Sony Xperia XA Ultra (F3211) vs T-Mobile Sidekick 4G (SGH-T839)
Side by side comparison between Sony Xperia XA Ultra vs T-Mobile Sidekick 4G phones, differences, pros, cons and full specifications. What's the better?
,
6"
IPS
IPS
1080x1920
21.5
MP
MP
16mp
3GB
RAM
RAM
Octa-core
2700
mAh
mAh
(Non removable)
vs
3.5"
TFT
TFT
480x800
3.1
MP
MP
0.3mp
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
What's the better phone? Sony Xperia XA Ultra (F3211)
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!
23 Advantages 
2 Advantages | 15 Common items in both devices |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +8 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 | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| Model | Xperia XA Ultra (F3211) | Sidekick 4G (SGH-T839) |
| Other model names | Sony Xperia XA Ultra Single-Sim F3211, Sony Ukulele SS | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G |
| Country or region available |  (Europe) |  USA |
| Brand | Sony | T-Mobile |
| Release date | 7/24/2016 | 4/20/2011 |
| Depth | 8.4 millimeters (0.33 inches) | 15 millimeters (0.59 inches) |
| Size (width x height) | 79 x 164 millimeters (3.11 x 6.46 in) | 61 x 127 millimeters (2.4 x 5 in) |
| Weight | 202 grams (7.07 ounces) | 162 grams (5.67 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6" inches | 3.5" inches |
| Screen-to-body ratio | ~76.6% (screen-to-body ratio) | ~45% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 4-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 367 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| System version | Android 6.0.1 Marshmallow | Android 2.2.1 Froyo |
| Firmware update | Android 7.0 Nougat | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| Chipset | 64bit: MediaTek MT6755 Helio P10 (28nm) | 32bit: Samsung Exynos 3 |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | ARM Mali-T860 MP2 700Mhz | PowerVR SGX540 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| RAM memory | 3GB LPDDR3 | 512MB |
| Internal storage | 16GB (8.2GB available) | 1GB (350MB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/900/1900/2100 | UMTS 1700/2100 |
| Primary 4G network | LTE Cat4 800/850/900/1800/1900/2100/2600 (Bands 1,2,3,5,7,8,20) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| Back camera (main camera) | 21.5 megapixels | 3.1 megapixels |
| Main camera resolution | 5352x4016 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | VGA (720x480) 30 fps |
| Flash | LED flash on both cameras | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.4" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | feature not registered |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Supported | feature not registered |
| HDR | HDR photo/video on both cameras | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| Front camera (secondary) | 16 megapixels | 0.3 megapixels |
| Front camera resolution | 5312x2988 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.6" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2700 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 12 hours | 6.5 hours |
| Standby | 708 hours (29.5 days) | 456 hours (19 days) |
➕ Other features | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: White, Black, Lime Gold • USB OTG On-The-Go • Exmor RS IMX-230 main camera • Exmor RS IMX-234 front camera • Tela BRAVIA engine 2 • Clear Audio+ • PS4 integration | • Colors: Matte black, Pearl magenta • 2GB microSD included • Samsung TouchWiz UI • Optical trackpad • HAC M3/T3 • T-Mobile TV • DLNA • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Sony Xperia XA Ultra (F3211) | T-Mobile Sidekick 4G (SGH-T839) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.27W/kg (head), 0.37W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.72W/kg (head), 0.43W/kg (body) | feature not registered |