T-Mobile Sidekick 4G (SGH-T839) vs Samsung Galaxy Y Duos (GT-S6102B)
Side by side comparison between T-Mobile Sidekick 4G vs Samsung Galaxy Y Duos phones, differences, pros, cons and full specifications. What's the better?
,
3.5"
TFT
TFT
480x800
3.1
MP
MP
0.3mp
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
3.14"
TFT
TFT
240x320
3.1
MP
MP
384MB
RAM
RAM
Single-core
1300
mAh
mAh
(Removable)
What's the better phone? T-Mobile Sidekick 4G (SGH-T839)
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!
15 Advantages 
6 Advantages | 17 Common items in both devices |
| Until 32GB microSD, microSDHC |
| TFT LCD |
| (back) 3.1MP |
| Only digital zoom |
| 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) | Galaxy Y Duos (GT-S6102B) | |
| Change model | ||
| Model | Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) |
| Other model names | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G | Galaxy Young Duos S6102B |
| Country or region available |  USA |   (Latin America), Brazil |
| Brand | T-Mobile | Samsung |
| Release date | 4/20/2011 | 1/1/2012, Announced: 12/17/2011 |
| Depth | 15 millimeters (0.59 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 61 x 127 millimeters (2.4 x 5 in) | 60 x 109.8 millimeters (2.36 x 4.32 in) |
| Weight | 162 grams (5.67 ounces) | 109 grams (3.82 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 3.5" inches | 3.14" inches |
| Screen-to-body ratio | ~45% (screen-to-body ratio) | ~46.3% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 240x320 pixels (4:3) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 2-points |
| Pixel density (dot pitch) | 267 PPI | 127 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| System version | Android 2.2.1 Froyo | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| Chipset | 32bit: Samsung Exynos 3 | 32bit: Broadcom BCM21553 (65nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) | Single-core, 1 processor: 1x 832MHz ARM1136 (Single-core) |
| GPU graphical controller | PowerVR SGX540 | VideoCore IV |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| RAM memory | 512MB | 384MB LPDDR |
| Internal storage | 1GB (350MB available) | 512MB (160MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 7.2 Mbps |
| Network technology | 2G, 3G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 1700/2100 | UMTS 850/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | CSD, GPRS, EDGE, UMTS, HSDPA |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | CSD, GPRS, EDGE |
📷 Camera | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| Back camera (main camera) | 3.1 megapixels | 3.1 megapixels |
| Main camera resolution | 2048x1536 pixels | 2048x1536 pixels |
| Video recording (primary) | VGA (720x480) 30 fps | QVGA (320x240) 24 fps |
| Flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Not supported |
| Touch focus | feature not registered | Not supported |
| Image stabilization | feature not registered | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| Front camera (secondary) | 0.3 megapixels | Not supported |
| Front camera resolution | 640x480 pixels | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, 3GP, MPEG4, WMV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) EB464358VU |
| Battery capacity | 1500 mAh | 1300 mAh |
| Charger, watts | Wired charging | 3.5W (5V/0.7A) Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 6.5 hours | 6.2 hours |
| Standby | 456 hours (19 days) | 440 hours (18.3 days) |
➕ Other features | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| Call control | Voice recorder | Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not 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 • 2GB microSD included • Samsung Kies synchronization • Samsung TouchWiz UI • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Y Duos (GT-S6102B) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |