Phone Comparison - Apple iPhone 4 vs Xiaomi Mi 4 vs HTC Desire 820

general General Info

Manufacturer Apple Xiaomi HTC
Announced June 2010 July 2014 September 2014
Status Available - June 2010 Available - Q3 2014 Coming Soon - September 2014
Colors Black, White Black, White Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang
Form Factor Candybar Candybar Candybar
Dimension 115.2 x 58.6 x 9.3 mm
(4.54 x 2.31 x 0.37 in)
139.2 x 68.5 x 8.9 mm
(5.48 x 2.7 x 0.35 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
Weight 137 g (4.83 oz) 149 g (5.26 oz) 155 g (5.47 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
4G Network - LTE LTE 900 / 1800 / 2100 / 2600 - EMEA version
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS iOS 4, upgradable to iOS 5 Android OS, v4.4.3 (KitKat) Android OS, v4.4.2 (KitKat)
Processor 1 GHz Cortex-A8, Apple A4 Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU PowerVR SGX535 Adreno 330 Adreno 405
RAM 512 MB 3 GB 2 GB
Internal Memory 8/16/32 GB storage 16/64 GB 16 GB
External Memory No No microSD, up to 128 GB

display Display

Type LED-backlit IPS TFT, capacitive touchscreen IPS LCD capacitive touchscreen LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.5 inches 5.0 inches 5.5 inches
Resolution 640 x 960 pixels (330 ppi) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 53.92% 72.14% 67.20%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio No
Games Yes + downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash Dual-LED Flash LED flash
Features Auto focus, Touch Focus, Geo-tagging, HDR Auto focus, 1/3' Sensor Size, 1.12┬Ám Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR
Video Yes, 720p@30fps, LED video light, geo-tagging 2160p, 1080p@30fps, HDR 1080p@30fps, 720p@60fps
Front Camera Yes, videocalling over Wi-Fi only [Similar] 8 MP, 1080p@30fps [Similar] 8 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps Yes Yes
Edge Class 10, 236.8 kbps Yes Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v2.1 with A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot
USB Yes, v2.0 microUSB v2.0 (MHL), USB On-the-go microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML (Safari) HTML5 HTML5

memory User Memory

Internal 8/16/32 GB storage, 512 MB RAM 16/64 GB, 3 GB RAM 16 GB, 2 GB RAM
Expandable Storage No No microSD, up to 128 GB
USB OTG - Supported -

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC supported NFC not supported

battery Battery

Type Standard battery, Li-Po Non-removable Li-Ion Battery Non-removable Li-Po Battery
Capacity 1420 mAh 3080 mAh 2600 mAh
Stand by Up to 300 h (2G)
Up to 300 h (3G)
- Up to 424 h (3G)
Talk Time Up to 14 h (2G)
Up to 7 h (3G)
- Up to 22 h 24 min (3G)