Umidigi A11 Pro Max (128GB/4GB) vs LG Viper 4G LTE (LS840)
Side by side comparison between Umidigi A11 Pro Max vs LG Viper 4G LTE phones, differences, pros, cons and full specifications. What's the better?
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6.8"
IPS
IPS
1080x2460
48
MP
MP
24mp
4GB
RAM
RAM
Octa-core
5150
mAh
mAh
(Non removable)
vs
What's the better phone? Umidigi A11 Pro Max (128GB/4GB)
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!
26 Advantages 
5 Advantages | 18 Common items in both devices |
| TFT IPS LCD / TFT NOVA IPS |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Full HD (1920x1080) |
| 4G LTE-A / 4G LTE |
| Capacitive |
| +11 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 | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| Model | A11 Pro Max (128GB/4GB) | Viper 4G LTE (LS840) |
| Other model names | UMIDIGI A11 Pro Max (4GB RAM) | Sprint LG Viper LS840 CDMA + LTE |
| Country or region available |  (Global, International) |  USA |
| Brand | Umidigi | LG |
| Release date | 8/1/2021 | 4/22/2012 |
| Depth | 8.6 millimeters (0.34 inches) | 11.7 millimeters (0.46 inches) |
| Size (width x height) | 75.6 x 167.8 millimeters (2.98 x 6.61 in) | 62 x 116.6 millimeters (2.44 x 4.59 in) |
| Weight | 225 grams (7.88 ounces) | 142 grams (4.97 ounces) |
| Build, materials | Aluminum body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| Display type | TFT IPS LCD | TFT NOVA IPS |
| Screen size | 6.8" inches | 4" inches |
| Screen-to-body ratio | ~86.6% (screen-to-body ratio) | ~63% (screen-to-body ratio) |
| Display resolution | 1080x2460 pixels (20.5:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| System version | Android 11 | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| Chipset | 64bit: MediaTek Helio G80 (MT6769V/CU) (12nm) | 32bit: Qualcomm Snapdragon MSM8660 |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Dual-core, 1 processor: 2x 1.2GHz Scorpion (Dual-core) |
| GPU graphical controller | ARM Mali-G52 MC2 (950MHz) | Qualcomm Adreno 220 |
| Performance (benchmark) | AnTuTu: 194559 (v9) | feature not registered |
💽 Memory and storage | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| RAM memory | 4GB LPDDR4X | 1GB LPDDR2 |
| Internal storage | 128GB (108GB available) eMMC 5.1 | 4GB (1.68GB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 600/150 Mbps | 75/25 Mbps |
| Network technology | 2G, 3G, 4G | 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 TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41) VoLTE | LTE 1900 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | 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 | 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 Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| Back camera (main camera) | (triple camera) 48 megapixels 16MP ultrawide f/2.2120° 2MP macro f/2.4 | 5 megapixels |
| Main camera resolution | 8000x6000 pixels | 2560x1920 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 24 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | Sony IMX582 sensor Infrared temperature sensor | feature not registered |
📸 Front camera | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| Front camera (secondary) | 24 megapixels | 0.3 megapixels |
| Front camera resolution | 5632x4224 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | Not supported |
| 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, WMA, eAAC+ |
🔌 Connectivity | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) BL-44JS |
| Battery capacity | 5150 mAh | 1700 mAh |
| Charger, watts | 10W Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 4.8 hours |
| Standby | feature not registered | 290 hours (12.1 days) |
➕ Other features | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Frost Grey, Mist Blue | • Colors: Black • 4GB microSD included • Java framework |
☢️ Radiation rate | ||
| Umidigi A11 Pro Max (128GB/4GB) | LG Viper 4G LTE (LS840) | |
| 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 |