Infinix Zero 4 vs Xiaomi Redmi 7A

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.

  • Width

    Redmi 7A: 5.6 mm narrower

    Zero 4:
    76 mm
    Redmi 7A:
    70.4 mm
  • Chipset

    Zero 4:
    Mediatek MT6753 (28 nm)
    Redmi 7A:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Depth

    Zero 4: 1.8 mm thinner

    Zero 4:
    7.8 mm
    Redmi 7A:
    9.6 mm
  • Height

    Redmi 7A: 5.2 mm shorter

    Zero 4:
    151.5 mm
    Redmi 7A:
    146.3 mm
  • Release year

    Zero 4:
    2017
    Redmi 7A:
    2019

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 +5.2 mm versus Redmi 7A
    Width:
    76 mm +5.6 mm versus Redmi 7A
    Depth:
    7.8 mm
  2. 2. Redmi 7A

    Height:
    146.3 mm
    Width:
    70.4 mm
    Depth:
    9.6 mm +1.8 mm versus Zero 4

Weight

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

  1. 1. Zero 4

    167.5 g

    +2.5 g versus Redmi 7A

  2. 2. Redmi 7A

    165 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. Redmi 7A

    Screen diagonal:
    5.45 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    76.7 cm²

Zero 4 has approximately 8.8% more rectangular screen area than Redmi 7A.

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, Redmi 7A, compared at the same storage capacity.
StorageZero 4Redmi 7A
32 GB 3 GB RAM Unknown
Redmi 7A: Original memory entry

32 GB · 2/3 RAM 16 GB · 2 GB 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. Redmi 7A

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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

  2. 2. Redmi 7A

    4000 mAh

    +800 mAh versus Zero 4

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. Redmi 7A

Everyday essentials
Everyday essentials — specifications for Zero 4, Redmi 7A.
SpecificationZero 4Redmi 7A
Dimensions (HxWxD)
  • 151.5 Х 76 Х 7.8 mm
  • 146.3 Х 70.4 Х 9.6 mm
Weight
  • 167.5 g
  • 165 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.45" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 32 GB
  • 2/3 RAM 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 9.0 (Pie); MIUI 10.2.7
Chipset
  • Mediatek MT6753 (28 nm)
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zero 4, Redmi 7A.
SpecificationZero 4Redmi 7A
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 76.7 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 72.4%
  • 74.4%
PPI /points per inch/
  • 401 PPI
  • 295 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zero 4, Redmi 7A.
SpecificationZero 4Redmi 7A
Rear camera, main
  • 16 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • OIS
  • Laser AF/ PDAF
  • 13 MP
  • f/2.2
  • 1.12µm
  • PDAF - China -12 MP
  • 1/2.9''
  • 1.25µm
  • PDAF - India
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 13 MP
  • f/2.2
  • 1.12µm
  • PDAF - China
Performance

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

Performance — specifications for Zero 4, Redmi 7A.
SpecificationZero 4Redmi 7A
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Octa-core (2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53)
Graphics processor GPU
  • Mali-T720MP3
  • Adreno 505
Antutu 7 score *
  • 22135
Unknown
GeekBench 4 Single Core *
  • 632
Unknown
GeekBench 4 Multi-Core *
  • 2913
Unknown
Antutu 8 score * Unknown
  • 90664
GeekBench 5 Single Core *
  • 110
Unknown
GeekBench 5 Multi-Core *
  • 418
Unknown
General specs
General specs — specifications for Zero 4, Redmi 7A.
SpecificationZero 4Redmi 7A
Release date
  • 2017
  • March
  • 2019
  • May
Colors
  • Anthracite Grey
  • Champagne Gold
  • Barbie Pink
  • Filber Brown
  • Matte Black
  • Morning blue
  • Matte Blue
  • Matte Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 100 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Zero 4, Redmi 7A.
SpecificationZero 4Redmi 7A
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.74 W/kg (head) 0.79 W/kg (body)
Music and Audio
Music and Audio — specifications for Zero 4, Redmi 7A.
SpecificationZero 4Redmi 7A
Radio
  • FM radio
  • FM radio
  • built-in antenna
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Zero 4, Redmi 7A.
SpecificationZero 4Redmi 7A
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging 10W - China only - Splash resistant - For India and China