Those two are complete different and unrelated models. But they are designed for different market segments.
Warp 7
System: Android 6.0;
Screen: 5.5″;
SoC: Snapdragon 410;
RAM: 2GB;
Storage: 16GB + microSD;
Cameras: 13/8MP;
Battery: 3080mAh;

Axon 7 Mini
System: Android 6.0;
Screen: 5.2″ 1080p;
SoC: Snapdragon 617;
RAM: 3GB;
Storage: 32GB + microSD;
Cameras: 16/8MP;
Battery: 2800mAh;
Others: dual SIM;
Prices are $99,99 for Warp 7 and around $333 (EUR 299) for Axon. They are good taking components into account and both will launch this week – Axon today on IFA in Berlin and Warp Spetember 5th in US in Boost Mobile (price without contract).

Source: gsmManiaK (Polish)