On this page we compare specs Redmi 9 128GB 4GB RAM MediaTek Helio G35 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 | Redmi 9 128GB 4GB RAM | Oppo A3s |
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Operating system | Android v10 (Q) | Android 8.1 (Oreo); ColorOS 5.1 |
Processor | 2.3GHz, 8x A53, Octa-core | Octa-core 1.8 GHz Cortex-A53 |
Chipset | MediaTek Helio G35 | Qualcomm SDM450 Snapdragon 450 (14 nm) |
GPU | PowerVR8320 | Adreno 506 |
Internal memory | | 16 GB, 2 GB RAM |
Internal Storage | 128 GB | |
Expandable memory | Yes, Upto 256 GB | |
External memory | | microSD, up to 256 GB (dedicated slot) |
RAM | 4 GB | |
Display | Redmi 9 128GB 4GB RAM | Oppo A3s |
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Type | | IPS LCD |
Size | | 6.2" inc |
Resolution | | 720 x 1520 px |
Touchscreen | | capacitive touchscreen |
Screen-to-Body Ratio | | 81.2% |
Display area | | 95.9 cm2 |
Display aspect ratio | | 19:9 (height:width) |
Pixel Density | | 271 PPI |
Colors | | 16M |
Connectivity | Redmi 9 128GB 4GB RAM | Oppo A3s |
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2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
SIM size | SIM1: Nano, SIM2: Nano | |
3G Network | | HSDPA 850 / 900 / 2100 |
Dual SIM | Dual SIM, GSM GSM, Dual VoLTE | |
4G Network | | LTE |
Wi-Fi | Yes, Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network support | 4G , 3G, 2G | |
Network | | GSM / HSPA / LTE |
USB connectivity | Mass storage device, USB charging | |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | Yes, v5.0 | 4.2, A2DP, LE |
Edge | | Yes |
GPRS | | Yes |
GPS | Yes, with A-GPS | Yes, with A-GPS |
Speed | | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
USB | | microUSB 2.0, USB On-The-Go |
Camera | Redmi 9 128GB 4GB RAM | Oppo A3s |
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Aperture | F2.2 | |
Autofocus | Yes | |
Flash | Yes, LED Flash | |
Front camera | 5 MP | |
Front camera resolution | 5 MP Primary Camera | |
Video recording | Yes | |
Main camera | 13 MP 2 MP | 13 MP, Dual |
Specs | | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
Features | | LED flash, HDR, panorama |
Video | | 1080p@30fps |
Selfie camera | | 8 MP, Single |
Features | Redmi 9 128GB 4GB RAM | Oppo A3s |
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Fingerprint sensor position | Rear | |
Fingerprint sensor | Yes | |
Other sensors | Distance Sensor, Ambient Light Sensor, Accelerometer, Vibration Motor | |
Multimedia | Redmi 9 128GB 4GB RAM | Oppo A3s |
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FM radio | Yes | |
Loudspeaker | Yes | |
3.5 mm Jack | | Yes |
Radio | | FM radio |
Design | Redmi 9 128GB 4GB RAM | Oppo A3s |
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Height | 164.9 mm | |
Width | 77.07 mm | |
Thickness | 9.0 mm | |
Colors | Carbon Grey, Sky Blue, Sporty Orange | Red, Dark Purple |
Dimensions | | 156.2 x 75.6 x 8.2 mm |
Weight | 196 g | 168 g |
Battery | Redmi 9 128GB 4GB RAM | Oppo A3s |
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Capacity | 5000 mAh | |
Battery capacity | | 4230 mAh, Non-removable Li-Ion |
Other | Redmi 9 128GB 4GB RAM | Oppo A3s |
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Release date | | 2018, July |
Sensors | | Accelerometer, proximity, compass |