The specific SKU is the Lenovo Y520- 15IKBN. This build uses a Kaby Lake-based quad-core Intel Core i7-7700 HQ clocked at 2.8 GHz base clock with Intel HM175 chipset and a GTX 1050 Ti 4GB GDDR5 clock at 1493 MHz/1620 MHz base/boost clock. While this uses the same desktop-grade discrete graphic chip, the reference clock speed for the GTX 1050 Ti is 1290 MHz/1392 MHz base/boost clock. Which means Lenovo tweaked the GTX 1050 Ti with additional 203 MHz/ 228 MHz, base/boost clock- a maximum of 16.38% increase in clock speed.
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