LG G6 (H870i) vs LG K51S (K510EMW)
Side by side comparison between LG G6 vs LG K51S phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
IPS
IPS
1440x2880
13
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3230
mAh
mAh
(Non removable)
vs
6.55"
IPS
IPS
720x1600
32
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? LG G6 (H870i)
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!
20 Advantages 
8 Advantages | 25 Common items in both devices |
| 64GB (51GB available) / 64GB (47GB available) |
| Until 1TB microSD, microSDXC |
| TFT IPS LCD |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| +18 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 G6 (H870i) | LG K51S (K510EMW) | |
| Model | LG G6 (H870i) | K51S (K510EMW) |
| Other model names | LG G6 (64GB) H870i, LG-H870i, LGH870i | LG K51s LM-K510EMW, LMK510EMW (Dual-Sim + NFC) |
| Country or region available |  Brazil |   (Europe), (Global, International) |
| Brand | LG | LG |
| Release date | 4/1/2017, Announced: 2/26/2017 | 4/1/2020 |
| Depth | 7.9 millimeters (0.31 inches) | 8.26 millimeters (0.33 inches) |
| Size (width x height) | 71.9 x 148.9 millimeters (2.83 x 5.86 in) | 76.7 x 165.2 millimeters (3.02 x 6.5 in) |
| Weight | 163 grams (5.71 ounces) | 194 grams (6.79 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.7" inches | 6.55" inches |
| Screen-to-body ratio | ~78.3% (screen-to-body ratio) | ~81.7% (screen-to-body ratio) |
| Display resolution | 1440x2880 pixels (18:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 565 PPI | 268 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Dolby Vision/HDR10 Always-On Display | 400nits[typ] |
🤖 Operating System | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| System version | Android 7.0 Nougat | Android 9.0 Pie |
| Firmware update | Android 9.0 Pie | feature not registered |
| User Interface | LG UX UI 6.0 / 8.0 | feature not registered |
⚙️ Processor | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| Chipset | 64bit: Qualcomm Snapdragon 821 (MSM8996AC) (14nm) | 64bit: MediaTek Helio P35 (MT6765) (12nm) |
| CPU | Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 530 (653MHz) | PowerVR GE8320 MP2 (680MHz) |
| Performance (benchmark) | AnTuTu: 158785 (v7) Geekbench: 4175 (v4.4) GFXBench: 8.5fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| RAM memory | 4GB LPDDR4 | 3GB LPDDR3 |
| Internal storage | 64GB (51GB available) UFS 2.0 | 64GB (47GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 600/150 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| 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 850/900/1900/2100 |
| Primary 4G network | LTE Cat12 (1, 3, 5, 7, 8, 20, 28) | LTE Cat6 (1, 3, 7, 8, 20) TD-LTE (38) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| Back camera (main camera) | (dual camera) 13 megapixels 13MP ultrawide f/2.41/4"12mm125°FF | (quad camera) 32 megapixels 5MP ultrawide f/2.216mm1.12μm115° 2MP macro f/2.422mm1.75μm88.6° 2MP depth f/2.41.75μm |
| Main camera resolution | 4160x3120 pixels | 6528x4896 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 30mm lens | 24mm lens |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (3-axis): Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video and HDR photo on front camera | HDR photo on both cameras |
| Camera extras | 1080p@60fps 720p@120fps | feature not registered |
📸 Front camera | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| Front camera (secondary) | 5 megapixels | 13 megapixels |
| Front camera resolution | 2560x1920 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | 18mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| Loudspeaker | Stereo sound 32-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C SlimPort® | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3230 mAh | 4000 mAh |
| Charger, watts | 18W Wired fast charging Quick Charge 3 | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 23 hours | 10.5 hours |
| Standby | 384 hours (16 days) | 370 hours (15.4 days) |
➕ Other features | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| 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: Astro black, Mystic white, Ice platinum • Fast battery charging: 50% in 30min • Knock Code, KnockOn | • Colors: Titanium, Blue, Pink/Red • Silicone case included • Google Assistant (dedicated side button) • DTS:X 3D audio |
☢️ Radiation rate | ||
| LG G6 (H870i) | LG K51S (K510EMW) | |
| 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 |