Moto G4 vs Moto G4 Plus or LG Nexus 5X. What should I buy?

I want to buy a new phone, I'm short of money, but want the best phone I can get. I'm between the Motorola Moto G4 and Motorola Moto G4 Plus or LG Nexus 5X, but the difference between the prices, the phones (G4 Plus and 5X) worth the money? Or should I buy the G4? Which is better? HELP

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