Both house 3000 mAh battery, but Lava Iris Fuel 10 is running a more up to date chipset configuration. Fuel 10 has a simple 4.5 Inch WVGA display powered by 1.3GHz quad-core MediaTek processor with 1 GB RAM and 8 GB internal storage, expandable by another 32 GB. Recommended: Intex Aqua Power HD with 2 GB RAM and 4000 mAh Battery at 9,444 Rest is business as usual, with 5 MP AF rear camera, 2 MP front facing camera, Android 4.4.2 KitKat, 3G, WiFi 802.11 b/g/n, Bluetooth 4.0, dual SIM and GPS.
Laga Iris Fuel 25, on the other hand, has a larger 5 Inch display with FWVGA 854 X 480 pixels but employs a very basic 1 GHz dual core CPU with 512 MB RAM and 4 GB internal storage. There is a 5 MP CameraChip sensor on the rear side and an elementary VGA camera at the front. Other features include Android 4.4.2 KitKat, 3G, WiFi 802.11 b/g/n, Bluetooth 4.0, dual SIM and GPS. Recommended: Lava Iris Fuel 60 Quick Review, Price and Comparison Both phones are pretty standard affair, except for the bigger battery. Lava is also offering 500 MB Data per month for two months to Airtel subscribers as introductory offer.