Samsung Galaxy S Duos smartphone was launched in November 2012. The phone comes with a 4.00-inch touchscreen display with a resolution of 480 pixels by 800 pixels at a PPI of 233 pixels per inch. Samsung Galaxy S Duos price in India starts from Rs. 18,488.

The Samsung Galaxy S Duos is powered by 1GHz it comes with 768MB of RAM. The phone packs 4GB of internal storage that can be expanded up to 32GB via a microSD card. As far as the cameras are concerned, the Samsung Galaxy S Duos packs a 5-megapixel primary camera on the rear and a 0.3-megapixel front shooter for selfies.

The Samsung Galaxy S Duos runs Android 4.0 and is powered by a 1500mAh removable battery. It measures 121.50 x 63.10 x 10.50 (height x width x thickness) and weigh 120.00 grams.

The Samsung Galaxy S Duos is a dual SIM (GSM and GSM) smartphone that accepts Regular and Regular. Connectivity options include Wi-Fi, GPS, Bluetooth, FM and 3G. Sensors on the phone include Compass Magnetometer, Proximity sensor and Accelerometer.

Apple iPhone 6 smartphone was launched in September 2014. The phone comes with a 4.70-inch touchscreen display with a resolution of 750 pixels by 1334 pixels at a PPI of 326 pixels per inch. Apple iPhone 6 price in India starts from Rs. 27,990.

It comes with 1GB of RAM. The phone packs 16GB of internal storage cannot be expanded. As far as the cameras are concerned, the Apple iPhone 6 packs a 8-megapixel primary camera on the rear and a 1.2-megapixel front shooter for selfies.

The Apple iPhone 6 runs iOS 8.0 and is powered by a 1810mAh non removable battery. It measures 138.10 x 67.00 x 6.90 (height x width x thickness) and weigh 129.00 grams.

The Apple iPhone 6 is a single SIM (GSM) smartphone that accepts a Nano-SIM. Connectivity options include Wi-Fi, GPS, Bluetooth, NFC, 3G and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include Compass Magnetometer, Proximity sensor, Accelerometer, Ambient light sensor, Gyroscope and Barometer.

Apple iPhone 4 smartphone was launched in June 2010. The phone comes with a 3.50-inch touchscreen display with a resolution of 640 pixels by 960 pixels at a PPI of 326 pixels per inch. Apple iPhone 4 price in India starts from Rs. 15,990.

It comes with 512MB of RAM. The phone packs 8GB of internal storage cannot be expanded. As far as the cameras are concerned, the Apple iPhone 4 packs a 5-megapixel primary camera on the rear and a 0.3-megapixel front shooter for selfies.

The Apple iPhone 4 runs iOS 6.1.3 and is powered by a 1420mAh non removable battery. It measures 115.20 x 59.00 x 9.30 (height x width x thickness) and weigh 137.00 grams.

The Apple iPhone 4 is a single SIM (GSM) smartphone that accepts a Micro-SIM. Connectivity options include Wi-Fi, GPS, Bluetooth and 3G. Sensors on the phone include Compass Magnetometer, Proximity sensor, Accelerometer, Ambient light sensor and Gyroscope.