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Oppo R811 Real

Oppo R821T FInd Muse

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

Launch
Announced	2012, October. Released 2012, December	2013. Released 2013
Status	Discontinued	Discontinued

Body
Dimensions	115.2 x 61.5 x 10.9 mm (4.54 x 2.42 x 0.43 in)	123 x 63.5 x 9.9 mm (4.84 x 2.5 x 0.39 in)
Weight	119 g (4.20 oz)	-
SIM	Dual SIM (Mini-SIM, dual stand-by)	Dual SIM (Mini-SIM, dual stand-by)

Display
Type	TFT	IPS LCD
Size	3.5 inches, 36.5 cm2 (~51.5% screen-to-body ratio)	4.0 inches, 45.5 cm2 (~58.3% screen-to-body ratio)
Resolution	320 x 480 pixels, 3:2 ratio (~165 ppi density)	480 x 800 pixels, 5:3 ratio (~233 ppi density)

Platform
OS	Android 4.0.4 (Ice Cream Sandwich)	Android 4.2 (Jelly Bean)
Chipset	Mediatek MT6515	Mediatek MT6572 (28 nm)
CPU	1.0 GHz Cortex-A9	Dual-core 1.2 GHz Cortex-A7
GPU	PowerVR SGX531	Mali-400

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

Main Camera
Modules	3.15 MP, AF	3.15 MP
Video	Yes	Yes

Selfie Camera
Modules	Yes	VGA
Video

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes

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

Features
Sensors	Accelerometer, proximity	Accelerometer, proximity

Battery
Type	Li-Ion 1520 mAh, removable	Li-Ion 1700 mAh, removable
Stand-by	Up to 250 h
Talk time	Up to 10 h

Misc
Colors	White	White
Price	About 150 EUR	About 290 EUR