Celkon A115 vs verykool s4009 Crystal

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

    s4009 Crystal: 8 mm narrower

    A115:
    74 mm
    s4009 Crystal:
    66 mm
  • Screen diagonal

    s4009 Crystal: 1 in smaller diagonal

    A115:
    5 in
    s4009 Crystal:
    4 in
  • Chipset

    A115:
    Mediatek MT6582 (28 nm)
    s4009 Crystal:
    Mediatek MT6570 (28 nm)
  • Depth

    A115: 1.4 mm thinner

    A115:
    9.3 mm
    s4009 Crystal:
    10.7 mm
  • Height

    s4009 Crystal: 21 mm shorter

    A115:
    148 mm
    s4009 Crystal:
    127 mm
  • Release year

    A115:
    2014
    s4009 Crystal:
    2017

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. A115

    Height:
    148 mm +21 mm versus s4009 Crystal
    Width:
    74 mm +8 mm versus s4009 Crystal
    Depth:
    9.3 mm
    Weight:
    164 g
  2. 2. s4009 Crystal

    Height:
    127 mm
    Width:
    66 mm
    Depth:
    10.7 mm +1.4 mm versus A115
    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. A115

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. s4009 Crystal

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

A115 has approximately 51.3% more rectangular screen area than s4009 Crystal.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A115: Original memory entry

4 GB · 512 MB RAM

s4009 Crystal: 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. A115

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

2. s4009 Crystal

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. A115

    2000 mAh

    +800 mAh versus s4009 Crystal

  2. 2. s4009 Crystal

    1200 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. A1152. s4009 Crystal

Everyday essentials
Everyday essentials — specifications for A115, s4009 Crystal.
SpecificationA115s4009 Crystal
Dimensions (HxWxD)
  • 148 Х 74 Х 9.3 mm
  • 127 Х 66 Х 10.7 mm
Weight
  • 164 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 480 x 854 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6582 (28 nm)
  • Mediatek MT6570 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A115, s4009 Crystal.
SpecificationA115s4009 Crystal
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 62.9%
  • 54.3%
PPI /points per inch/
  • 196 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for A115, s4009 Crystal.
SpecificationA115s4009 Crystal
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • 5 MP
  • f/2.4
Functions Unknown
  • LED flash
  • panorama
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 1.3 MP
  • 2 MP
Performance

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

Performance — specifications for A115, s4009 Crystal.
SpecificationA115s4009 Crystal
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400MP2
  • Mali-400
Antutu 7 score * Unknown
  • 10257
General specs
General specs — specifications for A115, s4009 Crystal.
SpecificationA115s4009 Crystal
Release date
  • 2014
  • 2017
  • June
Colors
  • Black
  • White
  • Black/Gold
Battery life
  • Stand by time- Up to 360 h (3G) Talking time- Up to 18 h (3G)
  • Stand by time- Up to 150 h (3G) Talking time- Up to 4 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A115, s4009 Crystal.
SpecificationA115s4009 Crystal
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Mini-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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.84 W/kg (head) 0.91 W/kg (body)
  • SAR - 1.13 W/kg (head) 0.81 W/kg (body)
Music and Audio
Music and Audio — specifications for A115, s4009 Crystal.
SpecificationA115s4009 Crystal
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for A115, s4009 Crystal.
SpecificationA115s4009 Crystal
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer