Product
Xiaomi Redmi Note 4G
Xiaomi Redmi Note 4G
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Apple iPhone 4s
Apple iPhone 4s
₹19,045
Battery
Music play Up to 60 h -
Stand-by Up to 775 h (3G) Up to 200 h (3G)
Talk time Up to 38 h (3G) Up to 8 h (3G)
Type Li-Po 3100 mAh, removable Li-Po 1432 mAh, non-removable (5.3 Wh)
Body
Build - Glass front (Corning-made glass), glass back, stainless steel frame
Dimensions 154 x 78.7 x 9.5 mm (6.06 x 3.10 x 0.37 in) 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
SIM Mini-SIM Micro-SIM
Weight 185 g (6.53 oz) 140 g (4.94 oz)
  - Scratch-resistant glass back panel
Comms
Bluetooth 4.0, A2DP, LE 4.0, A2DP, LE
NFC No -
Positioning GPS, GLONASS, BDS GPS, A-GPS, GLONASS
Radio FM radio No
USB microUSB 2.0, OTG 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, hotspot
Display
Protection - Corning Gorilla Glass, oleophobic coating
Resolution 720 x 1280 pixels, 16:9 ratio (~267 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 5.5 inches, 83.4 cm2 (~68.8% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2014, August. Released 2014, August 2011, October 04. Released 2011, October 14
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR LED flash, panorama, HDR
Single 13 MP, f/2.2, 28mm (wide), AF 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 8GB 2GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
  eMMC 4.5 -
Misc
Colors Black/White Black, White
Models - A1431, A1387, iPhone4,1
SAR - 1.18 W/kg (head)     0.98 W/kg (body)    
SAR EU - 0.99 W/kg (head)     0.99 W/kg (body)    
Network
2G bands GSM 900 / 1800 - India GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 900 / 2100 - India HSDPA 850 / 900 / 1900 / 2100
4G bands 3, 40 - India -
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 14.4/5.76 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO
  1, 2, 3, 4, 7 - Malaysia, Singapore CDMA2000 1xEV-DO
Platform
Chipset Qualcomm MSM8928 Snapdragon 400 (28 nm) Apple A5 (45 nm)
CPU Quad-core 1.6 GHz Cortex-A7 Dual-core 1.0 GHz Cortex-A9
GPU Adreno 305 PowerVR SGX543MP2
OS Android 4.2 (Jelly Bean), upgradable to 4.4.2 (KitKat), MIUI 5 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Single 5 MP VGA, videocalling over Wi-Fi and 3G
Video 720p 480p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
Tests
Audio quality - Noise -91.2dB / Crosstalk -93.0dB
Battery (old) - Endurance rating 45h
Camera - Photo / Video
Display - Contrast ratio: 1261:1 (nominal) / 2.269:1 (sunlight)
Loudspeaker - Voice 65dB / Noise 64dB / Ring 74dB
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