verykool s728 vs ZTE X990

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

    s728: 4.2 mm narrower

    s728:
    56.8 mm
    X990:
    61 mm
  • Screen diagonal

    X990: 0.3 in smaller diagonal

    s728:
    2.8 in
    X990:
    2.5 in
  • Depth

    X990: 0.9 mm thinner

    s728:
    12.9 mm
    X990:
    12 mm
  • Height

    s728: 3 mm shorter

    s728:
    104 mm
    X990:
    107 mm
  • Release year

    s728:
    2012
    X990:
    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. s728

    Height:
    104 mm
    Width:
    56.8 mm
    Depth:
    12.9 mm +0.9 mm versus X990
  2. 2. X990

    Height:
    107 mm +3 mm versus s728
    Width:
    61 mm +4.2 mm versus s728
    Depth:
    12 mm

Weight

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

  1. 1. s728

    90 g

  2. 2. X990

    90 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. s728

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. X990

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

s728 has approximately 25.4% more rectangular screen area than X990.

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.

X990: Original memory entry

5 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. s728

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. X990

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. s7282. X990

Everyday essentials
Everyday essentials — specifications for s728, X990.
Specifications728X990
Dimensions (HxWxD)
  • 104 Х 56.8 Х 12.9 mm
  • 107 Х 61 Х 12 mm
Weight
  • 90 g
  • 90 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.5" inch
Screen resolution
  • 240 x 320 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 5 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1110 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • Microsoft Windows Mobile 6.5 Professional
Headphone jack
  • Yes
  • No
Display
Display — specifications for s728, X990.
Specifications728X990
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 24.3 cm2
  • 19.4 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 41.1%
  • 29.7%
PPI /points per inch/
  • 143 PPI
  • 160 PPI
Camera and Video
Camera and Video — specifications for s728, X990.
Specifications728X990
Rear camera, main
  • 3.2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.2 MP
  • 2 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for s728, X990.
Specifications728X990
Processor CPU
  • 650 MHz
Unknown
General specs
General specs — specifications for s728, X990.
Specifications728X990
Release date
  • 2012
  • October
  • 2010
  • March
Colors
  • Black
  • White
  • White
Battery life Unknown
  • Stand by time- Up to 480 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for s728, X990.
Specifications728X990
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA 7.2/0.384 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.96 W/kg (head)
Music and Audio
Music and Audio — specifications for s728, X990.
Specifications728X990
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Other features
Other features — specifications for s728, X990.
Specifications728X990
Dop
  • Sensors Accelerometer
  • proximity - Analog TV -MP3 player
  • Windows Live Messenger -MP3/WMA/eAAC+ player -MP4/H.264 player -MS Office -Organizer -Voice memo -Predictive text input Also known as Messenger by SFR 251 Edition