Category Breakdown
Oppo A11
Xiaomi Redmi Note 9
Performance
73.173.9
Camera
62.729.9
Display
56.572.9
Battery
33.735.9
Build
67.989.0
Connectivity
62.362.8
Audio
87.68.9
Overall
54.050.5
Summary
- The Oppo A11 features a 6.5-inch IPS LCD display with a resolution of 720 x 1600 pixels, while the Xiaomi Redmi Note 9 has a slightly larger 6.53-inch IPS LCD display with a higher resolution of 1080 x 2340 pixels, resulting in better pixel density.
- In terms of performance, the A11 is powered by the Snapdragon 665 chipset, whereas the Redmi Note 9 utilizes the Helio G85, which generally offers improved gaming performance.
- The camera setup on the Redmi Note 9 is significantly more advanced, with a 48 MP main sensor compared to the A11's 12 MP, providing better image quality.
- Both phones have similar battery capacities, with the A11 at 5000 mAh and the Redmi Note 9 at 5020 mAh, but the latter supports faster charging at 18W.
- Regarding software, the A11 runs on Android 9 with ColorOS, while the Redmi Note 9 ships with Android 10 and is upgradable to Android 11, offering a more recent software experience.
- Both devices have a plastic build, but the Redmi Note 9 includes Gorilla Glass 5 on the front for added durability.
Side-by-side Specification Comparison
Oppo A11
Xiaomi Redmi Note 9
General
Release Date
2019
2020, April 30
Announced
2019
2020, April 30
Description
N/A
N/A
Display
Size
6.5"
6.53"
Type
IPS LCD
IPS LCD, 450 nits (typ)
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 5
Performance
Chipset
Qualcomm SDM665 Snapdragon 665 (11 nm)
Mediatek MT6769Z Helio G85 (12 nm)
CPU
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Adreno 610
Mali-G52 MC2
Memory
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 256GB 6GB RAM
64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
12 MP, f/1.8, (wide), PDAF8 MP, f/2.3, 13mm (ultrawide), 1/4.0", 1.12µm, AF2 MP, f/2.4, 1/5.0", 1.75µm2 MP, f/2.4, (depth)
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm2 MP, f/2.4, (macro), AF2 MP, f/2.4, (depth)
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
8 MP, f/2.0
13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm
Front Camera Features
HDR
HDR, panorama
Video Recording
4K@30fps, 1080p@30fps, gyro-EIS
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5000 mAh
5020 mAh
Battery Details
Li-Po 5000 mAh, non-removable
Li-Po 5020 mAh
Charging Details
10W wiredReverse wired
18W wired9W reverse wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
163.6 x 75.6 x 9.1 mm (6.44 x 2.98 x 0.36 in)
162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in)
Weight
195 g
199 g
Materials
Glass front, plastic back, plastic frame
Glass front (Gorilla Glass 5), plastic frame, plastic back
Colors
Purple, Lake Green, Cloud White
Forest Green, Midnight Grey, Polar White
Foldable
✗
✗
SAR
N/A
0.84 W/kg (head) 0.90 W/kg (body)
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✗
✓
USB
USB Type-C 2.0
USB Type-C 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, QZSS, BDS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 9.0 (Pie), ColorOS 6.0
Android 10, upgradable to Android 11, MIUI 12.5 E
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

