally.