Acer M900 vs Allview Viper V1

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 V1: 63.1 g lighter

    M900:
    188 g
    Viper V1:
    124.9 g
  • Width

    M900: 6.4 mm narrower

    M900:
    62 mm
    Viper V1:
    68.4 mm
  • Screen diagonal

    M900: 0.9 in smaller diagonal

    M900:
    3.8 in
    Viper V1:
    4.7 in
  • Depth

    Viper V1: 9.2 mm thinner

    M900:
    17.1 mm
    Viper V1:
    7.9 mm
  • Height

    M900: 18.5 mm shorter

    M900:
    119 mm
    Viper V1:
    137.5 mm
  • Release year

    M900:
    2009
    Viper V1:
    2013

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. M900

    Height:
    119 mm
    Width:
    62 mm
    Depth:
    17.1 mm +9.2 mm versus Viper V1
  2. 2. Viper V1

    Height:
    137.5 mm +18.5 mm versus M900
    Width:
    68.4 mm +6.4 mm versus M900
    Depth:
    7.9 mm

Weight

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

  1. 1. M900

    188 g

    +63.1 g versus Viper V1

  2. 2. Viper V1

    124.9 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. M900

    Screen diagonal:
    3.8 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    41.1 cm²
  2. 2. Viper V1

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²

Viper V1 has approximately 48.2% more rectangular screen area than M900.

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 M900, Viper V1, compared at the same storage capacity.
StorageM900Viper V1
4 GB Unknown 1 GB RAM
16 GB Unknown 1 GB RAM
M900: Original memory entry

Super AMOLED

Practical features

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

1. M900

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

2. Viper V1

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. M900

    1530 mAh

  2. 2. Viper V1

    1800 mAh

    +270 mAh versus M900

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. M9002. Viper V1

Everyday essentials
Everyday essentials — specifications for M900, Viper V1.
SpecificationM900Viper V1
Dimensions (HxWxD)
  • 119 Х 62 Х 17.1 mm
  • 137.5 Х 68.4 Х 7.9 mm
Weight
  • 188 g
  • 124.9 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.8" inch
  • 4.7" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • Super AMOLED
  • 4/16 GB
  • 1 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 4.2 (Jelly Bean)
Chipset Unknown
  • Mediatek MT6589 (28 nm)
NFC
  • Super AMOLED
  • Super AMOLED
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for M900, Viper V1.
SpecificationM900Viper V1
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • Super AMOLED
Screen area
  • 41.1 cm2
  • 60.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.7%
  • 64.7%
PPI /points per inch/
  • 246 PPI
  • 312 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for M900, Viper V1.
SpecificationM900Viper V1
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • Dual-LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA videocall camera
  • 2 MP
Performance

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

Performance — specifications for M900, Viper V1.
SpecificationM900Viper V1
Processor CPU
  • 533 MHz Samsung S3C 6410
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • PowerVR SGX544
Antutu 7 score * Unknown
  • 14326
General specs
General specs — specifications for M900, Viper V1.
SpecificationM900Viper V1
Release date
  • 2009
  • February
  • 2013
  • June
Colors
  • Black
  • Black
  • White
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 470 h Talking time- Up to 4 h
  • Stand by time- Up to 280 h Talking time- Up to 6 h 20 min (2G) / Up to 5 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for M900, Viper V1.
SpecificationM900Viper V1
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual SIM (dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi Direct
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • microUSB 2.0
  • A2DP
  • 4.0
  • A2DP
  • EDR
Harmful irradiation
  • SAR - 0.43 W/kg (head) 0.92 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for M900, Viper V1.
SpecificationM900Viper V1
Radio
  • FM radio
  • FM radio
Others
  • Handwriting recognition
  • DTS sound -Yamaha Audio Amplifier -Active noise cancellation with dedicated mic
Other features
Other features — specifications for M900, Viper V1.
SpecificationM900Viper V1
Dop
  • Sensors Fingerprint (front-mounted) Pocket Office -Voice memo -MP3 player -Predictive text input
  • Sensors Accelerometer
  • proximity
  • compass