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Model 1 Model 2

Specifications

Model Name Lenovo A1900 Dual SIM Samsung GT-S7278U Galaxy Ace 3 Duos TD
Photo Lenovo A1900 Dual SIM Samsung GT-S7278U Galaxy Ace 3 Duos TD
Release date 2015 April 2013 November
Predecessor
Dimensions 62 x 121 x 9.5 millimetres 62.7 x 121.2 x 10.55 millimetres
Width 62
Width Lenovo A1900 Dual SIM is less than Samsung GT-S7278U Galaxy Ace 3 Duos TD
62.7
Width Samsung GT-S7278U Galaxy Ace 3 Duos TD more than the Lenovo A1900 Dual SIM
Thickness 9.5
Case thickness Lenovo A1900 Dual SIM is less than the Samsung GT-S7278U Galaxy Ace 3 Duos TD
10.55
Case thickness Samsung GT-S7278U Galaxy Ace 3 Duos TD more than the Lenovo A1900 Dual SIM
Height 121
The height Lenovo A1900 Dual SIM is less than Samsung GT-S7278U Galaxy Ace 3 Duos TD
121.2
Height Samsung GT-S7278U Galaxy Ace 3 Duos TD more than the Lenovo A1900 Dual SIM
Operating System Google Android 4.4.2 Vibe UI Google Android 4.1.2 Chinese
CPU Spreadtrum SC7730A
CPU Clock 1200 MHz
Lenovo A1900 Dual SIM Processor frequency higher than Samsung GT-S7278U Galaxy Ace 3 Duos TD
1000 MHz
Samsung GT-S7278U Galaxy Ace 3 Duos TD Processor frequency lower than Lenovo A1900 Dual SIM
Capacity RAM 512 MiB
RAM Lenovo A1900 Dual SIM more than the Samsung GT-S7278U Galaxy Ace 3 Duos TD
256 MiB
RAM Samsung GT-S7278U Galaxy Ace 3 Duos TD is less than the Lenovo A1900 Dual SIM
Capacity ROM 3.7 GiB
Built-in Memory Lenovo A1900 Dual SIM more than the Samsung GT-S7278U Galaxy Ace 3 Duos TD
Built-in memory Samsung GT-S7278U Galaxy Ace 3 Duos TD is less than the Lenovo A1900 Dual SIM
Weight 117 grams (battery included)
Lenovo A1900 Dual SIM weight lighter than Samsung GT-S7278U Galaxy Ace 3 Duos TD
121 grams (battery included)
Samsung GT-S7278U Galaxy Ace 3 Duos TD weight more than Lenovo A1900 Dual SIM
Resolution display width 480 480
Resolution display height 800 800
Diagonal display 4 4
Display model Supported CSTN , 262144 scales
Microphone mono mono
Loudspeaker mono mono
Audio output 3.5mm 3.5mm
Cellular Networks GSM850, GSM900, GSM1800, GSM1900, UMTS2100 (B1), TD-LTE1900 (B39) GSM900, GSM1800, GSM1900, TD-SCDMA2000, TD-SCDMA1900
Cellular Data Links GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ GPRS, EDGE, TD-SCDMA, TD-HSDPA
2 Cellular Networks
Vibrating Yes Yes
Speakerphone Yes Yes
TouchScreen Multi-touch screen Multi-touch screen
Keyboard Not supported Not supported
Pad Not supported Not supported
Scrolling wheel Not supported Not supported
Memory slots microSD, microSDHC, TransFlash microSD, microSDHC, TransFlash
USB USB 2.0 client, 480Mbit/s, micro-USB USB 2.0 client, 480Mbit/s, micro-USB
Bluetooth Bluetooth 4.0 Bluetooth 4.0
Wi-Fi 802.11b, 802.11g, 802.11n 802.11b, 802.11g, 802.11n
Infrared gate Not supported Not supported
Analog radio FM radio (88-108 MHz) FM radio (88-108 MHz) with RDS
Digital Media Not supported Not supported
GPS module Supported Supported
GPS services Assisted GPS, QuickGPS, Geotagging Assisted GPS, QuickGPS, Geotagging, Simultaneous GPS (S-GPS)
Primary camera 1.9 MP 3.1 MP
Secondary camera
Autofocus No No
Optical zoom 1 x 1 x
Macro No No
Flash
Accelerometer Yes Yes
Protection level
Battery removable removable
Battery capacity 1500 1500



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