Infinix Smart3 Plus vs Motorola A728

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

    A728: 28 g lighter

    Smart3 Plus:
    148 g
    A728:
    120 g
  • Width

    A728: 23 mm narrower

    Smart3 Plus:
    76 mm
    A728:
    53 mm
  • Rear camera layout

    Smart3 Plus:
    Triple
    A728:
    Single
  • Depth

    Smart3 Plus: 13.2 mm thinner

    Smart3 Plus:
    7.8 mm
    A728:
    21 mm
  • Height

    A728: 56 mm shorter

    Smart3 Plus:
    157 mm
    A728:
    101 mm
  • Release year

    Smart3 Plus:
    2019
    A728:
    2005

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 +56 mm versus A728
    Width:
    76 mm +23 mm versus A728
    Depth:
    7.8 mm
  2. 2. A728

    Height:
    101 mm
    Width:
    53 mm
    Depth:
    21 mm +13.2 mm versus Smart3 Plus

Weight

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

  1. 1. Smart3 Plus

    148 g

    +28 g versus A728

  2. 2. A728

    120 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Smart3 Plus

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    95.9 cm²
  2. 2. A728

    A728: Screen geometry unavailable or conflicting.

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

A728: Original memory entry

8 MB

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. A728

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. A728

Everyday essentials
Everyday essentials — specifications for Smart3 Plus, A728.
SpecificationSmart3 PlusA728
Dimensions (HxWxD)
  • 157 Х 76 Х 7.8 mm
  • 101 Х 53 Х 21 mm
Weight
  • 148 g
  • 120 g
Technology
  • LTPS IPS LCD
  • TFT
Screen size
  • 6.2" inch
  • 0" inch
Screen resolution
  • 720 x 1520 px
  • 240 x 320 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
  • 8 MB
Memory card support
  • microSD
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 0 mAh,
Operating system OS
  • Android 9.0 (Pie)
  • Linux
Chipset
  • Mediatek MT6761 Helio A22 (12 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Smart3 Plus, A728.
SpecificationSmart3 PlusA728
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 97.4 cm2
Unknown
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 81.6%
Unknown
PPI /points per inch/
  • 269 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Smart3 Plus, A728.
SpecificationSmart3 PlusA728
Rear camera, main
  • 13 MP
  • Triple
  • 0.3 MP
  • Single
Camera specs
  • 13 MP
  • f/1.8
  • PDAF -2 MP -QVGA
Unknown
Functions
  • Dual-LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance

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

Performance — specifications for Smart3 Plus, A728.
SpecificationSmart3 PlusA728
Processor CPU
  • Quad-core 2.0 GHz Cortex-A53
Unknown
Graphics processor GPU
  • PowerVR GE8320
Unknown
Antutu 7 score *
  • 56322
Unknown
General specs
General specs — specifications for Smart3 Plus, A728.
SpecificationSmart3 PlusA728
Release date
  • 2019
  • April
  • 2005
  • July
Colors
  • Midnight Black
  • Aqua Blue
  • Cosmic Purple
  • Bordeaux Red
  • Mr. black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 7000 INR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Smart3 Plus, A728.
SpecificationSmart3 PlusA728
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
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Class 8
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • Proprietary
Bluetooth
  • 5.0
  • A2DP
  • LE
  • Yes
Music and Audio
Music and Audio — specifications for Smart3 Plus, A728.
SpecificationSmart3 PlusA728
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting and speech recognition (Chi & Eng)
Other features
Other features — specifications for Smart3 Plus, A728.
SpecificationSmart3 PlusA728
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Infrared port - MP3 player -Organizer -Voice dial/memo