Infinix Smart3 Plus vs ZTE nubia Z18

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

    Smart3 Plus: 24 g lighter

    Smart3 Plus:
    148 g
    nubia Z18:
    172 g
  • Width

    nubia Z18: 3.4 mm narrower

    Smart3 Plus:
    76 mm
    nubia Z18:
    72.6 mm
  • Screen diagonal

    nubia Z18: 0.21 in smaller diagonal

    Smart3 Plus:
    6.2 in
    nubia Z18:
    5.99 in
  • Chipset

    Smart3 Plus:
    Mediatek MT6761 Helio A22 (12 nm)
    nubia Z18:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    Smart3 Plus:
    Triple
    nubia Z18:
    Dual
  • Depth

    Smart3 Plus: 0.8 mm thinner

    Smart3 Plus:
    7.8 mm
    nubia Z18:
    8.6 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 +8.4 mm versus nubia Z18
    Width:
    76 mm +3.4 mm versus nubia Z18
    Depth:
    7.8 mm
  2. 2. nubia Z18

    Height:
    148.6 mm
    Width:
    72.6 mm
    Depth:
    8.6 mm +0.8 mm versus Smart3 Plus

Weight

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

  1. 1. Smart3 Plus

    148 g

  2. 2. nubia Z18

    172 g

    +24 g versus Smart3 Plus

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. nubia Z18

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

Smart3 Plus has approximately 3.6% more rectangular screen area than nubia Z18.

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

nubia Z18: Original memory entry

128 GB · 8 GB RAM 64 GB · 6 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. Smart3 Plus

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

2. nubia Z18

NFC:
Unknown
Headphone jack:
No
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. Smart3 Plus

    3500 mAh

    +50 mAh versus nubia Z18

  2. 2. nubia Z18

    3450 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. nubia Z18

Everyday essentials
Everyday essentials — specifications for Smart3 Plus, nubia Z18.
SpecificationSmart3 Plusnubia Z18
Dimensions (HxWxD)
  • 157 Х 76 Х 7.8 mm
  • 148.6 Х 72.6 Х 8.6 mm
Weight
  • 148 g
  • 172 g
Technology
  • LTPS IPS LCD
  • LTPS IPS LCD
Screen size
  • 6.2" inch
  • 5.99" inch
Screen resolution
  • 720 x 1520 px
  • 1080 x 2160 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
  • 128 GB
  • 8 GB RAM 64 GB
  • 6 GB RAM
Memory card support
  • microSD
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 3450 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 8.1 (Oreo); Nubia UI 6
Chipset
  • Mediatek MT6761 Helio A22 (12 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for Smart3 Plus, nubia Z18.
SpecificationSmart3 Plusnubia Z18
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 92.6 cm2
Screen format
  • 19:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 81.6%
  • 85.8%
PPI /points per inch/
  • 269 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Smart3 Plus, nubia Z18.
SpecificationSmart3 Plusnubia Z18
Rear camera, main
  • 13 MP
  • Triple
  • 24 MP
  • Dual
Camera specs
  • 13 MP
  • f/1.8
  • PDAF -2 MP -QVGA
  • 24 MP
  • f/1.6
  • OIS
  • dual pixel PDAF -16 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for Smart3 Plus, nubia Z18.
SpecificationSmart3 Plusnubia Z18
Processor CPU
  • Quad-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.65 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 630
Antutu 7 score *
  • 56322
Unknown
General specs
General specs — specifications for Smart3 Plus, nubia Z18.
SpecificationSmart3 Plusnubia Z18
Release date
  • 2019
  • April
  • 2018
  • September
Colors
  • Midnight Black
  • Aqua Blue
  • Cosmic Purple
  • Bordeaux Red
  • Black
  • Red
  • Stary Night
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 7000 INR
  • 400 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Smart3 Plus, nubia Z18.
SpecificationSmart3 Plusnubia Z18
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 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat18 1200/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Smart3 Plus, nubia Z18.
SpecificationSmart3 Plusnubia Z18
Radio
  • FM radio
  • No
Others Unknown
  • DTS HD sound -32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Smart3 Plus, nubia Z18.
SpecificationSmart3 Plusnubia Z18
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 4.0)