Xolo Era 4K 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.

  • Width

    Obsidian: 3.2 mm narrower

    Era 4K:
    71.8 mm
    Obsidian:
    68.6 mm
  • Screen diagonal

    Obsidian: 0.5 in smaller diagonal

    Era 4K:
    5 in
    Obsidian:
    4.5 in
  • Chipset

    Era 4K:
    Mediatek MT6735P (28 nm)
    Obsidian:
    Mediatek MT6735M (28 nm)
  • Depth

    Era 4K: 1 mm thinner

    Era 4K:
    9.2 mm
    Obsidian:
    10.2 mm
  • Height

    Obsidian: 5.6 mm shorter

    Era 4K:
    143 mm
    Obsidian:
    137.4 mm
  • Release year

    Era 4K:
    2016
    Obsidian:
    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. Era 4K

    Height:
    143 mm +5.6 mm versus Obsidian
    Width:
    71.8 mm +3.2 mm versus Obsidian
    Depth:
    9.2 mm
    Weight:
    Unknown
  2. 2. Obsidian

    Height:
    137.4 mm
    Width:
    68.6 mm
    Depth:
    10.2 mm +1 mm versus Era 4K
    Weight:
    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. Era 4K

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

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

Era 4K has approximately 23.5% 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 Era 4K, Obsidian, compared at the same storage capacity.
StorageEra 4KObsidian
4 GB Not recorded 1 GB RAM
8 GB 2 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Era 4K

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Era 4K

    4000 mAh

    +2200 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. Era 4K2. Obsidian

Everyday essentials
Everyday essentials — specifications for Era 4K, Obsidian.
SpecificationEra 4KObsidian
Dimensions (HxWxD)
  • 143 Х 71.8 Х 9.2 mm
  • 137.4 Х 68.6 Х 10.2 mm
Weight
  • 0 g
  • 137.5 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 4.5" 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.
  • 8 GB
  • 2 GB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6735P (28 nm)
  • Mediatek MT6735M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Era 4K, Obsidian.
SpecificationEra 4KObsidian
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.1%
  • 59.2%
PPI /points per inch/
  • 294 PPI
  • 218 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Era 4K, Obsidian.
SpecificationEra 4KObsidian
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • f/2.0
  • 5 MP
Functions
  • Dual-LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 2 MP
Performance
Performance — specifications for Era 4K, Obsidian.
SpecificationEra 4KObsidian
Processor CPU
  • Quad-core 1.0 GHz Cortex-A53
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-T720MP2
  • Mali-T720MP2
General specs
General specs — specifications for Era 4K, Obsidian.
SpecificationEra 4KObsidian
Release date
  • 2016
  • February
  • 2015
  • August
Colors
  • Blue
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 130 EUR
Battery life
  • Stand by time- Up to 624 h (2G) / Up to 528 h (3G) Talking time- Up to 32 h (2G) / Up to 17 h (3G)
  • Stand by time- Up to 252 h (3G) Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Era 4K, Obsidian.
SpecificationEra 4KObsidian
SIM card
  • Dual SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 40(2300)
  • 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 42.2/11.5 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
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Era 4K, Obsidian.
SpecificationEra 4KObsidian
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Era 4K, Obsidian.
SpecificationEra 4KObsidian
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Accelerometer