Next generation Inspiron 15-7577 replace 15-7567 with
- New design and layout.
- Spec with GTX1050/GTX1050Ti/GTX1060 Max-Q
- 15.6 IPS FHD screen
- lower battery capacity 4 cells 56Whr
- thunderbolt 3/usb3.1-C port.

Unfortunately, they remove the budget i5/GTX1050Ti variant. 

Refer to post#1 for latest updated catalog. 
http://www.dell.com/en-us/shop/dell-laptop...-15-7577-laptop

Inspiron 15 7577	i5-7300HQ Q'core, GTX1050(4GB), 15.6" IPS FHD matte	4GB DDR4, 1TB, W10, backlit KB, 4 cells 56Whr, 130W charger, TB3/USB3.1-C	3899
Inspiron 15 7577	i7-7700HQ, GTX1050Ti(4GB), 15.6" IPS FHD matte	8GB DDR4, 128GB SSD, 1TB, W10, backlit KB, 4 cells 56Whr, 130W charger, TB3/USB3.1-C	5399
Inspiron 15 7577	i7-7700HQ, GTX1060MQ(6GB), 15.6" IPS FHD matte	16GB DDR4, 256GB SSD, 1TB, W10, backlit KB, 4 cells 56Whr, 180W charger, TB3/USB3.1-C	6599