Oppo A91 vs. Xiaomi Redmi Note 9S

Oppo A91
  • 6.4" (2400x1080) AMOLED
  • 8GB
    MT6771V/CT) SoC     128GB Storage
  • 48-MP, f/1.8 1 Rear Camera
  • 4025 mAh VOOC 3.0
Xiaomi Redmi Note 9S
  • 6.67" (2400x1080) IPS LCD
  • 4GB/6GB
    Snapdragon 720 SoC     64GB/128GB Storage
  • 48-MP, f/1.79 1 Rear Camera
  • 5020 mAh

Specifications Highlights
Product NameA91Redmi Note 9S
ProductOppo A91 (Launched 2019-12-01)Redmi Note 9S (Launched 2020-03-23)
Display6.4" 2400x1080 AMOLED 6.67" 2400x1080 IPS LCD
Rear Camera(s)
  • 48-MP f/1.8 (Primary)
  • 48-MP f/1.79 (Primary)
Selfie Camera(s)
  • 16-MP f/2
  • 16-MP f/2.48
Computing
  • MT6771V/CT) SoC
  • 8GB RAM
  • 128GB Storage
  • MicroSDXC
  • Snapdragon 720 SoC
  • 4GB/6GB RAM
  • 64GB/128GB Storage
  • MicroSDXC
Battery4025 mAh, VOOC 3.05020 mAh
DesignIP Rating, 172g (6.1oz), 73.3x160.2x7.9 mm (2.89 x 6.31 x 0.31 inches)IP Rating, 209g (7.4oz), 76.68x165.75x8.8 mm (3.02 x 6.53 x 0.35 inches)
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Display
Product NameA91Redmi Note 9S
TypeAMOLEDIPS LCD
Diagonal (inches)6.4"6.67"
Display/Body Ratio84.2%84.5%
Resolution2400x10802400x1080
Sharpness (PPI)411 PPI395 PPI
Brightness (specs)450 NITs
Display Glass TypeGorilla Glass 5
Features
  • Multitouch
  • Glossy
  • Multitouch
  • Glossy
  • 2.5D
Color Depth24 bit (16,777,216 Colors)24 bit (16,777,216 Colors)
Primary Camera
Product NameA91Redmi Note 9S
Megapixel48-MP48-MP
Aperturef/1.8f/1.79
Sensor SizeMediumMedium
Hardware Features
  • Dual LED Flash
  • LED Flash
  • LED Flash
Battery
Product NameA91Redmi Note 9S
Battery TypeLi-PolyLi-Poly
Battery Capacity (mAh)4025 mAh5020 mAh
Battery Features
  • Fast Charge
  • Non-Removable
  • Fast Charge
  • Non-Removable
Fast-Charge ProtocolVOOC 3.0
Computing
Product NameA91Redmi Note 9S
Processor BrandMediaTekQualcomm
Processor NameMT6771V/CT)Snapdragon 720
Processor ModelMT6771V/CT)
Processor # Cores88
Main Processor Frequency (GHz)2.1 GHz2.3 GHz
RAM Options8GB4GB/6GB
Internal Storage Options128GB64GB/128GB
Memory Card TypeMicroSDXCMicroSDXC
Operating System + VersionAndroid 9.0Android 10
Communications
Product NameA91Redmi Note 9S
LTE Category (Download)LTE CAT12 603 Mbps
LTE Bands1, 39, 40, 41, 5, 7, 81, 3, 40, 41, 5, 7, 8
Modem Features
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • TD-SCDMA
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • EV-DO A
  • TD-SCDMA
  • TD-HSDPA
WiFi Speed
  • a
  • b
  • g
  • n
  • ac
  • a
  • b
  • g
  • n
  • ac
WiFi Features
  • Dual-band
  • Hotspot
  • WiFi Direct
  • Dual-band
  • Hotspot
  • WiFi Direct
Bluetooth VersionBluetooth 5.0Bluetooth 5.0
Bluetooth Features
  • A2DP
  • BT LE
  • A2DP
  • BT EDR
  • HID
  • BT LE
NFC Features
  • NFC Supported
Connector TypeUSB Type CUSB Type C
Connector Features
  • USB 2.0
  • USB OTG
  • USB 2.0
  • USB OTG
Sim Card 0
Product NameA91Redmi Note 9S
NameSIM0SIM0
SIM TypeNano SIMNano SIM
Sim Card 1
Product NameA91Redmi Note 9S
NameSIM0SIM1
SIM TypeNano SIM/MicroSDNano SIM
Multimedia
Product NameA91Redmi Note 9S
Multimedia Features
  • IR
Audio Features
  • Loudspeaker
  • FM Radio
  • 3.5mm Port
  • Loudspeaker
  • FM Radio
  • 3.5mm Port
Audio Formats
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
Video Formats
  • DIVX
  • H.263
  • H.264
  • MPEG-4
  • MP4
  • XVID
  • DIVX
  • H.263
  • H.264
  • MPEG-4
  • H.265
  • MP4
  • VC-1
  • XVID
Sensors
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • Galileo

Oppo A91 vs. Xiaomi Redmi Note 9S Specs & Speed Benchmarks

Battery Capacity (mAh)

Higher is better