Amoi E78 vs Samsung i550

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

    i550: 41 g lighter

    E78:
    150 g
    i550:
    109 g
  • Width

    i550: 8 mm narrower

    E78:
    61 mm
    i550:
    53 mm
  • Depth

    E78: 1.1 mm thinner

    E78:
    12.7 mm
    i550:
    13.8 mm

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
    Width:
    61 mm +8 mm versus i550
    Depth:
    12.7 mm
  2. 2. i550

    Height:
    115 mm
    Width:
    53 mm
    Depth:
    13.8 mm +1.1 mm versus E78

Weight

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

  1. 1. E78

    150 g

    +41 g versus i550

  2. 2. i550

    109 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. i550

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

i550 has approximately 11.7% 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

i550: Original memory entry

150 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. E78

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

2. i550

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD (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. E78

    1100 mAh

  2. 2. i550

    1200 mAh

    +100 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. i550

Everyday essentials
Everyday essentials — specifications for E78, i550.
SpecificationE78i550
Dimensions (HxWxD)
  • 115 Х 61 Х 12.7 mm
  • 115 Х 53 Х 13.8 mm
Weight
  • 150 g
  • 109 g
Technology
  • TFT
  • TFT
Screen size
  • 2.46" inch
  • 2.6" inch
Screen resolution
  • 240 x 320 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
  • 150 MB
Memory card support
  • microSD (dedicated slot)
  • microSD (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 PocketPC
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset Unknown
  • TI OMAP 2430
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for E78, i550.
SpecificationE78i550
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 256K
Screen area
  • 18.7 cm2
  • 20.9 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 26.7%
  • 34.3%
PPI /points per inch/
  • 163 PPI
  • 154 PPI
Camera and Video
Camera and Video — specifications for E78, i550.
SpecificationE78i550
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications
  • Super AMOLED
  • VGA videocall camera
Performance
Performance — specifications for E78, i550.
SpecificationE78i550
Processor CPU
  • Super AMOLED
  • 330 MHz ARM 1136
Graphics processor GPU Unknown
  • PowerVR MBX
General specs
General specs — specifications for E78, i550.
SpecificationE78i550
Release date
  • 2007
  • 2007
  • August
Colors
  • Black
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 360 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for E78, i550.
SpecificationE78i550
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
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • Super AMOLED
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • panorama
  • Wi-Fi 802.11 b/g (Samsung i550w only)
GPS
  • panorama
  • Yes
USB
  • panorama
  • 2.0
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.32 W/kg (head) 0.41 W/kg (body) SAR EU - 0.72 W/kg (head)
Music and Audio
Music and Audio — specifications for E78, i550.
SpecificationE78i550
Radio
  • panorama
  • FM radio
Other features
Other features — specifications for E78, i550.
SpecificationE78i550
Dop
  • File transfer -Organizer -Task synchronizing -Pocket Office
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Organizer -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) - Trackball - Also version Samsung i550w with WLAN