Condor XC-007,Condor XC MINI,V8/X6 Key Cutter and MIRACLE A7 Comparison Table

What’s the difference among top 4 automotive key cutting machines in the aftermarket. 
Key cutting machine comparison:

Item Number SL257 SL252 SL260 SL273
Product V8/X6 Key Cutting Machine CONDOR XC-007 IKEYCUTTER MIRACLE A7 iKeycutter CONDOR XC-MINI
Apparence  automatic-v8-key-cutting-machine-1  ikeycutter-condor-xc-mini-new-1  korea-miracle-a7-key-cutting-machine-update-1  ikeycutter-condor-xc-mini-11-300x300
Update NO YES,Online Update NO YES,Online Update
Language English English English English
Car list Acura, AlfaRomeo, Audi, BMW,Buick, Cadillac, Chevrolet, Chrysler,Citroen, Daihatsu, Dodge, Ducati,
Ferrari, Fiat, Ford, GCC, GMC,
GreatWall, Holden, Honda, Hummer,
Hyundai, Infiniti, Iveco, Jaguar,
Jeep, Kia, Lancia, LandRover, LDV,
Lexus, Lincoln, MAN, Mazda, Mercedes,
Mercury, Mini, Mitsubishi, Nissan,
Opel, Peugeot, Piaggio, Porsche,
Proton, Renault, Rover, Saab, Scania,
Seat, Skoda, Ssangyong, Subaru, Suzuki,
Toyota, Vauxhall, Volkswagen, Volvo…
Same Same Same
Way of Key Cutting
1 Directly put key information
2 Copy key
3 Measuring key
Same Same Same
Applied Voltage No limited Need Setting,
Original Voltage is 220V
No limited No limited
If Original Copy Original Copy Original Xhorse
Which one is best ?
CONDOR XC-007 (SL252) is best one as it is most stable. CONDOR XC-MINI(SL273) is mini version of CONDOR XC-007. They all support online update.
CONDOR XC-007 NO NEED connect with computer when you cut key, database is build in the main unit. Only when update you have to connect computer. While Korea MIRACLE A7(sl260), V8/X6(sl257) can connect with computer when cut key.