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Amoi E850 vs verykool s728

Compare recorded specifications, size and practical differences.

Amoi E850

Amoi E850

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Remove E850
verykool s728

verykool s728

Replace s728
Remove s728
+ Add a third phone

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.

  • Weights728: 18 g lighters728: 90 g · E850: 108 g
  • WidthE850: 2.8 mm narrowerE850: 54 mm · s728: 56.8 mm
  • Screen diagonalE850: 0.4 in smaller diagonalE850: 2.4 in · s728: 2.8 in
  • Depths728: 7.1 mm thinners728: 12.9 mm · E850: 20 mm
  • HeightE850: 2 mm shorterE850: 102 mm · s728: 104 mm
  • Release year2006 / 2012E850: 2006 · s728: 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.

Front
E850: 102 × 54 mm 1 s728: 104 × 56.8 mm 2
Side
E850: 102 × 20 mm 1 s728: 104 × 12.9 mm 2
  1. 1. E850
    Height
    102 mm
    Width
    54 mm
    Depth
    20 mm+7.1 mm versus s728
    Weight
    108 g
  2. 2. s728
    Height
    104 mm+2 mm versus E850
    Width
    56.8 mm+2.8 mm versus E850
    Depth
    12.9 mm
    Weight
    90 g
Weight

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

  1. 1. E850108 g

    +18 g versus s728

  2. 2. s72890 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. E850 Screen geometry unavailable or conflicting
  2. 2. s728 2.8 in · 4:3 About 24.3 cm² rectangular area

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.

E850: Original memory entry

64 MB RAM · 128 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. E850

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

2. s728

NFC
Unknown
Headphone jack
Yes
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 capacity

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

  1. 1. E8501100 mAh
  2. 2. s7281110 mAh

    +10 mAh versus E850

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. E8502. s728

Everyday essentials
Everyday essentials
SpecificationE850s728
Dimensions (HxWxD)
  • 102 Х 54 Х 20 mm
  • 104 Х 56.8 Х 12.9 mm
Weight
  • 108 g
  • 90 g
Technology
  • TFT
  • TFT
Screen size
  • 2.4" inch
  • 2.8" inch
Screen resolution
  • 204 x 320 px
  • 240 x 320 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
Unknown
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 1110 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 for PocketPC Phone Edition
  • Android 2.3.5 (Gingerbread)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display
SpecificationE850s728
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
Unknown
Screen area
  • 16.8 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 130.6 g
  • 41.1%
PPI /points per inch/
  • 0 PPI
  • 143 PPI
Camera and Video
Camera and Video
SpecificationE850s728
Rear camera, main
  • 2 MP
  • Single
  • 3.2 MP
  • Single
Camera specs
  • 2 MP
  • 3.2 MP
Functions
  • Dual-LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications
  • Super AMOLED
  • VGA
Performance
Performance
SpecificationE850s728
Processor CPU
  • Intel XScale PXA 272 312 MHz
  • 650 MHz
General specs
General specs
SpecificationE850s728
Release date
  • 2006
  • Q2
  • 2012
  • October
Colors
  • Black
  • Black
  • White
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
Unknown
Communication and Connectivity
Communication and Connectivity
SpecificationE850s728
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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • Super AMOLED
  • HSPA 7.2/0.384 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • panorama
  • Yes
Wi-Fi
  • panorama
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
USB
  • HSPA 21.1/5.76 Mbps
  • Proprietary
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • 2.0
  • A2DP
Music and Audio
Music and Audio
SpecificationE850s728
Radio
  • panorama
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features
SpecificationE850s728
Dop
  • Super AMOLED
  • Infrared port - Pocket Office -Media player -PC Sync -Voice memo -Organizer -World Time
  • Sensors Accelerometer
  • proximity - Analog TV -MP3 player