LG Harmony (M257) vs LG K20 (X120BMW)
Side by side comparison between LG Harmony vs LG K20 phones, differences, pros, cons and full specifications. What's the better?
,
5.3"
IPS
IPS
720x1280
8
MP
MP
5mp
1.5GB
RAM
RAM
Quad-core
2800
mAh
mAh
(Removable)
vs
5.45"
IPS
IPS
480x960
8
MP
MP
5mp
1GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
What's the better phone? LG K20 (X120BMW)
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!
9 Advantages 
10 Advantages | 24 Common items in both devices |
| Until 256GB microSD, microSDXC |
| Plastic body, glass front |
| TFT IPS LCD |
| 16 million |
| (back) 8MP |
| Only digital zoom |
| Autofocus |
| +17 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 Harmony (M257) | LG K20 (X120BMW) | |
| Change model | ||
| Model | Harmony (M257) | K20 (X120BMW) |
| Other model names | Cricket LG Harmony, LG K20 Plus, LG-M257, LGM257 | LG K20 2019 LMX120BMW.ACOLBK, LM-X120BMW |
| Country or region available |  USA |    (Latin America), Colombia, Panama |
| Brand | LG | LG |
| Release date | 2/1/2017 | 8/7/2019 |
| Depth | 8 millimeters (0.31 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) | 71.9 x 148.6 millimeters (2.83 x 5.85 in) |
| Weight | 142 grams (4.97 ounces) | 152 grams (5.32 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.3" inches | 5.45" inches |
| Screen-to-body ratio | ~69.2% (screen-to-body ratio) | ~71.7% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 480x960 pixels (18:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 277 PPI | 197 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| System version | Android 7.0 Nougat | Android 9.0 Pie |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| Chipset | 64bit: Qualcomm Snapdragon 425 MSM8917 (28nm) | 64bit: MediaTek MT6739 (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 308 500Mhz | PowerVR GE8100 MP1 (570MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| RAM memory | 1.5GB LPDDR3 | 1GB LPDDR3 |
| Internal storage | 16GB (9GB available) | 16GB (11GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| 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 | 300/50 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 850/1700/1900 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 700/850/1700/1900 (Bands 2,4,5,12) | LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 17, 28, 66) VoLTE |
| 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+, 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 Harmony (M257) | LG K20 (X120BMW) | |
| Back camera (main camera) | 8 megapixels | 8 megapixels |
| Main camera resolution | 3264x2448 pixels | 3264x2448 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 27mm lens |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | 1.12µm pixel | 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 only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2560x1920 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.4 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 24mm lens |
| Sensor size | feature not registered | 1/5" inches |
| Pixel size | 1.12µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) BL-01 |
| Battery capacity | 2800 mAh | 3000 mAh |
| Charger, watts | Wired charging | 6W (5V/1.2A) Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 14 hours | 17 hours |
| Standby | 350 hours (14.6 days) | 600 hours (25 days) |
➕ Other features | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| 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 • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • VoLTE | • Colors: Black, Blue, Platinum • Android Go edition • Google assistant • WiFi hotspot |
☢️ Radiation rate | ||
| LG Harmony (M257) | LG K20 (X120BMW) | |
| 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 |