On this page we compare specs vivo Y51 Quad-core 1.2 GHz Cortex-A53 with Oppo A3s Octa-core 1.8 GHz Cortex-A53, we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
Hardware and OS | vivo Y51 | Oppo A3s |
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Operating system | Android 5.0.2 (Lollipop); Funtouch 2.5 | Android 8.1 (Oreo); ColorOS 5.1 |
Processor | Quad-core 1.2 GHz Cortex-A53 | Octa-core 1.8 GHz Cortex-A53 |
Chipset | Qualcomm MSM8916 Snapdragon 410 (28 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
GPU | Adreno 306 | Adreno 506 |
Internal memory | 16 GB, 2 GB RAM | 16 GB, 2 GB RAM |
External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
Display | vivo Y51 | Oppo A3s |
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Type | IPS LCD | IPS LCD |
Size | 5" inc | 6.2" inc |
Resolution | 540 x 960 px | 720 x 1520 px |
Touchscreen | capacitive touchscreen | capacitive touchscreen |
Screen-to-Body Ratio | 66.8% | 81.2% |
Display area | 68.9 cm2 | 95.9 cm2 |
Display aspect ratio | 16:9 (height:width) | 19:9 (height:width) |
Pixel Density | 220 PPI | 271 PPI |
Colors | 16M | 16M |
Connectivity | vivo Y51 | Oppo A3s |
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2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
4G Network | LTE 850 / 900 / 1800 / 2100 / 2600 - Malaysia | LTE |
Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
SIM card | Dual SIM | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | 4.0, A2DP | 4.2, A2DP, LE |
Edge | Yes | Yes |
GPRS | Yes | Yes |
GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go |
Camera | vivo Y51 | Oppo A3s |
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Main camera | 8 MP, Single | 13 MP, Dual |
Specs | 8 MP, AF | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
Video | 1080p@30fps | 1080p@30fps |
Selfie camera | 5 MP, Single | 8 MP, Single |
Multimedia | vivo Y51 | Oppo A3s |
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3.5 mm Jack | Yes | Yes |
Radio | FM radio | FM radio |
Design | vivo Y51 | Oppo A3s |
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Colors | White | Red, Dark Purple |
Dimensions | 143.8 x 71.7 x 7.5 mm | 156.2 x 75.6 x 8.2 mm |
Weight | 157 g | 168 g |
Battery | vivo Y51 | Oppo A3s |
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Battery capacity | 2350 mAh, Non-removable Li-Ion | 4230 mAh, Non-removable Li-Ion |
Other | vivo Y51 | Oppo A3s |
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Release date | 2015, December | 2018, July |
Sensors | Accelerometer, proximity, compass | Accelerometer, proximity, compass |