TECNO Phantom 8 vs vivo X23

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.

  • Display technology

    OLED versus LCD

    Phantom 8:
    LCD
    X23:
    OLED
  • Width

    X23: 5.4 mm narrower

    Phantom 8:
    79.5 mm
    X23:
    74.1 mm
  • Screen diagonal

    Phantom 8: 0.71 in smaller diagonal

    Phantom 8:
    5.7 in
    X23:
    6.41 in
  • Chipset

    Phantom 8:
    Mediatek MT6757T Helio P25 (16 nm)
    X23:
    Qualcomm SDM670 Snapdragon 670 (10 nm)
  • Height

    X23: 2.3 mm shorter

    Phantom 8:
    160 mm
    X23:
    157.7 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 +2.3 mm versus X23
    Width:
    79.5 mm +5.4 mm versus X23
    Depth:
    7.9 mm
    Weight:
    185 g
  2. 2. X23

    Height:
    157.7 mm
    Width:
    74.1 mm
    Depth:
    7.5 mm
    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. Phantom 8

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²
  2. 2. X23

    Screen diagonal:
    6.41 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.9 cm²

X23 has approximately 12.6% more rectangular screen area than Phantom 8.

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, X23, compared at the same storage capacity.
StoragePhantom 8X23
64 GB 6 GB RAM Not recorded
128 GB Not recorded 8 GB 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. X23

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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

    +100 mAh versus X23

  2. 2. X23

    3400 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. X23

Everyday essentials
Everyday essentials — specifications for Phantom 8, X23.
SpecificationPhantom 8X23
Dimensions (HxWxD)
  • 160 Х 79.5 Х 7.9 mm
  • 157.7 Х 74.1 Х 7.5 mm
Weight
  • 185 g
  • 0 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.7" inch
  • 6.41" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 6 GB RAM
  • 128 GB
  • 8 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 3400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 8.1 (Oreo); Funtouch 4.5
Chipset
  • Mediatek MT6757T Helio P25 (16 nm)
  • Qualcomm SDM670 Snapdragon 670 (10 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Phantom 8, X23.
SpecificationPhantom 8X23
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 89.6 cm2
  • 100.9 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 70.4%
  • 86.3%
PPI /points per inch/
  • 386 PPI
  • 402 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Phantom 8, X23.
SpecificationPhantom 8X23
Rear camera, main
  • 12 MP
  • Dual
  • 12 MP
  • Dual
Camera specs
  • 12 MP
  • f/2.0
  • PDAF -13 MP
  • f/2.6
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -13 MP
  • f/2.4
Functions
  • Dual-LED dual-tone flash
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 12 MP
  • Single
Specifications
  • 20 MP
  • f/2.0
  • 12 MP
Performance

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

Performance — specifications for Phantom 8, X23.
SpecificationPhantom 8X23
Processor CPU
  • Octa-core (4x2.6 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
  • Octa-core (4x2.0 GHz Kryo 360 & 4x1.8 GHz Kryo 360)
Graphics processor GPU
  • Mali-T880MP2
  • Adreno 615
Antutu 7 score * Unknown
  • 146328
Antutu 8 score *
  • 65232
Unknown
General specs
General specs — specifications for Phantom 8, X23.
SpecificationPhantom 8X23
Release date
  • 2018
  • April
  • 2018
  • September
Colors
  • Galaxy Blue
  • Champagne Gold
  • Phantom Black
  • Phantom Purple
  • Magic Night
  • Phantom Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 500 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Phantom 8, X23.
SpecificationPhantom 8X23
SIM card
  • Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/150 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 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • EDR
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for Phantom 8, X23.
SpecificationPhantom 8X23
Radio
  • FM radio
  • FM radio
Others Unknown
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Phantom 8, X23.
SpecificationPhantom 8X23
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging
  • Sensors Fingerprint (under display)
  • accelerometer
  • proximity
  • compass - Fast battery charging 10V/2.25A 22.5W