LG X400 (K121L) vs Positivo P20
Side by side comparison between LG X400 vs Positivo P20 phones, differences, pros, cons and full specifications. What's the better?
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5.3"
IPS
IPS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
2800
mAh
mAh
(Removable)
vs
What's the better phone? LG X400 (K121L)
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!
29 Advantages 
2 Advantages | 5 Common items in both devices |
| Only digital zoom |
| Li-Ion: lithium-ion (Removable) |
| 3.5mm jack |
| FM (RDS) / FM |
| MicroUSB 2.0, USB OTG On-The-Go / Mini-USB 2.0 (Mini-B) |
| + 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 X400 (K121L) | Positivo P20 | |
| Model | X400 (K121L) | Positivo P20 |
| Other model names | LG U+ X400, LGM-K121L, LGMK121L (LG Uplus) | Positivo P20 Dual-Chip |
| Country or region available |  South Korea |  Brazil |
| Brand | LG | Positivo |
| Release date | 2/1/2017 | 1/1/2015 |
| Depth | 8 millimeters (0.31 inches) | 13.8 millimeters (0.54 inches) |
| Size (width x height) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) | 60 x 114 millimeters (2.36 x 4.49 in) |
| Weight | 142 grams (4.97 ounces) | 51 grams (1.79 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG X400 (K121L) | Positivo P20 | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 5.3" inches | 1.8" inches |
| Screen-to-body ratio | ~69.2% (screen-to-body ratio) | ~14.7% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 120x160 pixels |
| Touchscreen | Capacitive Multitouch | Not supported |
| Pixel density (dot pitch) | 277 PPI | 111 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG X400 (K121L) | Positivo P20 | |
| System version | Android 7.0 Nougat | Proprietary OS |
| Firmware update | Android 8.0 Oreo | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG X400 (K121L) | Positivo P20 | |
| Chipset | 64bit: MediaTek MT6750 (28nm) | 32bit |
| CPU | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 260MHz |
| GPU graphical controller | ARM Mali-T860 MP2 520Mhz | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG X400 (K121L) | Positivo P20 | |
| RAM memory | 2GB LPDDR3 | 4MB |
| Internal storage | 32GB (22GB available) | 4MB |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 8GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG X400 (K121L) | Positivo P20 | |
| 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) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/50 Mbps | 0.048 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Tri-Band 900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 2100 | Not supported |
| Primary 4G network | LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS |
| 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 |
📷 Camera | ||
| LG X400 (K121L) | Positivo P20 | |
| Back camera (main camera) | 13 megapixels | 0.3 megapixels |
| Main camera resolution | 4160x3120 pixels | 640x480 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | QCIF (160x120) 15 fps |
| Flash | LED flash | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG X400 (K121L) | Positivo P20 | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2560x1920 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/5" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| LG X400 (K121L) | Positivo P20 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM (RDS) | FM |
| TV | Digital TV | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV |
🔌 Connectivity | ||
| LG X400 (K121L) | Positivo P20 | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | Mini-USB 2.0 (Mini-B) |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | Not supported |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | Not supported |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG X400 (K121L) | Positivo P20 | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor | Not supported |
| Vibrating alert | Supported | Not supported |
🔋 Battery | ||
| LG X400 (K121L) | Positivo P20 | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2800 mAh | 600 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 9 hours | feature not registered |
| Standby | 390 hours (16.3 days) | feature not registered |
➕ Other features | ||
| LG X400 (K121L) | Positivo P20 | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Gold • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • DMB-TV (Korea) | • Colors: Black |
☢️ Radiation rate | ||
| LG X400 (K121L) | Positivo P20 | |
| 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 |