Infinix Smart3 Plus vs LG Optimus Black (White version)

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

    Optimus Black (White version): 39 g lighter

    Smart3 Plus:
    148 g
    Optimus Black (White version):
    109 g
  • Width

    Optimus Black (White version): 12 mm narrower

    Smart3 Plus:
    76 mm
    Optimus Black (White version):
    64 mm
  • Screen diagonal

    Optimus Black (White version): 2.2 in smaller diagonal

    Smart3 Plus:
    6.2 in
    Optimus Black (White version):
    4 in
  • Chipset

    Smart3 Plus:
    Mediatek MT6761 Helio A22 (12 nm)
    Optimus Black (White version):
    TI OMAP 3630
  • Rear camera layout

    Smart3 Plus:
    Triple
    Optimus Black (White version):
    Single
  • Depth

    Smart3 Plus: 1.4 mm thinner

    Smart3 Plus:
    7.8 mm
    Optimus Black (White version):
    9.2 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. Smart3 Plus

    Height:
    157 mm +35 mm versus Optimus Black (White version)
    Width:
    76 mm +12 mm versus Optimus Black (White version)
    Depth:
    7.8 mm
  2. 2. Optimus Black (White version)

    Height:
    122 mm
    Width:
    64 mm
    Depth:
    9.2 mm +1.4 mm versus Smart3 Plus

Weight

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

  1. 1. Smart3 Plus

    148 g

    +39 g versus Optimus Black (White version)

  2. 2. Optimus Black (White version)

    109 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. Smart3 Plus

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    95.9 cm²
  2. 2. Optimus Black (White version)

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

Smart3 Plus has approximately 110.7% more rectangular screen area than Optimus Black (White version).

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.

Smart3 Plus: Original memory entry

32 GB · 2/3 GB RAM

Optimus Black (White version): Original memory entry

2 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. Smart3 Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD

2. Optimus Black (White version)

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Smart3 Plus

    3500 mAh

    +2000 mAh versus Optimus Black (White version)

  2. 2. Optimus Black (White version)

    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. Smart3 Plus2. Optimus Black (White version)

Everyday essentials
Everyday essentials — specifications for Smart3 Plus, Optimus Black (White version).
SpecificationSmart3 PlusOptimus Black (White version)
Dimensions (HxWxD)
  • 157 Х 76 Х 7.8 mm
  • 122 Х 64 Х 9.2 mm
Weight
  • 148 g
  • 109 g
Technology
  • LTPS IPS LCD
  • IPS LCD
Screen size
  • 6.2" inch
  • 4" inch
Screen resolution
  • 720 x 1520 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
  • 2/3 GB RAM
  • 2 GB
  • 512 MB RAM
Memory card support
  • microSD
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 2.2 (Froyo)
  • 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6761 Helio A22 (12 nm)
  • TI OMAP 3630
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart3 Plus, Optimus Black (White version).
SpecificationSmart3 PlusOptimus Black (White version)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 45.5 cm2
Screen format
  • 19:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 81.6%
  • 58.3%
PPI /points per inch/
  • 269 PPI
  • 233 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Smart3 Plus, Optimus Black (White version).
SpecificationSmart3 PlusOptimus Black (White version)
Rear camera, main
  • 13 MP
  • Triple
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/1.8
  • PDAF -2 MP -QVGA
  • 5 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • 2 MP
Performance

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

Performance — specifications for Smart3 Plus, Optimus Black (White version).
SpecificationSmart3 PlusOptimus Black (White version)
Processor CPU
  • Quad-core 2.0 GHz Cortex-A53
  • 1.0 GHz Cortex-A8
Graphics processor GPU
  • PowerVR GE8320
  • PowerVR SGX530
Antutu 7 score *
  • 56322
Unknown
General specs
General specs — specifications for Smart3 Plus, Optimus Black (White version).
SpecificationSmart3 PlusOptimus Black (White version)
Release date
  • 2019
  • April
  • 2011
  • July
Colors
  • Midnight Black
  • Aqua Blue
  • Cosmic Purple
  • Bordeaux Red
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 7000 INR
  • 140 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Smart3 Plus, Optimus Black (White version).
SpecificationSmart3 PlusOptimus Black (White version)
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 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Up to 48 kbps
Edge
  • Yes
  • Up to 237 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
  • A2DP
  • EDR
Harmful irradiation Unknown
  • SAR EU - 1.27 W/kg (head)
Music and Audio
Music and Audio — specifications for Smart3 Plus, Optimus Black (White version).
SpecificationSmart3 PlusOptimus Black (White version)
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Other features
Other features — specifications for Smart3 Plus, Optimus Black (White version).
SpecificationSmart3 PlusOptimus Black (White version)
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass - MP4/DivX/Xvid/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer -Organizer -Voice memo/dial/commands -Predictive text input