Allview A4 Duo vs Motorola RAZR M XT905

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

    A4 Duo: 15.4 g lighter

    A4 Duo:
    110.6 g
    RAZR M XT905:
    126 g
  • Width

    RAZR M XT905: 2.3 mm narrower

    A4 Duo:
    63.2 mm
    RAZR M XT905:
    60.9 mm
  • Screen diagonal

    A4 Duo: 0.8 in smaller diagonal

    A4 Duo:
    3.5 in
    RAZR M XT905:
    4.3 in
  • Depth

    RAZR M XT905: 3.7 mm thinner

    A4 Duo:
    12 mm
    RAZR M XT905:
    8.3 mm
  • Height

    A4 Duo: 6.4 mm shorter

    A4 Duo:
    116.1 mm
    RAZR M XT905:
    122.5 mm
  • Release year

    A4 Duo:
    2013
    RAZR M XT905:
    2012

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. A4 Duo

    Height:
    116.1 mm
    Width:
    63.2 mm +2.3 mm versus RAZR M XT905
    Depth:
    12 mm +3.7 mm versus RAZR M XT905
  2. 2. RAZR M XT905

    Height:
    122.5 mm +6.4 mm versus A4 Duo
    Width:
    60.9 mm
    Depth:
    8.3 mm

Weight

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

  1. 1. A4 Duo

    110.6 g

  2. 2. RAZR M XT905

    126 g

    +15.4 g versus A4 Duo

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. A4 Duo

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. RAZR M XT905

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

RAZR M XT905 has approximately 39.7% more rectangular screen area than A4 Duo.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A4 Duo: Original memory entry

512 MB RAM - Liquid M2208 GB

RAZR M XT905: Original memory entry

8 GB (4.5 GB user available) · 1 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. A4 Duo

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details panorama

2. RAZR M XT905

NFC:
Yes
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. A4 Duo

    1200 mAh

  2. 2. RAZR M XT905

    2000 mAh

    +800 mAh versus A4 Duo

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. A4 Duo2. RAZR M XT905

Everyday essentials
Everyday essentials — specifications for A4 Duo, RAZR M XT905.
SpecificationA4 DuoRAZR M XT905
Dimensions (HxWxD)
  • 116.1 Х 63.2 Х 12 mm
  • 122.5 Х 60.9 Х 8.3 mm
Weight
  • 110.6 g
  • 126 g
Technology
  • TFT
  • Super AMOLED Advanced
Screen size
  • 3.5" inch
  • 4.3" inch
Screen resolution
  • 320 x 480 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB RAM - Liquid M2208 GB
  • 8 GB (4.5 GB user available)
  • 1 GB RAM
Memory card support
  • panorama
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 4.0.4 (Ice Cream Sandwich)
  • upgradable to 4.1 (Jelly Bean)
Chipset Unknown
  • Qualcomm MSM8960 Snapdragon S4 Plus
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4 Duo, RAZR M XT905.
SpecificationA4 DuoRAZR M XT905
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 36.5 cm2
  • 51.0 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 149.7 g
  • 68.3%
PPI /points per inch/
  • 165 PPI
  • 256 PPI
Screen protection Unknown
  • Corning Gorilla Glass 2
Camera and Video
Camera and Video — specifications for A4 Duo, RAZR M XT905.
SpecificationA4 DuoRAZR M XT905
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications
  • Super AMOLED
  • VGA
Performance

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

Performance — specifications for A4 Duo, RAZR M XT905.
SpecificationA4 DuoRAZR M XT905
Processor CPU
  • Dual-core 1.0 GHz Cotex-A7
  • Dual-core 1.5 GHz Krait
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Adreno 225
Antutu 7 score *
  • 11698
Unknown
General specs
General specs — specifications for A4 Duo, RAZR M XT905.
SpecificationA4 DuoRAZR M XT905
Release date
  • 2013
  • November
  • 2012
  • September
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 8 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A4 Duo, RAZR M XT905.
SpecificationA4 DuoRAZR M XT905
SIM card
  • Dual SIM (dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 3(1800)
  • 7(2600)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Class 12
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi Direct
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
  • S-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
  • EDR
  • LE
Harmful irradiation Unknown
  • SAR - 1.11 W/kg (head) 0.66 W/kg (body)
Music and Audio
Music and Audio — specifications for A4 Duo, RAZR M XT905.
SpecificationA4 DuoRAZR M XT905
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A4 Duo, RAZR M XT905.
SpecificationA4 DuoRAZR M XT905
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Organizer -Photo viewer/editor -Document viewer/editor -Voice memo/dial/commands -Predictive text input - Splash resistant