Phone Comparison - Apple iPhone 3G vs Lenovo S820 vs Asus PadFone Infinity 2

general General Info

Manufacturer Apple Lenovo Asus
Announced June 2008 May 2013 September 2013
Status Discontinued Available - May 2013 Available - October 2013
Colors Black(8/16 GB), White (16 GB) Flamingo red Titanium Black, Platinum White
Form Factor Candybar Candybar Candybar
Dimension 115.5 x 62.1 x 12.3 mm
(4.55 x 2.44 x 0.48 in)
139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
143.5 x 72.8 x 8.9 mm
(5.65 x 2.87 x 0.35 in)
Weight 133 g (4.69 oz) 143 g (5.04 oz) 145 g (5.11 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - - LTE 800 / 1800 / 2600
Messaging SMS, MMS SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS iPhone OS, upgradable to iOS 4 Android OS, v4.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
Processor 412 MHz ARM 11 Quad-core 1.2 GHz, MTK 6589W Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800
GPU PowerVR MBX PowerVR SGX544 Adreno 330
RAM 128 MB 1 GB 2 GB
Internal Memory 8 GB/ 16 GB storage 4 GB 16/32 GB
External Memory No microSD, up to 32 GB microSD, up to 64 GB

display Display

Type TFT capacitive touchscreen IPS LCD capacitive touchscreen Super IPS+ LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.5 inches 4.7 inches 5.0 inches
Resolution 320 x 480 pixels (165 ppi) 720 x 1280 pixels (312 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 50.75% 62.82% 65.85%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio; built-in antenna FM radio
Games Yes Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 2 MP, 1600x1200 pixels 12 MP, 4000 x 3000 pixels 13 MP, 4128 x 3096 pixels
Flash No LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection
Video No Yes Yes, 1080p@30fps
Front Camera No [Similar] Yes, 2 MP [Similar] Yes, 2 MP, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Class 10 (4+1/3+2 slots), 32 - 48 kbps
Edge Yes Yes Class 10, 236.8 kbps
3G HSDPA HSDPA, HSUPA DC-HSPA+, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v2.0 with A2DP, headset support only Yes, v3.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11b/g Wi-Fi 802.11 a/b/g/n, dual band Wi-Fi 802.11 a/ac/b/g/n, Wi-Fi Direct, dual-band, Wi-Fi hotspot
USB Yes, v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0 (MHL), USB Host
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support and GLONASS
Browser HTML (Safari) HTML HTML5

memory User Memory

Internal 8 GB/ 16 GB storage, 128 MB RAM 4 GB, 1 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage No microSD, up to 32 GB microSD, up to 64 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 not supported NFC supported

battery Battery

Type Standard battery, Li-Ion Li-Po Battery Non-removable Li-Po Battery
Capacity 2000 mAh 2400 mAh
Stand by Up to 300 h Up to 140 h (2G)
Up to 140 h (3G)
Up to 410 h (3G)
Talk Time Up to 10 h Up to 22 h (2G)
Up to 10 h (3G)
Up to 19 h (3G)