Product
Xiaomi Mi 4
Xiaomi Mi 4
₹14,999
Apple iPhone 4s
Apple iPhone 4s
₹19,045
Battery
Charging 18W wired, QC2 -
Stand-by Up to 280 h (3G) Up to 200 h (3G)
Talk time - Up to 8 h (3G)
Type Li-Ion 3080 mAh, non-removable Li-Po 1432 mAh, non-removable (5.3 Wh)
Body
Build Glass front, plastic back, aluminum frame Glass front (Corning-made glass), glass back, stainless steel frame
Dimensions 139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in) 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
SIM Micro-SIM Micro-SIM
Weight 149 g (5.26 oz) 140 g (4.94 oz)
  - Scratch-resistant glass back panel
Comms
Bluetooth 4.0, A2DP 4.0, A2DP, LE
Infrared port Yes -
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, DLNA, hotspot Wi-Fi 802.11 b/g/n, hotspot
Display
Protection - Corning Gorilla Glass, oleophobic coating
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 5.0 inches, 68.9 cm2 (~72.3% 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, barometer Accelerometer, gyro, proximity, compass
Launch
Announced 2014, July. Released 2014, August 2011, October 04. Released 2011, October 14
Status Discontinued Discontinued
Main Camera
Features LED flash, panorama, HDR LED flash, panorama, HDR
Single 13 MP, f/1.8, 1/3.1", 1.12µm, AF 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
Video 4K@30fps, 1080p@30fps, 720p@120fps, HDR 1080p@30fps
Memory
Card slot No No
Internal 16GB 2GB RAM, 64GB 3GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
  eMMC 5.0 -
Misc
Colors Black, White Black, White
Models 2014215 A1431, A1387, iPhone4,1
SAR 0.71 W/kg (head)     0.85 W/kg (body)     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 850 / 900 / 1800 / 1900 - all versions GSM 850 / 900 / 1800 / 1900
3G bands TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100
4G bands 38, 39, 40 - 4G model -
EDGE Yes -
GPRS Yes -
Speed HSPA, LTE, EV-DO Rev.A 3.1 Mbps HSPA 14.4/5.76 Mbps
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / CDMA / HSPA / EVDO
  CDMA2000 1xEV-DO - Telecom 3G model CDMA2000 1xEV-DO
Our Tests
Audio quality Noise -91.6dB / Crosstalk -49.7dB -
Battery (old) Endurance rating 68h -
Camera Photo / Video -
Display Contrast ratio: 929 (nominal), 2.424 (sunlight) -
Loudspeaker Voice 62dB / Noise 62dB / Ring 66dB -
Platform
Chipset Qualcomm MSM8974AC Snapdragon 801 (28 nm) Apple A5 (45 nm)
CPU Quad-core 2.5 GHz Krait 400 Dual-core 1.0 GHz Cortex-A9
GPU Adreno 330 PowerVR SGX543MP2
OS Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Single 8 MP, f/1.8 VGA, videocalling over Wi-Fi and 3G
Video 1080p@30fps 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
Offers No offers available No offers available