Acer Allegro vs Nokia N81

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: 14 g lighter

    Allegro:
    126 g
    N81:
    140 g
  • Width

    N81: 9 mm narrower

    Allegro:
    59 mm
    N81:
    50 mm
  • Screen diagonal

    N81: 1.2 in smaller diagonal

    Allegro:
    3.6 in
    N81:
    2.4 in
  • Depth

    Allegro: 4.9 mm thinner

    Allegro:
    13 mm
    N81:
    17.9 mm
  • Height

    N81: 14 mm shorter

    Allegro:
    116 mm
    N81:
    102 mm
  • Release year

    Allegro:
    2011
    N81:
    2007

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 N81
    Width:
    59 mm +9 mm versus N81
    Depth:
    13 mm
  2. 2. N81

    Height:
    102 mm
    Width:
    50 mm
    Depth:
    17.9 mm +4.9 mm versus Allegro

Weight

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

  1. 1. Allegro

    126 g

  2. 2. N81

    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. N81

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

Allegro has approximately 106.8% more rectangular screen area than N81.

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

N81: Original memory entry

12 MB · 96 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. N81

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 8 GB (dedicated slot) · 2 GB included

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

    +250 mAh versus N81

  2. 2. N81

    1050 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. N81

Everyday essentials
Everyday essentials — specifications for Allegro, N81.
SpecificationAllegroN81
Dimensions (HxWxD)
  • 116 Х 59 Х 13 mm
  • 102 Х 50 Х 17.9 mm
Weight
  • 126 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 3.6" inch
  • 2.4" 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
  • 12 MB
  • 96 MB RAM
Memory card support
  • panorama
  • microSD
  • up to 8 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 1050 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7.5 Mango
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Qualcomm MSM8255 Snapdragon S2
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Allegro, N81.
SpecificationAllegroN81
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 16M
Screen area
  • 36.9 cm2
  • 17.8 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 53.9%
  • 35.0%
PPI /points per inch/
  • 259 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for Allegro, N81.
SpecificationAllegroN81
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • 320p@15fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications
  • Super AMOLED
  • CIF videocall camera
Performance

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

Performance — specifications for Allegro, N81.
SpecificationAllegroN81
Processor CPU
  • 1.0 GHz Scorpion
  • 369 MHz ARM 11
Graphics processor GPU
  • Adreno 205
Unknown
Antutu 7 score *
  • 586
Unknown
General specs
General specs — specifications for Allegro, N81.
SpecificationAllegroN81
Release date
  • 2011
  • October
  • 2007
  • August
Colors
  • Black
  • White
  • Cobalt blue
  • Graphite Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 200 EUR
Battery life
  • Talking time- Up to 6 h (3G)
  • Stand by time- Up to 410 h Talking time- Up to 4 h (2G) / 3 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Allegro, N81.
SpecificationAllegroN81
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
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11b/g with UPnP
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Wi-Fi 802.11 a/b/g/n/ac
  • A2DP
  • EDR
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.73 W/kg (head) 0.60 W/kg (body) SAR EU - 0.81 W/kg (head)
Music and Audio
Music and Audio — specifications for Allegro, N81.
SpecificationAllegroN81
Radio
  • panorama
  • Stereo FM radio
Others Unknown
  • Touch-sensitive Navi wheel
Other features
Other features — specifications for Allegro, N81.
SpecificationAllegroN81
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
  • MP3/AAC/MP4 player -Predictive text input -Push to talk -Voice dial/memo -Organizer