Asus Zenfone Pegasus 3 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

    Zenfone Pegasus 3: 16.6 g lighter

    Zenfone Pegasus 3:
    158.4 g
    Iris 503:
    175 g
  • Screen diagonal

    Iris 503: 0.2 in smaller diagonal

    Zenfone Pegasus 3:
    5.2 in
    Iris 503:
    5 in
  • Depth

    Zenfone Pegasus 3: 1.9 mm thinner

    Zenfone Pegasus 3:
    8.6 mm
    Iris 503:
    10.5 mm
  • Height

    Iris 503: 6.3 mm shorter

    Zenfone Pegasus 3:
    149.5 mm
    Iris 503:
    143.2 mm
  • Release year

    Zenfone Pegasus 3:
    2016
    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. Zenfone Pegasus 3

    Height:
    149.5 mm +6.3 mm versus Iris 503
    Width:
    73.7 mm
    Depth:
    8.6 mm
  2. 2. Iris 503

    Height:
    143.2 mm
    Width:
    73.3 mm
    Depth:
    10.5 mm +1.9 mm versus Zenfone Pegasus 3

Weight

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

  1. 1. Zenfone Pegasus 3

    158.4 g

  2. 2. Iris 503

    175 g

    +16.6 g versus Zenfone Pegasus 3

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. Zenfone Pegasus 3

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²
  2. 2. Iris 503

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

Zenfone Pegasus 3 has approximately 8.2% more rectangular screen area than Iris 503.

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.

Zenfone Pegasus 3: Original memory entry

32 GB · 3 GB RAM 16 GB · 2 GB RAM

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. Zenfone Pegasus 3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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. Zenfone Pegasus 3

    4100 mAh

    +2100 mAh versus Iris 503

  2. 2. Iris 503

    2000 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. Zenfone Pegasus 32. Iris 503

Everyday essentials
Everyday essentials — specifications for Zenfone Pegasus 3, Iris 503.
SpecificationZenfone Pegasus 3Iris 503
Dimensions (HxWxD)
  • 149.5 Х 73.7 Х 8.6 mm
  • 143.2 Х 73.3 Х 10.5 mm
Weight
  • 158.4 g
  • 175 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.2" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4100 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0.1 (Marshmallow); ZenUI
  • Android 4.2 (Jelly Bean)
Chipset
  • Mediatek MT6737 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Pegasus 3, Iris 503.
SpecificationZenfone Pegasus 3Iris 503
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.7%
  • 65.7%
PPI /points per inch/
  • 282 PPI
  • 220 PPI
Camera and Video
Camera and Video — specifications for Zenfone Pegasus 3, Iris 503.
SpecificationZenfone Pegasus 3Iris 503
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.2
  • 3.15 MP
Functions
  • LED flash
  • panorama
  • HDR
  • panorama
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 1.3 MP
Performance

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

Performance — specifications for Zenfone Pegasus 3, Iris 503.
SpecificationZenfone Pegasus 3Iris 503
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Dual-core 1.0 GHz
Graphics processor GPU
  • Mali-T720MP2
  • Mali-400
Antutu 7 score *
  • 35222
Unknown
General specs
General specs — specifications for Zenfone Pegasus 3, Iris 503.
SpecificationZenfone Pegasus 3Iris 503
Release date
  • 2016
  • June
  • 2013
  • October
Colors
  • Gold
  • Silver
  • Gray
  • Rose Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 210 EUR
  • 90 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Pegasus 3, Iris 503.
SpecificationZenfone Pegasus 3Iris 503
SIM card
  • Hybrid Dual SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 & TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • Yes
Music and Audio
Music and Audio — specifications for Zenfone Pegasus 3, Iris 503.
SpecificationZenfone Pegasus 3Iris 503
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Zenfone Pegasus 3, Iris 503.
SpecificationZenfone Pegasus 3Iris 503
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer For India