HTC Desire X vs LG Viper 4G LTE (LS840)
Side by side comparison between HTC Desire X vs LG Viper 4G LTE phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? LG Viper 4G LTE (LS840)
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!
9 Advantages 
11 Advantages | 23 Common items in both devices |
| Until 32GB microSD, microSDHC |
| 16 million |
| 480x800 pixels |
| 233 PPI |
| 4" |
| (back) 5MP |
| LED flash |
| +16 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 | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| Change model | ||
| Model | Desire X | Viper 4G LTE (LS840) |
| Other model names | HTC Desire X, HTC Proto PM66100 | Sprint LG Viper LS840 CDMA + LTE |
| Country or region available |  (Global, International) |  USA |
| Brand | HTC | LG |
| Release date | 10/8/2012, Announced: 8/31/2012 | 4/22/2012 |
| Depth | 9.3 millimeters (0.37 inches) | 11.7 millimeters (0.46 inches) |
| Size (width x height) | 62.3 x 118.5 millimeters (2.45 x 4.67 in) | 62 x 116.6 millimeters (2.44 x 4.59 in) |
| Weight | 114 grams (3.99 ounces) | 142 grams (4.97 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| Display type | TFT Super LCD 2 | TFT NOVA IPS |
| Screen size | 4" inches | 4" inches |
| Screen-to-body ratio | ~61.7% (screen-to-body ratio) | ~63% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| System version | Android 4.0.4 Ice Cream Sandwich ICS | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | HTS Sense 4.1 UI | feature not registered |
⚙️ Processor | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| Chipset | 32bit: Qualcomm Snapdragon S4 Play (MSM8225) (45nm) | 32bit: Qualcomm Snapdragon MSM8660 |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A5 (Dual-core) | Dual-core, 1 processor: 2x 1.2GHz Scorpion (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 203 (320MHz) | Qualcomm Adreno 220 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| RAM memory | 768MB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 4GB (2GB available) eMMC 4.41 | 4GB (1.68GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 75/25 Mbps |
| Network technology | 2G, 3G | 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 | Global: UMTS 900/2100 America: UMTS 850/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | Not supported | LTE 1900 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | CDMA2000 EV-DO Rev A, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2560x1920 pixels |
| Video recording (primary) | WVGA (800x480) 30 fps | Full HD (1920x1080) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | 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 |
| Autofocus | 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 only main camera | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| Front camera (secondary) | Not supported | 0.3 megapixels |
| Front camera resolution | Not supported | 640x480 pixels |
| Video recording (secondary) | Not supported | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | 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 | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| Loudspeaker | Supported Beats audio | Supported |
| Active noise cancellation | 1 microphone | Not supported |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| Sensors | Accelerometer Ambient light sensor Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| Battery type | Li-Ion: lithium-ion (Removable) BL11100 | Li-Ion: lithium-ion (Removable) BL-44JS |
| Battery capacity | 1650 mAh | 1700 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 6 hours | 4.8 hours |
| Standby | 750 hours (31.3 days) | 290 hours (12.1 days) |
➕ Other features | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| Call control | Voice dialing, Voice recorder | 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 | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5, Flash player | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • Beats Audio sound enhancement • • HDR photo • SRS WOW HD sound • DLNA • Wi-Fi hotspot Java framework | • Colors: Black • 4GB microSD included Java framework |
☢️ Radiation rate | ||
| HTC Desire X | LG Viper 4G LTE (LS840) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.11W/kg (head), 0.63W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |