Skip to content

Samsung Star II Duos (GT-C6712) vs ZTE X990 (Messenger edition)

Side by side comparison between Samsung Star II Duos vs ZTE X990 phones, differences, pros, cons and full specifications. What's the better?

,
Compare ZTE X990 X Samsung Star II Duos (GT-C6712) 13Points
3.2"
TFT

240x400

3.1
MP
N/A
1200
mAh

(Removable)

vs
04Points ZTE X990 (Messenger edition) Compare Samsung Star II Duos X
2.4"
TFT

320x240

2
MP
N/A
900
mAh

(Removable)

What's the better phone? Samsung Star II Duos (GT-C6712)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Star II Duos (GT-C6712)} 13 Advantages Samsung Star II Duos (GT-C6712) vs X990 (Messenger edition)} 4 Advantages ZTE X990 (Messenger edition)
+20MB3 times
More internal storage for applications and files
vs128MB (5MB available)
+Until 16GB microSD, microSDHC100%
More external storage for files using memory cards
vsUntil 8GB microSD, microSDHC
+240x400 pixels25%
Higher resolution screen
vs320x240 pixels
+3.2"33%
Larger screen
vs2.4"
+(back) 3.1MP64%
Higher resolution main camera
vs(back) 2MP
+QVGA (320x240)2 times
More image quality for recording videos with the primary camera
vsQCIF (176x144)
+CapacitiveAdvantage
Better touchscreen. The capacitive screen is much more sensitive.
vsResistive
+Accelerometer, Proximity sensorAdvantage
Sensors help you use the device
vsNot supported
+1200 mAh33%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs900 mAh
+Video callingAdvantage
The video calling allows to make calls with voice and video
vsNot supported
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+802.11 b/g/n [wifi4]Advantage
WiFi 802.11 b/g/n [wifi4] is newer and faster
vsNot supported
+3.0 + A2DPAdvantage
Bluetooth 3.0 + A2DP is newer and faster
vs2.0 + A2DP
100 grams (3.5 ounces)vs+90 grams (3.15 ounces)11%
Lighter
12.2 millimeters (0.48 inches)vs+11.8 millimeters (0.46 inches)3%
Thinner
146 PPIvs+167 PPI14%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
10 appsvs+50 apps (Windows Mobile)4 times
More apps available to download and use

13 Common items in both devices
TFT LCD
260 thousand
Only digital zoom
2G EDGE
0.236 Mbps
Single
Li-Ion: lithium-ion (Removable)
+6 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
Change model 
ModelStar II Duos (GT-C6712)X990 (Messenger edition)
Other model namesSamsung Star 2 Duos C6712, Samsung Star Duos 2ZTE X990 Messenger edition by SFR
Country or region availablefeature not registeredfeature not registered
BrandSamsungZTE
Release date5/25/20113/1/2010
Depth12.2 millimeters (0.48 inches)11.8 millimeters (0.46 inches)
Size (width x height)56 x 109.5 millimeters (2.2 x 4.31 in)60.8 x 106.8 millimeters (2.39 x 4.2 in)
Weight100 grams (3.5 ounces)90 grams (3.15 ounces)
Build, materialsfeature not registeredfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
Display typeTFT LCDTFT LCD
Screen size3.2" inches2.4" inches
Screen-to-body ratio~47.5% (screen-to-body ratio)~27.5% (screen-to-body ratio)
Display resolution240x400 pixels320x240 pixels
TouchscreenCapacitive Single touch 1-pointResistive Single touch 1-point
Pixel density (dot pitch)146 PPI167 PPI
Colors260 thousand260 thousand
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
System versionProprietary OSWindows Mobile 6.5 Professional Titanium
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
Chipset32bitfeature not registered
CPUSingle-core, 1 processor:
Single-core
Single-core, 1 processor:
Single-core
GPU graphical controllerfeature not registeredfeature not registered
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
RAM memoryfeature not registeredfeature not registered
Internal storage20MB128MB (5MB available)
External storageUntil 16GB microSD, microSDHC
(dedicated slot)
Until 8GB microSD, microSDHC
(dedicated slot)

📶 Mobile networks

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
Standard mini-SIM (2FF)
1 slot (Single-SIM)
Standard mini-SIM (2FF)
Maximum Download / Upload0.236 Mbps0.236 Mbps
Network technology2G2G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Dual-Band 900/1800
Primary 2G networkGSM 850/900/1800/1900GSM 900/1800
Primary 3G networkNot supportedNot supported
Primary 4G networkNot supportedNot supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGEGPRS, EDGE
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported

📷 Camera

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
Back camera (main camera)3.1 megapixels2 megapixels
Main camera resolution2048x1536 pixels1600x1200 pixels
Video recording (primary)QVGA (320x240) 15 fpsQCIF (176x144)
FlashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusNot supportedNot supported
Touch focusNot supportedfeature not registered
Image stabilizationNot supportedfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionNot supportedfeature not registered
BSI sensorNot supportedfeature not registered
HDRNot supportedfeature not registered
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
Front camera (secondary)Not supportedNot supported
Front camera resolutionNot supportedNot supported
Video recording (secondary)Not supportedNot supported
Front flashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
LoudspeakerSupportedSupported
Active noise cancellationNot supportedfeature not registered
RadioFM (RDS)FM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.264, H.263, WMV
Audio formatsMP3, WAV, WMA, AAC+MP3, WAV, WMA, eAAC+

🔌 Connectivity

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth3.0 + A2DP2.0 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)Not supported
DLNANot supportedfeature not registered
GPSNot supportedNot supported
NFCNot supportedNot supported
Infrared portNot supportedfeature not registered

🧭 Sensors

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
SensorsAccelerometer
Proximity sensor
Not supported
Vibrating alertSupportedSupported

🔋 Battery

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Removable)
Battery capacity1200 mAh900 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy10 hours8 hours
Standby550 hours (22.9 days)480 hours (20 days)

➕ Other features

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
Call controlVoice recorderVoice recorder
MessagingSMS, MMS, E-mailSMS, MMS, E-mail
Hands-free callingSupportedSupported
Video callingSupportedNot supported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTMLWAP, HTML
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedFixed QWERTY keyboard
Miscellaneous• Colors: Black
• Samsung TouchWiz UI 3.0
• Dolphin 2.0 browser
• Facebook, Twitter
• Word, Excel, PowerPoint, PDF viewer
• Java framework
• Colors: Black on white, Black on silver
• Windows Live Messenger
• Word, Excel, PowerPoint, OneNote, PDF viewer
• Java framework

☢️ Radiation rate

Samsung Star II Duos (GT-C6712)ZTE X990 (Messenger edition)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

🍪 We use cookies to provide and improve our services. By using this website, you consent to cookies. Further details: Privacy policy.