QMobile E1 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: 6 mm narrower

    E1:
    72 mm
    s4009 Crystal:
    66 mm
  • Screen diagonal

    s4009 Crystal: 1 in smaller diagonal

    E1:
    5 in
    s4009 Crystal:
    4 in
  • Chipset

    E1:
    Mediatek MT6735P (28 nm)
    s4009 Crystal:
    Mediatek MT6570 (28 nm)
  • Depth

    E1: 1.8 mm thinner

    E1:
    8.9 mm
    s4009 Crystal:
    10.7 mm
  • Height

    s4009 Crystal: 16.8 mm shorter

    E1:
    143.8 mm
    s4009 Crystal:
    127 mm

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. E1

    Height:
    143.8 mm +16.8 mm versus s4009 Crystal
    Width:
    72 mm +6 mm versus s4009 Crystal
    Depth:
    8.9 mm
    Weight:
    Unknown
  2. 2. s4009 Crystal

    Height:
    127 mm
    Width:
    66 mm
    Depth:
    10.7 mm +1.8 mm versus E1
    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. E1

    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

E1 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.

Recorded RAM for E1, s4009 Crystal, compared at the same storage capacity.
StorageE1s4009 Crystal
16 GB 3 GB RAM Unknown
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. E1

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. E1

    4000 mAh

    +2800 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. E12. s4009 Crystal

Everyday essentials
Everyday essentials — specifications for E1, s4009 Crystal.
SpecificationE1s4009 Crystal
Dimensions (HxWxD)
  • 143.8 Х 72 Х 8.9 mm
  • 127 Х 66 Х 10.7 mm
Weight
  • 0 g
  • 0 g
Technology
  • IPS LCD
  • TFT
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.
  • 16 GB
  • 3 GB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 128 GB
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6735P (28 nm)
  • Mediatek MT6570 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E1, s4009 Crystal.
SpecificationE1s4009 Crystal
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 66.6%
  • 54.3%
PPI /points per inch/
  • 294 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for E1, s4009 Crystal.
SpecificationE1s4009 Crystal
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • f/2.2
  • 5 MP
  • f/2.4
Functions
  • LED flash
  • LED flash
  • panorama
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 5 MP
  • f/2.4
  • 2 MP
Performance

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

Performance — specifications for E1, s4009 Crystal.
SpecificationE1s4009 Crystal
Processor CPU
  • Quad-core 1.0 GHz Cortex-A53
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720MP2
  • Mali-400
Antutu 7 score * Unknown
  • 10257
General specs
General specs — specifications for E1, s4009 Crystal.
SpecificationE1s4009 Crystal
Release date
  • 2017
  • January
  • 2017
  • June
Colors
  • Black
  • Gold
  • Black/Gold
Battery life Unknown
  • Stand by time- Up to 150 h (3G) Talking time- Up to 4 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for E1, s4009 Crystal.
SpecificationE1s4009 Crystal
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 1.13 W/kg (head) 0.81 W/kg (body)
Music and Audio
Music and Audio — specifications for E1, s4009 Crystal.
SpecificationE1s4009 Crystal
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for E1, s4009 Crystal.
SpecificationE1s4009 Crystal
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer