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T-Mobile Sidekick 4G (SGH-T839) vs Lenovo Golden Warrior A8 (A806)

Side by side comparison between T-Mobile Sidekick 4G vs Lenovo Golden Warrior A8 phones, differences, pros, cons and full specifications. What's the better?

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Compare Lenovo Golden Warrior A8 X T-Mobile Sidekick 4G (SGH-T839) 01Point
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
19Points Lenovo Golden Warrior A8 (A806) Compare T-Mobile Sidekick 4G X
Lenovo Golden Warrior A8 (A806)
Specifications Compare Models Pictures
5"
LTPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2500
mAh

(Removable)

What's the better phone? Lenovo Golden Warrior A8 (A806)

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)} 1 Advantage T-Mobile Sidekick 4G (SGH-T839) vs Golden Warrior A8 (A806)} 19 Advantages Lenovo Golden Warrior A8 (A806)
+162 grams (5.67 ounces)11%
Lighter		vs180 grams (6.3 ounces)
1GHz 32bit Single-corevs+1.7GHz 32bit Octa-core3 times
More powerful processor, you can open your applications faster
512MBvs+2GB3 times
More RAM memory. Typically more responsive and better for multitasking.
1GB (350MB available)vs+16GB (12GB available)34 times
More internal storage for applications and files
15 millimeters (0.59 inches)vs+9 millimeters (0.35 inches)67%
Thinner
TFT LCDvs+LTPS LCDAdvantage
LTPS LCD display is brighter and more vivid
480x800 pixelsvs+720x1280 pixels140%
Higher resolution screen
267 PPIvs+294 PPI10%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.5"vs+5"43%
Larger screen
(back) 3.1MPvs+(back) 13MP3 times
Higher resolution main camera
Not supportedvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
(front) 0.3MPvs+(front) 5MP15 times
Higher resolution secondary camera to take pictures and selfies
VGA (720x480)vs+Full HD (1920x1080)5 times
More image quality for recording videos with the primary camera
Android 2.2.1 Froyovs+Android 4.4.2 KitKatAdvantage
Android 4.4.2 KitKat is newer and safer
3G+ HSPA+vs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G+ HSPA+) 21 Mbpsvs+(4G LTE-A) 150 Mbps6 times
Faster for surfing the internet and download files
1500 mAhvs+2500 mAh67%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
3.0 + A2DPvs+4.0 + A2DPAdvantage
Bluetooth 4.0 + A2DP is newer and faster
HTML, XHTML, Flash playervs+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
17 Common items in both devices
Until 32GB microSD, microSDHC
16 million
Only digital zoom
Autofocus
Capacitive
Multitouch
Accelerometer
+10 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)Lenovo Golden Warrior A8 (A806)
Change model 
ModelSidekick 4G (SGH-T839)Golden Warrior A8 (A806)
Other model namesT-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4GLenovo Golden Warrior A8 A806 for EMEA region
Country or region availableUSA
USA		(Global, International)
(Global, International)
BrandT-MobileLenovo
Release date4/20/20118/1/2014
Depth15 millimeters (0.59 inches)9 millimeters (0.35 inches)
Size (width x height)61 x 127 millimeters (2.4 x 5 in)70.8 x 140.5 millimeters (2.79 x 5.53 in)
Weight162 grams (5.67 ounces)180 grams (6.3 ounces)
Build, materialsfeature not registeredfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
Display typeTFT LCDLTPS LCD
Screen size3.5" inches5" inches
Screen-to-body ratio~45% (screen-to-body ratio)~69.3% (screen-to-body ratio)
Display resolution480x800 pixels720x1280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch 5-points
Pixel density (dot pitch)267 PPI294 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
System versionAndroid 2.2.1 FroyoAndroid 4.4.2 KitKat
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
Chipset32bit: Samsung Exynos 332bit: MediaTek MT6592M
CPUSingle-core, 1 processor:
1x 1GHz ARM Cortex-A8 (Single-core)		Octa-core, 1 processor:
8x 1.7GHz ARM Cortex-A7 (Octa-core)
GPU graphical controllerPowerVR SGX540ARM Mali-450 MP4
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
RAM memory512MB2GB
Internal storage1GB (350MB available)16GB (12GB available)
External storageUntil 32GB microSD, microSDHC
(dedicated slot)		Until 32GB microSD, microSDHC
(dedicated slot)

📶 Mobile networks

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
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 Mbps150/50 Mbps
Network technology2G, 3G2G, 3G, 4G
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 supportedLTE 1800/2100
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
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)Lenovo Golden Warrior A8 (A806)
Back camera (main camera)3.1 megapixels13 megapixels
Main camera resolution2048x1536 pixels4128x3096 pixels
Video recording (primary)VGA (720x480) 30 fpsFull HD (1920x1080) 30 fps
FlashNot supportedDual-LED flash
Focal aperturefeature not registeredf/2.2 (aperture)
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 registeredfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionfeature not registeredFace detection, Smile detection
BSI sensorfeature not registeredSupported
HDRfeature not registeredHDR photo only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
Front camera (secondary)0.3 megapixels5 megapixels
Front camera resolution640x480 pixels2592x1944 pixels
Video recording (secondary)Not supportedHD (1280x720)
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)Lenovo Golden Warrior A8 (A806)
LoudspeakerSupportedSupported
Active noise cancellationfeature not registered2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.264, H.263, MKV
Audio formatsMP3, WAV, eAAC+MP3, WAV, eAAC+

🔌 Connectivity

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth3.0 + A2DP4.0 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNAfeature not registeredNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging
NFCNot supportedNot supported
Infrared portfeature not registeredNot supported

🧭 Sensors

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
SensorsAccelerometer
Ambient light sensor
Proximity sensor		Accelerometer
Ambient light sensor
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Removable)
Battery capacity1500 mAh2500 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy6.5 hoursfeature not registered
Standby456 hours (19 days)feature not registered

➕ Other features

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
Call controlVoice recorderVoice dialing, Voice recorder
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
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, White
• Java framework

☢️ Radiation rate

T-Mobile Sidekick 4G (SGH-T839)Lenovo Golden Warrior A8 (A806)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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