| Physical features | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| Model | K20 (X120BMW) | Galaxy A3 Duos (SM-A3000) |
| Other model names | LG K20 2019 LMX120BMW.ACOLBK, LM-X120BMW | Galaxy A3 (4G LTE) SM-A3000 Dual-Sim |
| Country or region available |   
(Latin America), Colombia, Panama |  
China, Hong Kong |
| Brand | LG | Samsung |
| Release date | August, 2019 | November, 2014 |
| Depth | 8.3 millimeters (0.33 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 71.9 x 148.6 millimeters (2.83 x 5.85 in) | 65.5 x 130.1 millimeters (2.58 x 5.12 in) |
| Weight | 152 grams (5.32 ounces) | 110 grams (3.85 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Build, materials | Plastic body, glass front | Aluminum 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 |
| System (OS) | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| Operating system | Android 9.0 Pie | Android 4.4.4 KitKat |
| Firmware update | feature not registered | Android 6.0.1 Marshmallow |
| Hardware | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| Chipset | 64bit - MediaTek MT6739 (28nm) | 64bit - Qualcomm Snapdragon 410 MSM8916 (28nm) |
| CPU processor | 1.5Ghz Quad-Core ARM Cortex-A53 | 1.2Ghz Quad-Core ARM Cortex-A53 |
| GPU graphical controller | PowerVR GE8100 570Mhz | Qualcomm Adreno 306 450Mhz |
| RAM memory | 1GB LPDDR3 | 1GB |
| Internal storage | 16GB (11GB available)
eMMC 5.1 | 16GB (12GB available)
eMMC 4.5 |
| External storage | Until 256GB microSD, microSDXC
(dedicated slot) | Until 64GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot) |
| Display | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.45" inches | 4.5" inches |
| Screen-to-body ratio | ~71.7% (screen-to-body ratio) | ~65.5% (screen-to-body ratio) |
| Display resolution | 480x960 pixels (18:9) | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 197 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Display features | 60Hz | feature not registered |
| Mobile networks | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card
(dedicated slot) | Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-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 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 | TD-SCDMA 1900/2000
UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 17, 28, 66)
VoLTE | LTE Cat4 (Bands 1, 3, 7)
TD-LTE (Bands 38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| 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 K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| 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 dialing, Voice recorder, Voice commands |
| Camera | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| 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 on both cameras | LED flash |
| Focal aperture | f/2.0 (aperture) | f/2.4 (aperture) |
| Focal length | 27mm lens | 31mm lens |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| 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 |
| 2ª camera | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2560x1920 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | WVGA (800x480) |
| Front flash | LED | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | 24mm lens | 23mm lens |
| Sensor size | 1/5" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Multimedia | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
| Connectivity | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| TV output | Not supported | Not supported |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 4.2 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n (2.4Ghz) | 802.11 b/g/n (2.4Ghz) |
| DLNA | Not supported | Not supported |
| NFC | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| Infrared port | Not supported | Not supported |
| Other functions | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| Active noise cancellation | Supported | Supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Sensors | Accelerometer
Proximity sensor
Ambient Light sensor
| Accelerometer
Proximity sensor
Compass
Ambient Light sensor
ANT+
|
| Other features | - Colors: Black, Blue, Platinum
- Android Go edition
- Google assistant
- WiFi hotspot | - Colors: Black, White, Blue, Silver, Pink, Gold
- Samsung TouchWiz UX
- WiFi hotspot
- Java framework |
| Power supply | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| Battery | Li-Ion: Lithium-Ion (Non removable)
BL-01 | Li-Ion: Lithium-Ion (Non removable) |
| Battery capacity | 3000 mAh | 1900 mAh |
| Charger, watts | 6W (5V/1.2A) Standard charging | Standard charging |
| Talk time autonomy | 1020 minutes | 17 hours | 0.7 day | 720 minutes | 12 hours | 0.5 day |
| Standby | 36000 minutes | 600 hours | 25 days | feature not registered |
| Radiation rate | LG K20 (X120BMW) | Samsung Galaxy A3 Duos (SM-A3000) |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.695W/kg (head) | 0.376W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.249W/kg (head) | 0.318W/kg (body) |