Allview V4 Viper Pro vs O2 XDA Stealth

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: 51.6 g lighter

    V4 Viper Pro:
    191.6 g
    XDA Stealth:
    140 g
  • Width

    XDA Stealth: 29 mm narrower

    V4 Viper Pro:
    82 mm
    XDA Stealth:
    53 mm
  • Screen diagonal

    XDA Stealth: 4.4 in smaller diagonal

    V4 Viper Pro:
    6.8 in
    XDA Stealth:
    2.4 in
  • Depth

    V4 Viper Pro: 13.7 mm thinner

    V4 Viper Pro:
    8.8 mm
    XDA Stealth:
    22.5 mm
  • Height

    XDA Stealth: 61 mm shorter

    V4 Viper Pro:
    171 mm
    XDA Stealth:
    110 mm
  • Release year

    V4 Viper Pro:
    2020
    XDA Stealth:
    2006

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. V4 Viper Pro

    Height:
    171 mm +61 mm versus XDA Stealth
    Width:
    82 mm +29 mm versus XDA Stealth
    Depth:
    8.8 mm
  2. 2. XDA Stealth

    Height:
    110 mm
    Width:
    53 mm
    Depth:
    22.5 mm +13.7 mm versus V4 Viper Pro

Weight

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

  1. 1. V4 Viper Pro

    191.6 g

    +51.6 g versus XDA Stealth

  2. 2. XDA Stealth

    140 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. V4 Viper Pro

    Screen diagonal:
    6.8 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    115.4 cm²
  2. 2. XDA Stealth

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

V4 Viper Pro has approximately 547% 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 V4 Viper Pro, XDA Stealth, compared at the same storage capacity.
StorageV4 Viper ProXDA Stealth
32 GB 2 GB RAM Unknown
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. V4 Viper Pro

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses shared SIM slot)

2. XDA Stealth

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

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. V4 Viper Pro

    3500 mAh

    +2200 mAh versus XDA Stealth

  2. 2. XDA Stealth

    1300 mAh

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. V4 Viper Pro2. XDA Stealth

Everyday essentials
Everyday essentials — specifications for V4 Viper Pro, XDA Stealth.
SpecificationV4 Viper ProXDA Stealth
Dimensions (HxWxD)
  • 171 Х 82 Х 8.8 mm
  • 110 Х 53 Х 22.5 mm
Weight
  • 191.6 g
  • 140 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.8" inch
  • 2.4" inch
Screen resolution
  • 640 x 1352 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64 MB RAM
  • 192 MB ROM
Memory card support
  • microSD
  • up to 128 GB (uses shared SIM slot)
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Microsoft Windows Mobile 5.0 PocketPC
Chipset
  • Mediatek MT6739 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for V4 Viper Pro, XDA Stealth.
SpecificationV4 Viper ProXDA Stealth
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 115.4 cm2
  • 17.8 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 82.3%
  • 30.6%
PPI /points per inch/
  • 220 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for V4 Viper Pro, XDA Stealth.
SpecificationV4 Viper ProXDA Stealth
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • AF -0.3 MP
  • (ultrawide/depth sensor)
  • 2 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance
Performance — specifications for V4 Viper Pro, XDA Stealth.
SpecificationV4 Viper ProXDA Stealth
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Intel XScale PXA 272 416 MHz
Graphics processor GPU
  • PowerVR GE8100
Unknown
General specs
General specs — specifications for V4 Viper Pro, XDA Stealth.
SpecificationV4 Viper ProXDA Stealth
Release date
  • 2020
  • January
  • 2006
  • September
Colors
  • Dark Grey
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 250 EUR
Battery life Unknown
  • Stand by time- Up to 150 h Talking time- Up to 4 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for V4 Viper Pro, XDA Stealth.
SpecificationV4 Viper ProXDA Stealth
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
  • 38(2600)
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 4.0
  • A2DP
  • 1.2
Harmful irradiation
  • SAR EU - 1.20 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for V4 Viper Pro, XDA Stealth.
SpecificationV4 Viper ProXDA Stealth
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for V4 Viper Pro, XDA Stealth.
SpecificationV4 Viper ProXDA Stealth
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity - Battery charging 10W - For Europe
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Predictive text input -Voice dial