Physical features | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Model | K8 Note (32GB) | K51 (K500UM3) |
Other model names | Lenovo K8 Note XT1902-3 3GB RAM, M2CB2 | LG K51 (Boost Mobile) LMK500UM3ABMUTN, LM-K500UM3 |
Country or region available |  (Global, International) |  USA |
Brand | Lenovo | LG |
Release date | August, 2017 | February, 2020 |
Depth | 8.5 millimeters (0.33 inches) | 8.47 millimeters (0.33 inches) |
Size (width x height) | 75.9 x 154.5 millimeters (2.99 x 6.08 in) | 77.92 x 166.96 millimeters (3.07 x 6.57 in) |
Weight | 180 grams (6.3 ounces) | 204 grams (7.14 ounces) |
Qwerty physical keyboard | Not supported | Not supported |
Antenna | Internal antenna | Internal antenna |
Build, materials | feature not registered | Plastic body, glass front |
Protection against water and others | Water splash resistant (don't immerse) | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
System (OS) | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Operating system | Android 7.1.1 Nougat | Android 9.0 Pie |
Firmware update | Android 8.0 Oreo | feature not registered |
Hardware | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Chipset | 64bit - MediaTek MT6797D Helio X23 (20nm) | 64bit - MediaTek MT6762 Helio P22 (12nm) |
CPU processor | Deca-Core, 3 processors: 2.3Ghz Dual-Core ARM Cortex-A72 1.85Ghz Quad-Core ARM Cortex-A53 1.4Ghz Quad-Core ARM Cortex-A53 | Octa-Core, 2 processors: 2Ghz Quad-Core ARM Cortex-A53 1.5Ghz Quad-Core ARM Cortex-A53 |
GPU graphical controller | ARM Mali-T880 MP4 800Mhz | PowerVR GE8320 650Mhz |
RAM memory | 3GB LPDDR3 | 3GB LPDDR3 |
Internal storage | 32GB (22GB available) | 32GB (16GB available) eMMC 5.1 |
External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
Display | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Display type | TFT IPS LCD | TFT IPS LCD |
Screen size | 5.5" inches | 6.5" inches |
Screen-to-body ratio | ~71.1% (screen-to-body ratio) | ~79.7% (screen-to-body ratio) |
Display resolution | 1080x1920 pixels | 720x1560 pixels (19.5:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 401 PPI | 264 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 3 | Panda King Glass |
Display features | feature not registered | 60Hz |
Mobile networks | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
Maximum download/upload | 150/50 Mbps | 300/50 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
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 | CDMA 800/1900, GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat4 (Bands 1,3,5,7,8) TD-LTE (Bands 40) | LTE Cat6 (2, 4, 5, 12, 13, 25, 26, 66, 71) TD-LTE (41) |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
Secondary 3G network | Not supported | Not supported |
Secondary 4G network | Not supported | Not supported |
Secondary data network | GPRS, EDGE | Not supported |
Calling | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
Speakerphone | Supported | Supported |
Video calling | Supported | Supported |
Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
Camera | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Back camera (main camera) | (dual camera) 13 megapixels 5MP depthf/1.2 | (triple camera) 13 megapixels 5MP ultrawidef/2.21.12μm1/5"115º 2MP depthf/2.41.75μm1/5"85º |
Main camera resolution | 4128x3096 pixels | 4128x3096 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
Flash | Dual-LED on main camera and LED on front camera | LED flash |
Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | 26mm lens |
Sensor size | feature not registered | 1/3" inches |
Pixel size | feature not registered | 1.12µm pixel |
Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
Zoom | Only digital zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Not supported | Not supported |
HDR | HDR photo on both cameras | HDR photo on both cameras |
2ª camera | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Front camera (secondary) | 13 megapixels | 13 megapixels |
Front camera resolution | 4128x3096 pixels | 4128x3096 pixels |
Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
Front flash | LED | Not supported |
Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | feature not registered | 1/3" inches |
Pixel size | feature not registered | 1.12µm pixel |
Multimedia | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Radio | FM | Not supported |
TV | Not supported | Not supported |
Video formats | MP4, H.264, H.263, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
Connectivity | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
TV output | Not supported | Not supported |
Audio output | 3.5mm jack | 3.5mm jack |
Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
WiFi | 802.11 b/g/n (2.4Ghz) | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO |
DLNA | Not supported | Not supported |
NFC | Not supported | Not supported |
GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
Infrared port | Not supported | Not supported |
Other functions | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Active noise cancellation | Supported | Supported |
Vibrating alert | Supported | Supported |
Ringtones | Polyphonic and customized | Polyphonic and customized |
Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
Sensors | Accelerometer Proximity sensor Compass Ambient Light sensor Gyroscope Fingerprint sensor
| Accelerometer Proximity sensor Compass Ambient Light sensor Gyroscope Fingerprint sensor (rear-mounted)
|
Other features | - Colors: Venom Black, Fine Gold - Aluminum body - 2.5D glass screen - USB OTG On-The-Go - Dolby Atmos audio - Fast battery charging (Turbo Charge) - WiFi direct, hotspot - Splash Resistant | - Colors: Titan gray - Google Assistant - DTS:X 3D sound surround - HAC M3/T3 - WiFi direct, hotspot |
Power supply | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
Battery | LiPo: Li-Ion polymer (Non removable) | LiPo: Li-Ion polymer (Non removable) |
Battery capacity | 4000 mAh | 4000 mAh |
Charger, watts | Standard charging | 10W (5V/2A) Standard charging |
Talk time autonomy | 1500 minutes | 25 hours | 1 days | 1260 minutes | 21 hours | 0.9 day |
Standby | 22680 minutes | 378 hours | 15.8 days | 34560 minutes | 576 hours | 24 days |
Radiation rate | Lenovo K8 Note (32GB) | LG K51 (K500UM3) |
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 |