Xiaomi Poco F4 GT (256GB) vs LG Viper 4G LTE (LS840)
Side by side comparison between Xiaomi Poco F4 GT vs LG Viper 4G LTE phones, differences, pros, cons and full specifications. What's the better?
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6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
20mp
12GB
RAM
RAM
Octa-core
4700
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Poco F4 GT (256GB)
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 
6 Advantages | 11 Common items in both devices |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| 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 Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| Model | Poco F4 GT (256GB) | Viper 4G LTE (LS840) |
| Other model names | POCO F4 GT 21121210G (12GB RAM) | Sprint LG Viper LS840 CDMA + LTE |
| Country or region available |  (Global, International) |  USA |
| Brand | Xiaomi | LG |
| Release date | 4/27/2022, Announced: 4/26/2022 | 4/22/2012 |
| Depth | 8.5 millimeters (0.33 inches) | 11.7 millimeters (0.46 inches) |
| Size (width x height) | 76.7 x 162.5 millimeters (3.02 x 6.4 in) | 62 x 116.6 millimeters (2.44 x 4.59 in) |
| Weight | 210 grams (7.35 ounces) | 142 grams (4.97 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| Display type | AMOLED | TFT NOVA IPS |
| Screen size | 6.67" inches | 4" inches |
| Screen-to-body ratio | ~86.2% (screen-to-body ratio) | ~63% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 233 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass |
| Refresh rate | 120Hz | feature not registered |
| Display features | 800nits[typ] HDR10+ DCI-P3 | feature not registered |
🤖 Operating System | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| System version | Android 12 | Android 2.3.6 Gingerbread |
| Firmware update | Android 13 | feature not registered |
| User Interface | MIUI 13 / 14 | feature not registered |
⚙️ Processor | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Gen 1 (SM8450) (4nm) | 32bit: Qualcomm Snapdragon MSM8660 |
| CPU | 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) | Dual-core, 1 processor: 2x 1.2GHz Scorpion (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 730 (818MHz) | Qualcomm Adreno 220 |
| Performance (benchmark) | AnTuTu: 952124 (v9) Geekbench: 3637 (v5.4) | feature not registered |
💽 Memory and storage | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| RAM memory | 12GB LPDDR5 | 1GB LPDDR2 |
| Internal storage | 256GB (218GB available) UFS 3.1 | 4GB (1.68GB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| 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) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 75/25 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 | GSM 850/900/1800/1900 | CDMA 800/1900 |
| Primary 3G network | UMTS 800/850/900/1700/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (38, 40, 41) VoLTE | LTE 1900 |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, 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 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| Back camera (main camera) | (triple camera) 64 megapixels 8MP ultrawide f/2.2120° 2MP macro f/2.4 | 5 megapixels |
| Main camera resolution | 10120x6328 pixels | 2560x1920 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 24 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/1.73" 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 | Supported | Not supported |
| HDR | HDR photo/video on both cameras | Not supported |
| Camera extras | 1080p@120fps 720p@960fps | feature not registered |
📸 Front camera | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| Front camera (secondary) | 20 megapixels | 0.3 megapixels |
| Front camera resolution | 5184x3840 pixels | 640x480 pixels |
| Video recording (secondary) | Not supported | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (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 |
🔉 Sound and multimedia | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos Hi-Res Audio Tuned by JBL | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | 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 | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| USB | USB 2.0 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 | 5.2 + A2DP/LE | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging |
| NFC | Supported | Supported |
| Infrared port | Supported | feature not registered |
🧭 Sensors | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Virtual proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) BL-44JS |
| Battery capacity | 4700 mAh | 1700 mAh |
| Charger, watts | 120W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 | 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 | ||
| Xiaomi Poco F4 GT (256GB) | 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: Stealth Black, Knight Silver, Cyber Yellow • Physical magnetic pop-up gaming triggers • LiquidCool Technology 3.0 | • Colors: Black • 4GB microSD included • Java framework |
☢️ Radiation rate | ||
| Xiaomi Poco F4 GT (256GB) | LG Viper 4G LTE (LS840) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.09W/kg (head), 0.99W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.59W/kg (head), 0.96W/kg (body) | feature not registered |