Apple iPhone 12 Pro Max (512GB) vs T-Mobile Sidekick 4G (SGH-T839)
Side by side comparison between Apple iPhone 12 Pro Max vs T-Mobile Sidekick 4G phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
OLED
OLED
1284x2778
12
MP
MP
12mp
6GB
RAM
RAM
Hexa-core
3687
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 12 Pro Max (512GB)
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!
28 Advantages 
5 Advantages | 12 Common items in both devices |
| 16 million |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| +5 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 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Model | iPhone 12 Pro Max (512GB) | Sidekick 4G (SGH-T839) |
| Other model names | iPhone 12 Pro Max A2342, A2410, A2411, A2412 | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G |
| Country or region available |  (Global, International) |  USA |
| Brand | Apple | T-Mobile |
| Release date | 10/13/2020 | 4/20/2011 |
| Depth | 7.4 millimeters (0.29 inches) | 15 millimeters (0.59 inches) |
| Size (width x height) | 78.1 x 160.8 millimeters (3.07 x 6.33 in) | 61 x 127 millimeters (2.4 x 5 in) |
| Weight | 226 grams (7.91 ounces) | 162 grams (5.67 ounces) |
| Build, materials | Stainless steel body, glass front/back | feature not registered |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| iPhone 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Display type | Super Retina XDR OLED | TFT LCD |
| Screen size | 6.7" inches | 3.5" inches |
| Screen-to-body ratio | ~87.8% (screen-to-body ratio) | ~45% (screen-to-body ratio) |
| Display resolution | 1284x2778 pixels (19.5:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 457 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Ceramic Shield | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | 800nits[typ], 1200nits[peak] Dolby Vision/HDR10 Wide color gamut True-tone Oleophobic coating screen | feature not registered |
🤖 Operating System | ||
| iPhone 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| System version | iOS 14 | Android 2.2.1 Froyo |
| Firmware update | iOS 18 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| iPhone 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Chipset | 64bit: Apple A14 Bionic (5nm) | 32bit: Samsung Exynos 3 |
| CPU | Hexa-core, 2 processors: 2x 3.1GHz Firestorm (Dual-core) 4x 1.8GHz Icestorm (Quad-core) | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | Apple GPU MP4 | PowerVR SGX540 |
| Performance (benchmark) | AnTuTu: 638584 (v8), 722727 (v9) Geekbench: 4240 (v5.1) GFXBench: 55fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| iPhone 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| RAM memory | 6GB LPDDR4X | 512MB |
| Internal storage | 512GB (494GB available) NVMe (SSD) | 1GB (350MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| iPhone 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 5000/1024 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 1700/2100 |
| Primary 4G network | LTE Cat20 VoLTE A2342 version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 46, 48) A2410 version: LTE (1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 46, 48) A2411, A2412 versions: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66) TD-LTE (34, 38, 39, 40, 41, 42, 46, 48) | Not supported |
| Primary 5G network | A2342 version: Sub6/mmWave (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79, 260, 261) A2410, A2411, A2412 versions: Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 77, 78, 79) | Not supported |
| Primary data network | 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, SA/NSA, Sub6 | 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 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Back camera (main camera) | (quad camera) 12 megapixels 12MP ultrawide f/2.4120°13mm1/3.6" 12MP telephoto f/2.265mm1/3.4"1.0µmPDAFOIS2.5x-optical-zoom 0.3MP TOF 3D LiDAR-scanner | 3.1 megapixels |
| Main camera resolution | 4000x3000 pixels | 2048x1536 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | VGA (720x480) 30 fps |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.6 (aperture) | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.7µm 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 | Digital and optical 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 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Front camera (secondary) | (dual front camera) 12 megapixels 0.3MP SL 3D | 0.3 megapixels |
| Front camera resolution | 4000x3000 pixels | 640x480 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 23mm (lens) | feature not registered |
| Sensor size | 1/3.6" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| iPhone 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Loudspeaker | Stereo sound Dolby Atmos | 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 12 Pro Max (512GB) | 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/ax [wifi6] (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 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Gyroscope Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| iPhone 12 Pro Max (512GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3687 mAh | 1500 mAh |
| Charger, watts | 20W Wired fast charging USB Power Delivery 2.0 | Wired charging |
| Inductive / wireless charging | 15W Qi wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 6.5 hours |
| Standby | feature not registered | 456 hours (19 days) |
➕ Other features | ||
| iPhone 12 Pro Max (512GB) | 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: Silver, Graphite, Gold, Pacific Blue • Face ID • Apple Pay (Visa, MasterCard, AMEX) | • 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 12 Pro Max (512GB) | 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.) | 0.99W/kg (head), 0.99W/kg (body) | feature not registered |