Nokia 3.1 Plus vs ZTE Obsidian

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

    Obsidian: 42.5 g lighter

    3.1 Plus:
    180 g
    Obsidian:
    137.5 g
  • Width

    Obsidian: 7.8 mm narrower

    3.1 Plus:
    76.4 mm
    Obsidian:
    68.6 mm
  • Screen diagonal

    Obsidian: 1.5 in smaller diagonal

    3.1 Plus:
    6 in
    Obsidian:
    4.5 in
  • Chipset

    3.1 Plus:
    Mediatek MT6762 Helio P22 (12 nm)
    Obsidian:
    Mediatek MT6735M (28 nm)
  • Rear camera layout

    3.1 Plus:
    Dual
    Obsidian:
    Single
  • Depth

    3.1 Plus: 2 mm thinner

    3.1 Plus:
    8.2 mm
    Obsidian:
    10.2 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. 3.1 Plus

    Height:
    156.9 mm +19.5 mm versus Obsidian
    Width:
    76.4 mm +7.8 mm versus Obsidian
    Depth:
    8.2 mm
  2. 2. Obsidian

    Height:
    137.4 mm
    Width:
    68.6 mm
    Depth:
    10.2 mm +2 mm versus 3.1 Plus

Weight

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

  1. 1. 3.1 Plus

    180 g

    +42.5 g versus Obsidian

  2. 2. Obsidian

    137.5 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. 3.1 Plus

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. Obsidian

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

3.1 Plus has approximately 66.4% more rectangular screen area than Obsidian.

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 3.1 Plus, Obsidian, compared at the same storage capacity.
Storage3.1 PlusObsidian
4 GB Unknown 1 GB RAM
3.1 Plus: Original memory entry

32 GB · 3 RAM 16 GB · 2 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. 3.1 Plus

NFC:
See details Yes (APAC & EMEA only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 400 GB

2. Obsidian

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. 3.1 Plus

    3500 mAh

    +1700 mAh versus Obsidian

  2. 2. Obsidian

    1800 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. 3.1 Plus2. Obsidian

Everyday essentials
Everyday essentials — specifications for 3.1 Plus, Obsidian.
Specification3.1 PlusObsidian
Dimensions (HxWxD)
  • 156.9 Х 76.4 Х 8.2 mm
  • 137.4 Х 68.6 Х 10.2 mm
Weight
  • 180 g
  • 137.5 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6" inch
  • 4.5" inch
Screen resolution
  • 720 x 1440 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 RAM 16 GB
  • 2 GB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 400 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • planned upgrade to Android 9.0 (Pie); Android One
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Mediatek MT6735M (28 nm)
NFC
  • Yes (APAC & EMEA only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 3.1 Plus, Obsidian.
Specification3.1 PlusObsidian
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 55.8 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 77.5%
  • 59.2%
PPI /points per inch/
  • 268 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for 3.1 Plus, Obsidian.
Specification3.1 PlusObsidian
Rear camera, main
  • 13 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF -5 MP
  • f/2.4
  • depth sensor
  • 5 MP
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 2 MP
Performance

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

Performance — specifications for 3.1 Plus, Obsidian.
Specification3.1 PlusObsidian
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU
  • PowerVR GE8320
  • Mali-T720MP2
Antutu 7 score *
  • 75202
Unknown
General specs
General specs — specifications for 3.1 Plus, Obsidian.
Specification3.1 PlusObsidian
Release date
  • 2018
  • October
  • 2015
  • August
Colors
  • Blue
  • White
  • Gray
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 252 h (3G) Talking time- Up to 6 h (3G)
Body build
  • Front glass
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 3.1 Plus, Obsidian.
Specification3.1 PlusObsidian
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.41 W/kg (head) 1.58 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for 3.1 Plus, Obsidian.
Specification3.1 PlusObsidian
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for 3.1 Plus, Obsidian.
Specification3.1 PlusObsidian
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer