TECNO Phantom 8 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: 80 g lighter

    Phantom 8:
    185 g
    s3504 Mystic II:
    105 g
  • Width

    s3504 Mystic II: 14.5 mm narrower

    Phantom 8:
    79.5 mm
    s3504 Mystic II:
    65 mm
  • Screen diagonal

    s3504 Mystic II: 2.2 in smaller diagonal

    Phantom 8:
    5.7 in
    s3504 Mystic II:
    3.5 in
  • Chipset

    Phantom 8:
    Mediatek MT6757T Helio P25 (16 nm)
    s3504 Mystic II:
    Mediatek MT6572M (28 nm)
  • Rear camera layout

    Phantom 8:
    Dual
    s3504 Mystic II:
    Single
  • Depth

    Phantom 8: 4.1 mm thinner

    Phantom 8:
    7.9 mm
    s3504 Mystic II:
    12 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. Phantom 8

    Height:
    160 mm +41 mm versus s3504 Mystic II
    Width:
    79.5 mm +14.5 mm versus s3504 Mystic II
    Depth:
    7.9 mm
  2. 2. s3504 Mystic II

    Height:
    119 mm
    Width:
    65 mm
    Depth:
    12 mm +4.1 mm versus Phantom 8

Weight

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

  1. 1. Phantom 8

    185 g

    +80 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.

  1. 1. Phantom 8

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²
  2. 2. s3504 Mystic II

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

Phantom 8 has approximately 145.5% more rectangular screen area than s3504 Mystic II.

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 Phantom 8, s3504 Mystic II, compared at the same storage capacity.
StoragePhantom 8s3504 Mystic II
64 GB 6 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. Phantom 8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. Phantom 8

    3500 mAh

    +2300 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. Phantom 82. s3504 Mystic II

Everyday essentials
Everyday essentials — specifications for Phantom 8, s3504 Mystic II.
SpecificationPhantom 8s3504 Mystic II
Dimensions (HxWxD)
  • 160 Х 79.5 Х 7.9 mm
  • 119 Х 65 Х 12 mm
Weight
  • 185 g
  • 105 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 3.5" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 6 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.2 (Jelly Bean)
Chipset
  • Mediatek MT6757T Helio P25 (16 nm)
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Phantom 8, s3504 Mystic II.
SpecificationPhantom 8s3504 Mystic II
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 89.6 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 70.4%
  • 47.2%
PPI /points per inch/
  • 386 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Phantom 8, s3504 Mystic II.
SpecificationPhantom 8s3504 Mystic II
Rear camera, main
  • 12 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 12 MP
  • f/2.0
  • PDAF -13 MP
  • f/2.6
  • 5 MP
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 20 MP
  • f/2.0
  • 1.3 MP
Performance

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

Performance — specifications for Phantom 8, s3504 Mystic II.
SpecificationPhantom 8s3504 Mystic II
Processor CPU
  • Octa-core (4x2.6 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU
  • Mali-T880MP2
  • Mali-400
Antutu 8 score *
  • 65232
Unknown
General specs
General specs — specifications for Phantom 8, s3504 Mystic II.
SpecificationPhantom 8s3504 Mystic II
Release date
  • 2018
  • April
  • 2015
  • August
Colors
  • Galaxy Blue
  • Champagne Gold
  • Phantom Black
  • Black
Battery life Unknown
  • Stand by time- Up to 170 h (3G) Talking time- Up to 4 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Phantom 8, s3504 Mystic II.
SpecificationPhantom 8s3504 Mystic II
SIM card
  • Dual SIM (Micro-SIM/Nano-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 850 / 900 / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.83 W/kg (head) 1.17 W/kg (body)
Music and Audio
Music and Audio — specifications for Phantom 8, s3504 Mystic II.
SpecificationPhantom 8s3504 Mystic II
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for Phantom 8, s3504 Mystic II.
SpecificationPhantom 8s3504 Mystic II
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging
  • Sensors Accelerometer