Celkon A9 Dual vs Xiaomi Mi 9

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 Dual: 57 g lighter

    A9 Dual:
    116 g
    Mi 9:
    173 g
  • Width

    A9 Dual: 10.8 mm narrower

    A9 Dual:
    63.9 mm
    Mi 9:
    74.7 mm
  • Screen diagonal

    A9 Dual: 2.89 in smaller diagonal

    A9 Dual:
    3.5 in
    Mi 9:
    6.39 in
  • Rear camera layout

    A9 Dual:
    Single
    Mi 9:
    Triple
  • Depth

    Mi 9: 3 mm thinner

    A9 Dual:
    10.6 mm
    Mi 9:
    7.6 mm
  • Height

    A9 Dual: 37 mm shorter

    A9 Dual:
    120.5 mm
    Mi 9:
    157.5 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. A9 Dual

    Height:
    120.5 mm
    Width:
    63.9 mm
    Depth:
    10.6 mm +3 mm versus Mi 9
  2. 2. Mi 9

    Height:
    157.5 mm +37 mm versus A9 Dual
    Width:
    74.7 mm +10.8 mm versus A9 Dual
    Depth:
    7.6 mm

Weight

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

  1. 1. A9 Dual

    116 g

  2. 2. Mi 9

    173 g

    +57 g versus A9 Dual

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 Dual

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Mi 9

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

Mi 9 has approximately 174.8% more rectangular screen area than A9 Dual.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A9 Dual: Original memory entry

512 MB · 256 MB RAM

Mi 9: Original memory entry

64/128 GB · 6/8 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 Dual

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

2. Mi 9

NFC:
Yes
Headphone jack:
No
Memory card support:
No

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 Dual

    1350 mAh

  2. 2. Mi 9

    3300 mAh

    +1950 mAh versus A9 Dual

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. A9 Dual2. Mi 9

Everyday essentials
Everyday essentials — specifications for A9 Dual, Mi 9.
SpecificationA9 DualMi 9
Dimensions (HxWxD)
  • 120.5 Х 63.9 Х 10.6 mm
  • 157.5 Х 74.7 Х 7.6 mm
Weight
  • 116 g
  • 173 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3.5" inch
  • 6.39" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 64/128 GB
  • 6/8 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 9.0 (Pie)
Chipset Unknown
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for A9 Dual, Mi 9.
SpecificationA9 DualMi 9
Touchscreen
  • capacitive touchscreen
  • Super AMOLED capacitive touchs
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 100.2 cm2
Screen format
  • 3:2 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 47.4%
  • 85.2%
PPI /points per inch/
  • 165 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 6
Camera and Video

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

Camera and Video — specifications for A9 Dual, Mi 9.
SpecificationA9 DualMi 9
Rear camera, main
  • 2 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 2 MP
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • Laser/PDAF -16 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/3.0''
  • 1.0µm
  • Laser/PDAF -12 MP
  • 54mm (telephoto)
  • 1/3.6''
  • Laser/PDAF
  • 2x optical zoom
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • VGA
  • 20 MP
  • f/2.0
  • 0.9μm
DxOMark Main Score * Unknown
  • 110
DxOMark Photo * Unknown
  • 115
DxOMark Video * Unknown
  • 99
Performance

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

Performance — specifications for A9 Dual, Mi 9.
SpecificationA9 DualMi 9
Processor CPU
  • Dual-core 1.0 GHz
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU Unknown
  • Adreno 640
Antutu 7 score * Unknown
  • 371108
GeekBench 4 Single Core * Unknown
  • 3235
GeekBench 4 Multi-Core * Unknown
  • 10405
GeekBench 4 RenderScript * Unknown
  • 7120
Antutu 8 score * Unknown
  • 445567
GeekBench 4 Battery * Unknown
  • 6086
GeekBench 5 Single Core * Unknown
  • 678
GeekBench 5 Multi-Core * Unknown
  • 2575
General specs
General specs — specifications for A9 Dual, Mi 9.
SpecificationA9 DualMi 9
Release date
  • 2014
  • 2019
  • February
Colors
  • White
  • Black
  • Lavender Violet
  • Ocean Blue
  • Piano Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 450 EUR
Battery life
  • Stand by time- Up to 240 h Talking time- Up to 3 h 20 min
Unknown
Body build Unknown
  • Back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for A9 Dual, Mi 9.
SpecificationA9 DualMi 9
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
Speed Unknown
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
  • aptX HD
Harmful irradiation
  • SAR EU - 0.61 W/kg (head) 0.69 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A9 Dual, Mi 9.
SpecificationA9 DualMi 9
Radio
  • FM radio
  • No
Others Unknown
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A9 Dual, Mi 9.
SpecificationA9 DualMi 9
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (Quick Charge 4+) -Fast wireless charging 20W