LG Optimus G (LS970) vs ZTE V821
Side by side comparison between LG Optimus G vs ZTE V821 phones, differences, pros, cons and full specifications. What's the better?
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4.7"
IPS+
IPS+
768x1280
13.2
MP
MP
1.3mp
2GB
RAM
RAM
Quad-core
2100
mAh
mAh
(Non removable)
vs
What's the better phone? LG Optimus G (LS970)
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!
25 Advantages 
5 Advantages | 6 Common items in both devices |
| Only digital zoom |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| A-GPS, GeoTagging, GLONASS / A-GPS, GeoTagging |
| MicroUSB 2.0 |
| + 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 | ||
| LG Optimus G (LS970) | ZTE V821 | |
| Model | Optimus G (LS970) | ZTE V821 |
| Other model names | Sprint LG Eclipse 4G LTE, LG Optimus G, LG LS970 | ZTE V821, ZTE GV821, ZTE GSM V821 Dual Chip, Dual SIM |
| Country or region available |  USA | feature not registered |
| Brand | LG | ZTE |
| Release date | 11/11/2012 | 6/1/2011 |
| Depth | 8.5 millimeters (0.33 inches) | 12.4 millimeters (0.49 inches) |
| Size (width x height) | 68.9 x 131.9 millimeters (2.71 x 5.19 in) | 61 x 110 millimeters (2.4 x 4.33 in) |
| Weight | 145 grams (5.08 ounces) | 120 grams (4.2 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus G (LS970) | ZTE V821 | |
| Display type | TFT Super IPS+ | CSTN - passive matrix |
| Screen size | 4.7" inches | 2.4" inches |
| Screen-to-body ratio | ~69.2% (screen-to-body ratio) | ~26.6% (screen-to-body ratio) |
| Display resolution | 768x1280 pixels | 320x240 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 318 PPI | 167 PPI |
| Colors | 16 million | 65 thousand |
| Scratch-resistant glass | feature not registered | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG Optimus G (LS970) | ZTE V821 | |
| System version | Android 4.0.4 Ice Cream Sandwich ICS | Android 2.2.1 Froyo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus G (LS970) | ZTE V821 | |
| Chipset | 32bit: Qualcomm Snapdragon S4 Pro (APQ8064) (28nm) | MediaTek MT6516 |
| CPU | Quad-core, 1 processor: 4x 1.5GHz Krait 300 (Quad-core) | Single-core, 1 processor: Single-core ARM926EJ-S rev 5 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 320 (400MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus G (LS970) | ZTE V821 | |
| RAM memory | 2GB LPDDR2 | feature not registered |
| Internal storage | 32GB (25GB available) | 256MB (100MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus G (LS970) | ZTE V821 | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 100/50 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO, UMTS 850/1900 | Not supported |
| Primary 4G network | LTE 1900 | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS |
📷 Camera | ||
| LG Optimus G (LS970) | ZTE V821 | |
| Back camera (main camera) | 13.2 megapixels | 2 megapixels |
| Main camera resolution | 4192x3144 pixels | 1600x1200 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | QCIF (176x144) |
| Flash | LED flash | Not supported |
| Focal aperture | f/2.4 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.2" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | feature not registered |
| BSI sensor | Supported | feature not registered |
| HDR | HDR photo only main camera | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus G (LS970) | ZTE V821 | |
| Front camera (secondary) | 1.3 megapixels | Not supported |
| Front camera resolution | 1280x1024 pixels | Not supported |
| Video recording (secondary) | HD (1280x720) | Not supported |
| 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 | ||
| LG Optimus G (LS970) | ZTE V821 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, WMV, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WMA, WAV, eAAC+, FLAC, AC3 | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| LG Optimus G (LS970) | ZTE V821 | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 4.0 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | feature not registered | feature not registered |
🧭 Sensors | ||
| LG Optimus G (LS970) | ZTE V821 | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus G (LS970) | ZTE V821 | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) Li3709T42P3h483757 |
| Battery capacity | 2100 mAh | 900 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 13 hours | 7.5 hours |
| Standby | feature not registered | 316.7 hours (13.2 days) |
➕ Other features | ||
| LG Optimus G (LS970) | ZTE V821 | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5, Flash player | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Fixed QWERTY keyboard |
| Miscellaneous | • Colors: Black • Dual-mode CDMA/GSM phone • LG Optimus UI v3.0 • G2 Touch Hybrid Glass screen • 3G/4G mobile hotspot Java framework | • Colors: Black on red • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| LG Optimus G (LS970) | ZTE V821 | |
| 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 |