Acer Allegro vs Celkon AR45

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.

  • Screen diagonal

    Allegro: 0.9 in smaller diagonal

    Allegro:
    3.6 in
    AR45:
    4.5 in
  • Chipset

    Allegro:
    Qualcomm MSM8255 Snapdragon S2
    AR45:
    Mediatek MT6572 (28 nm)
  • Release year

    Allegro:
    2011
    AR45:
    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. Allegro

    Height:
    116 mm
    Width:
    59 mm
    Depth:
    13 mm
    Weight:
    126 g
  2. 2. AR45

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Allegro

    Screen diagonal:
    3.6 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    36.9 cm²
  2. 2. AR45

    AR45: Screen geometry unavailable or conflicting.

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

AR45: Original memory entry

4 GB · 512 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. AR45

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

  2. 2. AR45

    2000 mAh

    +700 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. AR45

Everyday essentials
Everyday essentials — specifications for Allegro, AR45.
SpecificationAllegroAR45
Dimensions (HxWxD)
  • 116 Х 59 Х 13 mm
  • Х Х mm
Weight
  • 126 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 3.6" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 960 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 4 GB
  • 512 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
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Phone 7.5 Mango
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8255 Snapdragon S2
  • Mediatek MT6572 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Allegro, AR45.
SpecificationAllegroAR45
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 36.9 cm2
  • 64.9 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio
  • 53.9%
Unknown
PPI /points per inch/
  • 259 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Allegro, AR45.
SpecificationAllegroAR45
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications
  • Super AMOLED
  • 1.3 MP
Performance

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

Performance — specifications for Allegro, AR45.
SpecificationAllegroAR45
Processor CPU
  • 1.0 GHz Scorpion
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 205
  • Mali-400
Antutu 7 score *
  • 586
Unknown
General specs
General specs — specifications for Allegro, AR45.
SpecificationAllegroAR45
Release date
  • 2011
  • October
  • 2013
  • October
Colors
  • Black
  • White
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 90 EUR
Battery life
  • Talking time- Up to 6 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Allegro, AR45.
SpecificationAllegroAR45
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual 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 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 b/g/n
  • hotspot
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
  • Yes
Harmful irradiation Unknown
  • SAR EU - 0.74 W/kg (head) 0.68 W/kg (body)
Music and Audio
Music and Audio — specifications for Allegro, AR45.
SpecificationAllegroAR45
Radio
  • panorama
  • FM radio
Other features
Other features — specifications for Allegro, AR45.
SpecificationAllegroAR45
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