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Amoi E850 vs Lava X81

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.

  • Weight

    E850: 50 g lighter

    E850:
    108 g
    X81:
    158 g
  • Width

    E850: 17.8 mm narrower

    E850:
    54 mm
    X81:
    71.8 mm
  • Screen diagonal

    E850: 3.1 in smaller diagonal

    E850:
    2.4 in
    X81:
    5.5 in
  • Depth

    X81: 11.1 mm thinner

    E850:
    20 mm
    X81:
    8.9 mm
  • Height

    E850: 53 mm shorter

    E850:
    102 mm
    X81:
    155 mm
  • Release year

    E850:
    2006
    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. E850

    Height:
    102 mm
    Width:
    54 mm
    Depth:
    20 mm +11.1 mm versus X81
  2. 2. X81

    Height:
    155 mm +53 mm versus E850
    Width:
    71.8 mm +17.8 mm versus E850
    Depth:
    8.9 mm

Weight

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

  1. 1. E850

    108 g

  2. 2. X81

    158 g

    +50 g versus E850

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. E850

    E850: Screen geometry unavailable or conflicting.

  2. 2. X81

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 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 E850, X81, compared at the same storage capacity.
StorageE850X81
32 GB Unknown 2 GB RAM
E850: Original memory entry

64 MB RAM · 128 MB ROM

Practical features

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

1. E850

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

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. E850

    1100 mAh

  2. 2. X81

    2800 mAh

    +1700 mAh versus E850

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. E8502. X81

Everyday essentials
Everyday essentials — specifications for E850, X81.
SpecificationE850X81
Dimensions (HxWxD)
  • 102 Х 54 Х 20 mm
  • 155 Х 71.8 Х 8.9 mm
Weight
  • 108 g
  • 158 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 5.5" inch
Screen resolution
  • 204 x 320 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 32 GB
  • 2 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 2800 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 for PocketPC Phone Edition
  • Android 5.1 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for E850, X81.
SpecificationE850X81
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 16.8 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 130.6 g
  • 74.9%
PPI /points per inch/
  • 0 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for E850, X81.
SpecificationE850X81
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications
  • Super AMOLED
  • 5 MP
Performance

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

Performance — specifications for E850, X81.
SpecificationE850X81
Processor CPU
  • Intel XScale PXA 272 312 MHz
  • Quad-core
Antutu 7 score * Unknown
  • 29391
General specs
General specs — specifications for E850, X81.
SpecificationE850X81
Release date
  • 2006
  • Q2
  • 2016
  • November
Colors
  • Black
  • Blue
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for E850, X81.
SpecificationE850X81
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 40(2300)
Speed
  • Super AMOLED
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • panorama
  • Yes
Wi-Fi
  • panorama
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
USB
  • HSPA 21.1/5.76 Mbps
  • microUSB 2.0
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for E850, X81.
SpecificationE850X81
Radio
  • panorama
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for E850, X81.
SpecificationE850X81
Dop
  • Super AMOLED
  • Infrared port - Pocket Office -Media player -PC Sync -Voice memo -Organizer -World Time
  • Sensors Accelerometer
  • proximity - For India