LG KU2100 vs Xolo Era 4K

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

    KU2100: 18.4 mm narrower

    KU2100:
    53.4 mm
    Era 4K:
    71.8 mm
  • Screen diagonal

    KU2100: 2 in smaller diagonal

    KU2100:
    3 in
    Era 4K:
    5 in
  • Chipset

    KU2100:
    Qualcomm MSM7201A
    Era 4K:
    Mediatek MT6735P (28 nm)
  • Depth

    Era 4K: 3.7 mm thinner

    KU2100:
    12.9 mm
    Era 4K:
    9.2 mm
  • Height

    KU2100: 33.2 mm shorter

    KU2100:
    109.8 mm
    Era 4K:
    143 mm
  • Release year

    KU2100:
    2010
    Era 4K:
    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. KU2100

    Height:
    109.8 mm
    Width:
    53.4 mm
    Depth:
    12.9 mm +3.7 mm versus Era 4K
    Weight:
    121 g
  2. 2. Era 4K

    Height:
    143 mm +33.2 mm versus KU2100
    Width:
    71.8 mm +18.4 mm versus KU2100
    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. KU2100

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

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

Era 4K has approximately 169% more rectangular screen area than KU2100.

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 KU2100, Era 4K, compared at the same storage capacity.
StorageKU2100Era 4K
8 GB Unknown 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. KU2100

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

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. KU2100

    1500 mAh

  2. 2. Era 4K

    4000 mAh

    +2500 mAh versus KU2100

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. KU21002. Era 4K

Everyday essentials
Everyday essentials — specifications for KU2100, Era 4K.
SpecificationKU2100Era 4K
Dimensions (HxWxD)
  • 109.8 Х 53.4 Х 12.9 mm
  • 143 Х 71.8 Х 9.2 mm
Weight
  • 121 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3" inch
  • 5" inch
Screen resolution
  • 240 x 400 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 8 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.5 Professional
  • Android 5.1.1 (Lollipop)
Chipset
  • Qualcomm MSM7201A
  • Mediatek MT6735P (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for KU2100, Era 4K.
SpecificationKU2100Era 4K
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 25.6 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 43.7%
  • 67.1%
PPI /points per inch/
  • 155 PPI
  • 294 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for KU2100, Era 4K.
SpecificationKU2100Era 4K
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
  • f/2.0
Functions Unknown
  • Dual-LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • Videocall camera
  • 5 MP
  • f/2.2
Performance
Performance — specifications for KU2100, Era 4K.
SpecificationKU2100Era 4K
Processor CPU
  • 528 MHz ARM 11
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 130
  • Mali-T720MP2
General specs
General specs — specifications for KU2100, Era 4K.
SpecificationKU2100Era 4K
Release date
  • 2010
  • January
  • 2016
  • February
Colors
  • Black
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 110 EUR
Unknown
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 5 h
  • 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 KU2100, Era 4K.
SpecificationKU2100Era 4K
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • 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 7.2/2 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for KU2100, Era 4K.
SpecificationKU2100Era 4K
Radio
  • No
  • FM radio
Other features
Other features — specifications for KU2100, Era 4K.
SpecificationKU2100Era 4K
Dop
  • Sensors Accelerometer T-DMB broadcasting -MP4/H.264/WMV player -MP3/WAV/eAAC+/WMA player -Organizer -Pocket Office -Voice memo -Predictive text input For South Korea Also known as LG-SU210 or LU2100
  • Sensors Accelerometer
  • proximity - For India