verykool s4009 Crystal vs verykool s757

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: 11 mm narrower

    s4009 Crystal:
    66 mm
    s757:
    77 mm
  • Screen diagonal

    s4009 Crystal: 1 in smaller diagonal

    s4009 Crystal:
    4 in
    s757:
    5 in
  • Chipset

    s4009 Crystal:
    Mediatek MT6570 (28 nm)
    s757:
    Mediatek MT6573 (65 nm)
  • Depth

    s4009 Crystal: 2.1 mm thinner

    s4009 Crystal:
    10.7 mm
    s757:
    12.8 mm
  • Height

    s4009 Crystal: 21 mm shorter

    s4009 Crystal:
    127 mm
    s757:
    148 mm
  • Release year

    s4009 Crystal:
    2017
    s757:
    2012

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. s4009 Crystal

    Height:
    127 mm
    Width:
    66 mm
    Depth:
    10.7 mm
    Weight:
    Unknown
  2. 2. s757

    Height:
    148 mm +21 mm versus s4009 Crystal
    Width:
    77 mm +11 mm versus s4009 Crystal
    Depth:
    12.8 mm +2.1 mm versus s4009 Crystal
    Weight:
    288 g

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. s4009 Crystal

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. s757

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

s757 has approximately 56.2% 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.

s4009 Crystal: Original memory entry

8 GB · 512 MB RAM

s757: Original memory entry

160 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. s4009 Crystal

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

2. s757

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. s4009 Crystal

    1200 mAh

  2. 2. s757

    2300 mAh

    +1100 mAh versus s4009 Crystal

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. s4009 Crystal2. s757

Everyday essentials
Everyday essentials — specifications for s4009 Crystal, s757.
Specifications4009 Crystals757
Dimensions (HxWxD)
  • 127 Х 66 Х 10.7 mm
  • 148 Х 77 Х 12.8 mm
Weight
  • 0 g
  • 288 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 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
  • 512 MB RAM
  • 160 MB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 2300 mAh
  • Removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 2.3.5 (Gingerbread)
Chipset
  • Mediatek MT6570 (28 nm)
  • Mediatek MT6573 (65 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for s4009 Crystal, s757.
Specifications4009 Crystals757
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 71.2 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 54.3%
  • 62.4%
PPI /points per inch/
  • 233 PPI
  • 187 PPI
Camera and Video
Camera and Video — specifications for s4009 Crystal, s757.
Specifications4009 Crystals757
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • f/2.4
  • 5 MP
Functions
  • LED flash
  • panorama
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA
Performance

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

Performance — specifications for s4009 Crystal, s757.
Specifications4009 Crystals757
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • 800 MHz Cortex-A9
Graphics processor GPU
  • Mali-400
  • PowerVR SGX531
Antutu 7 score *
  • 10257
Unknown
General specs
General specs — specifications for s4009 Crystal, s757.
Specifications4009 Crystals757
Release date
  • 2017
  • June
  • 2012
Colors
  • Black/Gold
  • Black
Battery life
  • Stand by time- Up to 150 h (3G) Talking time- Up to 4 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for s4009 Crystal, s757.
Specifications4009 Crystals757
SIM card
  • Dual SIM (Mini-SIM/ Micro-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 2 (optional)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 1.13 W/kg (head) 0.81 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for s4009 Crystal, s757.
Specifications4009 Crystals757
Radio
  • Stereo FM radio
  • Stereo FM radio
Other features
Other features — specifications for s4009 Crystal, s757.
Specifications4009 Crystals757
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.263 player -MP3/WAV/eAAC+ player -Organizer -Document viewer -Voice memo/dial -Predictive text input