Celkon A99 vs Spice Mi-451 3G

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: 36 g lighter

    A99:
    120 g
    Mi-451 3G:
    156 g
  • Width

    A99: 5.5 mm narrower

    A99:
    64 mm
    Mi-451 3G:
    69.5 mm
  • Depth

    Mi-451 3G: 2.6 mm thinner

    A99:
    11.3 mm
    Mi-451 3G:
    8.7 mm
  • Height

    A99: 13.1 mm shorter

    A99:
    121.4 mm
    Mi-451 3G:
    134.5 mm
  • Release year

    A99:
    2012
    Mi-451 3G:
    2014

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
    Depth:
    11.3 mm +2.6 mm versus Mi-451 3G
  2. 2. Mi-451 3G

    Height:
    134.5 mm +13.1 mm versus A99
    Width:
    69.5 mm +5.5 mm versus A99
    Depth:
    8.7 mm

Weight

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

  1. 1. A99

    120 g

  2. 2. Mi-451 3G

    156 g

    +36 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. A99

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. Mi-451 3G

    Mi-451 3G: Screen geometry unavailable or conflicting.

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.

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-451 3G

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

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-451 3G

    1450 mAh

    +250 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-451 3G

Everyday essentials
Everyday essentials — specifications for A99, Mi-451 3G.
SpecificationA99Mi-451 3G
Dimensions (HxWxD)
  • 121.4 Х 64 Х 11.3 mm
  • 134.5 Х 69.5 Х 8.7 mm
Weight
  • 120 g
  • 156 g
Technology
  • TFT
Unknown
Screen size
  • 4" inch
  • 0" inch
Screen resolution
  • 320 x 480 px
  • 480 x 854 px
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Li-Ion
  • 1450 mAh
  • Li-Ion
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • Android 4.4 (KitKat)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A99, Mi-451 3G.
SpecificationA99Mi-451 3G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 47.6 cm2
Unknown
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 61.3%
Unknown
PPI /points per inch/
  • 144 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for A99, Mi-451 3G.
SpecificationA99Mi-451 3G
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • 3.15 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for A99, Mi-451 3G.
SpecificationA99Mi-451 3G
Processor CPU
  • 650 MHz
Unknown
General specs
General specs — specifications for A99, Mi-451 3G.
SpecificationA99Mi-451 3G
Release date
  • 2012
  • 2014
Colors
  • Black
  • White
  • Gray
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 3 h
  • Stand by time- Up to 60 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for A99, Mi-451 3G.
SpecificationA99Mi-451 3G
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • A-GPS only
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 2.1
  • A2DP
  • 2.0
Music and Audio
Music and Audio — specifications for A99, Mi-451 3G.
SpecificationA99Mi-451 3G
Radio
  • Stereo FM radio
  • RDS
  • recordin
  • FM radio
Other features
Other features — specifications for A99, Mi-451 3G.
SpecificationA99Mi-451 3G
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input
  • Sensors Accelerometer Also known as Spice Stellar 451 3G