Xiaomi Mix 4 (128GB) vs LG Volt 2 (LS751)
Side by side comparison between Xiaomi Mix 4 vs LG Volt 2 phones, differences, pros, cons and full specifications. What's the better?
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6.67"
AMOLED
AMOLED
1080x2400
108
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Mix 4 (128GB)
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!
32 Advantages 
5 Advantages | 11 Common items in both devices |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| (front) Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| +4 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 Mix 4 (128GB) | LG Volt 2 (LS751) | |
| Model | Mix 4 (128GB) | Volt 2 (LS751) |
| Other model names | 小米MIX 4 2106118C (8GB RAM) | Boost Mobile LG Volt 2 LTE, LG LS751 |
| Country or region available |  (Global, International) |  USA |
| Brand | Xiaomi | LG |
| Release date | 8/16/2021, Announced: 8/10/2021 | 6/29/2015 |
| Depth | 8 millimeters (0.31 inches) | 10.2 millimeters (0.4 inches) |
| Size (width x height) | 75.35 x 162.65 millimeters (2.97 x 6.4 in) | 69.85 x 139.7 millimeters (2.75 x 5.5 in) |
| Weight | 225 grams (7.88 ounces) | 136 grams (4.76 ounces) |
| Build, materials | Aluminum body, glass front, ceramic back | feature not registered |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| Display type | AMOLED | TFT IPS LCD |
| Screen size | 6.67" inches | 5" inches |
| Screen-to-body ratio | ~87.6% (screen-to-body ratio) | ~70.6% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 294 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | Dolby Vision/HDR10+ Touch Sampling Rate: 480Hz | feature not registered |
🤖 Operating System | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| System version | Android 11 | Android 5.1 Lollipop |
| Firmware update | Android 13 | feature not registered |
| User Interface | MIUI 12.5 / 13 | feature not registered |
⚙️ Processor | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| Chipset | 64bit: Qualcomm Snapdragon 888+ (SM8350-AC) (5nm) | 64bit: Qualcomm Snapdragon 410 MSM8916 (28nm) |
| CPU | Octa-core, 3 processors: 1x 3GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | Qualcomm Adreno 306 450Mhz |
| Performance (benchmark) | AnTuTu: 798010 (v9) | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| RAM memory | 8GB LPDDR5 | 1GB |
| Internal storage | 128GB (101GB available) UFS 3.1 | 8GB (3.39GB available) eMMC 4.5 |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 100/50 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 | Not supported |
| Primary 2G network | CDMA 800, GSM 850/900/1800/1900 | CDMA 800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | LTE Cat3 700/850/1700/1900/2100 (Bands 2,4,5,12,25,26), TD-LTE 2500 (Bands 41) |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 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 | CDMA2000 EV-DO Rev A, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| Back camera (main camera) | (triple camera) 108 megapixels 13MP ultrawide f/2.212mm123°1/3.06"1.12µm 8MP periscope telephoto f/4.1120mmPDAFOIS5x-optical-zoom | 8 megapixels |
| Main camera resolution | 12000x9000 pixels | 3264x2448 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | feature not registered |
| Focal length | 24mm lens | feature not registered |
| Sensor size | 1/1.33" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo only main camera |
| Camera extras | 4K@30/60fps 1080p@30/60/120/480fps | feature not registered |
📸 Front camera | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| Front camera (secondary) | 20 megapixels | 5 megapixels |
| Front camera resolution | 5184x3840 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/3.4 (aperture) | feature not registered |
| Focal length | 27mm lens | feature not registered |
| Sensor size | 1/0.8" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Tuned by Harman Kardon | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| 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 Mix 4 (128GB) | LG Volt 2 (LS751) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Heart rate Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4500 mAh | 2540 mAh |
| Charger, watts | 120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | 50W Qi wireless charging 10W Reverse wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 21 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Ceramic Black, Ceramic White, Shadow Gray • Silicone case included • Screen protector included | • Colors: Black • Knock Code • WiFi hotspot |
☢️ Radiation rate | ||
| Xiaomi Mix 4 (128GB) | LG Volt 2 (LS751) | |
| 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 |