O2 XDA Stealth vs vivo Y28

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

    XDA Stealth: 16 g lighter

    XDA Stealth:
    140 g
    Y28:
    156 g
  • Width

    XDA Stealth: 15.6 mm narrower

    XDA Stealth:
    53 mm
    Y28:
    68.6 mm
  • Screen diagonal

    XDA Stealth: 2.3 in smaller diagonal

    XDA Stealth:
    2.4 in
    Y28:
    4.7 in
  • Depth

    Y28: 12.7 mm thinner

    XDA Stealth:
    22.5 mm
    Y28:
    9.8 mm
  • Height

    XDA Stealth: 27.4 mm shorter

    XDA Stealth:
    110 mm
    Y28:
    137.4 mm
  • Release year

    XDA Stealth:
    2006
    Y28:
    2014

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. XDA Stealth

    Height:
    110 mm
    Width:
    53 mm
    Depth:
    22.5 mm +12.7 mm versus Y28
  2. 2. Y28

    Height:
    137.4 mm +27.4 mm versus XDA Stealth
    Width:
    68.6 mm +15.6 mm versus XDA Stealth
    Depth:
    9.8 mm

Weight

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

  1. 1. XDA Stealth

    140 g

  2. 2. Y28

    156 g

    +16 g versus XDA Stealth

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. XDA Stealth

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²
  2. 2. Y28

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:10
    Approximate rectangular screen area:
    64.1 cm²

Y28 has approximately 259.1% more rectangular screen area than XDA Stealth.

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.

Recorded RAM for XDA Stealth, Y28, compared at the same storage capacity.
StorageXDA StealthY28
8 GB Unknown 1 GB RAM
XDA Stealth: Original memory entry

64 MB RAM · 192 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. XDA Stealth

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

2. Y28

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. XDA Stealth

    1300 mAh

  2. 2. Y28

    2100 mAh

    +800 mAh versus XDA Stealth

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. XDA Stealth2. Y28

Everyday essentials
Everyday essentials — specifications for XDA Stealth, Y28.
SpecificationXDA StealthY28
Dimensions (HxWxD)
  • 110 Х 53 Х 22.5 mm
  • 137.4 Х 68.6 Х 9.8 mm
Weight
  • 140 g
  • 156 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 4.7" inch
Screen resolution
  • 240 x 320 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 192 MB ROM
  • 8 GB
  • 1 GB RAM
Memory card support
  • miniSD
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Po
  • 2100 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.2.2 (Jelly Bean)
Chipset Unknown
  • Mediatek MT6582 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stealth, Y28.
SpecificationXDA StealthY28
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 17.8 cm2
  • 64.2 cm2
Screen format
  • 4:3 (height:width)
  • 16:10 (height:width)
Screen to body ratio
  • 30.6%
  • 68.1%
PPI /points per inch/
  • 167 PPI
  • 216 PPI
Camera and Video
Camera and Video — specifications for XDA Stealth, Y28.
SpecificationXDA StealthY28
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
Performance
Performance — specifications for XDA Stealth, Y28.
SpecificationXDA StealthY28
Processor CPU
  • Intel XScale PXA 272 416 MHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
General specs
General specs — specifications for XDA Stealth, Y28.
SpecificationXDA StealthY28
Release date
  • 2006
  • September
  • 2014
  • December
Colors
  • Silver
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 100 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h 30 min
  • Stand by time- Up to 430 h (2G) / Up to 430 h (3G) Talking time- Up to 14 h (2G) / Up to 13 h (3G) Music play - Up to 32 h
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stealth, Y28.
SpecificationXDA StealthY28
SIM card
  • Mini-SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 1.2
  • 4.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for XDA Stealth, Y28.
SpecificationXDA StealthY28
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Stealth, Y28.
SpecificationXDA StealthY28
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Predictive text input -Voice dial
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port