Amoi E72 vs Micromax A50 Ninja

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.

  • Width

    E72: 16.2 mm narrower

    E72:
    44.8 mm
    A50 Ninja:
    61 mm
  • Depth

    A50 Ninja: 1.8 mm thinner

    E72:
    14.8 mm
    A50 Ninja:
    13 mm
  • Height

    E72: 13 mm shorter

    E72:
    100 mm
    A50 Ninja:
    113 mm
  • Release year

    E72:
    2007
    A50 Ninja:
    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. E72

    Height:
    100 mm
    Width:
    44.8 mm
    Depth:
    14.8 mm +1.8 mm versus A50 Ninja
    Weight:
    150 g
  2. 2. A50 Ninja

    Height:
    113 mm +13 mm versus E72
    Width:
    61 mm +16.2 mm versus E72
    Depth:
    13 mm
    Weight:
    Unknown

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. E72

    E72: Screen geometry unavailable or conflicting.

  2. 2. A50 Ninja

    Screen diagonal:
    3.1 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    29.8 cm²

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.

E72: Original memory entry

64 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. E72

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

2. A50 Ninja

NFC:
Unknown
Headphone jack:
See details TBD
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. E72

    1100 mAh

  2. 2. A50 Ninja

    1200 mAh

    +100 mAh versus E72

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. E722. A50 Ninja

Everyday essentials
Everyday essentials — specifications for E72, A50 Ninja.
SpecificationE72A50 Ninja
Dimensions (HxWxD)
  • 100 Х 44.8 Х 14.8 mm
  • 113 Х 61 Х 13 mm
Weight
  • 150 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 3.2" inch
  • 3.1" inch
Screen resolution
  • 176 x 220 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
Unknown
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 Phone Edition
  • Android 2.3.6 (Gingerbread)
Chipset Unknown
  • Mediatek MT6573 (65 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • TBD
Display
Display — specifications for E72, A50 Ninja.
SpecificationE72A50 Ninja
Touchscreen
  • Super AMOLED
  • capacitive touchscreen
Display colors
  • 65K
  • 256K
Screen area
  • 12.6 cm2
  • 29.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 28.1%
  • 43.2%
PPI /points per inch/
  • 0 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for E72, A50 Ninja.
SpecificationE72A50 Ninja
Rear camera, main
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 1.3 MP
  • 2 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Specifications
  • Super AMOLED
Unknown
Performance
Performance — specifications for E72, A50 Ninja.
SpecificationE72A50 Ninja
Processor CPU
  • Super AMOLED
  • 650 MHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531
General specs
General specs — specifications for E72, A50 Ninja.
SpecificationE72A50 Ninja
Release date
  • 2007
  • 2012
Colors
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 240 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for E72, A50 Ninja.
SpecificationE72A50 Ninja
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Super AMOLED
  • Yes
Wi-Fi
  • panorama
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
USB
  • panorama
  • 2.0
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • A2DP
  • 2.0
Music and Audio
Music and Audio — specifications for E72, A50 Ninja.
SpecificationE72A50 Ninja
Radio
  • panorama
  • FM radio
Other features
Other features — specifications for E72, A50 Ninja.
SpecificationE72A50 Ninja
Dop
  • File transfer -Organizer
  • Sensors Accelerometer MP3/WAV/WMA/AAC player -MP4/H.263 player -Organizer -Photo/video editor -Document viewer -Voice memo/dial -Predictive text input