📱 Model features |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| Model | K51 (K500UMT3) | Padfone 2 (32GB) |
| Other model names | LG K51 (T-Mobile) LMK500UMT3ATMOTN, LM-K500UMT3 | Asus Padfone 2, Asus Pad Fone 2, Asus A68 |
| Country or region available | 
USA | feature not registered |
| Brand | LG | Asus |
| Release date | 5/1/2020 | 12/1/2012 |
| Depth | 8.47 millimeters (0.33 inches) | 9 millimeters (0.35 inches) |
| Size (width x height) | 77.92 x 166.96 millimeters (3.07 x 6.57 in) | 68.9 x 137.9 millimeters (2.71 x 5.43 in) |
| Weight | 204 grams (7.14 ounces) | 135 grams (4.73 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
🤖 Operating System |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| System version | Android 10 | Android 4.0.4 Ice Cream Sandwich ICS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| Chipset | 64bit - MediaTek Helio P22 (MT6762) (12nm) | 32bit - Qualcomm Snapdragon S4 Pro APQ8064 |
| CPU | Octa-Core, 2 processors:
2GHz Quad-Core ARM Cortex-A53
1.5GHz Quad-Core ARM Cortex-A53 | Quad-Core, 1 processor:
1.5GHz Quad-Core Krait |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 320 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| RAM memory | 3GB LPDDR3 | 2GB LPDDR2 |
| Internal storage | 32GB (18GB available)
eMMC 5.1 | 32GB |
| External storage | Until 1TB microSD, microSDXC
(dedicated slot) | Not supported |
📲 Display |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| Display type | TFT IPS LCD | TFT Super IPS+ |
| Screen size | 6.5" inches | 4.7" inches |
| Screen-to-body ratio | ~79.7% (screen-to-body ratio) | ~64.1% (screen-to-body ratio) |
| Display resolution | 720x1560 pixels (19.5:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 264 PPI | 312 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Panda King Glass | Gorilla Glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
📶 Mobile networks |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM)
nano-SIM (4FF) | 1 slot (Single-SIM)
micro-SIM (3FF) |
| Maximum download/upload | 300/50 Mbps | 100/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| Frequency, bands | Expand band detailsCollapse 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 850/900/1900/2100 | Not supported |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71)
TD-LTE (38, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| Back camera (main camera) | (triple camera)
13 megapixels
5MP ultrawidef/2.21.12μm1/5"115°
2MP depthf/2.41.75μm1/5"85° | 13 megapixels |
| Main camera resolution | 4128x3096 pixels | 4032x3224 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo on both cameras | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| Front camera (secondary) | 13 megapixels | 1.2 megapixels |
| Front camera resolution | 4128x3096 pixels | 1280x960 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 proprietary connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot | 802.11 a/b/g/n (2.4Ghz, 5Ghz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| Sensors | Accelerometer
Ambient Light sensor
Compass
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor | Accelerometer
Ambient Light sensor
Compass
Gyroscope
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| Battery type | LiPo: Li-Ion polymer (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 4000 mAh | 2140 mAh |
| Charger, watts | 10W (5V/2A) Standard charging | Standard charging |
| Talk time autonomy | 21 hours | 16 hours |
| Standby | 576 hours (24 days) | 352 hours (14.7 days) |
➕ Other features |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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, HTML5, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | - Colors: Titan gray
- Google Assistant
- DTS:X 3D sound surround
- HAC M3/T3 | - Colors: Black, White
- ASUS SonicMaster sound
- ASUS Waveshare UI
- HDMI 1.4a
- Wi-Fi dual-band
- Wi-Fi hotspot
- Optional: Padfone Station with 10.1 inches IPS display, 1280x800 pixels, 5000 mAh battery, 514g
- Java framework |
☢️ Radiation rate |
| LG K51 (K500UMT3) | Asus Padfone 2 (32GB) |
| 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 |