On this page we compare specs Asus Zenfone 2 ZE551ML Quad-core 2.3 GHz (4 GB RAM model)
-Quad-core 1.8 GHz (2 GB RAM model) 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 | Asus Zenfone 2 ZE551ML | Oppo A3s |
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Operating system | Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow) | Android 8.1 (Oreo); ColorOS 5.1 |
Processor | Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model) | Octa-core 1.8 GHz Cortex-A53 |
Chipset | Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
GPU | PowerVR G6430 | Adreno 506 |
Internal memory | 16/32/64 GB, 2/4 GB RAM | 16 GB, 2 GB RAM |
External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
Display | Asus Zenfone 2 ZE551ML | Oppo A3s |
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Type | IPS LCD | IPS LCD |
Size | 5.5" inc | 6.2" inc |
Resolution | 1080 x 1920 px | 720 x 1520 px |
Touchscreen | capacitive touchscreen | capacitive touchscreen |
Protection | Corning Gorilla Glass 3 | |
Screen-to-Body Ratio | 70.8% | 81.2% |
Display area | 83.4 cm2 | 95.9 cm2 |
Display aspect ratio | 16:9 (height:width) | 19:9 (height:width) |
Pixel Density | 401 PPI | 271 PPI |
Colors | 16M | 16M |
Connectivity | Asus Zenfone 2 ZE551ML | 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 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 9(1800), 18(800), 19(800), 28(700) - Taiwan | LTE |
Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
SIM card | Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | 4.0, A2DP, EDR | 4.2, A2DP, LE |
Edge | Yes | Yes |
GPRS | Yes | Yes |
GPS | Yes, with A-GPS, GLONASS | 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, USB Host | microUSB 2.0, USB On-The-Go |
NFC | Yes | |
Camera | Asus Zenfone 2 ZE551ML | Oppo A3s |
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Main camera | 13 MP, Single | 13 MP, Dual |
Specs | 13 MP, AF, f/2.0 | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
Features | Dual-LED dual-tone flash, panorama, HDR | LED flash, HDR, panorama |
Video | 1080p@30fps | 1080p@30fps |
Selfie camera | 5 MP, Single | 8 MP, Single |
Multimedia | Asus Zenfone 2 ZE551ML | Oppo A3s |
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3.5 mm Jack | Yes | Yes |
Radio | FM radio, RDS | FM radio |
Design | Asus Zenfone 2 ZE551ML | Oppo A3s |
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Colors | Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White | Red, Dark Purple |
Dimensions | 152.5 x 77.2 x 10.9 mm | 156.2 x 75.6 x 8.2 mm |
Weight | 170 g | 168 g |
Body build | Plastic body | |
Battery | Asus Zenfone 2 ZE551ML | Oppo A3s |
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Battery capacity | 3000 mAh, Non-removable Li-Po | 4230 mAh, Non-removable Li-Ion |
Other | Asus Zenfone 2 ZE551ML | Oppo A3s |
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Release date | 2015, January | 2018, July |
Sensors | Accelerometer, gyro, proximity, compass | Accelerometer, proximity, compass |
SAR | SAR EU - 0.35 W/kg (head) | |