Micromax Bolt Q381 vs Xolo Era 4K

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.

  • Memory variants

    At 8 GB storage

    Bolt Q381:
    1 GB RAM
    Era 4K:
    2 GB RAM
  • Chipset

    Bolt Q381:
    Spreadtrum SC7731G
    Era 4K:
    Mediatek MT6735P (28 nm)

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. Bolt Q381

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. Era 4K

    Height:
    143 mm
    Width:
    71.8 mm
    Depth:
    9.2 mm
    Weight:
    Unknown

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. Bolt Q381

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Era 4K

    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 Bolt Q381, Era 4K, compared at the same storage capacity.
StorageBolt Q381Era 4K
8 GB Recorded for all phones 1 GB RAM 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. Bolt Q381

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Era 4K

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Bolt Q381

    2000 mAh

  2. 2. Era 4K

    4000 mAh

    +2000 mAh versus Bolt Q381

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. Bolt Q3812. Era 4K

Everyday essentials
Everyday essentials — specifications for Bolt Q381, Era 4K.
SpecificationBolt Q381Era 4K
Dimensions (HxWxD)
  • Х Х mm
  • 143 Х 71.8 Х 9.2 mm
Weight
  • 0 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 8 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 5.1.1 (Lollipop)
Chipset
  • Spreadtrum SC7731G
  • Mediatek MT6735P (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Bolt Q381, Era 4K.
SpecificationBolt Q381Era 4K
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 Unknown
  • 67.1%
PPI /points per inch/
  • 196 PPI
  • 294 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Bolt Q381, Era 4K.
SpecificationBolt Q381Era 4K
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
  • f/2.0
Functions Unknown
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
  • f/2.2
Performance
Performance — specifications for Bolt Q381, Era 4K.
SpecificationBolt Q381Era 4K
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720MP2
General specs
General specs — specifications for Bolt Q381, Era 4K.
SpecificationBolt Q381Era 4K
Release date
  • 2016
  • July
  • 2016
  • February
Colors
  • Black
  • Blue
  • White
Battery life
  • Stand by time- Up to 360 h Talking time- Up to 6 h 30 min
  • 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)
Communication and Connectivity
Communication and Connectivity — specifications for Bolt Q381, Era 4K.
SpecificationBolt Q381Era 4K
SIM card
  • Dual SIM (Micro-SIM/ Mini-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 40(2300)
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
  • 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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Bolt Q381, Era 4K.
SpecificationBolt Q381Era 4K
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Bolt Q381, Era 4K.
SpecificationBolt Q381Era 4K
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity - For India