Performance tuning on the Lenovo Legion Pro 7i for 2023 featuring the RTX 4090 including enabling Undervolting int he BIOS, Undevolting through Lenovo Vantage and impact on performance.

2023 Lenovo Legion 7i Pro
Intel i9-13900HX 24 cores/32 threads
32GB DDR5 5600Mhz RAM (dual-channel)
1TB PCIe NVMe Gen 4 SSD
16" 2560x1600 QHD+ 16:10 240Hz G-sync 500 nits display
NVIDIA RTX 4090 16GB (max TGP 175W)
Intel WiFi 6E AX211 with Bluetooth 5.3
Per-key RGB backlit 1.5mm travel keyboard
FHD 1080p webcam
99Wh battery
330W power adapter
2.8 kg / 6.17 lbs.

00:00 Intro
03:37 Enable Undervolt in BIOS
04:46 Undervolt in Lenovo Vantage
05:04 Hogwarts Legacy performance
09:43 Cyberpunk 2077 performance
14:25 Borderlands 3 performance
17:02 Undervolt in Intel XTU
17:51 Undervolt in Throttlestop
18:51 Fan curve control
22:07 Conclusion

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