Apple iPhone X vs Oppo Realme U1

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.

  • Display technology

    OLED versus LCD

    iPhone X:
    OLED
    Realme U1:
    LCD
  • Weight

    Realme U1: 6 g lighter

    iPhone X:
    174 g
    Realme U1:
    168 g
  • Width

    iPhone X: 3.1 mm narrower

    iPhone X:
    70.9 mm
    Realme U1:
    74 mm
  • Screen diagonal

    iPhone X: 0.5 in smaller diagonal

    iPhone X:
    5.8 in
    Realme U1:
    6.3 in
  • Chipset

    iPhone X:
    Apple A11 Bionic (10 nm)
    Realme U1:
    Mediatek Helio P70 (12nm)
  • Height

    iPhone X: 13.4 mm shorter

    iPhone X:
    143.6 mm
    Realme U1:
    157 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. iPhone X

    Height:
    143.6 mm
    Width:
    70.9 mm
    Depth:
    7.7 mm
  2. 2. Realme U1

    Height:
    157 mm +13.4 mm versus iPhone X
    Width:
    74 mm +3.1 mm versus iPhone X
    Depth:
    8 mm

Weight

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

  1. 1. iPhone X

    174 g

    +6 g versus Realme U1

  2. 2. Realme U1

    168 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. iPhone X

    Screen diagonal:
    5.8 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    82.6 cm²
  2. 2. Realme U1

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

Realme U1 has approximately 18% more rectangular screen area than iPhone X.

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 iPhone X, Realme U1, compared at the same storage capacity.
StorageiPhone XRealme U1
64 GB 3 GB RAM Unknown
256 GB 3 GB RAM Unknown
Realme U1: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. iPhone X

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

2. Realme U1

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

    2716 mAh

  2. 2. Realme U1

    3500 mAh

    +784 mAh versus iPhone X

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. iPhone X2. Realme U1

Everyday essentials
Everyday essentials — specifications for iPhone X, Realme U1.
SpecificationiPhone XRealme U1
Dimensions (HxWxD)
  • 143.6 Х 70.9 Х 7.7 mm
  • 157 Х 74 Х 8 mm
Weight
  • 174 g
  • 168 g
Technology
  • Super AMOLED
  • LTPS IPS LCD
Screen size
  • 5.8" inch
  • 6.3" inch
Screen resolution
  • 1125 x 2436 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/256 GB
  • 3 GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2716 mAh
  • Non-removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • iOS 11.1.1
  • upgradable to iOS 12.1.3
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset
  • Apple A11 Bionic (10 nm)
  • Mediatek Helio P70 (12nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for iPhone X, Realme U1.
SpecificationiPhone XRealme U1
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 84.4 cm2
  • 97.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 82.9%
  • 83.9%
PPI /points per inch/
  • 458 PPI
  • 409 PPI
Screen protection
  • Scratch-resistant glass
  • oleophobic coating
  • Corning Gorilla Glass 3
Camera and Video

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

Camera and Video — specifications for iPhone X, Realme U1.
SpecificationiPhone XRealme U1
Rear camera, main
  • 12 MP
  • Dual
  • 13 MP
  • Dual
Camera specs
  • 12 MP
  • f/1.8
  • 28mm (wide)
  • 1/3''
  • 1.22µm
  • OIS
  • PDAF -12 MP
  • f/2.4
  • 52mm (telephoto)
  • 1/3.4''
  • 1.0µm
  • PDAF
  • 2x optical zoom
  • 13 MP
  • f/2.2
  • AF -2 MP
  • f/2.4
  • depth sensor
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 7 MP
  • Single
  • 25 MP
  • Single
Specifications
  • 7 MP
  • f/2.2
  • 32mm (standard)
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
DxOMark Main Score *
  • 97
Unknown
DxOMark Photo *
  • 74
Unknown
DxOMark Video *
  • 66
Unknown
DxOMark Selfie Score *
  • 71
Unknown
Performance

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

Performance — specifications for iPhone X, Realme U1.
SpecificationiPhone XRealme U1
Processor CPU
  • Hexa-core 2.39 GHz (2x Monsoon + 4x Mistral)
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Apple GPU (three-core graphics)
  • Mali-G72 MP3
Antutu 7 score *
  • 245200
Unknown
GeekBench 4 Single Core *
  • 3226
Unknown
GeekBench 4 Multi-Core *
  • 11951
Unknown
Antutu 8 score *
  • 316142
Unknown
General specs
General specs — specifications for iPhone X, Realme U1.
SpecificationiPhone XRealme U1
Release date
  • 2017
  • September
  • 2018
  • November
Colors
  • Space Gray
  • Silver
  • Ambitious Black
  • Brave Blue
  • Fiery Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 1000 EUR
  • 140 EUR
Battery life
  • Talking time- Up to 21 h (3G) Music play - Up to 60 h
Unknown
Body build
  • Front/back glass
  • stainless steel frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for iPhone X, Realme U1.
SpecificationiPhone XRealme U1
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 29(700)
  • 30(2300)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100)
  • 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 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 Mbps
  • EV-DO Rev.A 3.1 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • proprietary reversible connector
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.09 W/kg (head) 1.17 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for iPhone X, Realme U1.
SpecificationiPhone XRealme U1
Radio
  • No
  • FM radio
Others
  • Dolby Vision -HDR10 -Wide color gamut -3D Touch -True-tone -120 Hz touch-sensing
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for iPhone X, Realme U1.
SpecificationiPhone XRealme U1
Dop
  • Sensors Face ID
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging: 50% in 30 min -Qi wireless charging -Siri natural language commands and dictation - IP67 dust/water resistant (up to 1m for 30 mins) -Apple Pay (Visa
  • MasterCard
  • AMEX certified) - Also known as Apple iPhone 10
  • Apple iPhone Ten Versions: A1865 (USA
  • Hong Kong
  • Australia
  • New Zealand
  • China) A1901 (EMEA
  • UAE
  • LATAM
  • Canada
  • USA AT&T/T-Mobile
  • Singapore)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 5V/2A 10W