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What are the differences between OPPO A31 (A31c/Telecom 4G) and Hongmi 9A

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Redmi 9A
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Redmi 9A
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      E-commerce quotation
      Dealer quotation
      Basic parameters
      comment
      Listing date
      May 2015
      August 1, 2020
      Use Scenarios
      4G mobile phone, 3G mobile phone, smart phone, camera phone
      4G mobile phone, 3G mobile phone, smart phone, tablet phone, camera phone, elderly mobile phone
      body material
      Metal frame
      body color
      fingerprint identification
      Face recognition
      support
      appearance
      length
      131.9mm
      164.9mm
      width
      65.54mm
      77.07mm
      thickness
      8.03mm
      9mm
      weight
      135g
      194g
      Other appearance parameters
      Streaming mirror design on the back
      Hardware
      CPU model
      Qualcomm Snapdragon MSM8916
      MediaTek Helio G25
      CPU frequency
      1.2GHz
      2.0Ghz
      Number of CPU cores
      Quad core
      Eight cores
      RAM capacity
      1GB Caton
      4GB good
      ROM capacity
      8GB
      1638 sheets
      682 songs
      64GB
      13000
      5461 songs
      Memory card
      MicroSD card
      MicroSD card
      Expand capacity
      128GB
      512GB
      Factory system kernel
      Android 4.4
      Android 10
      GPU model
      IMG PowerVR GE8320
      RAM storage type
      ROM storage type
      speaker
      1217 speaker
      operating system
      MIUI 12
      screen
      Screen size
      4.5 inches One hand operation
      6.53 in Two handed operation
      resolving power
      854x480 pixels
      720P Puqing
      1600x720 pixels
      720P Puqing
      Screen material
      TFT material (IPS technology)
      Pixel density
      218ppi Puqing
      Screen proportion
      64.54% Low screen proportion
      Touch screen type
      Capacitive screen, multi touch
      Capacitive screen, multi touch
      Screen brightness
      400nits
      Screen technology
      Corning's third generation gorilla glass, TUV Rheinland low blue light certification
      contrast ratio
      1500:1
      camera
      Total number of cameras
      two
      two
      pixel
      Rear camera 1: 8 million pixels
      Front camera 1: 2 million pixels
      Rear camera 1:13 million pixels
      Front camera 1: 5 million pixels
      aperture
      f/2.2
      Sensor type
      General CMOS
      Other camera parameters
      Sapphire crystal lens, single pixel size 1.4 μ m
      flash lamp
      Photo function
      Video capture
      Rear camera function
      AI camera 5.0, 27 kinds of scene recognition, standard HDR, portrait mode, time-lapse photography, short video kaleidoscope
      Front camera function
      Beauty, HDR, gesture photography, portrait mode, background virtualization, video face detection, short video kaleidoscope
      Network and connection
      Network type
      4G (telecommunications), 3G
      4G 3G
      4G network
      4G network
      3G network
      Telecom 3G (CDMA2000), Unicom 2G/Mobile 2G (GSM)
      Network band
      2G:GSM 850/900/1800/1900 3G:CDMA EVDO 800 4G:TD-LTE 2555-2655 4G:FDD-LTE 1800/2100
      2G:GSM B2/3/5/8 3G:CDMA BC0 3G:WCDMA B1/5/8 3G:TD-SCDMA B34/39 4G:TDD-LTE B34/38/39/40/41 4G:FDD-LTE B1/3/5/8
      SIM card type
      Dual cards (Nano SIM card/Micro SIM card)
      Dual card (2+1 card slot, dual Nano SIM card+micro SD card)
      WLAN function
      WiFi4
      Single frequency WiFi, WiFi Display
      Positioning navigation
      GPS navigation, A-GPS technology
      GPS navigation, A-GPS technology, GLONASS navigation, Beidou navigation
      Connect and share
      WLAN hotspot, OTG, Bluetooth 4.0
      WLAN hotspot, VoLTE
      Airframe interface
      3.5mm headphone connector , Micro USB 2.0 interface
      Bluetooth
      Bluetooth 5.0
      NFC
      Other network parameters
      All Netcom 5.0
      Battery and endurance
      Battery type
      Non removable battery
      Non removable battery
      Battery capacity
      2000mAh Small capacity
      5000mAh ultra-large capacity
      Wireless charging
      Endurance
      Theoretical talk time: 2022 minutes Theoretical standby time: 792 hours
      Wired charging
      10w(5V/2A)
      Functions and services
      a sensor
      Gravity sensor, light sensor, distance sensor, electronic compass
      Acceleration sensor, ambient light sensor, distance sensor, vibration motor
      Three prevention function
      Audio support
      Support PCM/AAC/AAC+/eAAC+/MP 3/AMR-NB/WB/FLAC/APE format
      Video support
      Support new generation video codec technology, H.264, MPEG4, VC-1 and other formats
      Picture support
      Support JPEG and other formats
      Phone accessories
      Packing list
      Host x1 Data cable x1 Headphone x1 Charger x1 Instruction x1
      Mobile host x1 Power adapter x1 Micro USB cable x1 San Bao Certificate x1 Getting Started Guide x1 Pin x1
      Warranty Information
      warranty policy
      National joint insurance, enjoying three guarantees service
      National joint insurance, enjoying three guarantees service
      Warranty period
      1 year
      1 year
      Warranty remarks
      Host 1 year, battery 6 months, charger 1 year, wired headset 3 months
      Host 1 year, battery 1 year, charger 1 year
      customer service telephone numbers
      400-166-6888
      400-100-5678
      Phone notes
      This hotline should be charged according to the local standard
      Monday to Sunday: 8:00 - 18:00 (closing call only)
      Details
      From the date of purchase (subject to the purchase invoice), if there is a quality problem or failure, you can return the goods within 7 days, replace the goods within 30 days, and enjoy free warranty and other three guarantee services within the warranty period with the quality inspection certificate of the manufacturer's maintenance center or special maintenance point! Note: Users who purchase mobile phone accessories separately, please keep the outer packaging of the accessories and the original invoice intact. If they cannot provide the above vouchers, they will not be able to carry out normal parts warranty or replacement. Enter the official website>>
      From the date of purchase (subject to the purchase invoice), if there is a quality problem or failure, you can return the goods within 7 days, replace the goods within 15 days, and enjoy free warranty and other three guarantee services within the warranty period with the quality inspection certificate of the manufacturer's maintenance center or special maintenance point! Note: Users who purchase mobile phone accessories separately, please keep the outer packaging of the accessories and the original invoice intact. If they cannot provide the above vouchers, they will not be able to carry out normal parts warranty or replacement. Enter the official website>>
      Hardware score
      Antutu test
      twenty-one thousand three hundred and ninety
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