T-Mobile Sidekick 4G (SGH-T839) vs Samsung Galaxy Z Flip Thom Browne (SM-F700U/DS)
Side by side comparison between T-Mobile Sidekick 4G vs Samsung Galaxy Z Flip Thom Browne 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
6.7"
AMOLED
AMOLED
1080x2636
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Z Flip Thom Browne (SM-F700U/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!
4 Advantages 
28 Advantages | 13 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +6 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 Z Flip Thom Browne (SM-F700U/DS) | |
| Change model | ||
| Model | Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) |
| Other model names | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G | Galaxy Z Flip Thom Browne Edition (4G LTE) SM-F700U/Dual-Sim |
| Country or region available |  USA | USA |
| Brand | T-Mobile | Samsung |
| Release date | 4/20/2011 | 2/14/2020, Announced: 2/11/2020 |
| Depth | 15 millimeters (0.59 inches) | 7.2 millimeters (0.28 inches) |
| Size (width x height) | 61 x 127 millimeters (2.4 x 5 in) | 73.6 x 167.3 millimeters (2.9 x 6.59 in) |
| Weight | 162 grams (5.67 ounces) | 183 grams (6.41 ounces) |
| Build, materials | feature not registered | Aluminum frame, flexible plastic screen, glass back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| Display type | TFT LCD | Dynamic AMOLED |
| Screen size | 3.5" inches | 6.7" inches |
| Screen-to-body ratio | ~45% (screen-to-body ratio) | ~82.5% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x2636 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 425 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | HDR10+ Extra display: Super AMOLED 1.1" (112x300) |
🤖 Operating System | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| System version | Android 2.2.1 Froyo | Android 10 |
| Firmware update | feature not registered | Android 13 |
| User Interface | feature not registered | One UI 2.0 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| Chipset | 32bit: Samsung Exynos 3 | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core) |
| GPU graphical controller | PowerVR SGX540 | Qualcomm Adreno 640 (672MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 453934 (v8) Geekbench: 2589 (v5.1) |
💽 Memory and storage | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| RAM memory | 512MB | 8GB LPDDR4X |
| Internal storage | 1GB (350MB available) | 256GB (223GB available) UFS 3.0 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 21/5.76 Mbps | 1024/316 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 1700/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 66, 71) TD-LTE (38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 66, 71) TD-LTE (38, 39, 40, 41) |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| Back camera (main camera) | 3.1 megapixels | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm |
| Main camera resolution | 2048x1536 pixels | 4032x3024 pixels |
| Video recording (primary) | VGA (720x480) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/2.55" inches |
| Pixel size | feature not registered | 1.4µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Supported |
| HDR | feature not registered | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@240fps 720p@960fps |
📸 Front camera | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| Front camera (secondary) | 0.3 megapixels | 10 megapixels |
| Front camera resolution | 640x480 pixels | 3872x2592 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.4 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| Loudspeaker | Supported | Mono sound (not stereo) 32-bit/384kHz Tuned by AKG |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| 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, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1500 mAh | 3300 mAh |
| Charger, watts | Wired charging | 15W (9V/1.67A) Wired fast charging |
| Inductive / wireless charging | feature not registered | Qi wireless charging |
| Talk time autonomy | 6.5 hours | feature not registered |
| Standby | 456 hours (19 days) | feature not registered |
➕ Other features | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/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: Silver (Thom Browne edition) • Galaxy Watch included • Gorilla Glass 6 back panel • Samsung Pay |
☢️ Radiation rate | ||
| T-Mobile Sidekick 4G (SGH-T839) | Galaxy Z Flip Thom Browne (SM-F700U/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.54W/kg (head), 1.47W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |