Blu Selfie (S470a) vs Positivo Twist 2 Fit (S509)
Side by side comparison between Blu Selfie vs Positivo Twist 2 Fit (S509) phones, differences, pros, cons and full specifications. What's the better?
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4.7"
IPS
IPS
720x1280
13
MP
MP
13mp
2GB
RAM
RAM
Octa-core
2300
mAh
mAh
(Removable)
vs
What's the better phone? Blu Selfie (S470a)
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!
17 Advantages 
3 Advantages | 22 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| 3G+ HSPA+ |
| Capacitive |
| Multitouch |
| +15 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 | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| Model | Selfie (S470a) | Twist 2 Fit (S509) |
| Other model names | Blu Selfie Dual Sim S470A, Blu S470A Selfie | Positivo Twist 2 Fit S509 (Android Go), Positivo S509 |
| Country or region available |  USA |  Brazil |
| Brand | Blu | Positivo |
| Release date | 4/1/2015 | 4/1/2019 |
| Depth | 9.6 millimeters (0.38 inches) | 9.5 millimeters (0.37 inches) |
| Size (width x height) | 66.3 x 146 millimeters (2.61 x 5.75 in) | 72 x 143 millimeters (2.83 x 5.63 in) |
| Weight | 136 grams (4.76 ounces) | 155 grams (5.43 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 4.7" inches | 5" inches |
| Screen-to-body ratio | ~62.9% (screen-to-body ratio) | ~66.9% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 480x854 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 312 PPI | 196 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| System version | Android 4.4.2 KitKat | Android 8.1 Oreo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| Chipset | 32bit: MediaTek MT6592 | 32bit: MediaTek MT6580M (28nm) |
| CPU | Octa-core, 1 processor: 8x 1.7GHz ARM Cortex-A7 (Octa-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | ARM Mali-450 MP4 | ARM Mali-400 MP2 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| RAM memory | 2GB LPDDR3 | 512MB LPDDR3 |
| Internal storage | 16GB (11GB available) | 8GB (4GB available) eMMC 5.0 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| 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) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 14.4/5.76 Mbps |
| Network technology | 2G, 3G | 2G, 3G |
| 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 850/1900 | UMTS 850/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| Back camera (main camera) | 13 megapixels | 5 megapixels |
| Main camera resolution | 4128x3096 pixels | 2560x1920 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | Dual-LED on main camera and LED on front camera | 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 | 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 | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| Front camera (secondary) | 13 megapixels | 5 megapixels |
| Front camera resolution | 4128x3096 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | LED | 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 | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| 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 | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2300 mAh | 2000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 14 hours | feature not registered |
| Standby | 750 hours (31.3 days) | feature not registered |
➕ Other features | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| 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: White, Black, Blue • Screen protector included • Silicon Case included • BLU Nex Lens technology • BLU Infinite View technology | • Colors: Gold • Android Go Edition • 18:9 display • Screen protector included • Extra case included • WiFi hotspot |
☢️ Radiation rate | ||
| Blu Selfie (S470a) | Positivo Twist 2 Fit (S509) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.49W/kg (head), 0.56W/kg (body) |