Positivo Twist 2 (S512) vs Samsung Galaxy Alpha (SM-G850A)
Side by side comparison between Positivo Twist 2 (S512) vs Samsung Galaxy Alpha 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
4.7"
AMOLED
AMOLED
720x1280
12
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
1860
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Alpha (SM-G850A)
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!
8 Advantages 
22 Advantages | 19 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| HDR photo only main camera / HDR photo/video only main camera |
| f/2.2 (aperture) |
| Capacitive |
| +12 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 Alpha (SM-G850A) | |
| Change model | ||
| Model | Twist 2 (S512) | Galaxy Alpha (SM-G850A) |
| Other model names | Positivo Twist 2 S512 (Android Go), Positivo S512 | AT&T Samsung Galaxy Alpha S801 SM-G850A for USA |
| Country or region available |  Brazil |  USA |
| Brand | Positivo | Samsung |
| Release date | 4/1/2019 | 9/1/2014 |
| Depth | 9.5 millimeters (0.37 inches) | 6.7 millimeters (0.26 inches) |
| Size (width x height) | 72 x 143 millimeters (2.83 x 5.63 in) | 65.5 x 132.4 millimeters (2.58 x 5.21 in) |
| Weight | 160 grams (5.6 ounces) | 115 grams (4.03 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 Alpha (SM-G850A) | |
| Display type | TFT LCD | Super AMOLED |
| Screen size | 5.34" inches | 4.7" inches |
| Screen-to-body ratio | ~71.5% (screen-to-body ratio) | ~70.2% (screen-to-body ratio) |
| Display resolution | 480x960 pixels (18:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 201 PPI | 312 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| System version | Android 8.1 Oreo | Android 4.4.4 KitKat |
| Firmware update | feature not registered | Android 5.0.2 Lollipop |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| Chipset | 32bit: Unisoc Spreadtrum SC7731E (28nm) | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) |
| GPU graphical controller | ARM Mali-T820 MP1 (600MHz) | Qualcomm Adreno 330 578Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| RAM memory | 1GB LPDDR | 2GB LPDDR3 |
| Internal storage | 16GB (10GB available) | 32GB (25GB available) |
| External storage | Until 32GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| 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) nano-SIM (4FF) |
| Maximum Download / Upload | 14.4/5.76 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 850/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| 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 | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| Back camera (main camera) | 8 megapixels | 12 megapixels |
| Main camera resolution | 3264x2448 pixels | 4608x2592 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/2.2 (aperture) | 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 | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | 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/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| Front camera (secondary) | 5 megapixels | 2.1 megapixels |
| Front camera resolution | 2560x1920 pixels | 1920x1080 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| 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 Alpha (SM-G850A) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| 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 | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2500 mAh | 1860 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 11 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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, Gold, Aurora (purple/blue) • Android Go Edition • Screen protector included • Extra case included • WiFi hotspot | • Colors: Black, Silver, White, Gold, Blue • USB OTG On-The-Go • Dual Shot camera (video + photo) • Fingerprint sensor (PayPal certified) • Dropbox 50GB • ANT+ support |
☢️ Radiation rate | ||
| Positivo Twist 2 (S512) | Galaxy Alpha (SM-G850A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.25W/kg (head), 1.05W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.4W/kg (head), 0.54W/kg (body) | 0.4W/kg (head), 0.265W/kg (body) |