HTC J vs Oppo Realme U1

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

    J:
    OLED
    Realme U1:
    LCD
  • Weight

    J: 31 g lighter

    J:
    137 g
    Realme U1:
    168 g
  • Width

    J: 8 mm narrower

    J:
    66 mm
    Realme U1:
    74 mm
  • Screen diagonal

    J: 2 in smaller diagonal

    J:
    4.3 in
    Realme U1:
    6.3 in
  • Rear camera layout

    J:
    Single
    Realme U1:
    Dual
  • Depth

    Realme U1: 1.5 mm thinner

    J:
    9.5 mm
    Realme U1:
    8 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. J

    Height:
    131.5 mm
    Width:
    66 mm
    Depth:
    9.5 mm +1.5 mm versus Realme U1
  2. 2. Realme U1

    Height:
    157 mm +25.5 mm versus J
    Width:
    74 mm +8 mm versus J
    Depth:
    8 mm

Weight

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

  1. 1. J

    137 g

  2. 2. Realme U1

    168 g

    +31 g versus J

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. J

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 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 91.1% more rectangular screen area than J.

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 J, Realme U1, compared at the same storage capacity.
StorageJRealme U1
16 GB 1 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. J

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

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. J

    1810 mAh

  2. 2. Realme U1

    3500 mAh

    +1690 mAh versus J

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. J2. Realme U1

Everyday essentials
Everyday essentials — specifications for J, Realme U1.
SpecificationJRealme U1
Dimensions (HxWxD)
  • 131.5 Х 66 Х 9.5 mm
  • 157 Х 74 Х 8 mm
Weight
  • 137 g
  • 168 g
Technology
  • AMOLED
  • LTPS IPS LCD
Screen size
  • 4.3" inch
  • 6.3" inch
Screen resolution
  • 540 x 960 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1810 mAh
  • Removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.0.4 (Ice Cream Sandwich); Sense UI 4
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset Unknown
  • Mediatek Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J, Realme U1.
SpecificationJRealme U1
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 51.0 cm2
  • 97.4 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 58.7%
  • 83.9%
PPI /points per inch/
  • 256 PPI
  • 409 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for J, Realme U1.
SpecificationJRealme U1
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • f/2.2
  • AF -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 25 MP
  • Single
Specifications
  • 1.3 MP
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
Performance
Performance — specifications for J, Realme U1.
SpecificationJRealme U1
Processor CPU
  • Dual-core 1.5 GHz
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G72 MP3
General specs
General specs — specifications for J, Realme U1.
SpecificationJRealme U1
Release date
  • 2012
  • April
  • 2018
  • November
Colors
  • Black
  • White
  • Red
  • Ambitious Black
  • Brave Blue
  • Fiery Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 140 EUR
Communication and Connectivity
Communication and Connectivity — specifications for J, Realme U1.
SpecificationJRealme U1
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800
  • 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
  • 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
  • dual-band
  • DLNA
  • hotspot; WiMAX 802.16 e
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for J, Realme U1.
SpecificationJRealme U1
Radio
  • No
  • FM radio
Others
  • Beats Audio -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for J, Realme U1.
SpecificationJRealme U1
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Organizer -Document viewer -Photo viewer/editor -Voice memo/dial/commands -Predictive text input
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 5V/2A 10W