LG K4 2017 (M151) vs LG K9 (X210NMW)
Side by side comparison between LG K4 (2017) vs LG K9 phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? LG K9 (X210NMW)
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!
4 Advantages 
11 Advantages | 27 Common items in both devices |
| eMMC 4.5 |
| Until 32GB microSD, microSDXC |
| Plastic body, glass front |
| TFT IPS LCD |
| 16 million |
| 5" |
| LED flash |
| +20 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 K4 2017 (M151) | LG K9 (X210NMW) | |
| Model | LG K4 2017 (M151) | LG K9 (X210NMW) |
| Other model names | Bell/Rogers/Telus LG K4 M151, LG-M151, LGM151 | LG K9 dual-sim LMX210NMW, LM-X210NMW |
| Country or region available |  Canada |     Kazakhstan, United Arab Emirates, Russia, Ukraine |
| Brand | LG | LG |
| Release date | 2/1/2017 | 3/1/2018 |
| Depth | 7.9 millimeters (0.31 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 72.6 x 144.7 millimeters (2.86 x 5.7 in) | 73.2 x 146.3 millimeters (2.88 x 5.76 in) |
| Weight | 138 grams (4.83 ounces) | 152 grams (5.32 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5" inches | 5" inches |
| Screen-to-body ratio | ~65.6% (screen-to-body ratio) | ~64.4% (screen-to-body ratio) |
| Display resolution | 480x854 pixels (16:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 196 PPI | 294 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| System version | Android 6.0.1 Marshmallow | Android 7.1.2 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | LG UX 5.0 | feature not registered |
⚙️ Processor | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| Chipset | 32bit: Qualcomm Snapdragon 210 MSM8909 (28nm) | 32bit: Qualcomm Snapdragon 210 MSM8909 (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.1GHz ARM Cortex-A7 (Quad-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 304 | Qualcomm Adreno 304 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| RAM memory | 1GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 8GB (4GB available) eMMC 4.5 | 16GB (9GB available) eMMC 4.5 |
| External storage | Until 32GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| 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 | 150/50 Mbps | 150/50 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 Cat4 (2, 4, 7, 17) | LTE Cat4 (Bands 1,3,7,20) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 K4 2017 (M151) | LG K9 (X210NMW) | |
| Back camera (main camera) | 5 megapixels | 8 megapixels |
| Main camera resolution | 2560x1920 pixels | 3264x2448 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.6 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | 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 | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2560x1920 pixels | 2560x1920 pixels |
| Video recording (secondary) | HD (1280x720) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.7 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/5" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263, MKV, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) BL-45F1F |
| Battery capacity | 2500 mAh | 2500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 7 hours |
| Standby | feature not registered | 250 hours (10.4 days) |
➕ Other features | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| 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: Black, Titan, Gold, Chocolate • Knock Code, Knock On • Quick Share, Quick Selfie | • Colors: Aurora Black, Moroccan Blue, Terra Gold • Plastic body |
☢️ Radiation rate | ||
| LG K4 2017 (M151) | LG K9 (X210NMW) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.763W/kg (head), 1.43W/kg (body) |