Micromax A57 Ninja 3.0 vs Vertu Signature Touch

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: 98.2 g lighter

    A57 Ninja 3.0:
    93.8 g
    Signature Touch:
    192 g
  • Width

    A57 Ninja 3.0: 7 mm narrower

    A57 Ninja 3.0:
    62 mm
    Signature Touch:
    69 mm
  • Screen diagonal

    A57 Ninja 3.0: 1.2 in smaller diagonal

    A57 Ninja 3.0:
    3.5 in
    Signature Touch:
    4.7 in
  • Depth

    Signature Touch: 0.8 mm thinner

    A57 Ninja 3.0:
    11.5 mm
    Signature Touch:
    10.7 mm
  • Height

    A57 Ninja 3.0: 29 mm shorter

    A57 Ninja 3.0:
    116 mm
    Signature Touch:
    145 mm
  • Release year

    A57 Ninja 3.0:
    2012
    Signature Touch:
    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. A57 Ninja 3.0

    Height:
    116 mm
    Width:
    62 mm
    Depth:
    11.5 mm +0.8 mm versus Signature Touch
  2. 2. Signature Touch

    Height:
    145 mm +29 mm versus A57 Ninja 3.0
    Width:
    69 mm +7 mm versus A57 Ninja 3.0
    Depth:
    10.7 mm

Weight

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

  1. 1. A57 Ninja 3.0

    93.8 g

  2. 2. Signature Touch

    192 g

    +98.2 g versus A57 Ninja 3.0

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. A57 Ninja 3.0

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

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

Signature Touch 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 A57 Ninja 3.0, Signature Touch, compared at the same storage capacity.
StorageA57 Ninja 3.0Signature Touch
64 GB Unknown 2 GB RAM
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. A57 Ninja 3.0

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

2. Signature Touch

NFC:
Yes
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. A57 Ninja 3.0

    1400 mAh

  2. 2. Signature Touch

    2275 mAh

    +875 mAh versus A57 Ninja 3.0

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. A57 Ninja 3.02. Signature Touch

Everyday essentials
Everyday essentials — specifications for A57 Ninja 3.0, Signature Touch.
SpecificationA57 Ninja 3.0Signature Touch
Dimensions (HxWxD)
  • 116 Х 62 Х 11.5 mm
  • 145 Х 69 Х 10.7 mm
Weight
  • 93.8 g
  • 192 g
Technology
  • TFT
  • Sapphire crystal glass
Screen size
  • 3.5" inch
  • 4.7" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB RAM
  • 256 MB
  • 64 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.
  • 1400 mAh
  • Removable Li-Ion
  • 2275 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • Android 4.4.2 (KitKat)
Chipset Unknown
  • Qualcomm Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A57 Ninja 3.0, Signature Touch.
SpecificationA57 Ninja 3.0Signature Touch
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 36.5 cm2
  • 60.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 50.7%
  • 60.9%
PPI /points per inch/
  • 165 PPI
  • 469 PPI
Screen protection Unknown
  • Scratch-proof glass
Camera and Video
Camera and Video — specifications for A57 Ninja 3.0, Signature Touch.
SpecificationA57 Ninja 3.0Signature Touch
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • 13 MP
  • Hasselblad certified
  • AF
Functions Unknown
  • Dual-LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 2.1 MP
  • Single
Specifications Unknown
  • 2.1 MP
Performance

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

Performance — specifications for A57 Ninja 3.0, Signature Touch.
SpecificationA57 Ninja 3.0Signature Touch
Processor CPU
  • 1.0 GHz
  • Quad-core 2.3 GHz Krait 400
Graphics processor GPU
  • Adreno 200
  • Adreno 330
GeekBench 4 Single Core * Unknown
  • 354
GeekBench 4 Multi-Core * Unknown
  • 1174
General specs
General specs — specifications for A57 Ninja 3.0, Signature Touch.
SpecificationA57 Ninja 3.0Signature Touch
Release date
  • 2012
  • September
  • 2014
  • June
Colors
  • Black
  • Jet/ Claret leather
  • pure Jet leather
  • Pure Jet Red Gold
  • Seaspray/ Damson/ Pure navy lizard
  • Jet Alligator
  • Clous De Paris
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 8290 EUR
Battery life
  • Stand by time- Up to 145 h Talking time- Up to 4 h
  • Stand by time- Up to 380 h Talking time- Up to 15 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for A57 Ninja 3.0, Signature Touch.
SpecificationA57 Ninja 3.0Signature Touch
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 17(700)
  • 20(800)
  • 25(1900)
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • 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
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.86 W/kg (head) 0.60 W/kg (body)
  • SAR - 0.69 W/kg (head) 1.29 W/kg (body) SAR EU - 0.49 W/kg (head)
Music and Audio
Music and Audio — specifications for A57 Ninja 3.0, Signature Touch.
SpecificationA57 Ninja 3.0Signature Touch
Radio
  • FM radio
  • No
Others Unknown
  • Dolby Digital Plus audio enhancement -Bang & Olufsen -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A57 Ninja 3.0, Signature Touch.
SpecificationA57 Ninja 3.0Signature Touch
Dop
  • Sensors Accelerometer MP3/AAC/WMA/WAV player -MP4/WMV/H.264 player -Document viewer -Photo viewer/editor
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Titanium body (forged grade 5) and luxurious calf leather covered rear panel - Also known as Vertu Signature Touch RM-980V
  • RM-980C