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Vodafone Chat 655 vs Sony Xperia U (ST25a)

Side by side comparison between Vodafone Chat 655 vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?

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Compare Sony Xperia U X Vodafone Chat 655 03Points
Vodafone Chat 655
Specifications Compare Models Pictures
2.4"
TFT

320x240

2
MP
N/A
N/A
vs
18Points Sony Xperia U (ST25a) Compare Vodafone Chat 655 X
Sony Xperia U (ST25a)
Specifications Compare Models Pictures
3.5"
LED

480x854

5
MP

0.3mp

512MB
RAM

Dual-core

1320
mAh

(Removable)

What's the better phone? Sony Xperia U (ST25a)

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!

Chat 655} 3 Advantages Vodafone Chat 655 vs Xperia U (ST25a)} 18 Advantages Sony Xperia U (ST25a)
+Until 16GB microSD, microSDHCAdvantage
More external storage for files using memory cards		vsNot supported
+104 grams (3.64 ounces)6%
Lighter		vs110 grams (3.85 ounces)
+11 millimeters (0.43 inches)9%
Thinner		vs12 millimeters (0.47 inches)
64MBvs+8GB (4GB available)63 times
More internal storage for applications and files
TFT LCDvs+TFT LED-Backlit LCDAdvantage
TFT LED-Backlit LCD display is brighter and more vivid
260 thousandvs+16 million61 times
More colors on the screen is better quality images and videos
320x240 pixelsvs+480x854 pixels4 times
Higher resolution screen
167 PPIvs+280 PPI68%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
2.4"vs+3.5"46%
Larger screen
(back) 2MPvs+(back) 5MP162%
Higher resolution main camera
Not supportedvs+AutofocusAdvantage
Best autofocus type for taking pictures
Not supportedvs+(front) 0.3MPAdvantage
A front-camera is best for taking selfies
QVGA (320x240)vs+HD (1280x720)11 times
More image quality for recording videos with the primary camera
10 appsvs+3500000 apps (Google Play Store)349999 times
More apps available to download and use
3G HSDPAvs+3G HSUPAAdvantage
The 3G HSUPA network is newer and faster
(3G HSDPA) 3.6 Mbpsvs+(3G HSUPA) 14.4 Mbps3 times
Faster for surfing the internet and download files
Not supportedvs+Capacitive MultitouchAdvantage
The touch screen facilitates the use of the device
Not supportedvs+Accelerometer, Compass, Ambient light sensor, Proximity sensorAdvantage
Sensors help you use the device
Not supportedvs+Video callingAdvantage
The video calling allows to make calls with voice and video
802.11 b/g [wifi3]vs+802.11 b/g/n [wifi4]Advantage
WiFi 802.11 b/g/n [wifi4] is newer and faster
Not supportedvs+Scratch-resistant glassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
11 Common items in both devices
LED flash
Only digital zoom
Li-Ion: lithium-ion (Removable)
Hands-free calling
Vibrating alert
3.5mm jack
FM (RDS)
+4 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

Vodafone Chat 655Sony Xperia U (ST25a)
Change model 
ModelChat 655Xperia U (ST25a)
Other model namesAlcatel Chat OT-655, Vodafone Chat 655W 3GSony Xperia U ST25, Sony Kumquat
Country or region availablefeature not registered(Latin America)BrazilCanadaUSA
(Latin America), Brazil, Canada, USA
BrandVodafoneSony
Release date2/1/20135/7/2012
Depth11 millimeters (0.43 inches)12 millimeters (0.47 inches)
Size (width x height)61.1 x 112 millimeters (2.41 x 4.41 in)54 x 112 millimeters (2.13 x 4.41 in)
Weight104 grams (3.64 ounces)110 grams (3.85 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Vodafone Chat 655Sony Xperia U (ST25a)
Display typeTFT LCDTFT LED-Backlit LCD
Screen size2.4" inches3.5" inches
Screen-to-body ratio~26.1% (screen-to-body ratio)~55.8% (screen-to-body ratio)
Display resolution320x240 pixels480x854 pixels (16:9)
TouchscreenNot supportedCapacitive Multitouch 4-points
Pixel density (dot pitch)167 PPI280 PPI
Colors260 thousand16 million
Scratch-resistant glassNot supportedScratch-resistant glass
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Vodafone Chat 655Sony Xperia U (ST25a)
System versionProprietary OSAndroid 2.3.7 Gingerbread
Firmware updatefeature not registeredAndroid 4.0.4 Ice Cream Sandwich ICS
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Vodafone Chat 655Sony Xperia U (ST25a)
Chipset32bit32bit: ST-Ericsson NovaThor U8500 (45nm)
CPUSingle-core, 1 processor:
Single-core		Dual-core, 1 processor:
2x 1GHz ARM Cortex-A9 (Dual-core)
GPU graphical controllerfeature not registeredARM Mali-400 MP1
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Vodafone Chat 655Sony Xperia U (ST25a)
RAM memoryfeature not registered512MB LPDDR2
Internal storage64MB8GB (4GB available)
External storageUntil 16GB microSD, microSDHC
(dedicated slot)		Not supported

📶 Mobile networks

Vodafone Chat 655Sony Xperia U (ST25a)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)		1 slot (Single-SIM)
Standard mini-SIM (2FF)
Maximum Download / Upload3.6 Mbps14.4/5.76 Mbps
Network technology2G, 3G2G, 3G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 2100UMTS 850/1900/2100
Primary 4G networkNot supportedNot supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPAGPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Vodafone Chat 655Sony Xperia U (ST25a)
Back camera (main camera)2 megapixels5 megapixels
Main camera resolution1600x1200 pixels2592x1944 pixels
Video recording (primary)QVGA (320x240)HD (1280x720) 30 fps
FlashLED flashLED flash
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 supportedAutofocus
Touch focusfeature not registeredSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionfeature not registeredFace detection, Smile detection
BSI sensorfeature not registeredNot supported
HDRfeature not registeredNot supported
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Vodafone Chat 655Sony Xperia U (ST25a)
Front camera (secondary)Not supported0.3 megapixels
Front camera resolutionNot supported640x480 pixels
Video recording (secondary)Not supportedVGA (640x480)
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

Vodafone Chat 655Sony Xperia U (ST25a)
LoudspeakerSupportedSupported
Active noise cancellationfeature not registered2 microphones or more
RadioFM (RDS)FM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.263MP4, H.263, H.264, WMV
Audio formatsMP3, WAV, WMA, AAC+MP3, eAAC+, WMA, WAV

🔌 Connectivity

Vodafone Chat 655Sony Xperia U (ST25a)
USBMicroUSB 2.0MicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth2.1 + A2DP2.1 + A2DP
WiFi802.11 b/g [wifi3] (2.4GHz)802.11 b/g/n [wifi4] (2.4GHz)
DLNAfeature not registeredSupported
GPSA-GPSA-GPS, GeoTagging
NFCNot supportedNot supported
Infrared portfeature not registeredNot supported

🧭 Sensors

Vodafone Chat 655Sony Xperia U (ST25a)
SensorsNot supportedAccelerometer
Ambient light sensor
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Vodafone Chat 655Sony Xperia U (ST25a)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Removable)
BA600
Battery capacityfeature not registered1320 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy5 hours5.6 hours
Standby509 hours (21.2 days)472 hours (19.7 days)

➕ Other features

Vodafone Chat 655Sony Xperia U (ST25a)
Call controlVoice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTMLHTML, XHTML, Flash player
AntennaInternal antennaInternal antenna
Qwerty physical keyboardFixed QWERTY keyboardNot supported
Miscellaneous• Colors: Gray
• Facebook, Twitter
Java framework		• Colors: Black, White
• Exchangeable bottom caps: White, Black, Pink, Yellow
• Sony Reality Display
• Sony Mobile BRAVIA Engine
• xLoud
• 3D surround sound
• WiFi hotspot
Java framework

☢️ Radiation rate

Vodafone Chat 655Sony Xperia U (ST25a)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered1.09W/kg (head), 0.93W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered1.62W/kg (head)
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