Allview V3 Viper vs Palm Centro

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

    Centro: 19.6 g lighter

    V3 Viper:
    143.6 g
    Centro:
    124 g
  • Width

    Centro: 18.3 mm narrower

    V3 Viper:
    71.8 mm
    Centro:
    53.5 mm
  • Screen diagonal

    Centro: 3.25 in smaller diagonal

    V3 Viper:
    5.5 in
    Centro:
    2.25 in
  • Depth

    V3 Viper: 10.5 mm thinner

    V3 Viper:
    8.1 mm
    Centro:
    18.6 mm
  • Height

    Centro: 41.1 mm shorter

    V3 Viper:
    148.3 mm
    Centro:
    107.2 mm
  • Release year

    V3 Viper:
    2018
    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. V3 Viper

    Height:
    148.3 mm +41.1 mm versus Centro
    Width:
    71.8 mm +18.3 mm versus Centro
    Depth:
    8.1 mm
  2. 2. Centro

    Height:
    107.2 mm
    Width:
    53.5 mm
    Depth:
    18.6 mm +10.5 mm versus V3 Viper

Weight

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

  1. 1. V3 Viper

    143.6 g

    +19.6 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. V3 Viper

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Centro

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

V3 Viper has approximately 378% 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 V3 Viper, Centro, compared at the same storage capacity.
StorageV3 ViperCentro
32 GB 3 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. V3 Viper

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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. V3 Viper

    3000 mAh

    +1850 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. V3 Viper2. Centro

Everyday essentials
Everyday essentials — specifications for V3 Viper, Centro.
SpecificationV3 ViperCentro
Dimensions (HxWxD)
  • 148.3 Х 71.8 Х 8.1 mm
  • 107.2 Х 53.5 Х 18.6 mm
Weight
  • 143.6 g
  • 124 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 2.25" inch
Screen resolution
  • 720 x 1440 px
  • 320 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 64 MB
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 4 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.0 (Oreo)
  • Palm OS 5.4.9
Chipset
  • Mediatek MT6737 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for V3 Viper, Centro.
SpecificationV3 ViperCentro
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 78.1 cm2
  • 16.3 cm2
Screen format
  • 18:9 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 143.3 Х 73.3 Х 9.2 mm
  • 28.5%
PPI /points per inch/
  • 293 PPI
  • 201 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for V3 Viper, Centro.
SpecificationV3 ViperCentro
Rear camera, main
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 1.3 MP
Functions
  • Dual-LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
Unknown
Performance

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

Performance — specifications for V3 Viper, Centro.
SpecificationV3 ViperCentro
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • 32-bit Intel XScale PXA270 312 MHz
Graphics processor GPU
  • Mali-T720MP2
Unknown
Antutu 7 score *
  • 30202
Unknown
General specs
General specs — specifications for V3 Viper, Centro.
SpecificationV3 ViperCentro
Release date
  • 2018
  • January
  • 2008
  • February
Colors
  • Black
  • Sandy Silver
  • Gold
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 300 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for V3 Viper, Centro.
SpecificationV3 ViperCentro
SIM card
  • Hybrid Dual SIM (Micro-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 850 / 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
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
  • microUSB 2.0
  • Proprietary
Bluetooth
  • Android 4.4.2 (KitKat)
  • A2DP
  • Super AMOLED
  • 1.2
  • A2DP
Harmful irradiation
  • SAR EU - 1.26 W/kg (head)
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Music and Audio
Music and Audio — specifications for V3 Viper, Centro.
SpecificationV3 ViperCentro
Radio
  • FM radio
  • No
Others Unknown
  • 5-way navigation button
Other features
Other features — specifications for V3 Viper, Centro.
SpecificationV3 ViperCentro
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity
  • compass - Acer Liquid Zest Z525 with 3G Acer Liquid Zest 4G Z528 with 3G/LTE
  • Infrared port - For Europe
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo