Celkon A99 vs Xiaomi MI-2s

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

    A99: 25 g lighter

    A99:
    120 g
    MI-2s:
    145 g
  • Width

    MI-2s: 2 mm narrower

    A99:
    64 mm
    MI-2s:
    62 mm
  • Screen diagonal

    A99: 0.3 in smaller diagonal

    A99:
    4 in
    MI-2s:
    4.3 in
  • Depth

    MI-2s: 1.1 mm thinner

    A99:
    11.3 mm
    MI-2s:
    10.2 mm
  • Height

    A99: 4.6 mm shorter

    A99:
    121.4 mm
    MI-2s:
    126 mm
  • Release year

    A99:
    2012
    MI-2s:
    2013

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. A99

    Height:
    121.4 mm
    Width:
    64 mm +2 mm versus MI-2s
    Depth:
    11.3 mm +1.1 mm versus MI-2s
  2. 2. MI-2s

    Height:
    126 mm +4.6 mm versus A99
    Width:
    62 mm
    Depth:
    10.2 mm

Weight

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

  1. 1. A99

    120 g

  2. 2. MI-2s

    145 g

    +25 g versus A99

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. A99

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. MI-2s

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 cm²

MI-2s has approximately 7% more rectangular screen area than A99.

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 A99, MI-2s, compared at the same storage capacity.
StorageA99MI-2s
16 GB Unknown 2 GB RAM
32 GB Unknown 2 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. A99

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

2. MI-2s

NFC:
Unknown
Headphone jack:
Yes
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. A99

    1200 mAh

  2. 2. MI-2s

    2000 mAh

    +800 mAh versus A99

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. A992. MI-2s

Everyday essentials
Everyday essentials — specifications for A99, MI-2s.
SpecificationA99MI-2s
Dimensions (HxWxD)
  • 121.4 Х 64 Х 11.3 mm
  • 126 Х 62 Х 10.2 mm
Weight
  • 120 g
  • 145 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 4.3" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • Android 4.1 (Jelly Bean)
  • upgradable to 4.4.4 (KitKat); MIUI 5
Chipset Unknown
  • Qualcomm APQ8064 Snapdragon S4 Pro
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A99, MI-2s.
SpecificationA99MI-2s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 47.6 cm2
  • 51.0 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 61.3%
  • 65.2%
PPI /points per inch/
  • 144 PPI
  • 342 PPI
Camera and Video
Camera and Video — specifications for A99, MI-2s.
SpecificationA99MI-2s
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • f/2.2 (16 GB version) -13 MP
  • f/2.2
  • AF (32 GB version)
Functions Unknown
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance

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

Performance — specifications for A99, MI-2s.
SpecificationA99MI-2s
Processor CPU
  • 650 MHz
  • Quad-core 1.7 GHz Krait 300
Graphics processor GPU Unknown
  • Adreno 320
Antutu 7 score * Unknown
  • 24191
General specs
General specs — specifications for A99, MI-2s.
SpecificationA99MI-2s
Release date
  • 2012
  • 2013
  • April
Colors
  • Black
  • Black/White
  • black/blue
  • black/yellow
  • Black/Green
  • black/pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 250 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 3 h
  • Stand by time- Up to 450 h (3G) Talking time- Up to 15 h (3G) Music play - Up to 45 h
Communication and Connectivity
Communication and Connectivity — specifications for A99, MI-2s.
SpecificationA99MI-2s
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0 (MHL TV-out)
  • USB Host
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for A99, MI-2s.
SpecificationA99MI-2s
Radio
  • Stereo FM radio
  • RDS
  • recordin
  • FM radio
Others Unknown
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A99, MI-2s.
SpecificationA99MI-2s
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass