Amazon Fire Phone vs Micromax A57 Ninja 3.0

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

    A57 Ninja 3.0: 66.2 g lighter

    Fire Phone:
    160 g
    A57 Ninja 3.0:
    93.8 g
  • Width

    A57 Ninja 3.0: 4.5 mm narrower

    Fire Phone:
    66.5 mm
    A57 Ninja 3.0:
    62 mm
  • Screen diagonal

    A57 Ninja 3.0: 1.2 in smaller diagonal

    Fire Phone:
    4.7 in
    A57 Ninja 3.0:
    3.5 in
  • Depth

    Fire Phone: 2.6 mm thinner

    Fire Phone:
    8.9 mm
    A57 Ninja 3.0:
    11.5 mm
  • Height

    A57 Ninja 3.0: 23.2 mm shorter

    Fire Phone:
    139.2 mm
    A57 Ninja 3.0:
    116 mm
  • Release year

    Fire Phone:
    2014
    A57 Ninja 3.0:
    2012

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. Fire Phone

    Height:
    139.2 mm +23.2 mm versus A57 Ninja 3.0
    Width:
    66.5 mm +4.5 mm versus A57 Ninja 3.0
    Depth:
    8.9 mm
  2. 2. A57 Ninja 3.0

    Height:
    116 mm
    Width:
    62 mm
    Depth:
    11.5 mm +2.6 mm versus Fire Phone

Weight

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

  1. 1. Fire Phone

    160 g

    +66.2 g versus A57 Ninja 3.0

  2. 2. A57 Ninja 3.0

    93.8 g

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. Fire Phone

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. A57 Ninja 3.0

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

Fire Phone has approximately 66.9% more rectangular screen area than A57 Ninja 3.0.

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 Fire Phone, A57 Ninja 3.0, compared at the same storage capacity.
StorageFire PhoneA57 Ninja 3.0
32 GB 2 GB RAM Unknown
64 GB 2 GB RAM Unknown
A57 Ninja 3.0: Original memory entry

512 MB RAM · 256 MB

Practical features

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

1. Fire Phone

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details panorama

2. A57 Ninja 3.0

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

    2400 mAh

    +1000 mAh versus A57 Ninja 3.0

  2. 2. A57 Ninja 3.0

    1400 mAh

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. Fire Phone2. A57 Ninja 3.0

Everyday essentials
Everyday essentials — specifications for Fire Phone, A57 Ninja 3.0.
SpecificationFire PhoneA57 Ninja 3.0
Dimensions (HxWxD)
  • 139.2 Х 66.5 Х 8.9 mm
  • 116 Х 62 Х 11.5 mm
Weight
  • 160 g
  • 93.8 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.7" inch
  • 3.5" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32/64 GB
  • 2 GB RAM
  • 512 MB RAM
  • 256 MB
Memory card support
  • panorama
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2400 mAh
  • Non-removable Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Amazon Fire 3.5 (Android based)
  • upgradable to 3.6.5
  • Android 2.3.5 (Gingerbread)
Chipset
  • Qualcomm Snapdragon 800 (28 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Fire Phone, A57 Ninja 3.0.
SpecificationFire PhoneA57 Ninja 3.0
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 60.9 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 65.8%
  • 50.7%
PPI /points per inch/
  • 312 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 3 (front and back)
Unknown
Camera and Video
Camera and Video — specifications for Fire Phone, A57 Ninja 3.0.
SpecificationFire PhoneA57 Ninja 3.0
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • DTS HD sound -Active noise cancellation with dedicated mic
  • AF
  • 3.15 MP
Functions
  • Dual-LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2.1 MP
  • Single
  • 0 MP,
Specifications
  • 2.1 MP
Unknown
Performance

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

Performance — specifications for Fire Phone, A57 Ninja 3.0.
SpecificationFire PhoneA57 Ninja 3.0
Processor CPU
  • Quad-core 2.2 GHz Krait 400
  • 1.0 GHz
Graphics processor GPU
  • Adreno 330
  • Adreno 200
Antutu 7 score *
  • 137456
Unknown
GeekBench 4 Single Core *
  • 17458
Unknown
GeekBench 4 Multi-Core *
  • 2125
Unknown
General specs
General specs — specifications for Fire Phone, A57 Ninja 3.0.
SpecificationFire PhoneA57 Ninja 3.0
Release date
  • 2014
  • June
  • 2012
  • September
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 285 h Talking time- Up to 22 h Music play - Up to 65 h
  • Stand by time- Up to 145 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Fire Phone, A57 Ninja 3.0.
SpecificationFire PhoneA57 Ninja 3.0
SIM card
  • Dual SIM (Nano-SIM
  • Dual SIM (Mini-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900-3G - HSDPA 850 / 900 / 1700 / 1900 / 2100-4G - LTE band 1(2100)
  • 20(800) LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 17(700)
  • 20(800)
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • 2.0
Harmful irradiation Unknown
  • SAR - 0.86 W/kg (head) 0.60 W/kg (body)
Music and Audio
Music and Audio — specifications for Fire Phone, A57 Ninja 3.0.
SpecificationFire PhoneA57 Ninja 3.0
Radio
  • panorama
  • FM radio
Others
  • 3D Dynamic Perspective UI (based on 4 front cameras) -System wide tilt
  • auto-scroll
  • swivel
  • and peek functions
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Fire Phone, A57 Ninja 3.0.
SpecificationFire PhoneA57 Ninja 3.0
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Firefly technology
  • Sensors Accelerometer MP3/AAC/WMA/WAV player -MP4/WMV/H.264 player -Document viewer -Photo viewer/editor