I'm no expert when it comes to AMD powered devices but this seems like a good deal. After a bit of research seems like the intel equivalent to the CPU is the i7-8550U (i'm sure someone will correct me if I'm wrong). Finding an i7 laptop at this price would be near impossible.
Lenovo IdeaPad 720s (Manufacturer Refurbished) Tech Specs:
AMD Ryzen 7 2700U with Radeon Vega Mobile Gfx, 4 Core(s)
8GB RAM
256GB NVMe SSD
13.3-inch (1920×1080) Screen
Advanced Micro Devices, [AMD/ATI], Raven Ridge [Radeon Vega Series / Radeon Vega Mobile Series]
Advanced Micro Devices, [AMD], Ethernet Connection (5) I219-LM
Wi-Fi and Bluetooth
Webcam
Fingerprint Scanner
USB Port (2), USB Type-C Port (1)
Windows 10
Does this have a touchscreen? Stylus? Used as tablet? Thanks :)