Blu Vivo Go (V0390WW) vs LG X400 (K121L)
Side by side comparison between Blu Vivo Go vs LG X400 phones, differences, pros, cons and full specifications. What's the better?
,
6"
IPS
IPS
720x1440
8
MP
MP
5mp
1GB
RAM
RAM
Quad-core
2600
mAh
mAh
(Non removable)
vs
5.3"
IPS
IPS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
2800
mAh
mAh
(Removable)
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!
6 Advantages 
18 Advantages | 23 Common items in both devices |
| Plastic body, glass front |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| (front) 5MP |
| +16 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 | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| Change model | ||
| Model | Vivo Go (V0390WW) | X400 (K121L) |
| Other model names | BLU Vivo Go V0390WW (Android Go edition) | LG U+ X400, LGM-K121L, LGMK121L (LG Uplus) |
| Country or region available |   USA, (Global, International) |  South Korea |
| Brand | Blu | LG |
| Release date | 12/14/2018 | 2/1/2017 |
| Depth | 8.4 millimeters (0.33 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 75.2 x 156.7 millimeters (2.96 x 6.17 in) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) |
| Weight | 155 grams (5.43 ounces) | 142 grams (4.97 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6" inches | 5.3" inches |
| Screen-to-body ratio | ~78.8% (screen-to-body ratio) | ~69.2% (screen-to-body ratio) |
| Display resolution | 720x1440 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 268 PPI | 277 PPI |
| Colors | 16 million | 16 million |
| 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 | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| System version | Android 9.0 Pie | Android 7.0 Nougat |
| Firmware update | feature not registered | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| Chipset | 64bit: MediaTek MT6739 (28nm) | 64bit: MediaTek MT6750 (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR GE8100 MP1 (570MHz) | ARM Mali-T860 MP2 520Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| RAM memory | 1GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 16GB (11GB available) eMMC 5.1 | 32GB (22GB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 300/50 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 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 2100 |
| Primary 4G network | LTE Cat4 (Bands 1, 2, 3, 4, 7, 12, 17, 28) | LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| Back camera (main camera) | (dual camera) 8 megapixels 0.3MP depth | 13 megapixels |
| Main camera resolution | 3264x2448 pixels | 4160x3120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3" 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 | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2560x1920 pixels | 2560x1920 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | feature not registered | f/2.4 (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 | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Digital TV |
| Video formats | MP4, H.264, H.263, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| 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 | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| Sensors | Accelerometer Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2600 mAh | 2800 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 16 hours | 9 hours |
| Standby | 550 hours (22.9 days) | 390 hours (16.3 days) |
➕ Other features | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| 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 • Android Go edition • Silicone Case included | • Colors: Black, Gold • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • DMB-TV (Korea) |
☢️ Radiation rate | ||
| Blu Vivo Go (V0390WW) | LG X400 (K121L) | |
| 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 |