| Physical features | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| Model | K51S (K510EMW) | Studio 6.0 HD (D650i) |
| Other model names | LG K51s LM-K510EMW, LMK510EMW (Dual-Sim + NFC) | Phablet BLU Studio 6.0 HD D650, BLU D650i |
| Country or region available |  
(Europe), (Global, International) |
(Global, International) |
| Brand | LG | Blu |
| Release date | April, 2020 | April, 2014 |
| Depth | 8.26 millimeters (0.33 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 76.7 x 165.2 millimeters (3.02 x 6.5 in) | 83 x 168 millimeters (3.27 x 6.61 in) |
| Weight | 194 grams (6.79 ounces) | 199 grams (6.97 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| 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 |
| System (OS) | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| Operating system | Android 9.0 Pie | Android 4.2.2 Jelly Bean |
| Firmware update | feature not registered | Android 4.4.2 KitKat |
| Hardware | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| Chipset | 64bit - MediaTek MT6765 Helio P35 (12nm) | 32bit - MediaTek MT6582 |
| CPU processor | Octa-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A53
1.8Ghz Quad-Core ARM Cortex-A53 | 1.3Ghz Quad-Core ARM Cortex-A7 |
| GPU graphical controller | PowerVR GE8320 680Mhz | ARM Mali-400 MP2 |
| RAM memory | 3GB LPDDR3 | 1GB LPDDR2 |
| Internal storage | 64GB (47GB available)
eMMC 5.1 | 4GB (1.49GB available) |
| External storage | Until 1TB microSD, microSDXC
(dedicated slot) | Until 32GB microSD, microSDHC
(dedicated slot) |
| Display | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.55" inches | 6" inches |
| Screen-to-body ratio | ~81.7% (screen-to-body ratio) | ~71.2% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 268 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Display features | 60Hz, 400 nits | feature not registered |
| Mobile networks | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card
(dedicated slot) | Dual-SIM Standby - Call active on one sim card
(dedicated slot) |
| SIM card | 2 slots (Dual-SIM)
nano-SIM (4FF) | 2 slots (Dual-SIM)
Standard mini-SIM (2FF) |
| Maximum download/upload | 300/50 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | UMTS 850/2100 |
| Primary 4G network | LTE Cat6 (1, 3, 7, 8, 20)
TD-LTE (38) | 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+ |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
| Calling | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| 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 commands | Voice dialing, Voice recorder |
| Camera | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| Back camera (main camera) | (quad camera)
32 megapixels
5MP ultrawidef/2.216mm1.12μm115º
2MP macrof/2.422mm1.75μm88.6º
2MP depthf/2.41.75μm | 8 megapixels |
| Main camera resolution | 6528x4896 pixels | 3264x2448 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 | 24mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| 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 | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| 2ª camera | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| Front camera (secondary) | 13 megapixels | 2 megapixels |
| Front camera resolution | 4128x3096 pixels | 1600x1200 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 | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Multimedia | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, DivX, XviD, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
| Connectivity | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| TV output | Not supported | Not supported |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n (2.4Ghz, 5Ghz) | 802.11 b/g/n (2.4Ghz) |
| DLNA | Supported | Not supported |
| NFC | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| Infrared port | Not supported | Not supported |
| Other functions | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| Active noise cancellation | Supported | Not 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
Fingerprint sensor (rear-mounted)
| Accelerometer
Proximity sensor
Ambient Light sensor
Gyroscope
|
| Other features | - Colors: Titanium, Blue, Pink/Red
- Silicone case included
- Google Assistant (dedicated side button)
- DTS:X 3D audio
- WiFi direct, hotspot | - Colors: Black, White
- Screen protector included
- Silicon Case included
- BLU Infinite View Technology
- Nex Lens Technology
- WiFi hotspot |
| Power supply | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| Battery | LiPo: Li-Ion polymer (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 4000 mAh | 3000 mAh |
| Charger, watts | 10W (5V/2A) Standard charging | Standard charging |
| Talk time autonomy | 630 minutes | 10.5 hours | 0.4 day | feature not registered |
| Standby | 22200 minutes | 370 hours | 15.4 days | feature not registered |
| Radiation rate | LG K51S (K510EMW) | Blu Studio 6.0 HD (D650i) |
| 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 |