Allview Viper E vs O2 XDA Zest

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 Zest: 20 g lighter

    Viper E:
    122.5 g
    XDA Zest:
    102.5 g
  • Width

    XDA Zest: 4.5 mm narrower

    Viper E:
    65 mm
    XDA Zest:
    60.5 mm
  • Screen diagonal

    XDA Zest: 1.7 in smaller diagonal

    Viper E:
    4.5 in
    XDA Zest:
    2.8 in
  • Depth

    Viper E: 8.7 mm thinner

    Viper E:
    7.8 mm
    XDA Zest:
    16.5 mm
  • Height

    XDA Zest: 29 mm shorter

    Viper E:
    131 mm
    XDA Zest:
    102 mm
  • Release year

    Viper E:
    2014
    XDA Zest:
    2008

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. Viper E

    Height:
    131 mm +29 mm versus XDA Zest
    Width:
    65 mm +4.5 mm versus XDA Zest
    Depth:
    7.8 mm
  2. 2. XDA Zest

    Height:
    102 mm
    Width:
    60.5 mm
    Depth:
    16.5 mm +8.7 mm versus Viper E

Weight

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

  1. 1. Viper E

    122.5 g

    +20 g versus XDA Zest

  2. 2. XDA Zest

    102.5 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. Viper E

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. XDA Zest

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

Viper E has approximately 129.9% more rectangular screen area than XDA Zest.

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 Viper E, XDA Zest, compared at the same storage capacity.
StorageViper EXDA Zest
8 GB 1 GB RAM Unknown
XDA Zest: Original memory entry

128 MB RAM · 256 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. Viper E

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

2. XDA Zest

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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. Viper E

    1800 mAh

    +500 mAh versus XDA Zest

  2. 2. XDA Zest

    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. Viper E2. XDA Zest

Everyday essentials
Everyday essentials — specifications for Viper E, XDA Zest.
SpecificationViper EXDA Zest
Dimensions (HxWxD)
  • 131 Х 65 Х 7.8 mm
  • 102 Х 60.5 Х 16.5 mm
Weight
  • 122.5 g
  • 102.5 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 2.8" inch
Screen resolution
  • 480 x 854 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Mediatek MT6582 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Viper E, XDA Zest.
SpecificationViper EXDA Zest
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • Super AMOLED
  • 65K
Screen area
  • 55.8 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 127.3 Х 65.5 Х 10 mm
  • 39.3%
PPI /points per inch/
  • 218 PPI
  • 286 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for Viper E, XDA Zest.
SpecificationViper EXDA Zest
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA videocall camera
Performance
Performance — specifications for Viper E, XDA Zest.
SpecificationViper EXDA Zest
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • 624MHz Marvell TavorP
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
Unknown
General specs
General specs — specifications for Viper E, XDA Zest.
SpecificationViper EXDA Zest
Release date
  • 2014
  • September
  • 2008
  • October
Colors
  • Black
  • White
  • Black
Battery life
  • Stand by time- Up to 225 h Talking time- Up to 9 h 15 min
  • Stand by time- Up to 260 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Viper E, XDA Zest.
SpecificationViper EXDA Zest
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Class 12
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • SiRF Star III chipset
USB
  • microUSB 2.0
  • miniUSB 1.1
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.84 W/kg (head) 1.24 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Viper E, XDA Zest.
SpecificationViper EXDA Zest
Radio
  • FM radio
  • No
Others
  • DTS sound -Yamaha amplifier
  • Handwriting recognition
Other features
Other features — specifications for Viper E, XDA Zest.
SpecificationViper EXDA Zest
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • SiRF star III chipset -Pocket Office -Voice memo -MP3 player -Predictive text input