ZTE ZMax (Z970) vs Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/4GB)
Side by side comparison between ZTE ZMax vs Samsung Galaxy J7 Duo phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
TFT
TFT
720x1280
8
MP
MP
1.6mp
2GB
RAM
RAM
Quad-core
3400
mAh
mAh
(Removable)
vs
5.5"
AMOLED
AMOLED
720x1280
13
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/4GB)
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!
5 Advantages 
20 Advantages | 21 Common items in both devices |
| 16 million |
| 720x1280 pixels |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| Full HD (1920x1080) |
| 4G LTE-A / 4G LTE |
| +14 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 ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| Change model | ||
| Model | ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) |
| Other model names | ZTE ZMax LTE-A, ZTE Z970, ZTE ZMax 4G LTE | Galaxy J7 Duo (32GB + 4GB RAM) Dual-Sim, Samsung J720 |
| Country or region available | feature not registered |  India |
| Brand | ZTE | Samsung |
| Release date | 9/1/2014 | 4/1/2018 |
| Depth | 8.9 millimeters (0.35 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 83.8 x 162.6 millimeters (3.3 x 6.4 in) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) |
| Weight | 190 grams (6.65 ounces) | 174 grams (6.09 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| Display type | TFT LCD | Super AMOLED |
| Screen size | 5.7" inches | 5.5" inches |
| Screen-to-body ratio | ~65.7% (screen-to-body ratio) | ~70.4% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 720x1280 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 258 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| System version | Android 4.4.2 KitKat | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 10 |
| User Interface | feature not registered | One UI 2.0 |
⚙️ Processor | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) | 64bit: Samsung Exynos 7885 (14nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 305 400Mhz | ARM Mali-G71 MP2 |
| Performance (benchmark) | feature not registered | AnTuTu: 98104 (v7) |
💽 Memory and storage | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| RAM memory | 2GB | 4GB LPDDR4 |
| Internal storage | 16GB (12GB available) | 32GB (21GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 150/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE 700/1700/1900/2100/2600 | LTE Cat4 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| Back camera (main camera) | 8 megapixels | (dual camera) 13 megapixels 5MP depth f/1.9 |
| Main camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| 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 | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| Front camera (secondary) | 1.6 megapixels | 8 megapixels |
| Front camera resolution | 1536x1024 pixels | 3264x2448 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| 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 ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer ANT+ Face unlock 2D Fingerprint sensor (front-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3400 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 14 hours | 20 hours |
| Standby | 360 hours (15 days) | feature not registered |
➕ Other features | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Dolby Digital sound • WiFi hotspot Java framework | • Colors: Black, Gold, Rose Gold, White • Samsung Pay |
☢️ Radiation rate | ||
| ZTE ZMax (Z970) | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.543W/kg (head), 1.397W/kg (body) |