Acer Allegro vs Lava Iris 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: 49 g lighter

    Allegro:
    126 g
    Iris 503:
    175 g
  • Width

    Allegro: 14.3 mm narrower

    Allegro:
    59 mm
    Iris 503:
    73.3 mm
  • Screen diagonal

    Allegro: 1.4 in smaller diagonal

    Allegro:
    3.6 in
    Iris 503:
    5 in
  • Depth

    Iris 503: 2.5 mm thinner

    Allegro:
    13 mm
    Iris 503:
    10.5 mm
  • Height

    Allegro: 27.2 mm shorter

    Allegro:
    116 mm
    Iris 503:
    143.2 mm
  • Release year

    Allegro:
    2011
    Iris 503:
    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 +2.5 mm versus Iris 503
  2. 2. Iris 503

    Height:
    143.2 mm +27.2 mm versus Allegro
    Width:
    73.3 mm +14.3 mm versus Allegro
    Depth:
    10.5 mm

Weight

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

  1. 1. Allegro

    126 g

  2. 2. Iris 503

    175 g

    +49 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. Iris 503

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

Iris 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

Iris 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. Iris 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. Iris 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. Iris 503

Everyday essentials
Everyday essentials — specifications for Allegro, Iris 503.
SpecificationAllegroIris 503
Dimensions (HxWxD)
  • 116 Х 59 Х 13 mm
  • 143.2 Х 73.3 Х 10.5 mm
Weight
  • 126 g
  • 175 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.6" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 540 x 960 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
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7.5 Mango
  • Android 4.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8255 Snapdragon S2
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Allegro, Iris 503.
SpecificationAllegroIris 503
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 36.9 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 53.9%
  • 65.7%
PPI /points per inch/
  • 259 PPI
  • 220 PPI
Camera and Video
Camera and Video — specifications for Allegro, Iris 503.
SpecificationAllegroIris 503
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 3.15 MP
Functions Unknown
  • panorama
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, Iris 503.
SpecificationAllegroIris 503
Processor CPU
  • 1.0 GHz Scorpion
  • Dual-core 1.0 GHz
Graphics processor GPU
  • Adreno 205
  • Mali-400
Antutu 7 score *
  • 586
Unknown
General specs
General specs — specifications for Allegro, Iris 503.
SpecificationAllegroIris 503
Release date
  • 2011
  • October
  • 2013
  • October
Colors
  • Black
  • White
  • Black
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, Iris 503.
SpecificationAllegroIris 503
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual 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
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 b/g/n
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
  • Yes
Music and Audio
Music and Audio — specifications for Allegro, Iris 503.
SpecificationAllegroIris 503
Radio
  • panorama
  • FM radio
Other features
Other features — specifications for Allegro, Iris 503.
SpecificationAllegroIris 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 For India