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T-Mobile Sidekick 4G (SGH-T839) vs Sony Xperia Miro (ST23i)

Side by side comparison between T-Mobile Sidekick 4G vs Sony Xperia miro phones, differences, pros, cons and full specifications. What's the better?

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Compare Sony Xperia miro X T-Mobile Sidekick 4G (SGH-T839) 08Points
T-Mobile Sidekick 4G (SGH-T839)
Specifications Compare Models Pictures
3.5"
TFT

480x800

3.1
MP

0.3mp

512MB
RAM

Single-core

1500
mAh

(Removable)

vs
11Points Sony Xperia Miro (ST23i) Compare T-Mobile Sidekick 4G X
Sony Xperia Miro (ST23i)
Specifications Compare Models Pictures
3.5"
LED

320x480

5
MP

0.3mp

512MB
RAM

Single-core

1500
mAh

(Non removable)

What's the better phone? Sony Xperia Miro (ST23i)

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!

Sidekick 4G (SGH-T839)} 8 Advantages T-Mobile Sidekick 4G (SGH-T839) vs Xperia Miro (ST23i)} 11 Advantages Sony Xperia Miro (ST23i)
+1GHz 32bit Single-core1%
More powerful processor, you can open your applications faster		vs800MHz 32bit Single-core
+480x800 pixels150%
Higher resolution screen		vs320x480 pixels
+267 PPI62%
Crisper display of text, images and videos because it has more pixels per inch (ppi)		vs165 PPI
+VGA (720x480)13%
More image quality for recording videos with the primary camera		vsVGA (640x480)
+3G+ HSPA+Advantage
The 3G+ HSPA+ network is newer and faster		vs3G HSUPA
+(3G+ HSPA+) 21 Mbps192%
Faster for surfing the internet and download files		vs(3G HSUPA) 7.2 Mbps
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily		vsLi-Ion: lithium-ion (Non removable)
+3.0 + A2DPAdvantage
Bluetooth 3.0 + A2DP is newer and faster		vs2.1 + A2DP
1GB (350MB available)vs+4GB (2.2GB available)5 times
More internal storage for applications and files
162 grams (5.67 ounces)vs+110 grams (3.85 ounces)47%
Lighter
15 millimeters (0.59 inches)vs+9.9 millimeters (0.39 inches)52%
Thinner
TFT LCDvs+TFT LED-Backlit LCDAdvantage
TFT LED-Backlit LCD display is brighter and more vivid
(back) 3.1MPvs+(back) 5MP60%
Higher resolution main camera
Not supportedvs+LED flashAdvantage
The LED flash helps in dark places or in low light
Android 2.2.1 Froyovs+Android 4.0.4 Ice Cream Sandwich ICSAdvantage
Android 4.0.4 Ice Cream Sandwich ICS is newer and safer
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
HTML, XHTML, Flash playervs+HTML, XHTML, HTML5, Flash playerAdvantage
Better sites viewing on the internet
Not supportedvs+Scratch-resistant glassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
20 Common items in both devices
512MB / 512MB LPDDR
Until 32GB microSD, microSDHC
16 million
3.5"
Only digital zoom
Autofocus
(front) 0.3MP
+13 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

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
Change model 
ModelSidekick 4G (SGH-T839)Xperia Miro (ST23i)
Other model namesT-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4GXperia miro ST23, ST23i, Sony Mesona
Country or region availableUSA
USA		(Global, International)
(Global, International)
BrandT-MobileSony
Release date4/20/20119/1/2012, Announced: 6/29/2012
Depth15 millimeters (0.59 inches)9.9 millimeters (0.39 inches)
Size (width x height)61 x 127 millimeters (2.4 x 5 in)59.4 x 113 millimeters (2.34 x 4.45 in)
Weight162 grams (5.67 ounces)110 grams (3.85 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
Display typeTFT LCDTFT LED-Backlit LCD
Screen size3.5" inches3.5" inches
Screen-to-body ratio~45% (screen-to-body ratio)~54.3% (screen-to-body ratio)
Display resolution480x800 pixels320x480 pixels (3:2)
TouchscreenCapacitive MultitouchCapacitive Multitouch 2-points
Pixel density (dot pitch)267 PPI165 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedScratch-resistant glass
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredAnti-reflective coating screen

🤖 Operating System

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
System versionAndroid 2.2.1 FroyoAndroid 4.0.3 Ice Cream Sandwich ICS
Firmware updatefeature not registeredAndroid 4.0.4 Ice Cream Sandwich ICS
User Interfacefeature not registeredfeature not registered

⚙️ Processor

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
Chipset32bit: Samsung Exynos 332bit: Qualcomm Snapdragon S1 MSM7225A
CPUSingle-core, 1 processor:
1x 1GHz ARM Cortex-A8 (Single-core)		Single-core, 1 processor:
1x 800MHz ARM Cortex-A5 (Single-core)
GPU graphical controllerPowerVR SGX540Qualcomm Adreno 200
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
RAM memory512MB512MB LPDDR
Internal storage1GB (350MB available)4GB (2.2GB available)
External storageUntil 32GB microSD, microSDHC
(dedicated slot)		Until 32GB microSD, microSDHC
(dedicated slot)

📶 Mobile networks

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)		1 slot (Single-SIM)
Standard mini-SIM (2FF)
Maximum Download / Upload21/5.76 Mbps7.2/5.76 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 1700/2100UMTS 900/2100
Primary 4G networkNot supportedNot supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, 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

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
Back camera (main camera)3.1 megapixels5 megapixels
Main camera resolution2048x1536 pixels2592x1944 pixels
Video recording (primary)VGA (720x480) 30 fpsVGA (640x480) 30 fps
FlashNot supportedLED 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
AutofocusAutofocusAutofocus
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

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
Front camera (secondary)0.3 megapixels0.3 megapixels
Front camera resolution640x480 pixels640x480 pixels
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

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
LoudspeakerSupportedMono sound (not stereo)
Sony xLOUD
Active noise cancellationfeature not registeredNot supported
RadioNot supportedFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.263, H.264
Audio formatsMP3, WAV, eAAC+MP3, eAAC+, WAV

🔌 Connectivity

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
USBMicroUSB 2.0MicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth3.0 + A2DP2.1 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 b/g/n [wifi4] (2.4GHz)
WiFi hotspot
DLNAfeature not registeredSupported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging
NFCNot supportedNot supported
Infrared portfeature not registeredNot supported

🧭 Sensors

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
SensorsAccelerometer
Ambient light sensor
Proximity sensor		Accelerometer
Ambient light sensor
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Non removable)
BA700
Battery capacity1500 mAh1500 mAh
Charger, wattsWired charging5W Wired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy6.5 hours6 hours
Standby456 hours (19 days)545 hours (22.7 days)

➕ Other features

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
Call controlVoice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, Flash playerHTML, XHTML, HTML5, Flash player
AntennaInternal antennaInternal antenna
Qwerty physical keyboardRetractable QWERTY keyboardNot supported
Miscellaneous• Colors: Matte black, Pearl magenta
• 2GB microSD included
• Samsung TouchWiz UI
• Optical trackpad
• HAC M3/T3
• T-Mobile TV
• DLNA
• WiFi hotspot
Java framework		• Colors: Black, Pink, White with silver, White with gold
Java framework

☢️ Radiation rate

T-Mobile Sidekick 4G (SGH-T839)Sony Xperia Miro (ST23i)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered1.25W/kg (head), 0.91W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.87W/kg (head)
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