LG K8X (K300UM) vs Xiaomi Black Shark 4 Pro (128GB/8GB)
Side by side comparison between LG K8X vs Xiaomi Black Shark 4 Pro phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
IPS
IPS
720x1520
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Black Shark 4 Pro (128GB/8GB)
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!
5 Advantages 
31 Advantages | 21 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo on both cameras / HDR photo/video on both cameras |
| f/1.8 (aperture) |
| +14 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 K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| Change model | ||
| Model | K8X (K300UM) | Black Shark 4 Pro (128GB/8GB) |
| Other model names | LG K8X (U.S. Cellular), LMK300UMAUCLSV, LM-K300UM | 黑鲨4 PRO SHARK PAR-H0 |
| Country or region available |  USA |  (Global, International) |
| Brand | LG | Xiaomi |
| Release date | 8/21/2020 | 3/30/2021, Announced: 3/23/2021 |
| Depth | 8.6 millimeters (0.34 inches) | 9.9 millimeters (0.39 inches) |
| Size (width x height) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) | 76.35 x 163.83 millimeters (3.01 x 6.45 in) |
| Weight | 146 grams (5.11 ounces) | 220 grams (7.7 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, plastic back |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.7" inches | 6.67" inches |
| Screen-to-body ratio | ~77.1% (screen-to-body ratio) | ~85.9% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels (19:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 295 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Panda King Glass | Not supported |
| Refresh rate | 60Hz | 144Hz |
| Display features | Not supported | 1300nits[peak] HDR10+ Always-On Display Touch Sampling Rate: 720Hz |
🤖 Operating System | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| System version | Android 10 | Android 11 |
| Firmware update | feature not registered | Android 12 |
| User Interface | feature not registered | Joy UI 12 / 13 |
⚙️ Processor | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 827920 (v9) |
💽 Memory and storage | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| RAM memory | 2GB LPDDR3 | 8GB LPDDR5 |
| Internal storage | 16GB (7.5GB available) eMMC 5.1 | 128GB (103GB available) UFS 3.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| 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 | 150/50 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (2, 4, 5, 12, 14) | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 8, 28, 41, 77, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm | (triple camera) 64 megapixels 8MP ultrawide f/2.2120°1/4"1.12µm 5MP macro f/2.4AF |
| Main camera resolution | 4128x3096 pixels | 10120x6328 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 27mm (lens) | 26mm (lens) |
| Sensor size | 1/3.1" inches | 1/1.97" inches |
| Pixel size | 1.12µm pixel | 0.7µm pixel |
| Autofocus | PDAF: phase detection 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 | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) |
📸 Front camera | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| 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/2.2 (aperture) | f/2.5 (aperture) |
| Focal length | 24mm (lens) | feature not registered |
| Sensor size | 1/5" inches | feature not registered |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, 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 K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| USB | MicroUSB 2.0 | 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 | 5.0 + A2DP/LE | 5.2 + 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 | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| Sensors | Accelerometer Fingerprint sensor (rear-mounted) | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 4500 mAh |
| Charger, watts | Wired charging | 120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 11 hours | feature not registered |
| Standby | 528 hours (22 days) | feature not registered |
➕ Other features | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Silver • LG UX 9.1 | • Colors: Black, Grey, Blue, Silver, Cosmos Black • Liquid Cooling System • Physical pop-up gaming triggers |
☢️ Radiation rate | ||
| LG K8X (K300UM) | Xiaomi Black Shark 4 Pro (128GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.52W/kg (head), 0.94W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |