Acer Allegro vs Spice Smart Flo 503 (Mi-503)

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: 54 g lighter

    Allegro:
    126 g
    Smart Flo 503 (Mi-503):
    180 g
  • Width

    Allegro: 15.8 mm narrower

    Allegro:
    59 mm
    Smart Flo 503 (Mi-503):
    74.8 mm
  • Screen diagonal

    Allegro: 1.4 in smaller diagonal

    Allegro:
    3.6 in
    Smart Flo 503 (Mi-503):
    5 in
  • Chipset

    Allegro:
    Qualcomm MSM8255 Snapdragon S2
    Smart Flo 503 (Mi-503):
    Mediatek MT6571 (28 nm)
  • Depth

    Smart Flo 503 (Mi-503): 3.2 mm thinner

    Allegro:
    13 mm
    Smart Flo 503 (Mi-503):
    9.8 mm
  • Height

    Allegro: 34.4 mm shorter

    Allegro:
    116 mm
    Smart Flo 503 (Mi-503):
    150.4 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 +3.2 mm versus Smart Flo 503 (Mi-503)
  2. 2. Smart Flo 503 (Mi-503)

    Height:
    150.4 mm +34.4 mm versus Allegro
    Width:
    74.8 mm +15.8 mm versus Allegro
    Depth:
    9.8 mm

Weight

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

  1. 1. Allegro

    126 g

  2. 2. Smart Flo 503 (Mi-503)

    180 g

    +54 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. Smart Flo 503 (Mi-503)

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

Smart Flo 503 (Mi-503) has approximately 86.8% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Allegro: Original memory entry

8 GB

Smart Flo 503 (Mi-503): 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. Smart Flo 503 (Mi-503)

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Smart Flo 503 (Mi-503)

    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. Smart Flo 503 (Mi-503)

Everyday essentials
Everyday essentials — specifications for Allegro, Smart Flo 503 (Mi-503).
SpecificationAllegroSmart Flo 503 (Mi-503)
Dimensions (HxWxD)
  • 116 Х 59 Х 13 mm
  • 150.4 Х 74.8 Х 9.8 mm
Weight
  • 126 g
  • 180 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.6" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 480 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
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 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8255 Snapdragon S2
  • Mediatek MT6571 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Allegro, Smart Flo 503 (Mi-503).
SpecificationAllegroSmart Flo 503 (Mi-503)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 36.9 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 53.9%
  • 61.2%
PPI /points per inch/
  • 259 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for Allegro, Smart Flo 503 (Mi-503).
SpecificationAllegroSmart Flo 503 (Mi-503)
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions Unknown
  • LED flash
  • panorama
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications
  • Super AMOLED
  • 2 MP
Performance

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

Performance — specifications for Allegro, Smart Flo 503 (Mi-503).
SpecificationAllegroSmart Flo 503 (Mi-503)
Processor CPU
  • 1.0 GHz Scorpion
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Adreno 205
  • Mali-400
Antutu 7 score *
  • 586
Unknown
General specs
General specs — specifications for Allegro, Smart Flo 503 (Mi-503).
SpecificationAllegroSmart Flo 503 (Mi-503)
Release date
  • 2011
  • October
  • 2014
  • August
Colors
  • Black
  • White
  • White
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
Unknown
Battery life
  • Talking time- Up to 6 h (3G)
  • Stand by time- Up to 200 h Talking time- Up to 5 h Music play - Up to 30 h
Communication and Connectivity
Communication and Connectivity — specifications for Allegro, Smart Flo 503 (Mi-503).
SpecificationAllegroSmart Flo 503 (Mi-503)
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual SIM (Mini-SIM/ Micro-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 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 b/g/n
  • hotspot
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
  • 4.0
  • A2DP
  • EDR
Harmful irradiation Unknown
  • SAR EU - 0.82 W/kg (head)
Music and Audio
Music and Audio — specifications for Allegro, Smart Flo 503 (Mi-503).
SpecificationAllegroSmart Flo 503 (Mi-503)
Radio
  • panorama
  • FM radio
Other features
Other features — specifications for Allegro, Smart Flo 503 (Mi-503).
SpecificationAllegroSmart Flo 503 (Mi-503)
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