The Snapdragon 8 Elite comes with an improved GPU than its predecessor. It's reportedly 40% better, which has possibly made it capable of emulating Red Dead Redemption at over 160 FPS.https://www.notebookcheck.net/Snapdragon-8-Elite-allegedly-runs-Red-Dead-Redemption-at-over-160-FPS.911748.0.html
Is it PC or Switch emulation? Switch is natively ARM, it's probably easier to emulate on Android rather than x86 PC.