Infinix Zero 4 vs Vodafone Smart first 7

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

    Smart first 7: 57.5 g lighter

    Zero 4:
    167.5 g
    Smart first 7:
    110 g
  • Width

    Smart first 7: 13.2 mm narrower

    Zero 4:
    76 mm
    Smart first 7:
    62.8 mm
  • Screen diagonal

    Smart first 7: 2 in smaller diagonal

    Zero 4:
    5.5 in
    Smart first 7:
    3.5 in
  • Chipset

    Zero 4:
    Mediatek MT6753 (28 nm)
    Smart first 7:
    Spreadtrum SC7731G
  • Depth

    Zero 4: 4.2 mm thinner

    Zero 4:
    7.8 mm
    Smart first 7:
    12 mm
  • Height

    Smart first 7: 37.1 mm shorter

    Zero 4:
    151.5 mm
    Smart first 7:
    114.4 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. Zero 4

    Height:
    151.5 mm +37.1 mm versus Smart first 7
    Width:
    76 mm +13.2 mm versus Smart first 7
    Depth:
    7.8 mm
  2. 2. Smart first 7

    Height:
    114.4 mm
    Width:
    62.8 mm
    Depth:
    12 mm +4.2 mm versus Zero 4

Weight

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

  1. 1. Zero 4

    167.5 g

    +57.5 g versus Smart first 7

  2. 2. Smart first 7

    110 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

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Smart first 7

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Zero 4 has approximately 128.6% more rectangular screen area than Smart first 7.

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 Zero 4, Smart first 7, compared at the same storage capacity.
StorageZero 4Smart first 7
32 GB 3 GB RAM Unknown
Smart first 7: 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

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

2. Smart first 7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (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. Zero 4

    3200 mAh

    +1800 mAh versus Smart first 7

  2. 2. Smart first 7

    1400 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 42. Smart first 7

Everyday essentials
Everyday essentials — specifications for Zero 4, Smart first 7.
SpecificationZero 4Smart first 7
Dimensions (HxWxD)
  • 151.5 Х 76 Х 7.8 mm
  • 114.4 Х 62.8 Х 12 mm
Weight
  • 167.5 g
  • 110 g
Technology
  • IPS LCD
  • TFT TN
Screen size
  • 5.5" inch
  • 3.5" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6753 (28 nm)
  • Spreadtrum SC7731G
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zero 4, Smart first 7.
SpecificationZero 4Smart first 7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 72.4%
  • 50.8%
PPI /points per inch/
  • 401 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zero 4, Smart first 7.
SpecificationZero 4Smart first 7
Rear camera, main
  • 16 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • OIS
  • Laser AF/ PDAF
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.2
Unknown
Performance

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

Performance — specifications for Zero 4, Smart first 7.
SpecificationZero 4Smart first 7
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720MP3
  • Mali-400MP2
Antutu 7 score *
  • 22135
Unknown
GeekBench 4 Single Core *
  • 632
Unknown
GeekBench 4 Multi-Core *
  • 2913
Unknown
GeekBench 5 Single Core *
  • 110
Unknown
GeekBench 5 Multi-Core *
  • 418
Unknown
General specs
General specs — specifications for Zero 4, Smart first 7.
SpecificationZero 4Smart first 7
Release date
  • 2017
  • March
  • 2016
  • May
Colors
  • Anthracite Grey
  • Champagne Gold
  • Barbie Pink
  • Filber Brown
  • Volcano Black
  • Tech White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 30 EUR
Battery life Unknown
  • Talking time- Up to 5 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Zero 4, Smart first 7.
SpecificationZero 4Smart first 7
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-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
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • A-GPS only
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Zero 4, Smart first 7.
SpecificationZero 4Smart first 7
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Zero 4, Smart first 7.
SpecificationZero 4Smart first 7
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors No