Samsung Star Duos (GT-B7722) vs ZTE Blade V8 Pro (Z978)
Side by side comparison between Samsung Star Duos vs ZTE Blade V8 Pro phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.5"
IPS
IPS
1080x1920
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
3140
mAh
mAh
(Non removable)
What's the better phone? ZTE Blade V8 Pro (Z978)
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 
32 Advantages | 7 Common items in both devices |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| FM (RDS) / FM |
| MicroUSB 2.0 / USB 2.0 Type-C reversible connector |
| + 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 | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| Change model | ||
| Model | Star Duos (GT-B7722) | Blade V8 Pro (Z978) |
| Other model names | Samsung GT-B7722/H, Samsung B7722i Duos | ZTE Blade V8 Pro Z978, ZTE BV8P121 |
| Country or region available | feature not registered |  USA |
| Brand | Samsung | ZTE |
| Release date | 6/1/2010 | 1/1/2017 |
| Depth | 14.3 millimeters (0.56 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) | 77 x 156 millimeters (3.03 x 6.14 in) |
| Weight | 112 grams (3.92 ounces) | 185 grams (6.48 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3.2" inches | 5.5" inches |
| Screen-to-body ratio | ~46.3% (screen-to-body ratio) | ~69.4% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1080x1920 pixels |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 146 PPI | 401 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| System version | Proprietary OS | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 625 MSM8953 (14nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 506 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| RAM memory | feature not registered | 3GB LPDDR3 |
| Internal storage | 270MB | 32GB (22GB available) |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3.6 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G | 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 | UMTS 2100 | UMTS 850/900/1700/2100 |
| Primary 4G network | Not supported | LTE Cat4 700/850/1700/1900/2600 (Bands 2,4,5,7,12) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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, EDGE | GPRS, EDGE |
📷 Camera | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| Back camera (main camera) | 5 megapixels | (dual camera) 13 megapixels 13MP |
| Main camera resolution | 2560x1920 pixels | 4128x3096 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED on main camera and LED on front camera |
| 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 | 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 | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| 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 | 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 | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| 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, WMA, eAAC+ | MP3, WAV, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | via Micro-USB | 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 | Not supported | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| Sensors | Accelerometer | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1200 mAh | 3140 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5.6 hours | 24 hours (1 day) |
| Standby | 330 hours (13.8 days) | 552 hours (23 days) |
➕ Other features | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail, Push mail | SMS (T9), 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 | Not supported | Not supported |
| Miscellaneous | • Colors: Black • SHP OS • Dolphin 1.0 browser • 3D Sound Technology • Java framework | • Colors: Black Diamond • USB On-The-Go • 2.5D curved edge screen • Metal frame • Plastic back case • MiFavor UI • 24-bit/192kHz audio • Dolby audio sound enhancement • Fast battery charging • Quick Charge 2.0 • HAC M3/T4 |
☢️ Radiation rate | ||
| Samsung Star Duos (GT-B7722) | ZTE Blade V8 Pro (Z978) | |
| 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 |