ZTE X990D (Dual-sim) vs ZTE V821
Side by side comparison between ZTE X990 vs ZTE V821 phones, differences, pros, cons and full specifications. What's the better?
,
vs
What's the better phone? ZTE V821
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!
4 Advantages 
7 Advantages | 15 Common items in both devices |
| 320x240 pixels |
| 167 PPI |
| 2.4" |
| (back) 2MP |
| Only digital zoom |
| QCIF (176x144) |
| 2G EDGE |
| +8 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 X990D (Dual-sim) | ZTE V821 | |
| Model | X990D (Dual-sim) | ZTE V821 |
| Other model names | ZTE X990 Dual-sim | ZTE V821, ZTE GV821, ZTE GSM V821 Dual Chip, Dual SIM |
| Country or region available | feature not registered | feature not registered |
| Brand | ZTE | ZTE |
| Release date | 5/1/2010 | 6/1/2011 |
| Depth | 11.8 millimeters (0.46 inches) | 12.4 millimeters (0.49 inches) |
| Size (width x height) | 60.8 x 106.8 millimeters (2.39 x 4.2 in) | 61 x 110 millimeters (2.4 x 4.33 in) |
| Weight | 95 grams (3.33 ounces) | 120 grams (4.2 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| Display type | TFT LCD | CSTN - passive matrix |
| Screen size | 2.4" inches | 2.4" inches |
| Screen-to-body ratio | ~27.5% (screen-to-body ratio) | ~26.6% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 320x240 pixels |
| Touchscreen | Not supported | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 167 PPI | 167 PPI |
| Colors | 260 thousand | 65 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| System version | Proprietary OS | Android 2.2.1 Froyo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| Chipset | feature not registered | MediaTek MT6516 |
| CPU | Single-core, 1 processor: Single-core | Single-core, 1 processor: Single-core ARM926EJ-S rev 5 (Single-core) |
| GPU graphical controller | feature not registered | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| RAM memory | feature not registered | feature not registered |
| Internal storage | 128MB (50MB available) | 256MB (100MB available) |
| External storage | Until 8GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 0.236 Mbps | 0.236 Mbps |
| Network technology | 2G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Dual-Band 900/1800 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE |
| Secondary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS | GPRS |
📷 Camera | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| Back camera (main camera) | 2 megapixels | 2 megapixels |
| Main camera resolution | 1600x1200 pixels | 1600x1200 pixels |
| Video recording (primary) | QCIF (176x144) | QCIF (176x144) |
| 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 |
| Autofocus | Not supported | Not supported |
| Touch focus | feature not registered | feature not registered |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | feature not registered |
| BSI sensor | feature not registered | feature not registered |
| HDR | feature not registered | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | 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 | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | feature not registered |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 2.1 + A2DP |
| WiFi | Not supported | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | feature not registered | feature not registered |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | feature not registered |
🧭 Sensors | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| Sensors | Not supported | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) Li3709T42P3h483757 |
| Battery capacity | 900 mAh | 900 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 8 hours | 7.5 hours |
| Standby | 500 hours (20.8 days) | 316.7 hours (13.2 days) |
➕ Other features | ||
| ZTE X990D (Dual-sim) | ZTE V821 | |
| Call control | Voice recorder | Voice recorder |
| Messaging | SMS, MMS, E-mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | WAP, HTML | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Fixed QWERTY keyboard |
| Miscellaneous | • Colors: Black, White • Java framework | • Colors: Black on red • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| ZTE X990D (Dual-sim) | 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 |