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Acer Allegro vs O2 XDA Atom Exec

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

    Allegro: 14 g lighter

    Allegro:
    126 g
    XDA Atom Exec:
    140 g
  • Width

    XDA Atom Exec: 1 mm narrower

    Allegro:
    59 mm
    XDA Atom Exec:
    58 mm
  • Screen diagonal

    XDA Atom Exec: 0.9 in smaller diagonal

    Allegro:
    3.6 in
    XDA Atom Exec:
    2.7 in
  • Depth

    Allegro: 5.5 mm thinner

    Allegro:
    13 mm
    XDA Atom Exec:
    18.5 mm
  • Height

    XDA Atom Exec: 14 mm shorter

    Allegro:
    116 mm
    XDA Atom Exec:
    102 mm
  • Release year

    Allegro:
    2011
    XDA Atom Exec:
    2006

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. Allegro

    Height:
    116 mm +14 mm versus XDA Atom Exec
    Width:
    59 mm +1 mm versus XDA Atom Exec
    Depth:
    13 mm
  2. 2. XDA Atom Exec

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +5.5 mm versus Allegro

Weight

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

  1. 1. Allegro

    126 g

  2. 2. XDA Atom Exec

    140 g

    +14 g versus Allegro

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. Allegro

    Screen diagonal:
    3.6 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    36.9 cm²
  2. 2. XDA Atom Exec

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²

Allegro has approximately 63.4% more rectangular screen area than XDA Atom Exec.

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.

Allegro: Original memory entry

8 GB

XDA Atom Exec: Original memory entry

64 MB RAM · 192 MB ROM

Practical features

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

1. Allegro

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

2. XDA Atom Exec

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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. Allegro

    1300 mAh

  2. 2. XDA Atom Exec

    1530 mAh

    +230 mAh versus Allegro

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. Allegro2. XDA Atom Exec

Everyday essentials
Everyday essentials — specifications for Allegro, XDA Atom Exec.
SpecificationAllegroXDA Atom Exec
Dimensions (HxWxD)
  • 116 Х 59 Х 13 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 126 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 3.6" inch
  • 2.7" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 64 MB RAM
  • 192 MB ROM
Memory card support
  • panorama
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7.5 Mango
  • Microsoft Windows Mobile 5.0 PocketPC
Chipset
  • Qualcomm MSM8255 Snapdragon S2
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Allegro, XDA Atom Exec.
SpecificationAllegroXDA Atom Exec
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 36.9 cm2
  • 22.6 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 53.9%
  • 38.2%
PPI /points per inch/
  • 259 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for Allegro, XDA Atom Exec.
SpecificationAllegroXDA Atom Exec
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Specifications
  • Super AMOLED
Unknown
Performance

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

Performance — specifications for Allegro, XDA Atom Exec.
SpecificationAllegroXDA Atom Exec
Processor CPU
  • 1.0 GHz Scorpion
  • Intel XScale PXA 27x 520MHz
Graphics processor GPU
  • Adreno 205
Unknown
Antutu 7 score *
  • 586
Unknown
General specs
General specs — specifications for Allegro, XDA Atom Exec.
SpecificationAllegroXDA Atom Exec
Release date
  • 2011
  • October
  • 2006
  • June
Colors
  • Black
  • White
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 310 EUR
Battery life
  • Talking time- Up to 6 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Allegro, XDA Atom Exec.
SpecificationAllegroXDA Atom Exec
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • Wi-Fi 802.11 a/b/g/n/ac
  • A2DP
  • EDR
  • 1.2
Music and Audio
Music and Audio — specifications for Allegro, XDA Atom Exec.
SpecificationAllegroXDA Atom Exec
Radio
  • panorama
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Allegro, XDA Atom Exec.
SpecificationAllegroXDA Atom Exec
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/WMA/eAAC+ player -MP4/WMV/H.264 player -Document viewer -Voice memo -Predictive text input - Also known as Acer W4
  • Acer M310
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player