LoL Patch 25.14: Mac Metal Upgrade Explained – FPS Boosts, Fixes & Future Support

๐Ÿ–ฅ️ League of Legends on Metal for macOS: What’s New in Patch 25.14?

Riot Games has officially completed its transition from OpenGL to Apple’s Metal graphics API in League of Legends with Patch 25.14, marking a major milestone for Mac users. This long-awaited change brings noticeable performance boosts, enhanced stability, and future-proofing for newer Macs using Apple Silicon (M1, M2, M3).

Whether you’re a long-time Mac player or just checking if your Mac can run LoL more smoothly, here’s everything you need to know about the Metal upgrade.


๐Ÿ” TL;DR – What’s Changed in Patch 25.14 for Mac Users

✅ Upgrade        ๐Ÿ”ง Old (OpenGL)                ๐Ÿš€ New (Metal)
FPS BoostLower, capped by CPU+30–40% avg FPS
StabilityFrequent stutters/crashesMore stable
TeamfightsFrame drops commonSmoother rendering
Load TimesSlower, CPU-bound15–20% faster
Battery LifeHigh drain on laptopsImproved efficiency

๐ŸŽฏ Why Did Riot Switch from OpenGL to Metal?

LoL Patch 25.14: Mac Metal Upgrade Explained
๐Ÿ”ป The Problem with OpenGL:

  • Outdated API no longer optimized for modern macOS

  • Poor performance on Apple Silicon chips (M1/M2/M3)

  • Higher CPU usage and thermal throttling on laptops

✅ The Benefits of Metal:

  • Native macOS support = better optimization

  • Faster frame rendering = smoother gameplay

  • Improved power efficiency = longer battery life

  • Future-ready graphics for upcoming macOS versions

Riot’s goal? Ensure League stays playable and competitive on Mac for years to come.


๐Ÿ“ˆ Metal FPS Benchmarks – Real-World Results

Early benchmarks confirm major performance gains for a wide range of Mac hardware:

Mac Model                        Avg FPS (OpenGL)    Avg FPS (Metal)    Gain
M1 MacBook Air~80 FPS~110 FPS+37%
Intel MacBook Pro (2020)~90 FPS~120 FPS+33%
M3 Max MacBook Pro~140 FPS~180 FPS+28%

Other improvements include:

  • Faster load times (15–20% boost)

  • Lower heat and fan usage during long sessions

  • Significantly smoother teamfights (less frame drop chaos)


๐Ÿงฐ Compatibility & System Requirements

๐Ÿ–ฅ️ Supported Macs:

  • Apple Silicon Macs (M1, M2, M3) – fully optimized

  • Intel Macs (2015+) – supported but performance varies

  • Older Macs (pre-2015) – not officially supported

๐Ÿ“‹ Minimum Specs to Run LoL on Metal:

  • macOS Monterey (12.0) or later

  • RAM: 8GB minimum (16GB recommended)

  • GPU: Any Metal-compatible GPU (Intel Iris, AMD, or Apple M-series)

To check if your GPU supports Metal, go to About This Mac > System Report > Graphics/Displays and look for Metal: Supported.


๐Ÿ› ️ How to Check If You’re Running Metal in LoL

  1. Launch League of Legends on your Mac

  2. Go to Settings > About > Renderer

  3. Look for “Metal” or “Apple Metal” as the graphics backend

  4. If you still see “OpenGL,” try:

    • Updating to the latest macOS

    • Reinstalling the League client


๐Ÿงฉ Troubleshooting Common Mac Issues After the Metal Switch

If you’re facing crashes, stutters, or display bugs, here’s how to fix them:

1. Game Crashes at Launch

  • Fix: Update to the latest macOS (Ventura or Sonoma)

  • ๐Ÿ› ️ Workaround: Run in Low Spec Mode: Settings > Graphics > Enable Low Spec

2. FPS Drops or Lag Spikes

  • Fix: Disable MetalFX Upscaling in Settings (can cause visual bugs)

  • ๐Ÿ› ️ Lower Shadow Quality (the most demanding graphics setting)

3. Black Screen or No Display

  • Fix: Reset NVRAM/PRAM

    • Shut down Mac → Hold Cmd+Option+P+R on boot → Release after 20 seconds


๐Ÿ”ฎ Long-Term Benefits of Metal on Mac

The Metal transition isn’t just a patch note—it’s a long-term investment in Mac gaming.

✅ What It Unlocks:

  • Better parity with Windows in FPS and input response

  • MacBooks stay cooler during ranked sessions

  • Riot can now explore advanced graphics features (maybe ray tracing in the future?)

๐Ÿ—ฃ️ Riot Dev Quote:
"This transition ensures League remains playable on Mac for years to come."


๐Ÿง  Final Verdict – Is the Upgrade Worth It?

Yes – If You Have:

  • An Apple Silicon Mac (M1, M2, M3)

  • A MacBook Pro or Air from 2018+

  • Been struggling with FPS or battery issues

No – If You Have:

  • A Mac older than 2015

  • Outdated macOS (below Monterey)

  • No plans to upgrade your OS or hardware soon


๐Ÿ“Œ Metal Upgrade Checklist (Quick Reference)

  • Updated to macOS 12.0+

  • Mac model from 2015 or newer

  • League client updated to Patch 25.14

  • MetalFX disabled (if experiencing bugs)

  • Renderer in settings shows “Metal”


๐Ÿ”— Helpful Links & Community Resources


๐Ÿ’ฌ Share Your Experience!

Are you seeing smoother gameplay on your Mac? Gained FPS? Crashed at champion select?

Drop your setup + results in the comments, and help other Mac summoners optimize their experience in Patch 25.14! 

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