ZTE V821 vs Alcatel Idol 4S (6070O)
Side by side comparison between ZTE V821 vs Alcatel Idol 4S phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.5"
AMOLED
AMOLED
1440x2560
16
MP
MP
8mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Alcatel Idol 4S (6070O)
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!
3 Advantages 
25 Advantages | 7 Common items in both devices |
| Only digital zoom |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| FM / FM (RDS) |
| A-GPS, GeoTagging |
| MicroUSB 2.0 / MicroUSB 2.0, USB OTG On-The-Go |
| + 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 V821 | Alcatel Idol 4S (6070O) | |
| Change model | ||
| Model | ZTE V821 | Idol 4S (6070O) |
| Other model names | ZTE V821, ZTE GV821, ZTE GSM V821 Dual Chip, Dual SIM | Alcatel Idol 4S Single-Sim, Alcatel OT-6070o |
| Country or region available | feature not registered | feature not registered |
| Brand | ZTE | Alcatel |
| Release date | 6/1/2011 | 3/1/2016 |
| Depth | 12.4 millimeters (0.49 inches) | 7 millimeters (0.28 inches) |
| Size (width x height) | 61 x 110 millimeters (2.4 x 4.33 in) | 75.4 x 153.9 millimeters (2.97 x 6.06 in) |
| Weight | 120 grams (4.2 ounces) | 149 grams (5.22 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| Display type | CSTN - passive matrix | AMOLED |
| Screen size | 2.4" inches | 5.5" inches |
| Screen-to-body ratio | ~26.6% (screen-to-body ratio) | ~71.9% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 1440x2560 pixels |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 167 PPI | 534 PPI |
| Colors | 65 thousand | 16 million |
| 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 V821 | Alcatel Idol 4S (6070O) | |
| System version | Android 2.2.1 Froyo | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| Chipset | MediaTek MT6516 | 64bit: Qualcomm Snapdragon 652 MSM8976 (28nm) |
| CPU | Single-core, 1 processor: Single-core ARM926EJ-S rev 5 (Single-core) | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 510 600Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| RAM memory | feature not registered | 3GB LPDDR3 |
| Internal storage | 256MB (100MB available) | 32GB (23GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 0.236 Mbps | 150/50 Mbps |
| Network technology | 2G | 2G, 3G, 4G |
| 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 850/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (Bands 2, 4, 5, 7, 12, 17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS | Not supported |
📷 Camera | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| Back camera (main camera) | 2 megapixels | 16 megapixels |
| Main camera resolution | 1600x1200 pixels | 4608x3456 pixels |
| Video recording (primary) | QCIF (176x144) | 2K UHD (2560x1440) 30 fps |
| Flash | Not supported | Dual-LED on main camera and LED on front camera |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| Front camera (secondary) | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | feature not registered | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, AAC+ |
🔌 Connectivity | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| Battery type | Li-Ion: lithium-ion (Removable) Li3709T42P3h483757 | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 900 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 7.5 hours | 13 hours |
| Standby | 316.7 hours (13.2 days) | 420 hours (17.5 days) |
➕ Other features | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| Call control | Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS, MMS, E-mail | SMS, 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, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black on red • WiFi hotspot • Java framework | • Colors: Gold, Dark Gray, Silver, Rose Gold • USB OTG On-The-Go • LED notification (white light) • 2.5D Glass back panel • JBL earphones • Hi-Fi 3.6W dual-stereo • Front camera: Wide Angle 84° • Quick Charge 2.0 • Fast battery charging: 60% in 30min • Reversible phone • VR goggles compatible |
☢️ Radiation rate | ||
| ZTE V821 | Alcatel Idol 4S (6070O) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.16W/kg (head), 1.16W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |