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Lenovo A690

Panasonic T31

Network
Technology	GSM / HSPA	GSM / HSPA
2G bands	GSM 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network	HSDPA 2100	HSDPA 850 / 1900 / 2100
Speed	HSPA	HSPA 21.1/5.76 Mbps

Launch
Announced	2013, January. Released 2013, January	2013, October. Released 2013, October
Status	Discontinued	Discontinued

Body
Dimensions	124 x 65 x 11 mm (4.88 x 2.56 x 0.43 in)	122 x 64.4 x 11.2 mm (4.80 x 2.54 x 0.44 in)
Weight	134 g (4.73 oz)	120 g (4.23 oz)
SIM	Dual SIM (Mini-SIM)	Dual SIM (Mini-SIM, dual stand-by)

Display
Type	TFT	TFT
Size	4.0 inches, 45.5 cm2 (~56.5% screen-to-body ratio)	4.0 inches, 45.5 cm2 (~58.0% screen-to-body ratio)
Resolution	480 x 800 pixels, 5:3 ratio (~233 ppi density)	480 x 800 pixels, 5:3 ratio (~233 ppi density)

Platform
OS	Android 2.3.6 (Gingerbread)	Android 4.2.2 (Jelly Bean)
Chipset	Mediatek MT6575 (40 nm)	Mediatek MT6572M (28 nm)
CPU	1.0 GHz Cortex-A9	Dual-core 1.3 GHz Cortex-A7
GPU	PowerVR SGX531	Mali-400

Memory
Card slot	microSDHC (dedicated slot)	microSDHC (dedicated slot)
Internal	512MB RAM, 512MB	4GB 512MB RAM

Main Camera
Modules	3.15 MP	3.15 MP
Features		HDR
Video	480p	720p@24fps

Selfie Camera
Modules	No	VGA
Video

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes

Comms
WLAN	Wi-Fi 802.11 b/g/n, hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth	Yes	4.0, A2DP
Positioning	GPS	GPS
NFC	No	No
Infrared port	No	No
Radio	FM radio	FM radio
USB	microUSB 2.0	microUSB 2.0

Features
Sensors	Accelerometer, proximity	Accelerometer, proximity

Battery
Type	Li-Ion 1500 mAh, removable	Li-Ion 1300 mAh, removable
Stand-by		Up to 510 h (2G) / Up to 400 h (3G)
Talk time		Up to 3 h 30 min (2G) / Up to 9 h 30 min (3G)

Misc
Colors	Black	Pure White, Bluish Black
SAR EU	0.25 W/kg (head)	0.85 W/kg (head)     1.18 W/kg (body)
Price	About 90 EUR	About 70 EUR