Positivo Twist 2 (S512) vs Samsung Galaxy Ace Duos (SCH-i589)
Side by side comparison between Positivo Twist 2 (S512) vs Samsung Galaxy Ace Duos phones, differences, pros, cons and full specifications. What's the better?
,
5.34"
TFT
TFT
480x960
8
MP
MP
5mp
1GB
RAM
RAM
Quad-core
2500
mAh
mAh
(Removable)
vs
3.5"
TFT
TFT
320x480
3.1
MP
MP
256MB
RAM
RAM
Single-core
1650
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!
20 Advantages 
3 Advantages | 18 Common items in both devices |
| Until 32GB microSD, microSDXC / Until 32GB microSD, microSDHC |
| TFT LCD |
| 16 million |
| Only digital zoom |
| Autofocus |
| Capacitive |
| Multitouch |
| +11 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 | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| Change model | ||
| Model | Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) |
| Other model names | Positivo Twist 2 S512 (Android Go), Positivo S512 | Samsung Galaxy Ace Duos i589 CDMA |
| Country or region available |  Brazil |    (Global, International), China, India |
| Brand | Positivo | Samsung |
| Release date | 4/1/2019 | 2/1/2012 |
| Depth | 9.5 millimeters (0.37 inches) | 12.5 millimeters (0.49 inches) |
| Size (width x height) | 72 x 143 millimeters (2.83 x 5.63 in) | 59.9 x 112.4 millimeters (2.36 x 4.43 in) |
| Weight | 160 grams (5.6 ounces) | 125 grams (4.38 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 5.34" inches | 3.5" inches |
| Screen-to-body ratio | ~71.5% (screen-to-body ratio) | ~54.2% (screen-to-body ratio) |
| Display resolution | 480x960 pixels (18:9) | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 201 PPI | 165 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| System version | Android 8.1 Oreo | Android 2.2.1 Froyo |
| Firmware update | feature not registered | Android 2.3.6 Gingerbread |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| Chipset | 32bit: Unisoc Spreadtrum SC7731E (28nm) | 32bit: Qualcomm MSM7627T |
| CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) | Single-core, 1 processor: 1x 800MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | ARM Mali-T820 MP1 (600MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| RAM memory | 1GB LPDDR | 256MB |
| Internal storage | 16GB (10GB available) | 512MB (158MB available) |
| External storage | Until 32GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 14.4/5.76 Mbps | 3.1 Mbps |
| Network technology | 2G, 3G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Dual-Band 900/1800 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900 |
| Primary 3G network | UMTS 850/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS |
📷 Camera | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| Back camera (main camera) | 8 megapixels | 3.1 megapixels |
| Main camera resolution | 3264x2448 pixels | 2048x1536 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | QVGA (320x240) |
| Flash | LED flash on both cameras | Not supported |
| Focal aperture | f/2.2 (aperture) | 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 | Autofocus |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | Not supported |
| 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 | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2560x1920 pixels | Not supported |
| Video recording (secondary) | HD (1280x720) | Not supported |
| Front flash | LED | 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 | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | FM (RDS) |
| 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 | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2500 mAh | 1650 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 7 hours |
| Standby | feature not registered | 300 hours (12.5 days) |
➕ Other features | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), MMS, E-mail, Push 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Gold, Aurora (purple/blue) • Android Go Edition • Screen protector included • Extra case included • WiFi hotspot | • Colors: Black • 2GB microSD included • Samsung TouchWiz UI • Smile Shot/Panorama • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Positivo Twist 2 (S512) | Galaxy Ace Duos (SCH-i589) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.4W/kg (head), 0.54W/kg (body) | feature not registered |