Allview V4 Viper Pro vs O2 XDA Atom Exec

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 Atom Exec: 51.6 g lighter

    V4 Viper Pro:
    191.6 g
    XDA Atom Exec:
    140 g
  • Width

    XDA Atom Exec: 24 mm narrower

    V4 Viper Pro:
    82 mm
    XDA Atom Exec:
    58 mm
  • Screen diagonal

    XDA Atom Exec: 4.1 in smaller diagonal

    V4 Viper Pro:
    6.8 in
    XDA Atom Exec:
    2.7 in
  • Depth

    V4 Viper Pro: 9.7 mm thinner

    V4 Viper Pro:
    8.8 mm
    XDA Atom Exec:
    18.5 mm
  • Height

    XDA Atom Exec: 69 mm shorter

    V4 Viper Pro:
    171 mm
    XDA Atom Exec:
    102 mm
  • Release year

    V4 Viper Pro:
    2020
    XDA Atom Exec:
    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 +69 mm versus XDA Atom Exec
    Width:
    82 mm +24 mm versus XDA Atom Exec
    Depth:
    8.8 mm
  2. 2. XDA Atom Exec

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +9.7 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 Atom Exec

  2. 2. XDA Atom Exec

    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 Atom Exec

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

V4 Viper Pro has approximately 411.2% more rectangular screen area than XDA Atom Exec.

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 Atom Exec, compared at the same storage capacity.
StorageV4 Viper ProXDA Atom Exec
32 GB 2 GB RAM Unknown
XDA Atom Exec: 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 Atom Exec

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

    +1970 mAh versus XDA Atom Exec

  2. 2. XDA Atom Exec

    1530 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 Atom Exec

Everyday essentials
Everyday essentials — specifications for V4 Viper Pro, XDA Atom Exec.
SpecificationV4 Viper ProXDA Atom Exec
Dimensions (HxWxD)
  • 171 Х 82 Х 8.8 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 191.6 g
  • 140 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.8" inch
  • 2.7" 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
  • 1530 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 Atom Exec.
SpecificationV4 Viper ProXDA Atom Exec
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 115.4 cm2
  • 22.6 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 82.3%
  • 38.2%
PPI /points per inch/
  • 220 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for V4 Viper Pro, XDA Atom Exec.
SpecificationV4 Viper ProXDA Atom Exec
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • AF -0.3 MP
  • (ultrawide/depth sensor)
  • 2 MP
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 Atom Exec.
SpecificationV4 Viper ProXDA Atom Exec
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Intel XScale PXA 27x 520MHz
Graphics processor GPU
  • PowerVR GE8100
Unknown
General specs
General specs — specifications for V4 Viper Pro, XDA Atom Exec.
SpecificationV4 Viper ProXDA Atom Exec
Release date
  • 2020
  • January
  • 2006
  • June
Colors
  • Dark Grey
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 310 EUR
Communication and Connectivity
Communication and Connectivity — specifications for V4 Viper Pro, XDA Atom Exec.
SpecificationV4 Viper ProXDA Atom Exec
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
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b
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 Atom Exec.
SpecificationV4 Viper ProXDA Atom Exec
Radio
  • FM radio
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for V4 Viper Pro, XDA Atom Exec.
SpecificationV4 Viper ProXDA Atom Exec
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