ZTE Nubia Z7 mini vs Samsung Galaxy Express 2 (SM-G3815)
Side by side comparison between ZTE Nubia Z7 mini vs Samsung Galaxy Express 2 phones, differences, pros, cons and full specifications. What's the better?
,
5"
TFT
TFT
1080x1920
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
2300
mAh
mAh
(Non removable)
vs
4.5"
TFT
TFT
540x960
5
MP
MP
0.3mp
1.5GB
RAM
RAM
Dual-core
2100
mAh
mAh
(Removable)
What's the better phone? ZTE Nubia Z7 mini
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!
18 Advantages 
3 Advantages | 26 Common items in both devices |
| Until 64GB microSD, microSDXC |
| TFT LCD |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| 4G LTE |
| +19 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 Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| Change model | ||
| Model | Nubia Z7 mini | Galaxy Express 2 (SM-G3815) |
| Other model names | ZTE Nubia Z7 mini Dual Sim 4G LTE NX507J, ZTE NX507J | Samsung Galaxy Express II G3815 |
| Country or region available | feature not registered |  (Global, International) |
| Brand | ZTE | Samsung |
| Release date | 7/1/2014 | 10/1/2013 |
| Depth | 8.2 millimeters (0.32 inches) | 9.8 millimeters (0.39 inches) |
| Size (width x height) | 69.3 x 140.9 millimeters (2.73 x 5.55 in) | 65.7 x 132.4 millimeters (2.59 x 5.21 in) |
| Weight | 143 grams (5.01 ounces) | 134 grams (4.69 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 5" inches | 4.5" inches |
| Screen-to-body ratio | ~70.6% (screen-to-body ratio) | ~64.2% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 441 PPI | 245 PPI |
| Colors | 16 million | 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 Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| System version | Android 4.4.2 KitKat | Android 4.2.2 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| Chipset | 32bit: Qualcomm Snapdragon 801 MSM8974AA v3 | 32bit: Qualcomm Snapdragon 400 MSM8930AB |
| CPU | Quad-core, 1 processor: 4x 2GHz Krait 400 (Quad-core) | Dual-core, 1 processor: 2x 1.7GHz Krait 300 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 330 | Qualcomm Adreno 305 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| RAM memory | 2GB LPDDR3 | 1.5GB LPDDR2 |
| Internal storage | 16GB (12GB available) | 8GB |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 100/50 Mbps | 100/50 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 850/900/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE 1800/2100/2600 | LTE 800/900/1800/2600 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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, EDGE | Not supported |
📷 Camera | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| Back camera (main camera) | 13 megapixels | 5 megapixels |
| Main camera resolution | 4128x3096 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/2.6 (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 | feature not registered |
| 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 | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| Front camera (secondary) | 5 megapixels | 0.3 megapixels |
| Front camera resolution | 2592x1944 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| 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 | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL-3 | Micro-B USB MHL |
| Bluetooth | 4.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2300 mAh | 2100 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 20 hours | 11 hours |
| Standby | 580 hours (24.2 days) | 480 hours (20 days) |
➕ Other features | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| 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, White, Red, Green, Yellow • USB OTG On-The-Go • Nubia UI 2.0 • Panorama photo Java framework | • Colors: Blue, White • Samsung TouchWiz UI Java framework |
☢️ Radiation rate | ||
| ZTE Nubia Z7 mini | Galaxy Express 2 (SM-G3815) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.38W/kg (head), 0.7W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.38W/kg (head), 0.36W/kg (body) |