LG Viper 4G LTE (LS840) vs Xiaomi 12 Pro (256GB/12GB)
Side by side comparison between LG Viper 4G LTE vs Xiaomi 12 Pro phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.73"
AMOLED
AMOLED
1440x3200
50
MP
MP
32mp
12GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 12 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!
6 Advantages 
31 Advantages | 13 Common items in both devices |
| Autofocus / LDAF/PDAF: laser/phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| Hands-free calling |
| +6 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 Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| Change model | ||
| Model | Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) |
| Other model names | Sprint LG Viper LS840 CDMA + LTE | Xiaomi 12 Pro 5G (Snapdragon) 2201122G, 2201122C |
| Country or region available |  USA |  (Global, International) |
| Brand | LG | Xiaomi |
| Release date | 4/22/2012 | 12/31/2021, Announced: 12/28/2011 |
| Depth | 11.7 millimeters (0.46 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 62 x 116.6 millimeters (2.44 x 4.59 in) | 74.6 x 163.6 millimeters (2.94 x 6.44 in) |
| Weight | 142 grams (4.97 ounces) | 205 grams (7.18 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| Display type | TFT NOVA IPS | AMOLED |
| Screen size | 4" inches | 6.73" inches |
| Screen-to-body ratio | ~63% (screen-to-body ratio) | ~89.6% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 233 PPI | 521 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass Victus |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1000nits[typ], 1500nits[peak] Dolby Vision/HDR10+ |
🤖 Operating System | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| System version | Android 2.3.6 Gingerbread | Android 12 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | MIUI 13 |
⚙️ Processor | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| Chipset | 32bit: Qualcomm Snapdragon MSM8660 | 64bit: Qualcomm Snapdragon 8 Gen 1 (SM8450) (4nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz Scorpion (Dual-core) | Octa-core, 3 processors: 1x 3GHz ARM Cortex-X2 (Single-core) 3x 2.5GHz ARM Cortex-A710 (Triple-core) 4x 1.79GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 220 | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 985226 (v9) Geekbench: 3682 (v5.1) GFXBench: 46fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| RAM memory | 1GB LPDDR2 | 12GB LPDDR5 |
| Internal storage | 4GB (1.68GB available) | 256GB (218GB available) UFS 3.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 75/25 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE 1900 | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41, 42, 48) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) |
| Primary 5G network | Not supported | Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79) China version: SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79) |
| Primary data network | CDMA2000 EV-DO Rev A, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41, 42, 48) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| Back camera (main camera) | 5 megapixels | (triple camera) 50 megapixels 50MP telephoto f/1.950mmPDAF2x-optical-zoom 50MP ultrawide f/2.2115° |
| Main camera resolution | 2560x1920 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 24 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | feature not registered | 1/1.28" inches |
| Pixel size | feature not registered | 1.22µm pixel |
| Autofocus | Autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | Not supported | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@60fps 1080p@960fps Sony IMX707 Leica optics |
📸 Front camera | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| Front camera (secondary) | 0.3 megapixels | 32 megapixels |
| Front camera resolution | 640x480 pixels | 6528x4896 pixels |
| Video recording (secondary) | VGA (640x480) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.5 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 0.7µm pixel |
🔉 Sound and multimedia | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| Loudspeaker | Supported | Stereo sound with 4 speakers 24-bit/192kHz Dolby Atmos Tuned by Harman Kardon |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 3.0 + A2DP | 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 | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Supported | Supported |
| Infrared port | feature not registered | Supported |
🧭 Sensors | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) BL-44JS | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1700 mAh | 4600 mAh |
| Charger, watts | Wired charging | 120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 50W Qi wireless charging 10W Reverse wireless charging |
| Talk time autonomy | 4.8 hours | feature not registered |
| Standby | 290 hours (12.1 days) | feature not registered |
➕ Other features | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (Swype), 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • 4GB microSD included • Java framework | • Colors: Gray, Blue, Purple, Green • LiquidCool |
☢️ Radiation rate | ||
| LG Viper 4G LTE (LS840) | Xiaomi 12 Pro (256GB/12GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.09W/kg (head), 1.05W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.6W/kg (head), 1W/kg (body) |