LG K51S (K510ZMW) vs LG Optimus L9 (P768)
Side by side comparison between LG K51S vs LG Optimus L9 phones, differences, pros, cons and full specifications. What's the better?
,
6.55"
IPS
IPS
720x1600
32
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
4.7"
IPS
IPS
540x960
8
MP
MP
0.3mp
1GB
RAM
RAM
Dual-core
2150
mAh
mAh
(Removable)
What's the better phone? LG K51S (K510ZMW)
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!
22 Advantages 
3 Advantages | 26 Common items in both devices |
| Plastic body, glass front |
| TFT IPS LCD |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| +19 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 | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| Model | K51S (K510ZMW) | Optimus L9 (P768) |
| Other model names | LG K51s LM-K510ZMW, LMK510ZMW (Dual-Sim) | LG Optimus L9 P768, LG P768, LG L9 |
| Country or region available |     South Africa, Australia, Israel, Taiwan |   (Latin America), (Global, International) |
| Brand | LG | LG |
| Release date | 4/1/2020 | 12/1/2012, Announced: 10/1/2012 |
| Depth | 8.26 millimeters (0.33 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 76.7 x 165.2 millimeters (3.02 x 6.5 in) | 68.2 x 131.9 millimeters (2.69 x 5.19 in) |
| Weight | 194 grams (6.79 ounces) | 125 grams (4.38 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.55" inches | 4.7" inches |
| Screen-to-body ratio | ~81.7% (screen-to-body ratio) | ~67.7% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 268 PPI | 234 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | 400nits[typ] | Not supported |
🤖 Operating System | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| System version | Android 9.0 Pie | Android 4.0.4 Ice Cream Sandwich ICS |
| Firmware update | feature not registered | Android 4.1.2 Jelly Bean |
| User Interface | feature not registered | LG Optimus UI 3.0 |
⚙️ Processor | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| Chipset | 64bit: MediaTek Helio P35 (MT6765) (12nm) | 32bit: Texas Instruments OMAP 4430 (45nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | PowerVR GE8320 MP2 (680MHz) | PowerVR SGX540 MP1 (365MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| RAM memory | 3GB LPDDR3 | 1GB LPDDR2 |
| Internal storage | 64GB (47GB available) eMMC 5.1 | 4GB (2.68GB available) eMMC 4.41 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| 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) 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 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 850/900/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat6 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 39, 40) | 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 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| Back camera (main camera) | (quad camera) 32 megapixels 5MP ultrawide f/2.216mm1.12μm115° 2MP macro f/2.422mm1.75μm88.6° 2MP depth f/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 | 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 | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| Front camera (secondary) | 13 megapixels | 0.3 megapixels |
| Front camera resolution | 4128x3096 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| 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 |
🔉 Sound and multimedia | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| Loudspeaker | Supported | Mono sound (not stereo) Dolby Mobile sound |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, DivX, XviD, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4000 mAh | 2150 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 10.5 hours | 11 hours |
| Standby | 370 hours (15.4 days) | 798 hours (33.3 days) |
➕ Other features | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| 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, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Titanium, Blue, Pink/Red • Silicone case included • Google Assistant (dedicated side button) • DTS:X 3D audio | • Colors: White, Black • QMemo, QTranslator • Java framework |
☢️ Radiation rate | ||
| LG K51S (K510ZMW) | LG Optimus L9 (P768) | |
| 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 |