Apple iPhone XR (128GB) vs T-Mobile Sidekick 4G (SGH-T839)
Side by side comparison between Apple iPhone XR vs T-Mobile Sidekick 4G phones, differences, pros, cons and full specifications. What's the better?
,
6.1"
IPS
IPS
828x1792
12
MP
MP
7.1mp
3GB
RAM
RAM
Hexa-core
2942
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? Apple iPhone XR (128GB)
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!
25 Advantages 
5 Advantages | 13 Common items in both devices |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / 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 | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Model | iPhone XR (128GB) | Sidekick 4G (SGH-T839) |
| Other model names | iPhone XR A1984, A2105, A2106, A2107, A2108 | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G |
| Country or region available |  (Global, International) |  USA |
| Brand | Apple | T-Mobile |
| Release date | 10/26/2018, Announced: 9/12/2018 | 4/20/2011 |
| Depth | 8.3 millimeters (0.33 inches) | 15 millimeters (0.59 inches) |
| Size (width x height) | 75.7 x 150.9 millimeters (2.98 x 5.94 in) | 61 x 127 millimeters (2.4 x 5 in) |
| Weight | 194 grams (6.79 ounces) | 162 grams (5.67 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | IP67 certified: dust proof and waterproof over 1 meter and 30min | Not supported |
📲 Display | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Display type | TFT LED-Backlit IPS LCD | TFT LCD |
| Screen size | 6.1" inches | 3.5" inches |
| Screen-to-body ratio | ~80% (screen-to-body ratio) | ~45% (screen-to-body ratio) |
| Display resolution | 828x1792 pixels (19.5:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 324 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | 625nits[typ] Oleophobic coating screen | feature not registered |
🤖 Operating System | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| System version | iOS 12 | Android 2.2.1 Froyo |
| Firmware update | iOS 18 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Chipset | 64bit: Apple A12 Bionic (7nm) | 32bit: Samsung Exynos 3 |
| CPU | Hexa-core, 2 processors: 2x 2.25GHz Vortex (Dual-core) 4x 1.6GHz Tempest (Quad-core) | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | Apple GPU (4-Core) | PowerVR SGX540 |
| Performance (benchmark) | AnTuTu: 341196 (v7), 422465 (v8) Geekbench: 11437 (v4.4), 2690 (v5.1) GFXBench: 58fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| RAM memory | 3GB LPDDR4X | 512MB |
| Internal storage | 128GB (116GB available) NVMe (SSD) | 1GB (350MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| iPhone XR (128GB) | 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 | 1024/150 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 1700/2100 |
| Primary 4G network | LTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Back camera (main camera) | 12 megapixels | 3.1 megapixels |
| Main camera resolution | 4000x3000 pixels | 2048x1536 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | VGA (720x480) 30 fps |
| Flash | Quad-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 28mm (lens) | feature not registered |
| Sensor size | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | 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 | 1080p@240fps | feature not registered |
📸 Front camera | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Front camera (secondary) | 7.1 megapixels | 0.3 megapixels |
| Front camera resolution | 3072x2304 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 32mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Loudspeaker | Stereo sound | Supported |
| Active noise cancellation | 3 microphones | feature not registered |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MPEG4, H.265, H.264, MOV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, AAX+, AIFF | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| USB | USB 2.0 proprietary connector | MicroUSB 2.0 |
| Audio output | proprietary audio output | 3.5mm jack |
| TV output | Proprietary TV-out | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 3D Gyroscope Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2942 mAh | 1500 mAh |
| Charger, watts | 15W Wired fast charging USB Power Delivery 2.0 | Wired charging |
| Inductive / wireless charging | Qi wireless charging | feature not registered |
| Talk time autonomy | 25 hours (1 days) | 6.5 hours |
| Standby | feature not registered | 456 hours (19 days) |
➕ Other features | ||
| iPhone XR (128GB) | 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: Blue, Black, White, Yellow, Red, Coral • Lightning to 3.5mm headphone jack adapter included • Apple Pay • AirDrop, iCloud, FaceTime, Siri • Face ID | • 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 | ||
| iPhone XR (128GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.13W/kg (head), 1.16W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.99W/kg (head), 0.99W/kg (body) | feature not registered |