Xiaomi 14 Ultra (Global 512GB) vs LG K31 (K300QM)
Side by side comparison between Xiaomi 14 Ultra vs LG K31 phones, differences, pros, cons and full specifications. What's the better?
,
6.73"
AMOLED
AMOLED
1440x3200
50
MP
MP
32mp
16GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
5.7"
IPS
IPS
720x1520
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 14 Ultra (Global 512GB)
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!
39 Advantages 
5 Advantages | 14 Common items in both devices |
| LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| Capacitive |
| Multitouch |
| Accelerometer |
| Fingerprint sensor (under display) / Fingerprint sensor (rear-mounted) |
| LiPo: li-ion polymer (Non removable) / Li-Ion: lithium-ion (Non removable) |
| +7 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 | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| Model | Xiaomi 14 Ultra (Global 512GB) | K31 (K300QM) |
| Other model names | Xiaomi 14 Ultra | LG K31 (Unlocked), LMK300QMAUSASV, LM-K300Q |
| Country or region available |  (Global, International) |  USA |
| Brand | Xiaomi | LG |
| Release date | 2/22/2024 | 8/21/2020 |
| Depth | 9.2 millimeters (0.36 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 75.3 x 161.4 millimeters (2.96 x 6.35 in) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) |
| Weight | 220 grams (7.7 ounces) | 146 grams (5.11 ounces) |
| Build, materials | Aluminum frame, glass front, leather back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| Display type | LTPO AMOLED | TFT IPS LCD |
| Screen size | 6.73" inches | 5.7" inches |
| Screen-to-body ratio | ~90% (screen-to-body ratio) | ~77.1% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 720x1520 pixels (19:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 521 PPI | 295 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Dragon Crystal Glass | Panda King Glass |
| Refresh rate | 120Hz | 60Hz |
| Display features | 1000nits[typ], 3000nits[peak] Dolby Vision/HDR10+ 100% DCI-P3 12-bit Touch Sampling Rate: 240Hz | Not supported |
🤖 Operating System | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| System version | Android 14 | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | HyperOS | feature not registered |
⚙️ Processor | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Gen 3 (SM8650-AB) (4nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Octa-core, 4 processors: 1x 3.3GHz ARM Cortex-X4 (Single-core) 3x 3.15GHz ARM Cortex-A720 (Triple-core) 2x 2.96GHz ARM Cortex-A720 (Dual-core) 2x 2.26GHz ARM Cortex-A520 (Dual-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 750 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | AnTuTu: 2004190 (v10) | feature not registered |
💽 Memory and storage | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| RAM memory | 16GB LPDDR5X | 2GB LPDDR3 |
| Internal storage | 512GB (458GB available) UFS 4.0 | 32GB (17GB available) eMMC 5.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| 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 | CDMA 800, GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 66) TD-LTE (38, 40, 41, 42, 48) VoLTE | LTE Cat4 (2, 4, 5, 12, 13, 25, 26, 66, 71) TD-LTE (41) |
| Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 48, 66, 77, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | CDMA 800, GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 66) TD-LTE (38, 40, 41, 42, 48) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| Back camera (main camera) | (5 cameras) 50 megapixels 50MP telephoto f/1.875mm1/2.51"0.7µmPDAFOIS3.2x-optical-zoom 50MP periscope telephoto f/2.5120mm1/2.51"0.7µmPDAFOIS5x-optical-zoom 50MP ultrawide f/1.812mm122°1/2.51"0.7µm 0.3MP depth TOF3D | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm |
| Main camera resolution | 8160x6120 pixels | 4128x3096 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.6 (aperture) | f/1.8 (aperture) |
| Focal length | 23mm (lens) | 27mm (lens) |
| Sensor size | 1/1" inches | 1/3.1" inches |
| Pixel size | 1.6µm pixel | 1.12µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 8K@24/30fps 4K@24/30/60/120fps 1080p@30/60/120fps 1080p@240/480/960/1920fps Slow motion Leica Summilux HDR10+, 10-bit Dolby Vision, 10-bit LOG | feature not registered |
📸 Front camera | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| Front camera (secondary) | 32 megapixels | 5 megapixels |
| Front camera resolution | 6528x4896 pixels | 2560x1920 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 22mm (lens) | 24mm (lens) |
| Sensor size | 1/3.14" inches | 1/5" inches |
| Pixel size | 0.7µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res | Supported |
| 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 | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.4 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Fingerprint sensor (rear-mounted) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 3000 mAh |
| Charger, watts | 90W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | 80W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging | Not supported |
| Talk time autonomy | feature not registered | 11 hours |
| Standby | feature not registered | 528 hours (22 days) |
➕ Other features | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| 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: Black, White, Blue | • Colors: Silver • LG UX 9.1 |
☢️ Radiation rate | ||
| Xiaomi 14 Ultra (Global 512GB) | LG K31 (K300QM) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.61W/kg (head), 1.13W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |