ZTE X990 (Single-sim) vs Positivo Twist 2 (S512)
Side by side comparison between ZTE X990 vs Positivo Twist 2 (S512) phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.34"
TFT
TFT
480x960
8
MP
MP
5mp
1GB
RAM
RAM
Quad-core
2500
mAh
mAh
(Removable)
What's the better phone? Positivo Twist 2 (S512)
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!
1 Advantage 
24 Advantages | 8 Common items in both devices |
| TFT LCD |
| Only digital zoom |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| FM (RDS) / FM |
| + 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 X990 (Single-sim) | Positivo Twist 2 (S512) | |
| Model | X990 (Single-sim) | Twist 2 (S512) |
| Other model names | ZTE X990 Single-sim | Positivo Twist 2 S512 (Android Go), Positivo S512 |
| Country or region available | feature not registered |  Brazil |
| Brand | ZTE | Positivo |
| Release date | 5/1/2010 | 4/1/2019 |
| Depth | 11.8 millimeters (0.46 inches) | 9.5 millimeters (0.37 inches) |
| Size (width x height) | 60.8 x 106.8 millimeters (2.39 x 4.2 in) | 72 x 143 millimeters (2.83 x 5.63 in) |
| Weight | 95 grams (3.33 ounces) | 160 grams (5.6 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 2.4" inches | 5.34" inches |
| Screen-to-body ratio | ~27.5% (screen-to-body ratio) | ~71.5% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 480x960 pixels (18:9) |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 167 PPI | 201 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| System version | Proprietary OS | Android 8.1 Oreo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| Chipset | feature not registered | 32bit: Unisoc Spreadtrum SC7731E (28nm) |
| CPU | Single-core, 1 processor: Single-core | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | feature not registered | ARM Mali-T820 MP1 (600MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| RAM memory | feature not registered | 1GB LPDDR |
| Internal storage | 128MB (50MB available) | 16GB (10GB available) |
| External storage | Until 8GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 0.236 Mbps | 14.4/5.76 Mbps |
| Network technology | 2G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Dual-Band 900/1800 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 850/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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, EDGE |
📷 Camera | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| Back camera (main camera) | 2 megapixels | 8 megapixels |
| Main camera resolution | 1600x1200 pixels | 3264x2448 pixels |
| Video recording (primary) | QCIF (176x144) | HD (1280x720) 30 fps |
| Flash | Not supported | LED flash on both cameras |
| Focal aperture | feature not registered | f/2.2 (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 | Not supported | 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 | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| Front camera (secondary) | Not supported | 5 megapixels |
| Front camera resolution | Not supported | 2560x1920 pixels |
| Video recording (secondary) | Not supported | HD (1280x720) |
| 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 | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | FM (RDS) | 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 X990 (Single-sim) | Positivo Twist 2 (S512) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 2.1 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 900 mAh | 2500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 8 hours | feature not registered |
| Standby | 500 hours (20.8 days) | feature not registered |
➕ Other features | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| Call control | Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS, MMS, E-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 | WAP, HTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black, White on orange • Java framework | • Colors: Black, Gold, Aurora (purple/blue) • Android Go Edition • Screen protector included • Extra case included • WiFi hotspot |
☢️ Radiation rate | ||
| ZTE X990 (Single-sim) | Positivo Twist 2 (S512) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.4W/kg (head), 0.54W/kg (body) |