Amoi E72 vs Samsung i637 Jack

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

    i637 Jack: 47.9 g lighter

    E72:
    150 g
    i637 Jack:
    102.1 g
  • Width

    E72: 16.2 mm narrower

    E72:
    44.8 mm
    i637 Jack:
    61 mm
  • Screen diagonal

    i637 Jack: 0.8 in smaller diagonal

    E72:
    3.2 in
    i637 Jack:
    2.4 in
  • Depth

    i637 Jack: 2.1 mm thinner

    E72:
    14.8 mm
    i637 Jack:
    12.7 mm
  • Height

    E72: 17 mm shorter

    E72:
    100 mm
    i637 Jack:
    117 mm
  • Release year

    E72:
    2007
    i637 Jack:
    2009

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 +2.1 mm versus i637 Jack
  2. 2. i637 Jack

    Height:
    117 mm +17 mm versus E72
    Width:
    61 mm +16.2 mm versus E72
    Depth:
    12.7 mm

Weight

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

  1. 1. E72

    150 g

    +47.9 g versus i637 Jack

  2. 2. i637 Jack

    102.1 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. E72

    E72: Screen geometry unavailable or conflicting.

  2. 2. i637 Jack

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 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

i637 Jack: Original memory entry

256 MB RAM · 256 MB ROM

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. i637 Jack

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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. i637 Jack

    1480 mAh

    +380 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. i637 Jack

Everyday essentials
Everyday essentials — specifications for E72, i637 Jack.
SpecificationE72i637 Jack
Dimensions (HxWxD)
  • 100 Х 44.8 Х 14.8 mm
  • 117 Х 61 Х 12.7 mm
Weight
  • 150 g
  • 102.1 g
Technology
  • TFT
  • TFT
Screen size
  • 3.2" inch
  • 2.4" inch
Screen resolution
  • 176 x 220 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
  • 256 MB RAM
  • 256 MB ROM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 1480 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 Phone Edition
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • No
Display
Display — specifications for E72, i637 Jack.
SpecificationE72i637 Jack
Touchscreen
  • Super AMOLED
Unknown
Display colors
  • 65K
  • 65K
Screen area
  • 12.6 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 28.1%
  • 25.0%
PPI /points per inch/
  • 0 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for E72, i637 Jack.
SpecificationE72i637 Jack
Rear camera, main
  • 1.3 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 1.3 MP
  • 3.15 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Specifications
  • Super AMOLED
Unknown
Performance
Performance — specifications for E72, i637 Jack.
SpecificationE72i637 Jack
Processor CPU
  • Super AMOLED
  • 528 MHz
General specs
General specs — specifications for E72, i637 Jack.
SpecificationE72i637 Jack
Release date
  • 2007
  • 2009
  • May
Colors
  • Black
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life Unknown
  • Stand by time- Up to 288 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for E72, i637 Jack.
SpecificationE72i637 Jack
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 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Super AMOLED
  • Class 10
Wi-Fi
  • panorama
  • Wi-Fi 802.11 b/g
GPS
  • panorama
  • Yes
  • with A-GPS
USB
  • panorama
  • 2.0
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for E72, i637 Jack.
SpecificationE72i637 Jack
Radio
  • panorama
  • No
Other features
Other features — specifications for E72, i637 Jack.
SpecificationE72i637 Jack
Dop
  • File transfer -Organizer
  • Windows Media Player 10 -Windows Live
  • Yahoo!
  • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T