HTC J vs Oppo A71 (2018)

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
    A71 (2018):
    LCD
  • Width

    J: 7.8 mm narrower

    J:
    66 mm
    A71 (2018):
    73.8 mm
  • Screen diagonal

    J: 0.9 in smaller diagonal

    J:
    4.3 in
    A71 (2018):
    5.2 in
  • Depth

    A71 (2018): 1.9 mm thinner

    J:
    9.5 mm
    A71 (2018):
    7.6 mm
  • Height

    J: 16.6 mm shorter

    J:
    131.5 mm
    A71 (2018):
    148.1 mm
  • Release year

    J:
    2012
    A71 (2018):
    2018

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 +1.9 mm versus A71 (2018)
  2. 2. A71 (2018)

    Height:
    148.1 mm +16.6 mm versus J
    Width:
    73.8 mm +7.8 mm versus J
    Depth:
    7.6 mm

Weight

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

  1. 1. J

    137 g

  2. 2. A71 (2018)

    137 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. J

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 cm²
  2. 2. A71 (2018)

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²

A71 (2018) has approximately 46.2% 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, A71 (2018), compared at the same storage capacity.
StorageJA71 (2018)
16 GB 1 GB RAM Unknown
A71 (2018): Original memory entry

16 GB · 2 GB RAM 3 GB RAM (India)

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. A71 (2018)

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. A71 (2018)

    3000 mAh

    +1190 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. A71 (2018)

Everyday essentials
Everyday essentials — specifications for J, A71 (2018).
SpecificationJA71 (2018)
Dimensions (HxWxD)
  • 131.5 Х 66 Х 9.5 mm
  • 148.1 Х 73.8 Х 7.6 mm
Weight
  • 137 g
  • 137 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 4.3" inch
  • 5.2" inch
Screen resolution
  • 540 x 960 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 16 GB
  • 2 GB RAM 3 GB RAM (India)
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
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.0.4 (Ice Cream Sandwich); Sense UI 4
  • Android 7.1 (Nougat); ; ColorOS 3.2
Chipset Unknown
  • Qualcomm SDM450 Snapdragon 450 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J, A71 (2018).
SpecificationJA71 (2018)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 51.0 cm2
  • 74.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 58.7%
  • 68.2%
PPI /points per inch/
  • 256 PPI
  • 282 PPI
Camera and Video
Camera and Video — specifications for J, A71 (2018).
SpecificationJA71 (2018)
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • f/2.2
  • 1/3''
  • 1.12µm
  • PDAF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.3 MP
  • 5 MP
  • f/2.4
  • 1/4''
  • 1.4µm
Performance

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

Performance — specifications for J, A71 (2018).
SpecificationJA71 (2018)
Processor CPU
  • Dual-core 1.5 GHz
  • Octa-core 1.8 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 506
Antutu 7 score * Unknown
  • 62789
General specs
General specs — specifications for J, A71 (2018).
SpecificationJA71 (2018)
Release date
  • 2012
  • April
  • 2018
  • February
Colors
  • Black
  • White
  • Red
  • Gold
  • Black
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 130 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for J, A71 (2018).
SpecificationJA71 (2018)
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 - UMTS 900 / 2100 / 850 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 41(2500) - India
Speed
  • HSPA
  • HSPA
  • LTE
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for J, A71 (2018).
SpecificationJA71 (2018)
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, A71 (2018).
SpecificationJA71 (2018)
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 Accelerometer
  • proximity
  • compass