Oppo A9 vs Xiaomi Redmi Note 9 Pro

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    A9: 19 g lighter

    A9:
    190 g
    Redmi Note 9 Pro:
    209 g
  • Chipset

    A9:
    Mediatek Helio P70 (12nm)
    Redmi Note 9 Pro:
    Qualcomm SM7125 Snapdragon 720G (8 nm)
  • Rear camera layout

    A9:
    Dual
    Redmi Note 9 Pro:
    Quad
  • Depth

    A9: 0.5 mm thinner

    A9:
    8.3 mm
    Redmi Note 9 Pro:
    8.8 mm
  • Height

    A9: 3.8 mm shorter

    A9:
    162 mm
    Redmi Note 9 Pro:
    165.8 mm
  • Release year

    A9:
    2019
    Redmi Note 9 Pro:
    2020

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. A9

    Height:
    162 mm
    Width:
    76.1 mm
    Depth:
    8.3 mm
  2. 2. Redmi Note 9 Pro

    Height:
    165.8 mm +3.8 mm versus A9
    Width:
    76.7 mm
    Depth:
    8.8 mm +0.5 mm versus A9

Weight

Bars start at zero and share a scale within this chart.

  1. 1. A9

    190 g

  2. 2. Redmi Note 9 Pro

    209 g

    +19 g versus A9

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. A9

    Screen diagonal:
    6.53 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    104.7 cm²
  2. 2. Redmi Note 9 Pro

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²

Redmi Note 9 Pro has approximately 2.6% more rectangular screen area than A9.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for A9, Redmi Note 9 Pro, compared at the same storage capacity.
StorageA9Redmi Note 9 Pro
64 GB Not recorded 4 GB RAM
128 GB Recorded for all phones 6 GB RAM 6 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A9

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

2. Redmi Note 9 Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. A9

    4020 mAh

  2. 2. Redmi Note 9 Pro

    5020 mAh

    +1000 mAh versus A9

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. A92. Redmi Note 9 Pro

Everyday essentials
Everyday essentials — specifications for A9, Redmi Note 9 Pro.
SpecificationA9Redmi Note 9 Pro
Dimensions (HxWxD)
  • 162 Х 76.1 Х 8.3 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 190 g
  • 209 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.53" inch
  • 6.67" inch
Screen resolution
  • 1080 x 2340 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4020 mAh
  • Non-removable Li-Po
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); ColorOS 6
  • Android 10.0; MIUI 11
Chipset
  • Mediatek Helio P70 (12nm)
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A9, Redmi Note 9 Pro.
SpecificationA9Redmi Note 9 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 104.7 cm2
  • 107.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 84.9%
  • 84.5%
PPI /points per inch/
  • 395 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for A9, Redmi Note 9 Pro.
SpecificationA9Redmi Note 9 Pro
Rear camera, main
  • 16 MP
  • Dual
  • 48 MP
  • Quad
Camera specs
  • 16 MP
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -5 MP
  • f/2.4
  • (macro)
  • 1.12µm -2 MP
  • (depth)
Functions
  • HDR
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 16 MP
  • 16 MP
  • f/2.5
  • (wide)
  • 1.0µm
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for A9, Redmi Note 9 Pro.
SpecificationA9Redmi Note 9 Pro
Processor CPU
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU
  • Mali-G72 MP3
  • Adreno 618
Antutu 8 score *
  • 175916
  • 275962
General specs
General specs — specifications for A9, Redmi Note 9 Pro.
SpecificationA9Redmi Note 9 Pro
Release date
  • 2019
  • April
  • 2020
  • March 12
Colors
  • Mica Green
  • Ice Jade White
  • Fluorite Purple
  • Aurora Blue
  • Glacier white
  • Interstellar Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 160 EUR
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for A9, Redmi Note 9 Pro.
SpecificationA9Redmi Note 9 Pro
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Yes
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • NavIC
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A9, Redmi Note 9 Pro.
SpecificationA9Redmi Note 9 Pro
Radio
  • FM radio
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for A9, Redmi Note 9 Pro.
SpecificationA9Redmi Note 9 Pro
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof