Acer Allegro vs Samsung DoubleTime I857

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

    Allegro: 22 g lighter

    Allegro:
    126 g
    DoubleTime I857:
    148 g
  • Width

    Allegro: 3 mm narrower

    Allegro:
    59 mm
    DoubleTime I857:
    62 mm
  • Screen diagonal

    DoubleTime I857: 0.4 in smaller diagonal

    Allegro:
    3.6 in
    DoubleTime I857:
    3.2 in
  • Chipset

    Allegro:
    Qualcomm MSM8255 Snapdragon S2
    DoubleTime I857:
    Qualcomm MSM7230
  • Depth

    Allegro: 2 mm thinner

    Allegro:
    13 mm
    DoubleTime I857:
    15 mm
  • Height

    DoubleTime I857: 3 mm shorter

    Allegro:
    116 mm
    DoubleTime I857:
    113 mm

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 +3 mm versus DoubleTime I857
    Width:
    59 mm
    Depth:
    13 mm
  2. 2. DoubleTime I857

    Height:
    113 mm
    Width:
    62 mm +3 mm versus Allegro
    Depth:
    15 mm +2 mm versus Allegro

Weight

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

  1. 1. Allegro

    126 g

  2. 2. DoubleTime I857

    148 g

    +22 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. DoubleTime I857

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²

Allegro has approximately 21% more rectangular screen area than DoubleTime I857.

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

DoubleTime I857: Original memory entry

260 MB · 256 MB 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. Allegro

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

2. DoubleTime I857

NFC:
Unknown
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. Allegro

    1300 mAh

    +100 mAh versus DoubleTime I857

  2. 2. DoubleTime I857

    1200 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. Allegro2. DoubleTime I857

Everyday essentials
Everyday essentials — specifications for Allegro, DoubleTime I857.
SpecificationAllegroDoubleTime I857
Dimensions (HxWxD)
  • 116 Х 59 Х 13 mm
  • 113 Х 62 Х 15 mm
Weight
  • 126 g
  • 148 g
Technology
  • TFT
  • TFT
Screen size
  • 3.6" inch
  • 3.2" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 260 MB
  • 256 MB RAM
Memory card support
  • panorama
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7.5 Mango
  • Android 2.2 (Froyo)
Chipset
  • Qualcomm MSM8255 Snapdragon S2
  • Qualcomm MSM7230
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Allegro, DoubleTime I857.
SpecificationAllegroDoubleTime I857
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 36.9 cm2
  • 30.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 53.9%
  • 43.5%
PPI /points per inch/
  • 259 PPI
  • 180 PPI
Camera and Video
Camera and Video — specifications for Allegro, DoubleTime I857.
SpecificationAllegroDoubleTime I857
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 3.15 MP
  • AF
Video
  • Yes
  • 320p
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, DoubleTime I857.
SpecificationAllegroDoubleTime I857
Processor CPU
  • 1.0 GHz Scorpion
  • 800 MHz Scorpion
Graphics processor GPU
  • Adreno 205
  • Adreno 205
Antutu 7 score *
  • 586
Unknown
General specs
General specs — specifications for Allegro, DoubleTime I857.
SpecificationAllegroDoubleTime I857
Release date
  • 2011
  • October
  • 2011
  • October
Colors
  • Black
  • White
  • Black/White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 70 EUR
Battery life
  • Talking time- Up to 6 h (3G)
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Allegro, DoubleTime I857.
SpecificationAllegroDoubleTime I857
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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 7.2/2 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • No
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Wi-Fi 802.11 a/b/g/n/ac
  • A2DP
  • EDR
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.54 W/kg (head) 0.97 W/kg (body)
Music and Audio
Music and Audio — specifications for Allegro, DoubleTime I857.
SpecificationAllegroDoubleTime I857
Radio
  • panorama
  • No
Others Unknown
  • Secondary TFT capacitive touchscreen (with multitouch)
  • 320 x 480 pixels
  • 3.2 inches
Other features
Other features — specifications for Allegro, DoubleTime I857.
SpecificationAllegroDoubleTime I857
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
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo/dial/commands -Predictive text input - For AT&T