Celkon Q3K Power vs Lava X81

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

    Q3K Power: 30 g lighter

    Q3K Power:
    128 g
    X81:
    158 g
  • Width

    Q3K Power: 6.8 mm narrower

    Q3K Power:
    65 mm
    X81:
    71.8 mm
  • Screen diagonal

    Q3K Power: 1.5 in smaller diagonal

    Q3K Power:
    4 in
    X81:
    5.5 in
  • Depth

    X81: 0.9 mm thinner

    Q3K Power:
    9.8 mm
    X81:
    8.9 mm
  • Height

    Q3K Power: 29.2 mm shorter

    Q3K Power:
    125.8 mm
    X81:
    155 mm
  • Release year

    Q3K Power:
    2015
    X81:
    2016

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. Q3K Power

    Height:
    125.8 mm
    Width:
    65 mm
    Depth:
    9.8 mm +0.9 mm versus X81
  2. 2. X81

    Height:
    155 mm +29.2 mm versus Q3K Power
    Width:
    71.8 mm +6.8 mm versus Q3K Power
    Depth:
    8.9 mm

Weight

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

  1. 1. Q3K Power

    128 g

  2. 2. X81

    158 g

    +30 g versus Q3K Power

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. Q3K Power

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. X81

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

X81 has approximately 83.1% more rectangular screen area than Q3K Power.

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 Q3K Power, X81, compared at the same storage capacity.
StorageQ3K PowerX81
32 GB Unknown 2 GB RAM
Q3K Power: Original memory entry

8 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. Q3K Power

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

2. X81

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. Q3K Power

    3000 mAh

    +200 mAh versus X81

  2. 2. X81

    2800 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. Q3K Power2. X81

Everyday essentials
Everyday essentials — specifications for Q3K Power, X81.
SpecificationQ3K PowerX81
Dimensions (HxWxD)
  • 125.8 Х 65 Х 9.8 mm
  • 155 Х 71.8 Х 8.9 mm
Weight
  • 128 g
  • 158 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 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
  • 512 MB RAM
  • 32 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.
  • 3000 mAh
  • Li-Ion
  • 2800 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 5.1 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
Chipset
  • Spreadtrum 7731G
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q3K Power, X81.
SpecificationQ3K PowerX81
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.7%
  • 74.9%
PPI /points per inch/
  • 233 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for Q3K Power, X81.
SpecificationQ3K PowerX81
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.3 MP
  • 5 MP
Performance

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

Performance — specifications for Q3K Power, X81.
SpecificationQ3K PowerX81
Processor CPU
  • Quad-core 1.2 GHz
  • Quad-core
Graphics processor GPU
  • Mali-400
Unknown
Antutu 7 score * Unknown
  • 29391
General specs
General specs — specifications for Q3K Power, X81.
SpecificationQ3K PowerX81
Release date
  • 2015
  • July
  • 2016
  • November
Colors
  • White
  • Black
  • Gold
  • Blue
Communication and Connectivity
Communication and Connectivity — specifications for Q3K Power, X81.
SpecificationQ3K PowerX81
SIM card
  • Dual SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
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
  • Yes
  • 384 kbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • 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 Q3K Power, X81.
SpecificationQ3K PowerX81
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Q3K Power, X81.
SpecificationQ3K PowerX81
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity - For India