Asus Padfone Infinity (32GB) vs T-Mobile Sidekick 4G (SGH-T839)
Side by side comparison between Asus PadFone Infinity vs T-Mobile Sidekick 4G phones, differences, pros, cons and full specifications. What's the better?
,
5"
IPS+
IPS+
1080x1920
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
2400
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? Asus Padfone Infinity (32GB)
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 
2 Advantages | 14 Common items in both devices |
| 16 million |
| Only digital zoom |
| 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 | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Model | Padfone Infinity (32GB) | Sidekick 4G (SGH-T839) |
| Other model names | Asus PadFone Infinity 32GB | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G |
| Country or region available | feature not registered |  USA |
| Brand | Asus | T-Mobile |
| Release date | 4/22/2013 | 4/20/2011 |
| Depth | 8.9 millimeters (0.35 inches) | 15 millimeters (0.59 inches) |
| Size (width x height) | 72.8 x 143.5 millimeters (2.87 x 5.65 in) | 61 x 127 millimeters (2.4 x 5 in) |
| Weight | 141 grams (4.94 ounces) | 162 grams (5.67 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Display type | TFT Super IPS+ | TFT LCD |
| Screen size | 5" inches | 3.5" inches |
| Screen-to-body ratio | ~66% (screen-to-body ratio) | ~45% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 441 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| System version | Android 4.2 Jelly Bean | Android 2.2.1 Froyo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Chipset | 32bit: Qualcomm Snapdragon 600 (APQ8064T) (28nm) | 32bit: Samsung Exynos 3 |
| CPU | Quad-core, 1 processor: 4x 1.7GHz Krait 300 (Quad-core) | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 320 (400MHz) | PowerVR SGX540 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| RAM memory | 2GB LPDDR2 | 512MB |
| Internal storage | 32GB | 1GB (350MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Padfone Infinity (32GB) | 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 | 100/50 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 900/2100 | UMTS 1700/2100 |
| Primary 4G network | LTE 800/1800/2600/2100 | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Back camera (main camera) | 13 megapixels | 3.1 megapixels |
| Main camera resolution | 4128x3096 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | VGA (720x480) 30 fps |
| Flash | LED flash | Not supported |
| Focal aperture | feature not registered | 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 | feature not registered | feature not registered |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | feature not registered |
| BSI sensor | feature not registered | feature not registered |
| HDR | feature not registered | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Front camera (secondary) | 2.1 megapixels | 0.3 megapixels |
| Front camera resolution | 1920x1080 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | 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 | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | feature not registered |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 4.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | feature not registered | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | feature not registered | feature not registered |
🧭 Sensors | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2400 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 19 hours | 6.5 hours |
| Standby | 410 hours (17.1 days) | 456 hours (19 days) |
➕ Other features | ||
| Asus Padfone Infinity (32GB) | T-Mobile Sidekick 4G (SGH-T839) | |
| Call control | Voice dialing, Voice recorder | Voice recorder |
| Messaging | SMS (Swype), 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, Flash player | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Titanium Gray, Hot Pink, Champagne Gold • ASUS Waveshare UI • Multitouch up to 10 fingers • USB On-The-Go 1.3 • USB Host • BSI sensor • Touch focus • WiFi dual-band • Java framework | • 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 | ||
| Asus Padfone Infinity (32GB) | 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.) | feature not registered | feature not registered |