Vivo S1 (V1831T) vs Samsung Galaxy A5 2017 (SM-A520F/DS 64GB)
Side by side comparison between Vivo S1 vs Samsung Galaxy A5 (2017) phones, differences, pros, cons and full specifications. What's the better?
,
6.33"
IPS
IPS
1080x2340
12
MP
MP
25mp
6GB
RAM
RAM
Octa-core
3940
mAh
mAh
(Non removable)
vs
5.2"
AMOLED
AMOLED
1080x1920
16
MP
MP
16mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Vivo S1 (V1831T)
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!
14 Advantages 
10 Advantages | 31 Common items in both devices |
| eMMC 5.1 |
| Until 256GB microSD, microSDXC |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| +24 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 | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| Model | Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) |
| Other model names | BBK vivo S1 (China) V1831 | Galaxy A5 (2017) SM-A520F/Dual-Sim |
| Country or region available |  China |  (Global, International) |
| Brand | Vivo | Samsung |
| Release date | 4/1/2019 | 1/13/2017 |
| Depth | 8.54 millimeters (0.34 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 75.93 x 161.97 millimeters (2.99 x 6.38 in) | 71.4 x 146.1 millimeters (2.81 x 5.75 in) |
| Weight | 190 grams (6.65 ounces) | 157 grams (5.5 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.33" inches | 5.2" inches |
| Screen-to-body ratio | ~80% (screen-to-body ratio) | ~71.5% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels | 1080x1920 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 407 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| System version | Android 9.0 Pie | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| Chipset | 64bit: MediaTek MT6771WT Helio P70 (12nm) | 64bit: Samsung Exynos 7 Octa 7880 (14nm) |
| CPU | Octa-core, 2 processors: 4x 2.1GHz ARM Cortex-A73 (Quad-core) 4x 2GHz ARM Cortex-A53 (Quad-core) | Octa-core, 1 processor: 8x 1.9GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | ARM Mali-G72 MP3 900Mhz | ARM Mali-T830 MP3 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| RAM memory | 6GB LPDDR4X | 3GB LPDDR4 |
| Internal storage | 128GB (108GB available) eMMC 5.1 | 64GB (52GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| 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) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat7 (Bands 1, 3, 5, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 17, 20, 28) TD-LTE (Bands 38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| 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 | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| Back camera (main camera) | (triple camera) 12 megapixels 8MP ultrawide f/2.2 5MP depth f/2.4 | 16 megapixels |
| Main camera resolution | 4000x3000 pixels | 4608x3456 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | 13mm (lens) | 27mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF: phase detection 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 on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| Front camera (secondary) | 25 megapixels | 16 megapixels |
| Front camera resolution | 5760x4320 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3940 mAh | 3000 mAh |
| Charger, watts | 18W Wired fast charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 16 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| 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: Ice black, Blue, Pink • 19.5:9 display ratio • Always On Display • FunTouch OS 9 • Motorized pop-up front camera | • Colors: Black, Gold, Blue, Pink • Gorilla Glass on the back • Samsung Grace UX |
☢️ Radiation rate | ||
| Vivo S1 (V1831T) | Galaxy A5 2017 (SM-A520F/DS 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.522W/kg (head), 1.39W/kg (body) |