Allview X4 Xtreme vs Oppo Realme 6i

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Realme 6i: 27.9 g lighter

    X4 Xtreme:
    226.9 g
    Realme 6i:
    199 g
  • Width

    Realme 6i: 7.9 mm narrower

    X4 Xtreme:
    83.3 mm
    Realme 6i:
    75.4 mm
  • Screen diagonal

    X4 Xtreme: 0.5 in smaller diagonal

    X4 Xtreme:
    6 in
    Realme 6i:
    6.5 in
  • Chipset

    X4 Xtreme:
    Mediatek MT6757T Helio P25 (16 nm)
    Realme 6i:
    Mediatek Helio G80 (12 nm)
  • Height

    Realme 6i: 2 mm shorter

    X4 Xtreme:
    166.4 mm
    Realme 6i:
    164.4 mm
  • Release year

    X4 Xtreme:
    2017
    Realme 6i:
    2020

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 +2 mm versus Realme 6i
    Width:
    83.3 mm +7.9 mm versus Realme 6i
    Depth:
    9.1 mm
  2. 2. Realme 6i

    Height:
    164.4 mm
    Width:
    75.4 mm
    Depth:
    9 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 6i

  2. 2. Realme 6i

    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 6i

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

Realme 6i 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 6i, compared at the same storage capacity.
StorageX4 XtremeRealme 6i
64 GB Unknown 3 GB RAM
128 GB Unknown 4 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 6i

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. X4 Xtreme

    4550 mAh

  2. 2. Realme 6i

    5000 mAh

    +450 mAh versus X4 Xtreme

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 6i

Everyday essentials
Everyday essentials — specifications for X4 Xtreme, Realme 6i.
SpecificationX4 XtremeRealme 6i
Dimensions (HxWxD)
  • 166.4 Х 83.3 Х 9.1 mm
  • 164.4 Х 75.4 Х 9 mm
Weight
  • 226.9 g
  • 199 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6" inch
  • 6.5" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1600 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 3GB RAM
  • 128GB 4GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4550 mAh
  • Non-removable Li-Po
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 10.0; Realme UI
Chipset
  • Mediatek MT6757T Helio P25 (16 nm)
  • Mediatek Helio G80 (12 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X4 Xtreme, Realme 6i.
SpecificationX4 XtremeRealme 6i
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.2 cm2
  • 102.0 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 146.1 Х 71.6 Х 9.9 mm
  • 82.3%
PPI /points per inch/
  • 367 PPI
  • 270 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for X4 Xtreme, Realme 6i.
SpecificationX4 XtremeRealme 6i
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • PDAF -5 MP
  • (ultrawide/depth sensor)
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2.25''
  • 0.8µm
  • PDAF -8 MP
  • f/2.3
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 20 MP
  • 16 MP
  • f/2.0
  • (wide)
Performance

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

Performance — specifications for X4 Xtreme, Realme 6i.
SpecificationX4 XtremeRealme 6i
Processor CPU
  • Octa-core (4x2.5 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)
  • Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Graphics processor GPU
  • Mali-T880MP2
  • Mali-G52 MC2
Antutu 7 score *
  • 58758
Unknown
General specs
General specs — specifications for X4 Xtreme, Realme 6i.
SpecificationX4 XtremeRealme 6i
Release date
  • 2017
  • June
  • 2020
  • March 17
Colors
  • Mocha Gold
  • Cream White
  • Green Tea
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 160 EUR
Battery life
  • Stand by time- Up to 379 h Talking time- Up to 25 h
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for X4 Xtreme, Realme 6i.
SpecificationX4 XtremeRealme 6i
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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 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 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
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 6i.
SpecificationX4 XtremeRealme 6i
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for X4 Xtreme, Realme 6i.
SpecificationX4 XtremeRealme 6i
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For Europe
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 18W - Splash resistant