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Infinix Zero 4 Plus vs Lava Iris 503

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.

  • Weight

    Iris 503: 28 g lighter

    Zero 4 Plus:
    203 g
    Iris 503:
    175 g
  • Width

    Iris 503: 9.7 mm narrower

    Zero 4 Plus:
    83 mm
    Iris 503:
    73.3 mm
  • Screen diagonal

    Iris 503: 0.98 in smaller diagonal

    Zero 4 Plus:
    5.98 in
    Iris 503:
    5 in
  • Depth

    Zero 4 Plus: 2.2 mm thinner

    Zero 4 Plus:
    8.3 mm
    Iris 503:
    10.5 mm
  • Height

    Iris 503: 17.3 mm shorter

    Zero 4 Plus:
    160.5 mm
    Iris 503:
    143.2 mm
  • Release year

    Zero 4 Plus:
    2017
    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. Zero 4 Plus

    Height:
    160.5 mm +17.3 mm versus Iris 503
    Width:
    83 mm +9.7 mm versus Iris 503
    Depth:
    8.3 mm
  2. 2. Iris 503

    Height:
    143.2 mm
    Width:
    73.3 mm
    Depth:
    10.5 mm +2.2 mm versus Zero 4 Plus

Weight

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

  1. 1. Zero 4 Plus

    203 g

    +28 g versus Iris 503

  2. 2. Iris 503

    175 g

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. Zero 4 Plus

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

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

Zero 4 Plus has approximately 43% 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.

Zero 4 Plus: Original memory entry

64 GB · 512GB 4GB

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. Zero 4 Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB

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. Zero 4 Plus

    4000 mAh

    +2000 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. Zero 4 Plus2. Iris 503

Everyday essentials
Everyday essentials — specifications for Zero 4 Plus, Iris 503.
SpecificationZero 4 PlusIris 503
Dimensions (HxWxD)
  • 160.5 Х 83 Х 8.3 mm
  • 143.2 Х 73.3 Х 10.5 mm
Weight
  • 203 g
  • 175 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.98" inch
  • 5" inch
Screen resolution
  • 1080 x 1920 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 128 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.2 (Jelly Bean)
Chipset
  • Mediatek MT6797M Helio X20 (20 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zero 4 Plus, Iris 503.
SpecificationZero 4 PlusIris 503
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 98.6 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 74.0%
  • 65.7%
PPI /points per inch/
  • 368 PPI
  • 220 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zero 4 Plus, Iris 503.
SpecificationZero 4 PlusIris 503
Rear camera, main
  • 21 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 21 MP
  • f/2.0
  • OIS
  • Laser AF/ PDAF
  • 3.15 MP
Functions
  • LED flash
  • panorama
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 13 MP
  • f/2.2
  • 1.3 MP
Performance

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

Performance — specifications for Zero 4 Plus, Iris 503.
SpecificationZero 4 PlusIris 503
Processor CPU
  • Deca-core 2.0 GHz
  • Dual-core 1.0 GHz
Graphics processor GPU
  • Mali-T880 MP4
  • Mali-400
Antutu 7 score *
  • 73620
Unknown
GeekBench 4 Single Core *
  • 1542
Unknown
GeekBench 4 Multi-Core *
  • 4682
Unknown
General specs
General specs — specifications for Zero 4 Plus, Iris 503.
SpecificationZero 4 PlusIris 503
Release date
  • 2017
  • March
  • 2013
  • October
Colors
  • Lilac grey
  • Champagne
  • Galaxy Blue
  • Silver purple
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 90 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Zero 4 Plus, Iris 503.
SpecificationZero 4 PlusIris 503
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 HSDPA 850 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) LTE band 2(1900)
  • 4(1700/2100)
  • 28(700)
  • 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 a/b/g/n/ac
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • Yes
Music and Audio
Music and Audio — specifications for Zero 4 Plus, Iris 503.
SpecificationZero 4 PlusIris 503
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Zero 4 Plus, Iris 503.
SpecificationZero 4 PlusIris 503
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer For India