ZTE Concord II vs LG Viper 4G LTE (LS840)
Side by side comparison between ZTE Concord II 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!
6 Advantages 
10 Advantages | 25 Common items in both devices |
| 1.2GHz 32bit Dual-core (28nm) |
| 1GB LPDDR2 |
| Until 32GB microSD, microSDHC |
| 16 million |
| 480x800 pixels |
| 233 PPI |
| 4" |
| +18 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 | ||
| ZTE Concord II | LG Viper 4G LTE (LS840) | |
| Change model | ||
| Model | Concord II | Viper 4G LTE (LS840) |
| Other model names | MetroPCS ZTE Concord 2 Z730, ZTE Z730 | Sprint LG Viper LS840 CDMA + LTE |
| Country or region available |  (Global, International) |  USA |
| Brand | ZTE | LG |
| Release date | 5/1/2014 | 4/22/2012 |
| Depth | 11 millimeters (0.43 inches) | 11.7 millimeters (0.46 inches) |
| Size (width x height) | 65 x 126 millimeters (2.56 x 4.96 in) | 62 x 116.6 millimeters (2.44 x 4.59 in) |
| Weight | 125 grams (4.38 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 | ||
| ZTE Concord II | LG Viper 4G LTE (LS840) | |
| Display type | TFT LCD | TFT NOVA IPS |
| Screen size | 4" inches | 4" inches |
| Screen-to-body ratio | ~55.6% (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 | Gorilla Glass 2 | Gorilla Glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| ZTE Concord II | LG Viper 4G LTE (LS840) | |
| System version | Android 4.3 Jelly Bean | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| ZTE Concord II | LG Viper 4G LTE (LS840) | |
| Chipset | 32bit: Qualcomm Snapdragon 200 (MSM8210) (28nm) | 32bit: Qualcomm Snapdragon MSM8660 |
| CPU | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A7 (Dual-core) | Dual-core, 1 processor: 2x 1.2GHz Scorpion (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 302 (400MHz) | Qualcomm Adreno 220 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| ZTE Concord II | LG Viper 4G LTE (LS840) | |
| RAM memory | 1GB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 4GB (1.49GB available) eMMC 4.5 | 4GB (1.68GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| ZTE Concord II | 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 | 21/5.76 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 850/1900 | 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 | ||
| ZTE Concord II | LG Viper 4G LTE (LS840) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2560x1920 pixels |
| Video recording (primary) | HD (1280x720) | 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 | Face detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| ZTE Concord II | 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 | ||
| ZTE Concord II | LG Viper 4G LTE (LS840) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 1 microphone | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, 3GP | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, AAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| ZTE Concord II | 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 | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| ZTE Concord II | LG Viper 4G LTE (LS840) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE Concord II | LG Viper 4G LTE (LS840) | |
| Battery type | LiPo: li-ion polymer (Removable) | Li-Ion: lithium-ion (Removable) BL-44JS |
| Battery capacity | 1820 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 | 250 hours (10.4 days) | 290 hours (12.1 days) |
➕ Other features | ||
| ZTE Concord II | 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 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • LED notification HAC M3/T3 Java framework | • Colors: Black • 4GB microSD included Java framework |
☢️ Radiation rate | ||
| ZTE Concord II | 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 |