Sony Xperia TX (LT29i) vs LG Viper 4G LTE (LS840)
Side by side comparison between Sony Xperia TX vs LG Viper 4G LTE phones, differences, pros, cons and full specifications. What's the better?
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4.55"
TFT
TFT
720x1280
13.2
MP
MP
1.3mp
1GB
RAM
RAM
Dual-core
1750
mAh
mAh
(Non removable)
vs
What's the better phone? Sony Xperia TX (LT29i)
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!
19 Advantages 
4 Advantages | 23 Common items in both devices |
| 1GB LPDDR2 |
| Until 32GB microSD, microSDHC |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| Full HD (1920x1080) |
| +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 | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| Change model | ||
| Model | Xperia TX (LT29i) | Viper 4G LTE (LS840) |
| Other model names | Sony Xperia TX LT29, Sony Hayabusa | Sprint LG Viper LS840 CDMA + LTE |
| Country or region available |  (Global, International) |  USA |
| Brand | Sony | LG |
| Release date | 10/1/2012 | 4/22/2012 |
| Depth | 8.6 millimeters (0.34 inches) | 11.7 millimeters (0.46 inches) |
| Size (width x height) | 68.6 x 131 millimeters (2.7 x 5.16 in) | 62 x 116.6 millimeters (2.44 x 4.59 in) |
| Weight | 127 grams (4.45 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 | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| Display type | TFT LCD | TFT NOVA IPS |
| Screen size | 4.55" inches | 4" inches |
| Screen-to-body ratio | ~63.5% (screen-to-body ratio) | ~63% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 323 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | ShatterShield | Gorilla Glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Sony Mobile BRAVIA Engine | feature not registered |
🤖 Operating System | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| System version | Android 4.0.4 Ice Cream Sandwich ICS | Android 2.3.6 Gingerbread |
| Firmware update | Android 4.1.2 Jelly Bean | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| Chipset | 32bit: Qualcomm Snapdragon S4 Plus (MSM8260A) (28nm) | 32bit: Qualcomm Snapdragon MSM8660 |
| CPU | Dual-core, 1 processor: 2x 1.5GHz Krait (Dual-core) | Dual-core, 1 processor: 2x 1.2GHz Scorpion (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 225 (400MHz) | Qualcomm Adreno 220 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| RAM memory | 1GB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 16GB (11GB available) | 4GB (1.68GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 42/5.76 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 | UMTS 850/900/1700/1900/2100 | 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, HSPA+ | 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 | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| Back camera (main camera) | 13.2 megapixels | 5 megapixels |
| Main camera resolution | 4192x3144 pixels | 2560x1920 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.4 (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 |
| 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 | Supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | 16x digital zoom 3D sweep panorama | feature not registered |
📸 Front camera | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| Front camera (secondary) | 1.3 megapixels | 0.3 megapixels |
| Front camera resolution | 1280x1024 pixels | 640x480 pixels |
| Video recording (secondary) | HD (1280x720) | 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 | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV, H.264, H.263 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 3.1 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) BL-44JS |
| Battery capacity | 1750 mAh | 1700 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 6.7 hours | 4.8 hours |
| Standby | 400 hours (16.7 days) | 290 hours (12.1 days) |
➕ Other features | ||
| Sony Xperia TX (LT29i) | 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, Flash player | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Pink PlayNow Java framework | • Colors: Black • 4GB microSD included Java framework |
☢️ Radiation rate | ||
| Sony Xperia TX (LT29i) | LG Viper 4G LTE (LS840) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.08W/kg (head), 0.81W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 1.09W/kg (head) | feature not registered |