LG Quantum (C900K) vs Xiaomi Poco X4 Pro (India 128GB/8GB)
Side by side comparison between LG Quantum vs Xiaomi Poco X4 Pro phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
16mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Poco X4 Pro (India 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!
3 Advantages 
30 Advantages | 16 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| +9 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 Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| Change model | ||
| Model | Quantum (C900K) | Poco X4 Pro (India 128GB/8GB) |
| Other model names | AT&T LG Quantum C900K, LG-C900K, LG Pacific | POCO X4 Pro 5G (64MP camera), MZB0AWDIN |
| Country or region available | feature not registered |  India |
| Brand | LG | Xiaomi |
| Release date | 11/9/2010 | 3/23/2022, Announced: 2/28/2022 |
| Depth | 15.2 millimeters (0.6 inches) | 8.12 millimeters (0.32 inches) |
| Size (width x height) | 59.5 x 119.5 millimeters (2.34 x 4.7 in) | 76.1 x 164.19 millimeters (3 x 6.46 in) |
| Weight | 176 grams (6.16 ounces) | 205 grams (7.18 ounces) |
| Build, materials | feature not registered | Plastic body, glass front/back |
| Protection against water and others | Not supported | IP53 certified: protection against dust and splashing |
📲 Display | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| Display type | TFT LCD | AMOLED |
| Screen size | 3.5" inches | 6.67" inches |
| Screen-to-body ratio | ~49% (screen-to-body ratio) | ~86% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 700nits[typ], 1200nits[peak] DCI-P3 Touch rate: 360Hz |
🤖 Operating System | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| System version | Windows Phone 7.0 | Android 11 |
| Firmware update | Windows Phone 7.5 Refresh Tango | feature not registered |
| User Interface | feature not registered | MIUI 13 for POCO |
⚙️ Processor | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| Chipset | 32bit: Qualcomm Snapdragon S1 QSD8650 | 64bit: Qualcomm Snapdragon 695 (SM6375) (6nm) |
| CPU | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 619 (840MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 335353 (v8), 384646 (v9) Geekbench: 2063 (v5.1) GFXBench: 17fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| RAM memory | 512MB | 8GB LPDDR4X |
| Internal storage | 16GB | 128GB (101GB available) UFS 2.2 |
| External storage | Not supported | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2/2 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G | 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat15 (1, 3, 5, 8) TD-LTE (40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 5, 8, 28, 40, 78) |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, 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 850/900/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat15 (1, 3, 5, 8) TD-LTE (40, 41) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| Back camera (main camera) | 5 megapixels | (triple camera) 64 megapixels 8MP ultrawide f/2.2118°1/4"1.12µm 2MP macro f/2.4 |
| Main camera resolution | 2560x1920 pixels | 10120x6328 pixels |
| Video recording (primary) | HD (1280x720) 24 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 0.7µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| Front camera (secondary) | Not supported | 16 megapixels |
| Front camera resolution | Not supported | 4608x3456 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.5 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 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 | 2.1 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1500 mAh | 5000 mAh |
| Charger, watts | Wired charging | 67W Wired fast charging Quick Charge 3+ USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 7 hours | feature not registered |
| Standby | 350 hours (14.6 days) | feature not registered |
➕ Other features | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| Call control | 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 | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black • Bing Maps | • Colors: Laser Black, Laser Blue, Poco Yellow |
☢️ Radiation rate | ||
| LG Quantum (C900K) | Xiaomi Poco X4 Pro (India 128GB/8GB) | |
| 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 |