HTC J vs LG Q51

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

    J:
    OLED
    Q51:
    LCD
  • Width

    J: 11.5 mm narrower

    J:
    66 mm
    Q51:
    77.5 mm
  • Screen diagonal

    J: 2.2 in smaller diagonal

    J:
    4.3 in
    Q51:
    6.5 in
  • Rear camera layout

    J:
    Single
    Q51:
    Triple
  • Depth

    Q51: 1.1 mm thinner

    J:
    9.5 mm
    Q51:
    8.4 mm
  • Height

    J: 33 mm shorter

    J:
    131.5 mm
    Q51:
    164.5 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 +1.1 mm versus Q51
    Weight:
    137 g
  2. 2. Q51

    Height:
    164.5 mm +33 mm versus J
    Width:
    77.5 mm +11.5 mm versus J
    Depth:
    8.4 mm
    Weight:
    Unknown

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. Q51

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    105.5 cm²

Q51 has approximately 106.9% 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, Q51, compared at the same storage capacity.
StorageJQ51
16 GB 1 GB RAM Not recorded
32 GB Not recorded 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. Q51

NFC:
Yes
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. J

    1810 mAh

  2. 2. Q51

    4000 mAh

    +2190 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. Q51

Everyday essentials
Everyday essentials — specifications for J, Q51.
SpecificationJQ51
Dimensions (HxWxD)
  • 131.5 Х 66 Х 9.5 mm
  • 164.5 Х 77.5 Х 8.4 mm
Weight
  • 137 g
  • 0 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 4.3" inch
  • 6.5" inch
Screen resolution
  • 540 x 960 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1810 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.0.4 (Ice Cream Sandwich); Sense UI 4
  • Android 10.0
Chipset Unknown
  • Mediatek MT6762 Helio P22 (12 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J, Q51.
SpecificationJQ51
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 51.0 cm2
  • 105.5 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 58.7%
  • 82.7%
PPI /points per inch/
  • 256 PPI
  • 259 PPI
Camera and Video
Camera and Video — specifications for J, Q51.
SpecificationJQ51
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Triple
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • (wide)
  • PDAF -5 MP
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 1.3 MP
  • 13 MP
  • (wide)
Performance
Performance — specifications for J, Q51.
SpecificationJQ51
Processor CPU
  • Dual-core 1.5 GHz
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • PowerVR GE8320
General specs
General specs — specifications for J, Q51.
SpecificationJQ51
Release date
  • 2012
  • April
  • 2020
  • February 25
Colors
  • Black
  • White
  • Red
  • Frozen White
  • Moonlight Titanium
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 240 EUR
Communication and Connectivity
Communication and Connectivity — specifications for J, Q51.
SpecificationJQ51
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 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/75 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 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for J, Q51.
SpecificationJQ51
Radio
  • No
  • No
Others
  • Beats Audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for J, Q51.
SpecificationJQ51
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 - MIL-STD-810G compliant