Amoi E78 vs Micromax W900

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

    W900: 37 g lighter

    E78:
    150 g
    W900:
    113 g
  • Width

    W900: 6 mm narrower

    E78:
    61 mm
    W900:
    55 mm
  • Screen diagonal

    E78: 0.74 in smaller diagonal

    E78:
    2.46 in
    W900:
    3.2 in
  • Depth

    E78: 1.5 mm thinner

    E78:
    12.7 mm
    W900:
    14.2 mm
  • Height

    W900: 3 mm shorter

    E78:
    115 mm
    W900:
    112 mm
  • Release year

    E78:
    2007
    W900:
    2010

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. E78

    Height:
    115 mm +3 mm versus W900
    Width:
    61 mm +6 mm versus W900
    Depth:
    12.7 mm
  2. 2. W900

    Height:
    112 mm
    Width:
    55 mm
    Depth:
    14.2 mm +1.5 mm versus E78

Weight

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

  1. 1. E78

    150 g

    +37 g versus W900

  2. 2. W900

    113 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. E78

    Screen diagonal:
    2.46 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    18.7 cm²
  2. 2. W900

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    29.1 cm²

W900 has approximately 55.5% more rectangular screen area than E78.

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.

E78: Original memory entry

64 MB

W900: Original memory entry

256 MB ROM · 128 MB 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. E78

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

2. W900

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 GB (dedicated slot) · 2 GB included

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. E78

    1100 mAh

  2. 2. W900

    1500 mAh

    +400 mAh versus E78

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. E782. W900

Everyday essentials
Everyday essentials — specifications for E78, W900.
SpecificationE78W900
Dimensions (HxWxD)
  • 115 Х 61 Х 12.7 mm
  • 112 Х 55 Х 14.2 mm
Weight
  • 150 g
  • 113 g
Technology
  • TFT
  • TFT
Screen size
  • 2.46" inch
  • 3.2" inch
Screen resolution
  • 240 x 320 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
  • 256 MB ROM
  • 128 MB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Microsoft Windows Mobile 6.1 Professional
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for E78, W900.
SpecificationE78W900
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 65K
  • 256K
Screen area
  • 18.7 cm2
  • 29.1 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 26.7%
  • 47.3%
PPI /points per inch/
  • 163 PPI
  • 146 PPI
Camera and Video
Camera and Video — specifications for E78, W900.
SpecificationE78W900
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
Video
  • Yes
  • No
Front camera, selfie
  • 0 MP,
  • 0 MP,
Specifications
  • Super AMOLED
Unknown
Performance
Performance — specifications for E78, W900.
SpecificationE78W900
Processor CPU
  • Super AMOLED
  • K3 Hi3611 460MHz
General specs
General specs — specifications for E78, W900.
SpecificationE78W900
Release date
  • 2007
  • 2010
  • February
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 60 EUR
Battery life Unknown
  • Stand by time- Up to 480 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for E78, W900.
SpecificationE78W900
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Unknown
Speed
  • Super AMOLED
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • panorama
  • Wi-Fi 802.11 b/g
GPS
  • panorama
  • Yes
  • with A-GPS
USB
  • panorama
  • Proprietary
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • A2DP
  • Yes
Music and Audio
Music and Audio — specifications for E78, W900.
SpecificationE78W900
Radio
  • panorama
  • No
Other features
Other features — specifications for E78, W900.
SpecificationE78W900
Dop
  • File transfer -Organizer -Task synchronizing -Pocket Office
  • Sensors Accelerometer Organizer -Document viewer -MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Voice memo -Predictive text input