Xiaomi Redmi 9 vs Oppo A31 (2020)
Short Description
Xiaomi Redmi 9
Screen size: 6.53" / Resolution: 1080 x 2340 px / Main camera: 13 MP & 8 MP & 5 MP & 2 MP / Front camera: 8MP / RAM: 3GB, 4GB, 6GB / Battery power: 5020 mAh / Internal storage: 32GB, 64GB, 128GB / SIM cards: 2 SIM
Oppo A31 (2020)
Screen size: 6.5" / Resolution: 720 x 1600 px / Main camera: 12 MP & 2 MP & 2 MP / Front camera: 8MP / RAM: 6GB / Battery power: 4230 mAh / Internal storage: 128GB / SIM cards: 2 SIM
Key Differences
Xiaomi Redmi 9
Oppo A31 (2020)
How is Xiaomi Redmi 9 better than Oppo A31 (2020)?
Bigger battery capacity: 5020 mAh vs 4230 mAh
More megapixels main camera: 13 MP & 8 MP & 5 MP & 2 MP vs 12 MP & 2 MP & 2 MP
Has a larger display diagonal: 6.53" vs 6.5"
Better display resolution: 1080 x 2340 px vs 720 x 1600 px
Shorter: 163.32 mm (6.43 inches) vs 163.9 mm (6.45 inches)
More color options: Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue vs Fantasy White, Mystery Black, Lake Green
The phone is 2 months newer
Xiaomi Redmi 9
Oppo A31 (2020)
How is Oppo A31 (2020) better than Xiaomi Redmi 9?
Faster CPU speed: 4 x 2.3 GHz & 4 x 1.8 GHz vs 2 x 2 GHz & 6 x 1.8 GHz
Lighter: 180 g (6.35 ounces) vs 198 g (6.98 ounces)
Narrower: 75.5 mm (2.97 inches) vs 77.01 mm (3.03 inches)
Size Comparison
Xiaomi Redmi 9
Oppo A31 (2020)
Height
163.32 mm
(6.43 inches)
Width
77.01 mm
(3.03 inches)
Thickness
9.1 mm
(0.36 inches)
Screen size
6.53"
Weight
198 g
(6.98 ounces)
6.53"
6.5"
Height
163.9 mm
(6.45 inches)
Width
75.5 mm
(2.97 inches)
Thickness
8.3 mm
(0.33 inches)
Screen size
6.5"
Weight
180 g
(6.35 ounces)
Height
163.32 mm
(6.43 inches)
Width
77.01 mm
(3.03 inches)
Thickness
9.1 mm
(0.36 inches)
Screen size
6.53"
Weight
198 g
(6.98 ounces)
Height
163.9 mm
(6.45 inches)
Width
75.5 mm
(2.97 inches)
Thickness
8.3 mm
(0.33 inches)
Screen size
6.5"
Weight
180 g
(6.35 ounces)
3D comparison
Xiaomi Redmi 9
Oppo A31 (2020)
Xiaomi Redmi 9
Oppo A31 (2020)
Vote for Your option
Xiaomi Redmi 9
Vote for Your option
Oppo A31 (2020)
Benchmarks
Geekbench 5 · Multi-Core
Xiaomi Redmi 9
1,289 +42.9%
Oppo A31 (2020)
902
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing in Geekbench 5.
Geekbench 5 · Single-Core
Xiaomi Redmi 9
356 +105.78%
Oppo A31 (2020)
173
Measures the performance of a single processor core in a device, evaluating its efficiency in handling single-threaded tasks in Geekbench 5.
Technical Specifications
Show differences
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Specs
Xiaomi Redmi 9
Oppo A31 (2020)
Design
Weight
198 g (6.98 ounces)
180 g (6.35 ounces)
Thickness
9.1 mm (0.36 inches)
8.3 mm (0.33 inches)
Width
77.01 mm (3.03 inches)
75.5 mm (2.97 inches)
Height
163.32 mm (6.43 inches)
163.9 mm (6.45 inches)
Volume
114.45 cm³
102.71 cm³
Color options
Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue
Fantasy White, Mystery Black, Lake Green
French Repairability Index
7.1
-
Display
Screen size
6.53"
6.5"
Display type
IPS, LCD
IPS, LCD
Pixel density
395 ppi
270 ppi
Resolution
1080 x 2340 px
720 x 1600 px
Refresh rate
60Hz
-
Brightness (typical)
400 nits
-
Has branded damage-resistant glass
✔
-
Gorilla Glass version
Gorilla Glass 3
Gorilla Glass 3
Contrast ratio
1500:1
-
Has a touch screen
✔
✔
Performance
Internal storage
32GB, 64GB, 128GB
128GB
RAM
3GB, 4GB, 6GB
6GB
Android version
Android 10
Android 9 Pie
CPU speed
2 x 2 GHz & 6 x 1.8 GHz
4 x 2.3 GHz & 4 x 1.8 GHz
GPU clock speed
-
650 MHz
Has integrated LTE
✔
✔
RAM speed
1800 MHz
1600 MHz
Semiconductor size
12 nm
12 nm
Supports 64-bit
✔
-
DirectX version
DirectX 12
DirectX 10
Has integrated graphics
✔
✔
OpenGL version
3.2
3.2
OpenGL ES version
3.2
3.2
Uses big.LITTLE technology
✔
✔
CPU threads
8 threads
8 threads
Uses HMP
-
✔
Has TrustZone
✔
✔
Maximum memory bandwidth
13.41 GB/s
14.9 GB/s
OpenCL version
2
1.2
L2 cache
0.3 MB
-
EMMC version
5.1
5.1
DDR memory version
4
4
Maximum memory amount
8GB
6GB
L3 cache
1 MB
-
GPU execution units
2
-
Thermal Design Power (TDP)
5W
5W
Shading units
32
-
Release date
-
2020
Memory channels
2
-
Number of transistors
5500 million
-
Has NX bit
-
✔
Has an external memory slot
✔
✔
GPU turbo
950 MHz
680 MHz
Turbo clock speed
2GHz
-
Maximum amount of external memory supported
512GB
256GB
Bits executed at a time
-
128
VFP version
-
4
Cameras
Main camera
13 MP & 8 MP & 5 MP & 2 MP
12 MP & 2 MP & 2 MP
Front camera
8MP
8MP
Video recording (main camera)
1080 x 30 fps
1080 x 30 fps
Wide aperture (main camera)
f/2.2 & f/2.2 & f/2.4 & f/2.4
f/1.8 & f/2.4 & f/2.4
Has a BSI sensor
✔
-
Has phase-detection autofocus for photos
✔
✔
Supports slow-motion video recording
✔
-
Has a built-in HDR mode
✔
✔
Has a flash
✔
✔
Has a dual-lens (or multi-lens) main camera
✔
✔
Optical zoom
0x
-
Number of flash LEDs
1
-
Has a CMOS sensor
✔
✔
Has manual ISO
✔
✔
Has a serial shot mode
✔
✔
Has manual focus
✔
-
Has a front camera
✔
✔
Has manual white balance
✔
✔
Has touch autofocus
✔
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.0
f/2.0
Has timelapse function
✔
-
Pixel size (main camera)
-
1.25 µm
Operating system
Has theme customization
✔
✔
Has dark mode
✔
-
Has focus modes
✔
-
Has customizable notifications
✔
✔
Supports split screen
✔
✔
Supports instant markup
✔
✔
Supports PiP and PaP
✔
✔
More languages supported
-
✔
Has sharing intents
✔
✔
Has a child lock
✔
✔
Supports widgets
-
✔
Is free and open source
✔
✔
Tracks the current position of a mobile device
✔
✔
Is a multi-user system
✔
✔
Supports widgets
✔
-
The browser has word wrap
✔
✔
Has voice commands
✔
✔
Has offline voice recognition
✔
✔
More languages supported
125
-
Battery
Battery power
5020 mAh
4230 mAh
Supports fast charging
✔
-
Charging speed
18W
-
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Audio
Number of microphones
2
2
Has a socket for a 3.5 mm audio jack
✔
✔
Has a radio
✔
✔
Features
Wi-Fi version
Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Download speed
300 MBits/s
300 MBits/s
Upload speed
100 MBits/s
150 MBits/s
Has USB Type-C
✔
-
USB version
2
2
Has NFC
✔
-
SIM cards
2 SIM
2 SIM
Has a fingerprint scanner
✔
-
Bluetooth version
5
5
Has a gyroscope
✔
-
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Has an infrared sensor
✔
-
Has an accelerometer
✔
✔
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
Xiaomi Redmi 9
Vote for Your option
Oppo A31 (2020)
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