Infinix Smart vs Lenovo A3900

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

    Smart: 12 g lighter

    Smart:
    145 g
    A3900:
    157 g
  • Chipset

    Smart:
    Mediatek MT6580 (28 nm)
    A3900:
    Mediatek MT6752 (28 nm)
  • Depth

    Smart: 0.6 mm thinner

    Smart:
    8.4 mm
    A3900:
    9 mm
  • Height

    A3900: 2.1 mm shorter

    Smart:
    144.9 mm
    A3900:
    142.8 mm
  • Release year

    Smart:
    2017
    A3900:
    2015

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. Smart

    Height:
    144.9 mm +2.1 mm versus A3900
    Width:
    71.9 mm
    Depth:
    8.4 mm
  2. 2. A3900

    Height:
    142.8 mm
    Width:
    71.8 mm
    Depth:
    9 mm +0.6 mm versus Smart

Weight

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

  1. 1. Smart

    145 g

  2. 2. A3900

    157 g

    +12 g versus Smart

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. Smart

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. A3900

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

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 Smart, A3900, compared at the same storage capacity.
StorageSmartA3900
16 GB 1 GB RAM Unknown
A3900: 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. Smart

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

2. A3900

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. Smart

    3060 mAh

    +760 mAh versus A3900

  2. 2. A3900

    2300 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. Smart2. A3900

Everyday essentials
Everyday essentials — specifications for Smart, A3900.
SpecificationSmartA3900
Dimensions (HxWxD)
  • 144.9 Х 71.9 Х 8.4 mm
  • 142.8 Х 71.8 Х 9 mm
Weight
  • 145 g
  • 157 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 128 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3060 mAh
  • Non-removable Li-Ion
  • 2300 mAh
  • Removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6580 (28 nm)
  • Mediatek MT6752 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart, A3900.
SpecificationSmartA3900
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.2%
  • 67.2%
PPI /points per inch/
  • 294 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for Smart, A3900.
SpecificationSmartA3900
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 2 MP
  • 2 MP
Performance

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

Performance — specifications for Smart, A3900.
SpecificationSmartA3900
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core 1.2 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2
  • Mali-T760MP2
Antutu 7 score *
  • 21782
Unknown
General specs
General specs — specifications for Smart, A3900.
SpecificationSmartA3900
Release date
  • 2017
  • 2015
  • May
Colors
  • Champagne Gold
  • Sandstone Black
  • Bordeaux Red
  • Mysterious blue
  • Apple Green
  • Black
  • Pearl White
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Smart, A3900.
SpecificationSmartA3900
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Smart, A3900.
SpecificationSmartA3900
Radio
  • FM radio
  • No
Other features
Other features — specifications for Smart, A3900.
SpecificationSmartA3900
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity - Preliminary specifications