LG X400 (K121K) vs Xiaomi Black Shark 3 Pro (256GB/12GB)
Side by side comparison between LG X400 vs Xiaomi Black Shark 3 Pro phones, differences, pros, cons and full specifications. What's the better?
,
5.3"
IPS
IPS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
2800
mAh
mAh
(Removable)
vs
7.1"
AMOLED
AMOLED
1440x3120
64
MP
MP
20mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Black Shark 3 Pro (256GB/12GB)
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!
17 Common items in both devices |
16 million |
LED flash |
Only digital zoom |
Autofocus / PDAF: phase detection autofocus |
EIS: Digital stabilization |
(front) Full HD (1920x1080) |
Capacitive |
+10 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 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
Model | X400 (K121K) | Black Shark 3 Pro (256GB/12GB) |
Other model names | KT LG X400, LGM-K121K, LGMK121K (Korea Telecom) | 小米 BlackShark 3 Pro 5G (256GB + 12GB RAM), MBU-A0, MBU-H0 |
Country or region available | South Korea | (Global, International) |
Brand | LG | Xiaomi |
Release date | 2/1/2017 | 3/3/2020 |
Depth | 8 millimeters (0.31 inches) | 10.1 millimeters (0.4 inches) |
Size (width x height) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) | 83.29 x 177.79 millimeters (3.28 x 7 in) |
Weight | 142 grams (4.97 ounces) | 253 grams (8.86 ounces) |
Build, materials | Plastic body, glass front | Aluminum body, glass front |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
Display type | TFT IPS LCD | AMOLED |
Screen size | 5.3" inches | 7.1" inches |
Screen-to-body ratio | ~69.2% (screen-to-body ratio) | ~83.6% (screen-to-body ratio) |
Display resolution | 720x1280 pixels | 1440x3120 pixels (19.5:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
Pixel density (dot pitch) | 277 PPI | 484 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Not supported |
Refresh rate | feature not registered | 90Hz |
Display features | feature not registered | 500nits[typ] HDR10+ |
🤖 Operating System | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
System version | Android 7.0 Nougat | Android 10 |
Firmware update | Android 8.0 Oreo | feature not registered |
User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
Chipset | 64bit: MediaTek MT6750 (28nm) | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) |
CPU | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
GPU graphical controller | ARM Mali-T860 MP2 520Mhz | Qualcomm Adreno 650 (250-587MHz) |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
RAM memory | 2GB LPDDR3 | 12GB LPDDR5 |
Internal storage | 32GB (22GB available) | 256GB (230GB available) UFS 3.0 |
External storage | Until 256GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 300/50 Mbps | 2000/1024 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
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 | CDMA 800, GSM 850/900/1800/1900 |
Primary 3G network | UMTS 2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 |
Primary 4G network | LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE | LTE Cat20 VoLTE Global version (MBU-H0): LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) China version (MBU-A0): LTE (1, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) |
Primary 5G network | Not supported | Global version (MBU-H0): SA/NSA (78) China version (MBU-A0): SA/NSA (41, 78, 79) |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
Secondary 4G network | Not supported | Not supported |
Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
Back camera (main camera) | 13 megapixels | (triple camera) 64 megapixels 13MP ultrawide f/2.3120° 5MP depth f/2.2 |
Main camera resolution | 4160x3120 pixels | 10120x6328 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
Flash | LED flash | LED flash |
Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | 26mm lens |
Sensor size | 1/3" inches | 1/1.72" inches |
Pixel size | 1.12µm pixel | 0.8µm pixel |
Autofocus | Autofocus | PDAF: phase detection 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 X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
Front camera (secondary) | 5 megapixels | 20 megapixels |
Front camera resolution | 2560x1920 pixels | 5184x3840 pixels |
Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.4 (aperture) | f/2.2 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | 1/5" inches | 1/3" inches |
Pixel size | 1.12µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
Loudspeaker | Supported | Supported |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM (RDS) | Not supported |
TV | Digital TV | Not supported |
Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | 3.5mm jack |
TV output | Not supported | USB Type-C (reversible) |
Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
NFC | Supported | Not supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 2800 mAh | 5000 mAh |
Charger, watts | Wired charging | 65W Wired fast charging Quick Charge 4 |
Inductive / wireless charging | feature not registered | Not supported |
Talk time autonomy | 9 hours | feature not registered |
Standby | 390 hours (16.3 days) | feature not registered |
➕ Other features | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
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, Gold • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • DMB-TV (Korea) | • Colors: Blasting Black, Armor Gray • Always-on display • Stereo speakers • Liquid Cooling System • Physical pop-up gaming triggers |
☢️ Radiation rate | ||
LG X400 (K121K) | Xiaomi Black Shark 3 Pro (256GB/12GB) | |
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 |