LG Aristo 2 vs LG K20 Dual SIM
| Type | Touch | Touch |
| Dimensions | 144.78 x 71.88 x 8.13 mm | 148.60 x 71.90 x 8.30 mm |
| Weight | 138.91 g | 153.00 g |
| Display size | 5.00" | 5.45" |
| Display | Color / IPS TFT 16M colors 720 x 1280 px (5.00") 294 ppi | Color / TFT 16M colors 480 x 960 px (5.45") 197 ppi |
| Display protection |   |  |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 1025 min. (17.1 h) | 3G: 780 min. (13.0 h) |
| Stand-by (max.) | 2G: 344 h. (14.3 days) | 3G: 180 h. (7.5 days) |
| Standard battery | Li-Ion 2410 mAhBuy powerbank
| Li-Ion 3000 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 16 GB | 16 GB |
| End-user memory | 9 GB | 11 GB |
| RAM memory | 2 GB | 1 GB |
| Memory cards | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | Android 7.1.2 Nougat | Android 9.0 Pie Go |
| Processor | Qualcomm Snapdragon 425 8917 | MediaTek MT6739 |
| Processor clock | 1400 MHz | 1500 MHz |
| GPU | Adreno 308 @500 MHz | PowerVR GE8100 @570 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard |  | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | 1Q 2018 | 3Q 2019 |
| Other names | LM-X210 | LMX120EMW |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 1700 1900 | 850 900 2100 |
| LTE standard | FDD LTE: 1900, 1700, 850, 700 | FDD LTE: 2600, 2100, 1800, 900, 800 TDD LTE: 2600 |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 13 Mpx | 8 Mpx |
| Resolution | 4160x3120 px | |
| Optical zoom | | |
| Digital zoom | 4x | 4x |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 1920x1080 px | 1280x720 px |
| Video formats | MPEG4, H.263, H.264, VP8, VP9 | H.263, H.264, MPEG4 - 30 fps |
| Additional | AF | AF, f/2.2 |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 5 Mpx | 5 Mpx |
| Resolution | 2560x1920 px | |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | MPEG4, H.263, H.264, VP8, VP9 | H.263, H.264, MPEG4 - 30 fps |
| Additional | - | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | - |
| LTE UP | | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.2 | v4.2 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | XT9 | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AIFF, ALAC, AMR, FLAC, M4A, MP2, OGG, WAV, WMA, eAAC+ | AAC, AAC+, AMR, FLAC, MID, OGG, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | ART | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |