alcatel Idol 2 S vs Celkon A87

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.

  • Screen diagonal

    A87: 1 in smaller diagonal

    Idol 2 S:
    5 in
    A87:
    4 in
  • Release year

    Idol 2 S:
    2014
    A87:
    2013

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. Idol 2 S

    Height:
    136.5 mm
    Width:
    69.7 mm
    Depth:
    7.5 mm
    Weight:
    126 g
  2. 2. A87

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

    Unavailable dimensions are omitted from the drawing.

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. Idol 2 S

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. A87

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

Idol 2 S has approximately 51.3% more rectangular screen area than A87.

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 Idol 2 S, A87, compared at the same storage capacity.
StorageIdol 2 SA87
8 GB 1 GB RAM Unknown
A87: Original memory entry

512 MB · 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. Idol 2 S

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. A87

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. Idol 2 S

    2150 mAh

    +700 mAh versus A87

  2. 2. A87

    1450 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. Idol 2 S2. A87

Everyday essentials
Everyday essentials — specifications for Idol 2 S, A87.
SpecificationIdol 2 SA87
Dimensions (HxWxD)
  • 136.5 Х 69.7 Х 7.5 mm
  • Х Х mm
Weight
  • 126 g
  • 0 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 512 MB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2150 mAh
  • Non-removable Li-Ion
  • 1450 mAh
  • Li-Ion
Operating system OS
  • Android 4.3 (Jelly Bean)
  • upgradable to 4.4 (KitKat)
  • Android 2.3.6 (Gingerbread)
Chipset Unknown
  • Spreadtrum 6820
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Idol 2 S, A87.
SpecificationIdol 2 SA87
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 72.4%
Unknown
PPI /points per inch/
  • 294 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Idol 2 S, A87.
SpecificationIdol 2 SA87
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA
Performance

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

Performance — specifications for Idol 2 S, A87.
SpecificationIdol 2 SA87
Processor CPU
  • Quad-core 1.2 GHz
  • 1.0 GHz
Antutu 7 score *
  • 20450
Unknown
General specs
General specs — specifications for Idol 2 S, A87.
SpecificationIdol 2 SA87
Release date
  • 2014
  • February
  • 2013
  • January
Colors
  • Slate
  • Chocolate
  • White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 520 h (2G) / Up to 520 h (3G) Talking time- Up to 10 h 30 min (2G) / Up to 16 h 30 min (3G)
  • Stand by time- Up to 220 h Talking time- Up to 3 h
Communication and Connectivity
Communication and Connectivity — specifications for Idol 2 S, A87.
SpecificationIdol 2 SA87
SIM card
  • Micro-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - 6050Y LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 17(700) - 6050A LTE band 1(2100)
  • 5(850)
  • 19(800)
  • 20(800) - 6050F
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • Yes
Music and Audio
Music and Audio — specifications for Idol 2 S, A87.
SpecificationIdol 2 SA87
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Idol 2 S, A87.
SpecificationIdol 2 SA87
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer