T-Mobile Sidekick 4G (SGH-T839) vs Samsung Galaxy C9 Pro Duos (SM-C900Y/DS)
Side by side comparison between T-Mobile Sidekick 4G vs Samsung Galaxy C9 Pro 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
6"
AMOLED
AMOLED
1080x1920
16
MP
MP
16mp
6GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy C9 Pro Duos (SM-C900Y/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!
2 Advantages 
29 Advantages | 14 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +7 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 C9 Pro Duos (SM-C900Y/DS) | |
| Change model | ||
| Model | Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) |
| Other model names | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G | Galaxy C9 Pro C900Y/Dual-Sim, Samsung SM-C900Y/DS |
| Country or region available |  USA |  Taiwan |
| Brand | T-Mobile | Samsung |
| Release date | 4/20/2011 | 1/1/2017 |
| Depth | 15 millimeters (0.59 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 61 x 127 millimeters (2.4 x 5 in) | 80.7 x 162.9 millimeters (3.18 x 6.41 in) |
| Weight | 162 grams (5.67 ounces) | 188 grams (6.58 ounces) |
| Build, materials | feature not registered | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| Display type | TFT LCD | Super AMOLED |
| Screen size | 3.5" inches | 6" inches |
| Screen-to-body ratio | ~45% (screen-to-body ratio) | ~75.5% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 367 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| System version | Android 2.2.1 Froyo | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| Chipset | 32bit: Samsung Exynos 3 | 64bit: Qualcomm Snapdragon 653 MSM8976 Pro (28nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) | Octa-core, 2 processors: 4x 1.95GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR SGX540 | Qualcomm Adreno 510 600Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| RAM memory | 512MB | 6GB LPDDR3 |
| Internal storage | 1GB (350MB available) | 64GB (51GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| 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) nano-SIM (4FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Tri-Band 850/900/1800 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800 |
| Primary 3G network | UMTS 1700/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (Bands 1,3,7,8,28) TD-LTE (Bands 38) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| Back camera (main camera) | 3.1 megapixels | 16 megapixels |
| Main camera resolution | 2048x1536 pixels | 4608x3456 pixels |
| Video recording (primary) | VGA (720x480) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| 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 | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| 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 | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| Front camera (secondary) | 0.3 megapixels | 16 megapixels |
| Front camera resolution | 640x480 pixels | 4608x3456 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| 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 C9 Pro Duos (SM-C900Y/DS) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, MKV, WMV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, eAAC+, WMA, FLAC |
🔌 Connectivity | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1500 mAh | 4000 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 6.5 hours | 18 hours |
| Standby | 456 hours (19 days) | feature not registered |
➕ Other features | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| 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, Flash player | HTML, XHTML, HTML5 |
| 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/gold, White/pink • Aluminum body • 2.5D Gorilla Glass screen • Fast battery charging • ANT+ |
☢️ Radiation rate | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy C9 Pro Duos (SM-C900Y/DS) | |
| 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 |