Allview E4 vs verykool s3504 Mystic II

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.

  • Weight

    s3504 Mystic II: 25 g lighter

    E4:
    130 g
    s3504 Mystic II:
    105 g
  • Width

    s3504 Mystic II: 5.2 mm narrower

    E4:
    70.2 mm
    s3504 Mystic II:
    65 mm
  • Screen diagonal

    s3504 Mystic II: 2 in smaller diagonal

    E4:
    5.5 in
    s3504 Mystic II:
    3.5 in
  • Chipset

    E4:
    Mediatek MT6753 (28 nm)
    s3504 Mystic II:
    Mediatek MT6572M (28 nm)
  • Depth

    E4: 3.4 mm thinner

    E4:
    8.6 mm
    s3504 Mystic II:
    12 mm
  • Height

    s3504 Mystic II: 21.7 mm shorter

    E4:
    140.7 mm
    s3504 Mystic II:
    119 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. E4

    Height:
    140.7 mm +21.7 mm versus s3504 Mystic II
    Width:
    70.2 mm +5.2 mm versus s3504 Mystic II
    Depth:
    8.6 mm
  2. 2. s3504 Mystic II

    Height:
    119 mm
    Width:
    65 mm
    Depth:
    12 mm +3.4 mm versus E4

Weight

Bars start at zero and share a scale within this chart.

  1. 1. E4

    130 g

    +25 g versus s3504 Mystic II

  2. 2. s3504 Mystic II

    105 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. E4

    E4: Screen geometry unavailable or conflicting.

  2. 2. s3504 Mystic II

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

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 E4, s3504 Mystic II, compared at the same storage capacity.
StorageE4s3504 Mystic II
16 GB 2 GB RAM Unknown
s3504 Mystic II: Original memory entry

4 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. E4

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

2. s3504 Mystic II

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. E4

    2100 mAh

    +900 mAh versus s3504 Mystic II

  2. 2. s3504 Mystic II

    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. E42. s3504 Mystic II

Everyday essentials
Everyday essentials — specifications for E4, s3504 Mystic II.
SpecificationE4s3504 Mystic II
Dimensions (HxWxD)
  • 140.7 Х 70.2 Х 8.6 mm
  • 119 Х 65 Х 12 mm
Weight
  • 130 g
  • 105 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3.5" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 4.2 (Jelly Bean)
Chipset
  • Mediatek MT6753 (28 nm)
  • Mediatek MT6572M (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E4, s3504 Mystic II.
SpecificationE4s3504 Mystic II
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 256K
Screen area
  • 68.9 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 143.5 Х 69.8 Х 8 mm
  • 47.2%
PPI /points per inch/
  • 294 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for E4, s3504 Mystic II.
SpecificationE4s3504 Mystic II
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 5 MP
Functions
  • Dual-LED flash
  • panorama
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • 1.3 MP
Performance

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

Performance — specifications for E4, s3504 Mystic II.
SpecificationE4s3504 Mystic II
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720MP3
  • Mali-400
Antutu 7 score *
  • 23156
Unknown
General specs
General specs — specifications for E4, s3504 Mystic II.
SpecificationE4s3504 Mystic II
Release date
  • 2015
  • September
  • 2015
  • August
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
Unknown
Battery life
  • Stand by time- Up to 210 h Talking time- Up to 9 h 30 min
  • Stand by time- Up to 170 h (3G) Talking time- Up to 4 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for E4, s3504 Mystic II.
SpecificationE4s3504 Mystic II
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 2(1900)
  • 3(1800)
  • 20(800)
  • 38(2600)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 3.0
  • A2DP
Harmful irradiation
  • SAR EU - 1.23 W/kg (head)
  • SAR - 0.83 W/kg (head) 1.17 W/kg (body)
Music and Audio
Music and Audio — specifications for E4, s3504 Mystic II.
SpecificationE4s3504 Mystic II
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for E4, s3504 Mystic II.
SpecificationE4s3504 Mystic II
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer