Xiaomi Redmi 4A (16GB) vs Positivo Twist 2 Fit (S509)
Side by side comparison between Xiaomi Redmi 4A vs Positivo Twist 2 Fit (S509) phones, differences, pros, cons and full specifications. What's the better?
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5"
IPS
IPS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3120
mAh
mAh
(Non removable)
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What's the better phone? Xiaomi Redmi 4A (16GB)
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 
4 Advantages | 23 Common items in both devices |
| 16 million |
| 5" |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| HDR photo only main camera |
| f/2.2 (aperture) |
| +16 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 | ||
| Redmi 4A (16GB) | Positivo Twist 2 Fit (S509) | |
| Model | Redmi 4A (16GB) | Twist 2 Fit (S509) |
| Other model names | Xiaomi Redmi 4a 2016111, Redmi 4a 2016117 Global | Positivo Twist 2 Fit S509 (Android Go), Positivo S509 |
| Country or region available |            (Global, International), Saudi Arabia, Brazil, China, United Arab Emirates, (Europe), India, Indonesia, Malaysia, Russia, Vietnam | Brazil |
| Brand | Xiaomi | Positivo |
| Release date | 11/11/2016 | 4/1/2019 |
| Depth | 8.5 millimeters (0.33 inches) | 9.5 millimeters (0.37 inches) |
| Size (width x height) | 70.4 x 139.9 millimeters (2.77 x 5.51 in) | 72 x 143 millimeters (2.83 x 5.63 in) |
| Weight | 132 grams (4.62 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 | ||
| Redmi 4A (16GB) | Positivo Twist 2 Fit (S509) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 5" inches | 5" inches |
| Screen-to-body ratio | ~70% (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) | 294 PPI | 196 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 | ||
| Redmi 4A (16GB) | Positivo Twist 2 Fit (S509) | |
| System version | Android 6.0.1 Marshmallow | Android 8.1 Oreo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi 4A (16GB) | Positivo Twist 2 Fit (S509) | |
| Chipset | 64bit: Qualcomm Snapdragon 425 (MSM8917) (28nm) | 32bit: MediaTek MT6580M (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 308 (500MHz) | ARM Mali-400 MP2 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi 4A (16GB) | Positivo Twist 2 Fit (S509) | |
| RAM memory | 2GB LPDDR3 | 512MB LPDDR3 |
| Internal storage | 16GB (10GB available) | 8GB (4GB available) eMMC 5.0 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 32GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi 4A (16GB) | Positivo Twist 2 Fit (S509) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 150/50 Mbps | 14.4/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 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 | Global model: UMTS 850/900/1900/2100 India model: UMTS 900/2100 Asia model: TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/2100 |
| Primary 4G network | LTE Cat4 Global/Asia model: LTE 800/850/1700/1800/2100/2600 (Bands 1,3,4,5,7,20) TD-LTE 2300/2600 (Bands 38,40) India model: LTE 850/1800 (Bands 3,5) TD-LTE 2300 (Bands 40) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | 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 | ||
| Redmi 4A (16GB) | 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 | LED flash | LED flash on both cameras |
| 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 only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi 4A (16GB) | Positivo Twist 2 Fit (S509) | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2560x1920 pixels | 2560x1920 pixels |
| Video recording (secondary) | HD (1280x720) | HD (1280x720) |
| Front flash | Not supported | LED |
| 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 |
🔉 Sound and multimedia | ||
| Redmi 4A (16GB) | Positivo Twist 2 Fit (S509) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi 4A (16GB) | 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 | 4.1 + 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, GLONASS, BeiDou | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi 4A (16GB) | Positivo Twist 2 Fit (S509) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 4A (16GB) | Positivo Twist 2 Fit (S509) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3120 mAh | 2000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi 4A (16GB) | 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: Gold, Rose Gold, Dark Gray • MIUI 8 • VoLTE | • Colors: Gold • Android Go Edition • 18:9 display • Screen protector included • Extra case included • WiFi hotspot |
☢️ Radiation rate | ||
| Redmi 4A (16GB) | 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) |