Celkon A22 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

    A22: 64 g lighter

    A22:
    145 g
    Redmi Note 9 Pro:
    209 g
  • Width

    A22: 9.7 mm narrower

    A22:
    67 mm
    Redmi Note 9 Pro:
    76.7 mm
  • Screen diagonal

    A22: 2.17 in smaller diagonal

    A22:
    4.5 in
    Redmi Note 9 Pro:
    6.67 in
  • Rear camera layout

    A22:
    Single
    Redmi Note 9 Pro:
    Quad
  • Depth

    Redmi Note 9 Pro: 1.1 mm thinner

    A22:
    9.9 mm
    Redmi Note 9 Pro:
    8.8 mm
  • Height

    A22: 34.8 mm shorter

    A22:
    131 mm
    Redmi Note 9 Pro:
    165.8 mm

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. A22

    Height:
    131 mm
    Width:
    67 mm
    Depth:
    9.9 mm +1.1 mm versus Redmi Note 9 Pro
  2. 2. Redmi Note 9 Pro

    Height:
    165.8 mm +34.8 mm versus A22
    Width:
    76.7 mm +9.7 mm versus A22
    Depth:
    8.8 mm

Weight

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

  1. 1. A22

    145 g

  2. 2. Redmi Note 9 Pro

    209 g

    +64 g versus A22

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. A22

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 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 92.4% more rectangular screen area than A22.

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 A22, Redmi Note 9 Pro, compared at the same storage capacity.
StorageA22Redmi Note 9 Pro
64 GB Unknown 4 GB RAM
128 GB Unknown 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. A22

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

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. A22

    2000 mAh

  2. 2. Redmi Note 9 Pro

    5020 mAh

    +3020 mAh versus A22

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. A222. Redmi Note 9 Pro

Everyday essentials
Everyday essentials — specifications for A22, Redmi Note 9 Pro.
SpecificationA22Redmi Note 9 Pro
Dimensions (HxWxD)
  • 131 Х 67 Х 9.9 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 145 g
  • 209 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.67" inch
Screen resolution
  • 540 x 960 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.0.4 (Ice Cream Sandwich)
  • Android 10.0; MIUI 11
Chipset Unknown
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A22, Redmi Note 9 Pro.
SpecificationA22Redmi Note 9 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 107.4 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 63.6%
  • 84.5%
PPI /points per inch/
  • 245 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for A22, Redmi Note 9 Pro.
SpecificationA22Redmi Note 9 Pro
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 8 MP
  • AF
  • 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
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications Unknown
  • 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 A22, Redmi Note 9 Pro.
SpecificationA22Redmi Note 9 Pro
Processor CPU
  • Dual-core 1.0 GHz
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU Unknown
  • Adreno 618
Antutu 8 score * Unknown
  • 275962
General specs
General specs — specifications for A22, Redmi Note 9 Pro.
SpecificationA22Redmi Note 9 Pro
Release date
  • 2012
  • September
  • 2020
  • March 12
Colors
  • White
  • Aurora Blue
  • Glacier white
  • Interstellar Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 160 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 9 h 10 min
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for A22, Redmi Note 9 Pro.
SpecificationA22Redmi Note 9 Pro
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • 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
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • NavIC
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A22, Redmi Note 9 Pro.
SpecificationA22Redmi Note 9 Pro
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for A22, Redmi Note 9 Pro.
SpecificationA22Redmi Note 9 Pro
Dop
  • Sensors Accelerometer MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Photo viewer/editor
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof