Samsung Galaxy J2 Pro 2018 (SM-J250F/DS) vs T-Mobile Sidekick 4G (SGH-T839)
Side by side comparison between Samsung Galaxy J2 Pro (2018) vs T-Mobile Sidekick 4G phones, differences, pros, cons and full specifications. What's the better?
,
5"
AMOLED
AMOLED
540x960
8
MP
MP
5mp
2GB
RAM
RAM
Quad-core
2600
mAh
mAh
(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? Samsung Galaxy J2 Pro 2018 (SM-J250F/DS)
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!
22 Advantages 
1 Advantage | 16 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +9 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 | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| Model | Galaxy J2 Pro 2018 (SM-J250F/DS) | Sidekick 4G (SGH-T839) |
| Other model names | Galaxy J2 Pro J250F/Dual-Sim, SM-J250FZDEINS | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G |
| Country or region available |        (Europe), Hong Kong, India, Pakistan, Singapore, (Global, International), Vietnam |  USA |
| Brand | Samsung | T-Mobile |
| Release date | 1/1/2018 | 4/20/2011 |
| Depth | 8.4 millimeters (0.33 inches) | 15 millimeters (0.59 inches) |
| Size (width x height) | 72.3 x 143.8 millimeters (2.85 x 5.66 in) | 61 x 127 millimeters (2.4 x 5 in) |
| Weight | 153 grams (5.36 ounces) | 162 grams (5.67 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 5" inches | 3.5" inches |
| Screen-to-body ratio | ~66.3% (screen-to-body ratio) | ~45% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 220 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| System version | Android 7.1.1 Nougat | Android 2.2.1 Froyo |
| Firmware update | Android 8.0 Oreo | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| Chipset | 64bit: Qualcomm Snapdragon 425 MSM8917 (28nm) | 32bit: Samsung Exynos 3 |
| CPU | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 308 500Mhz | PowerVR SGX540 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| RAM memory | 2GB LPDDR3 | 512MB |
| Internal storage | 16GB (10GB available) eMMC 5.1 | 1GB (350MB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 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 850/900/2100 | UMTS 1700/2100 |
| Primary 4G network | LTE Cat4 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| Back camera (main camera) | 8 megapixels | 3.1 megapixels |
| Main camera resolution | 3264x2448 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 | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo only main camera | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| Front camera (secondary) | 5 megapixels | 0.3 megapixels |
| Front camera resolution | 2560x1920 pixels | 640x480 pixels |
| Video recording (secondary) | HD (1280x720) | Not supported |
| Front flash | LED | Not supported |
| Focal aperture | f/2.2 (aperture) | 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 | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | feature not registered |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2600 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 18 hours | 6.5 hours |
| Standby | feature not registered | 456 hours (19 days) |
➕ Other features | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| Call control | Voice dialing, Voice recorder | 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: Black, Gold, Blue, Pink • Samsung Pay mini | • 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 | ||
| Galaxy J2 Pro 2018 (SM-J250F/DS) | T-Mobile Sidekick 4G (SGH-T839) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.513W/kg (head), 1.2W/kg (body) | feature not registered |