Allview V2 Viper X vs Palm Centro

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Centro: 31.3 g lighter

    V2 Viper X:
    155.3 g
    Centro:
    124 g
  • Width

    Centro: 23.5 mm narrower

    V2 Viper X:
    77 mm
    Centro:
    53.5 mm
  • Screen diagonal

    Centro: 3.25 in smaller diagonal

    V2 Viper X:
    5.5 in
    Centro:
    2.25 in
  • Depth

    V2 Viper X: 11.4 mm thinner

    V2 Viper X:
    7.2 mm
    Centro:
    18.6 mm
  • Height

    Centro: 46.8 mm shorter

    V2 Viper X:
    154 mm
    Centro:
    107.2 mm
  • Release year

    V2 Viper X:
    2015
    Centro:
    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. V2 Viper X

    Height:
    154 mm +46.8 mm versus Centro
    Width:
    77 mm +23.5 mm versus Centro
    Depth:
    7.2 mm
  2. 2. Centro

    Height:
    107.2 mm
    Width:
    53.5 mm
    Depth:
    18.6 mm +11.4 mm versus V2 Viper X

Weight

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

  1. 1. V2 Viper X

    155.3 g

    +31.3 g versus Centro

  2. 2. Centro

    124 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. V2 Viper X

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Centro

    Screen diagonal:
    2.25 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    16.3 cm²

V2 Viper X has approximately 410.6% more rectangular screen area than Centro.

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 V2 Viper X, Centro, compared at the same storage capacity.
StorageV2 Viper XCentro
16 GB 1 GB RAM Unknown
Centro: Original memory entry

64 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. V2 Viper X

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

2. Centro

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 4 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. V2 Viper X

    3150 mAh

    +2000 mAh versus Centro

  2. 2. Centro

    1150 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. V2 Viper X2. Centro

Everyday essentials
Everyday essentials — specifications for V2 Viper X, Centro.
SpecificationV2 Viper XCentro
Dimensions (HxWxD)
  • 154 Х 77 Х 7.2 mm
  • 107.2 Х 53.5 Х 18.6 mm
Weight
  • 155.3 g
  • 124 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 5.5" inch
  • 2.25" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 64 MB
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 4 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3150 mAh
  • Removable Li-Po
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Palm OS 5.4.9
Chipset
  • Mediatek MT6753 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for V2 Viper X, Centro.
SpecificationV2 Viper XCentro
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
  • 16.3 cm2
Screen format
  • 16:9 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 70.3%
  • 28.5%
PPI /points per inch/
  • 267 PPI
  • 201 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for V2 Viper X, Centro.
SpecificationV2 Viper XCentro
Rear camera, main
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 1.3 MP
Functions
  • Dual-LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for V2 Viper X, Centro.
SpecificationV2 Viper XCentro
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • 32-bit Intel XScale PXA270 312 MHz
Graphics processor GPU
  • Mali-T720MP2
Unknown
Antutu 7 score *
  • 23923
Unknown
General specs
General specs — specifications for V2 Viper X, Centro.
SpecificationV2 Viper XCentro
Release date
  • 2015
  • October
  • 2008
  • February
Colors
  • Dark Blue
  • Golden pearl
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 393 h (3G) Talking time- Up to 13 h 40 min (3G)
  • Stand by time- Up to 300 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for V2 Viper X, Centro.
SpecificationV2 Viper XCentro
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
  • 39(1900)
  • 40(2300)
  • 41(2500) - 5007U
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 Direct
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • Type-C 1.0 reversible connector
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 1.2
  • A2DP
Harmful irradiation
  • SAR EU - 0.69 W/kg (head)
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Music and Audio
Music and Audio — specifications for V2 Viper X, Centro.
SpecificationV2 Viper XCentro
Radio
  • FM radio
  • No
Others Unknown
  • 5-way navigation button
Other features
Other features — specifications for V2 Viper X, Centro.
SpecificationV2 Viper XCentro
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo