On this page we compare specs vivo Y51 Quad-core 1.2 GHz Cortex-A53 with Oppo A5s (AX5s) Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 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 A5s (AX5s) |
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Operating system | Android 5.0.2 (Lollipop); Funtouch 2.5 | Android 8.1 (Oreo); ColorOS 5.2 |
Processor | Quad-core 1.2 GHz Cortex-A53 | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
Chipset | Qualcomm MSM8916 Snapdragon 410 (28 nm) | Mediatek MT6765 Helio P35 (12nm) |
GPU | Adreno 306 | PowerVR GE8320 |
Internal memory | 16 GB, 2 GB RAM | 32/64 GB, 2/3/4 GB RAM |
External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
Display | vivo Y51 | Oppo A5s (AX5s) |
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Type | IPS LCD | S-IPS LCD |
Size | 5" inc | 6.2" inc |
Resolution | 540 x 960 px | 720 x 1520 px |
Protection | | Corning Gorilla Glass 3 |
Touchscreen | capacitive touchscreen | capacitive touchscreen |
Screen-to-Body Ratio | 66.8% | 81.6% |
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 A5s (AX5s) |
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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 / 1900 / 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, GLONASS, GALILEO, BDS |
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 A5s (AX5s) |
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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 A5s (AX5s) |
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3.5 mm Jack | Yes | Yes |
Radio | FM radio | FM radio |
Design | vivo Y51 | Oppo A5s (AX5s) |
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Colors | White | Red, Black, Gold, Green |
Dimensions | 143.8 x 71.7 x 7.5 mm | 155.9 x 75.4 x 8.2 mm |
Weight | 157 g | 170 g |
Battery | vivo Y51 | Oppo A5s (AX5s) |
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Battery capacity | 2350 mAh, Non-removable Li-Ion | 4230 mAh, Non-removable Li-Ion |
Other | vivo Y51 | Oppo A5s (AX5s) |
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Release date | 2015, December | 2019, March |
Sensors | Accelerometer, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity, compass |