Samsung Galaxy S4 Zoom (4G SM-C105A) vs ZTE V821
Side by side comparison between Samsung Galaxy S4 Zoom vs ZTE V821 phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
AMOLED
AMOLED
540x960
16
MP
MP
2mp
1.5GB
RAM
RAM
Dual-core
2330
mAh
mAh
(Removable)
vs
What's the better phone? Samsung Galaxy S4 Zoom (4G SM-C105A)
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!
27 Advantages 
4 Advantages | 6 Common items in both devices |
| 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 S4 Zoom (4G SM-C105A) | ZTE V821 | |
| Model | Galaxy S4 Zoom (4G SM-C105A) | ZTE V821 |
| Other model names | Galaxy S4 Zoom LTE SM-C105A (AT&T) | ZTE V821, ZTE GV821, ZTE GSM V821 Dual Chip, Dual SIM |
| Country or region available |  USA | feature not registered |
| Brand | Samsung | ZTE |
| Release date | 11/1/2013, Announced: 6/30/2013 | 6/1/2011 |
| Depth | 15.4 millimeters (0.61 inches) | 12.4 millimeters (0.49 inches) |
| Size (width x height) | 63.5 x 125.5 millimeters (2.5 x 4.94 in) | 61 x 110 millimeters (2.4 x 4.33 in) |
| Weight | 208 grams (7.28 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 S4 Zoom (4G SM-C105A) | ZTE V821 | |
| Display type | Super AMOLED | CSTN - passive matrix |
| Screen size | 4.3" inches | 2.4" inches |
| Screen-to-body ratio | ~64% (screen-to-body ratio) | ~26.6% (screen-to-body ratio) |
| Display resolution | 540x960 pixels (16:9) | 320x240 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 256 PPI | 167 PPI |
| Colors | 16 million | 65 thousand |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy S4 Zoom (4G SM-C105A) | ZTE V821 | |
| System version | Android 4.2.2 Jelly Bean | Android 2.2.1 Froyo |
| Firmware update | Android 4.4.2 KitKat | feature not registered |
| User Interface | TouchWiz UI | feature not registered |
⚙️ Processor | ||
| Galaxy S4 Zoom (4G SM-C105A) | ZTE V821 | |
| Chipset | 32bit: Samsung Exynos 4212 (32nm) | MediaTek MT6516 |
| CPU | Dual-core, 1 processor: 2x 1.5GHz ARM Cortex-A9 (Dual-core) | Single-core, 1 processor: Single-core ARM926EJ-S rev 5 (Single-core) |
| GPU graphical controller | ARM Mali-400 MP4 (400MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S4 Zoom (4G SM-C105A) | ZTE V821 | |
| RAM memory | 1.5GB LPDDR2 | feature not registered |
| Internal storage | 16GB (13GB available) eMMC 4.41 | 256MB (100MB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S4 Zoom (4G SM-C105A) | 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | Not supported |
| Primary 4G network | LTE Cat3 (2, 4, 5, 17) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, 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 S4 Zoom (4G SM-C105A) | ZTE V821 | |
| Back camera (main camera) | 16 megapixels | 2 megapixels |
| Main camera resolution | 4608x3456 pixels | 1600x1200 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | QCIF (176x144) |
| Flash | Xenon flash | Not supported |
| Focal aperture | f/3.1 (aperture) | feature not registered |
| Focal length | 24mm (lens) | feature not registered |
| Sensor size | 1/2.3" inches | feature not registered |
| Pixel size | 1.3µm pixel | feature not registered |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Supported | feature not registered |
| HDR | HDR photo only main camera | feature not registered |
| Camera extras | 10x-optical-zoom (24-240mm) | feature not registered |
📸 Front camera | ||
| Galaxy S4 Zoom (4G SM-C105A) | ZTE V821 | |
| Front camera (secondary) | 2 megapixels | Not supported |
| Front camera resolution | 1600x1200 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 | ||
| Galaxy S4 Zoom (4G SM-C105A) | ZTE V821 | |
| Loudspeaker | Mono sound (not stereo) | 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 S4 Zoom (4G SM-C105A) | ZTE V821 | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | 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) + MIMO WiFi Direct, hotspot | 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 | Supported | feature not registered |
🧭 Sensors | ||
| Galaxy S4 Zoom (4G SM-C105A) | ZTE V821 | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S4 Zoom (4G SM-C105A) | ZTE V821 | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) Li3709T42P3h483757 |
| Battery capacity | 2330 mAh | 900 mAh |
| Charger, watts | 10W Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 12 hours | 7.5 hours |
| Standby | 570 hours (23.8 days) | 316.7 hours (13.2 days) |
➕ Other features | ||
| Galaxy S4 Zoom (4G SM-C105A) | ZTE V821 | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (Swype), 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: White • Dropbox 50GB • S-Voice natural language | • Colors: Black on red • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Galaxy S4 Zoom (4G SM-C105A) | ZTE V821 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.69W/kg (head), 0.84W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.223W/kg (head), 0.177W/kg (body) | feature not registered |