Acer Allegro vs Samsung Galaxy A31

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: 59 g lighter

    Allegro:
    126 g
    Galaxy A31:
    185 g
  • Width

    Allegro: 14.1 mm narrower

    Allegro:
    59 mm
    Galaxy A31:
    73.1 mm
  • Screen diagonal

    Allegro: 2.8 in smaller diagonal

    Allegro:
    3.6 in
    Galaxy A31:
    6.4 in
  • Rear camera layout

    Allegro:
    Single
    Galaxy A31:
    Quad
  • Depth

    Galaxy A31: 4.4 mm thinner

    Allegro:
    13 mm
    Galaxy A31:
    8.6 mm
  • Height

    Allegro: 43.3 mm shorter

    Allegro:
    116 mm
    Galaxy A31:
    159.3 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
    Width:
    59 mm
    Depth:
    13 mm +4.4 mm versus Galaxy A31
  2. 2. Galaxy A31

    Height:
    159.3 mm +43.3 mm versus Allegro
    Width:
    73.1 mm +14.1 mm versus Allegro
    Depth:
    8.6 mm

Weight

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

  1. 1. Allegro

    126 g

  2. 2. Galaxy A31

    185 g

    +59 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. Galaxy A31

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    98.9 cm²

Galaxy A31 has approximately 168.1% more rectangular screen area than Allegro.

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.

Recorded RAM for Allegro, Galaxy A31, compared at the same storage capacity.
StorageAllegroGalaxy A31
64 GB Unknown 4 GB RAM
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
Allegro: Original memory entry

8 GB

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. Galaxy A31

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Galaxy A31

    5000 mAh

    +3700 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. Galaxy A31

Everyday essentials
Everyday essentials — specifications for Allegro, Galaxy A31.
SpecificationAllegroGalaxy A31
Dimensions (HxWxD)
  • 116 Х 59 Х 13 mm
  • 159.3 Х 73.1 Х 8.6 mm
Weight
  • 126 g
  • 185 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3.6" inch
  • 6.4" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • panorama
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7.5 Mango
  • Android 10.0; One UI 2.0
Chipset
  • Qualcomm MSM8255 Snapdragon S2
Unknown
NFC
  • Super AMOLED
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Allegro, Galaxy A31.
SpecificationAllegroGalaxy A31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 36.9 cm2
  • 98.9 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 53.9%
  • 84.9%
PPI /points per inch/
  • 259 PPI
  • 411 PPI
Camera and Video
Camera and Video — specifications for Allegro, Galaxy A31.
SpecificationAllegroGalaxy A31
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 5 MP
  • AF
  • 48 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -5 MP
  • f/2.4
  • (macro) -5 MP
  • (depth)
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 20 MP
  • Single
Specifications
  • Super AMOLED
  • 20 MP
  • f/2.2
  • (wide)
Performance

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

Performance — specifications for Allegro, Galaxy A31.
SpecificationAllegroGalaxy A31
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
Graphics processor GPU
  • Adreno 205
Unknown
Antutu 7 score *
  • 586
Unknown
General specs
General specs — specifications for Allegro, Galaxy A31.
SpecificationAllegroGalaxy A31
Release date
  • 2011
  • October
  • 2020
  • March 24
Colors
  • Black
  • White
  • Prism Crush Black
  • Prism Crush Blue
  • Prism Crush Red
  • Prism Crush White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
Unknown
Battery life
  • Talking time- Up to 6 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Allegro, Galaxy A31.
SpecificationAllegroGalaxy A31
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • Wi-Fi 802.11 a/b/g/n/ac
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio — specifications for Allegro, Galaxy A31.
SpecificationAllegroGalaxy A31
Radio
  • panorama
Unknown
Other features
Other features — specifications for Allegro, Galaxy A31.
SpecificationAllegroGalaxy A31
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 Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W