Infinix Zero 4 vs LG C900 Optimus 7Q

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

    Zero 4: 10.5 g lighter

    Zero 4:
    167.5 g
    C900 Optimus 7Q:
    178 g
  • Width

    C900 Optimus 7Q: 16.5 mm narrower

    Zero 4:
    76 mm
    C900 Optimus 7Q:
    59.5 mm
  • Screen diagonal

    C900 Optimus 7Q: 2 in smaller diagonal

    Zero 4:
    5.5 in
    C900 Optimus 7Q:
    3.5 in
  • Chipset

    Zero 4:
    Mediatek MT6753 (28 nm)
    C900 Optimus 7Q:
    Qualcomm QSD8650 Snapdragon S1
  • Depth

    Zero 4: 7.4 mm thinner

    Zero 4:
    7.8 mm
    C900 Optimus 7Q:
    15.2 mm
  • Height

    C900 Optimus 7Q: 32 mm shorter

    Zero 4:
    151.5 mm
    C900 Optimus 7Q:
    119.5 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 +32 mm versus C900 Optimus 7Q
    Width:
    76 mm +16.5 mm versus C900 Optimus 7Q
    Depth:
    7.8 mm
  2. 2. C900 Optimus 7Q

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm +7.4 mm versus Zero 4

Weight

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

  1. 1. Zero 4

    167.5 g

  2. 2. C900 Optimus 7Q

    178 g

    +10.5 g versus Zero 4

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. C900 Optimus 7Q

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²

Zero 4 has approximately 139.2% more rectangular screen area than C900 Optimus 7Q.

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, C900 Optimus 7Q, compared at the same storage capacity.
StorageZero 4C900 Optimus 7Q
32 GB 3 GB RAM Unknown
C900 Optimus 7Q: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

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. C900 Optimus 7Q

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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

    +1700 mAh versus C900 Optimus 7Q

  2. 2. C900 Optimus 7Q

    1500 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. C900 Optimus 7Q

Everyday essentials
Everyday essentials — specifications for Zero 4, C900 Optimus 7Q.
SpecificationZero 4C900 Optimus 7Q
Dimensions (HxWxD)
  • 151.5 Х 76 Х 7.8 mm
  • 119.5 Х 59.5 Х 15.2 mm
Weight
  • 167.5 g
  • 178 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3.5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 800 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
  • 512 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Microsoft Windows Phone 7
Chipset
  • Mediatek MT6753 (28 nm)
  • Qualcomm QSD8650 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zero 4, C900 Optimus 7Q.
SpecificationZero 4C900 Optimus 7Q
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 34.9 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 72.4%
  • 49.0%
PPI /points per inch/
  • 401 PPI
  • 267 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Zero 4, C900 Optimus 7Q.
SpecificationZero 4C900 Optimus 7Q
Rear camera, main
  • 16 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • OIS
  • Laser AF/ PDAF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 720p
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, C900 Optimus 7Q.
SpecificationZero 4C900 Optimus 7Q
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Mali-T720MP3
  • Adreno 200
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, C900 Optimus 7Q.
SpecificationZero 4C900 Optimus 7Q
Release date
  • 2017
  • March
  • 2010
  • October
Colors
  • Anthracite Grey
  • Champagne Gold
  • Barbie Pink
  • Filber Brown
  • Black
Battery life Unknown
  • Stand by time- Up to 350 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Zero 4, C900 Optimus 7Q.
SpecificationZero 4C900 Optimus 7Q
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 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Music and Audio
Music and Audio — specifications for Zero 4, C900 Optimus 7Q.
SpecificationZero 4C900 Optimus 7Q
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for Zero 4, C900 Optimus 7Q.
SpecificationZero 4C900 Optimus 7Q
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo -Predictive text input - Also known as LG Optimus Quantum