Samsung Galaxy J7 Sky Pro (SM-S727VL) vs ZTE V821
Side by side comparison between Samsung Galaxy J7 Sky Pro vs ZTE V821 phones, differences, pros, cons and full specifications. What's the better?
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5.5"
IPS
IPS
720x1280
8
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3300
mAh
mAh
(Removable)
vs
What's the better phone? Samsung Galaxy J7 Sky Pro (SM-S727VL)
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!
24 Advantages 
3 Advantages | 7 Common items in both devices |
| Only digital zoom |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| A-GPS, GeoTagging, GLONASS / A-GPS, GeoTagging |
| MicroUSB 2.0, USB OTG On-The-Go / 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 | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| Change model | ||
| Model | Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 |
| Other model names | Galaxy J7 S727VL (TracFone) TFSAS727VCP (Straight Talk) | ZTE V821, ZTE GV821, ZTE GSM V821 Dual Chip, Dual SIM |
| Country or region available |  USA | feature not registered |
| Brand | Samsung | ZTE |
| Release date | 3/1/2017 | 6/1/2011 |
| Depth | 8.6 millimeters (0.34 inches) | 12.4 millimeters (0.49 inches) |
| Size (width x height) | 76.2 x 151.4 millimeters (3 x 5.96 in) | 61 x 110 millimeters (2.4 x 4.33 in) |
| Weight | 167 grams (5.85 ounces) | 120 grams (4.2 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| Display type | TFT IPS LCD | CSTN - passive matrix |
| Screen size | 5.5" inches | 2.4" inches |
| Screen-to-body ratio | ~72.3% (screen-to-body ratio) | ~26.6% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 320x240 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 267 PPI | 167 PPI |
| Colors | 16 million | 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 | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| System version | Android 6.0.1 Marshmallow | Android 2.2.1 Froyo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| Chipset | 64bit: Qualcomm Snapdragon 425 (MSM8917) (28nm) | MediaTek MT6516 |
| CPU | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: Single-core ARM926EJ-S rev 5 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 308 (500MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| RAM memory | 2GB LPDDR3 | feature not registered |
| Internal storage | 16GB (10GB available) eMMC 5.1 | 256MB (100MB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 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 Cat6 (Bands 2, 4, 5, 12, 66) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, 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 | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| Back camera (main camera) | 8 megapixels | 2 megapixels |
| Main camera resolution | 3264x2448 pixels | 1600x1200 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | QCIF (176x144) |
| Flash | LED flash | 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 | Autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo only main camera | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2560x1920 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | 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 | ||
| Galaxy J7 Sky Pro (SM-S727VL) | 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, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Gyroscope Hall effect Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) Li3709T42P3h483757 |
| Battery capacity | 3300 mAh | 900 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 31 hours (1.3 days) | 7.5 hours |
| Standby | feature not registered | 316.7 hours (13.2 days) |
➕ Other features | ||
| Galaxy J7 Sky Pro (SM-S727VL) | ZTE V821 | |
| Call control | Voice dialing, Voice recorder | 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 | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Fixed QWERTY keyboard |
| Miscellaneous | • Colors: Black • HAC M4/T3 | • Colors: Black on red • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Galaxy J7 Sky Pro (SM-S727VL) | 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 |