Allview Viper E vs Celkon 2GB Xpress

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

    Viper E: 11.5 g lighter

    Viper E:
    122.5 g
    2GB Xpress:
    134 g
  • Width

    Viper E: 1.5 mm narrower

    Viper E:
    65 mm
    2GB Xpress:
    66.5 mm
  • Chipset

    Viper E:
    Mediatek MT6582 (28 nm)
    2GB Xpress:
    Spreadtrum 7731
  • Depth

    Viper E: 2.3 mm thinner

    Viper E:
    7.8 mm
    2GB Xpress:
    10.1 mm
  • Height

    Viper E: 2.5 mm shorter

    Viper E:
    131 mm
    2GB Xpress:
    133.5 mm
  • Release year

    Viper E:
    2014
    2GB Xpress:
    2015

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
    Width:
    65 mm
    Depth:
    7.8 mm
  2. 2. 2GB Xpress

    Height:
    133.5 mm +2.5 mm versus Viper E
    Width:
    66.5 mm +1.5 mm versus Viper E
    Depth:
    10.1 mm +2.3 mm versus Viper E

Weight

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

  1. 1. Viper E

    122.5 g

  2. 2. 2GB Xpress

    134 g

    +11.5 g versus Viper E

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. 2GB Xpress

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²

2GB Xpress has approximately 3.2% more rectangular screen area than Viper E.

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, 2GB Xpress, compared at the same storage capacity.
StorageViper E2GB Xpress
8 GB 1 GB RAM Not recorded
16 GB Not recorded 2 GB RAM

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. 2GB Xpress

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

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

    +300 mAh versus 2GB Xpress

  2. 2. 2GB Xpress

    1500 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. 2GB Xpress

Everyday essentials
Everyday essentials — specifications for Viper E, 2GB Xpress.
SpecificationViper E2GB Xpress
Dimensions (HxWxD)
  • 131 Х 65 Х 7.8 mm
  • 133.5 Х 66.5 Х 10.1 mm
Weight
  • 122.5 g
  • 134 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 4.5" inch
Screen resolution
  • 480 x 854 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • Android 4.4.2 (KitKat)
  • upgradable to 5.0 (Lollipop)
Chipset
  • Mediatek MT6582 (28 nm)
  • Spreadtrum 7731
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Viper E, 2GB Xpress.
SpecificationViper E2GB Xpress
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
Unknown
Screen area
  • 55.8 cm2
  • 57.6 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 127.3 Х 65.5 Х 10 mm
  • 64.9%
PPI /points per inch/
  • 218 PPI
  • 207 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for Viper E, 2GB Xpress.
SpecificationViper E2GB Xpress
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 2 MP
  • 1.3 MP
Performance
Performance — specifications for Viper E, 2GB Xpress.
SpecificationViper E2GB Xpress
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-400
General specs
General specs — specifications for Viper E, 2GB Xpress.
SpecificationViper E2GB Xpress
Release date
  • 2014
  • September
  • 2015
  • July
Colors
  • Black
  • White
  • Black
Battery life
  • Stand by time- Up to 225 h Talking time- Up to 9 h 15 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Viper E, 2GB Xpress.
SpecificationViper E2GB Xpress
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual 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 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.1
  • EDR
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, 2GB Xpress.
SpecificationViper E2GB Xpress
Radio
  • FM radio
  • FM radio
Others
  • DTS sound -Yamaha amplifier
Unknown
Other features
Other features — specifications for Viper E, 2GB Xpress.
SpecificationViper E2GB Xpress
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer