Samsung Galaxy Ace Duos I589 vs ZTE Grand S

General Info

Manufacturer
Samsung	ZTE
Announced
February 2012	January 2013
Status
Available - February 2012	Available - March 2013
Colors
Black	Black/Silver, Black/Red, Black/Blue, Black/White
Form Factor
Candybar	Candybar
Dimension
112.4 x 59.9 x 12.5 mm (4.43 x 2.36 x 0.49 in)	142 x 69 x 6.9 mm (5.59 x 2.72 x 0.27 in)
Weight
122 g (4.3 oz)	110 g (3.88 oz)
2G Network
CDMA 800 / 1900 GSM 900 / 1800	GSM 850 / 900 / 1800 / 1900
3G Network
CDMA2000 1xEV-DO	HSDPA
4G Network
-	LTE
Messaging
SMS, MMS	SMS, MMS, Push Mail, EMail, IM

OS
Android OS, v2.2 (Froyo)	Android OS, v4.1 (Jelly Bean)
Processor
800 MHz, Qualcomm MSM7627 [Similar]	Quad-core 1.7 GHz Krait 200, Qualcomm APQ8064 Snapdragon S4 Pro [Similar]
GPU
	Adreno 320 [Similar]
RAM
N/A	2 GB [Browse Similar]
Internal Memory
N/A	16 GB storage
External Memory
microSD, up to 32 GB	microSD, up to 32 GB

Rear Camera
3.15 MP, 2048x1536 pixels [Similar]	13 MP, autofocus [Similar]
Flash
No	LED flash
Features
Geo-tagging	Geo-tagging, Touch Focus, Face Detection
Video
Yes	Yes, 1080p@30fps
Front Camera
No [Similar]	Yes, 2 MP, 1080p@30fps [Similar]

GPRS
Yes	Yes
Edge
Yes	Yes
3G
Rev. A, up to 3.1 Mbps	HSPA+, LTE
Bluetooth
Yes, v3.0 with A2DP	Yes, v4.0 with A2DP
Wi-Fi
Wi-Fi 802.11 b/g/n, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot
USB
Yes, v2.0 microUSB	Yes, microUSB v2.0
GPS
Yes, with A-GPS support	Yes, with A-GPS support
Browser
HTML	HTML5