Allview X4 Xtreme vs Oppo Realme X2 Pro

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

    X4 Xtreme:
    LCD
    Realme X2 Pro:
    OLED
  • Weight

    Realme X2 Pro: 27.9 g lighter

    X4 Xtreme:
    226.9 g
    Realme X2 Pro:
    199 g
  • Width

    Realme X2 Pro: 7.6 mm narrower

    X4 Xtreme:
    83.3 mm
    Realme X2 Pro:
    75.7 mm
  • Screen diagonal

    X4 Xtreme: 0.5 in smaller diagonal

    X4 Xtreme:
    6 in
    Realme X2 Pro:
    6.5 in
  • Chipset

    X4 Xtreme:
    Mediatek MT6757T Helio P25 (16 nm)
    Realme X2 Pro:
    Qualcomm SDM855 Snapdragon 855+ (7 nm)
  • Height

    Realme X2 Pro: 5.4 mm shorter

    X4 Xtreme:
    166.4 mm
    Realme X2 Pro:
    161 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. X4 Xtreme

    Height:
    166.4 mm +5.4 mm versus Realme X2 Pro
    Width:
    83.3 mm +7.6 mm versus Realme X2 Pro
    Depth:
    9.1 mm
  2. 2. Realme X2 Pro

    Height:
    161 mm
    Width:
    75.7 mm
    Depth:
    8.7 mm

Weight

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

  1. 1. X4 Xtreme

    226.9 g

    +27.9 g versus Realme X2 Pro

  2. 2. Realme X2 Pro

    199 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. X4 Xtreme

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    99.2 cm²
  2. 2. Realme X2 Pro

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²

Realme X2 Pro has approximately 2.8% more rectangular screen area than X4 Xtreme.

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 X4 Xtreme, Realme X2 Pro, compared at the same storage capacity.
StorageX4 XtremeRealme X2 Pro
64 GB Unknown 6 GB RAM
128 GB Unknown 8 GB RAM
256 GB Unknown 12 GB RAM
X4 Xtreme: Original memory entry

up to 64 GB (dedicated slot) · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. X4 Xtreme

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. Realme X2 Pro

NFC:
Yes
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. X4 Xtreme

    4550 mAh

    +550 mAh versus Realme X2 Pro

  2. 2. Realme X2 Pro

    4000 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. X4 Xtreme2. Realme X2 Pro

Everyday essentials
Everyday essentials — specifications for X4 Xtreme, Realme X2 Pro.
SpecificationX4 XtremeRealme X2 Pro
Dimensions (HxWxD)
  • 166.4 Х 83.3 Х 9.1 mm
  • 161 Х 75.7 Х 8.7 mm
Weight
  • 226.9 g
  • 199 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 6" inch
  • 6.5" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 64 GB (dedicated slot)
  • 512GB 4GB
  • 64GB 6GB RAM
  • 128GB 8GB RAM
  • 256GB 12GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4550 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 9.0 (Pie)
  • planned upgrade to Android 10.0; ColorOS 6.1
Chipset
  • Mediatek MT6757T Helio P25 (16 nm)
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X4 Xtreme, Realme X2 Pro.
SpecificationX4 XtremeRealme X2 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.2 cm2
  • 103.5 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 146.1 Х 71.6 Х 9.9 mm
  • 84.9%
PPI /points per inch/
  • 367 PPI
  • 402 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for X4 Xtreme, Realme X2 Pro.
SpecificationX4 XtremeRealme X2 Pro
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 64 MP
  • Quad
Camera specs
  • 13 MP
  • PDAF -5 MP
  • (ultrawide/depth sensor)
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.7"
  • 0.8µm
  • PDAF -13 MP
  • f/2.5
  • 52mm (telephoto)
  • 1/3.4"
  • 1.0µm
  • PDAF
  • 2x optical zoom -8 MP
  • f/2.2
  • 16mm (ultrawide)
  • 1/3.2"
  • 1.4µm
  • PDAF -2 MP
  • f/2.4
  • 1/5"
  • 1.75µm
  • depth sensor
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
  • gyro-EIS
Front camera, selfie
  • 20 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 20 MP
  • 16 MP
  • f/2.0
  • 1µm
DxOMark Main Score * Unknown
  • 95
DxOMark Photo * Unknown
  • 99
DxOMark Video * Unknown
  • 86
Performance

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

Performance — specifications for X4 Xtreme, Realme X2 Pro.
SpecificationX4 XtremeRealme X2 Pro
Processor CPU
  • Octa-core (4x2.5 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Mali-T880MP2
  • Adreno 640 (700 MHz)
Antutu 7 score *
  • 58758
  • 472670
Antutu 8 score * Unknown
  • 482480
GeekBench 5 Single Core * Unknown
  • 660
GeekBench 5 Multi-Core * Unknown
  • 2438
General specs
General specs — specifications for X4 Xtreme, Realme X2 Pro.
SpecificationX4 XtremeRealme X2 Pro
Release date
  • 2017
  • June
  • 2019
  • October
Colors
  • Mocha Gold
  • Lunar White
  • Neptune Blue
  • Red Master Edition
  • Gray Master Edition
Battery life
  • Stand by time- Up to 379 h Talking time- Up to 25 h
Unknown
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for X4 Xtreme, Realme X2 Pro.
SpecificationX4 XtremeRealme X2 Pro
SIM card
  • Hybrid Dual SIM (Micro-SIM/Nano SIM)
  • 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 / 1900 / 2100-4G - LTE band 1(2100)
  • 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 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 26(850)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 1.01 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for X4 Xtreme, Realme X2 Pro.
SpecificationX4 XtremeRealme X2 Pro
Radio
  • FM radio
  • FM radio
Others Unknown
  • 1000 nits max brightness -90Hz -HDR10+ -DCI-P3 100%
  • Active noise cancellation with dedicated mic -24-bit/192kHz audio (incl. speakers) -Dolby Atmos
Other features
Other features — specifications for X4 Xtreme, Realme X2 Pro.
SpecificationX4 XtremeRealme X2 Pro
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For Europe
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 50W: 100% in 35 min (SuperVOOC Flash Charge)