Phone Comparison - Lenovo A390 vs Karbonn Titanium S1 Plus vs Xiaomi Redmi 1S

general General Info

Manufacturer Lenovo Karbonn Xiaomi
Announced April 2013 April 2014 May 2014
Status Available - April 2013 Available - April 2014 Available - May 2014
Colors Black, White White, Black Black, Chinese Red, Metallic Gray/ blue, green, yellow panels
Form Factor Candybar Candybar Candybar
Dimension 125.6 x 64 x 10.1 mm
(4.94 x 2.52 x 0.4 in)
123.9 x 63.7 x 10.9 mm
(4.88 x 2.51 x 0.43 in)
137 x 69 x 9.9 mm
(5.39 x 2.72 x 0.39 in)
Weight 131 g (4.62 oz) 127 g (4.48 oz) 158 g (5.57 oz)
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 2100 HSDPA 1900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.3 (Jelly Bean), upgradable to v4.4 (KitKat) Android OS, v4.3 (Jelly Bean)
Processor Dual-core 1 GHz, MTK 6577 Quad-core 1.2 GHz, Qualcomm Snapdragon 200 MSM8210 Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8228 Snapdragon
GPU PowerVR SGX531 Adreno 302 Adreno 305
RAM 512 MB 1 GB 1 GB
Internal Memory 4 GB 4 GB ROM 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type Capacitive touchscreen TFT Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2
Colors - 16M colors 16M colors
Size 4.0 inches 4.0 inches 4.7 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 56.77% 57.82% 64.61%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM Radio with Recording FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 5 MP, 2592х1944 pixels 8 MP, 3264 x 2448 pixels
Flash No LED flash LED flash
Features Geo-tagging Fixed focus, Geo-tagging, Touch Focus, Face Detection, BSI Sensor Auto focus, 1.4 µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes Yes, 720p 1080p@30fps
Front Camera No [Similar] Yes, VGA [Similar] 1.3 MP, 720p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, HSUPA HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, HSUPA
Bluetooth Yes Yes, v4.0 with A2DP, LE v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 4 GB, 512 MB RAM 4 GB ROM, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB
USB OTG - Supported 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 not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Po Battery
Capacity 1500 mAh 1500 mAh 2000 mAh
Stand by Up to 220 h (2G)
Up to 180 h (3G)
- -
Talk Time Up to 14 h (2G)
Up to 9 h (3G)
- -