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LG Quantum vs Oppo A7x

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

    A7x: 7 g lighter

    Quantum:
    176 g
    A7x:
    169 g
  • Width

    Quantum: 14.5 mm narrower

    Quantum:
    59.5 mm
    A7x:
    74 mm
  • Screen diagonal

    Quantum: 2.8 in smaller diagonal

    Quantum:
    3.5 in
    A7x:
    6.3 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    A7x:
    Mediatek MT6771 Helio P60 (12 nm)
  • Rear camera layout

    Quantum:
    Single
    A7x:
    Dual
  • Depth

    A7x: 7.2 mm thinner

    Quantum:
    15.2 mm
    A7x:
    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. Quantum

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm +7.2 mm versus A7x
  2. 2. A7x

    Height:
    156.7 mm +37.2 mm versus Quantum
    Width:
    74 mm +14.5 mm versus Quantum
    Depth:
    8 mm

Weight

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

  1. 1. Quantum

    176 g

    +7 g versus A7x

  2. 2. A7x

    169 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. Quantum

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. A7x

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

A7x has approximately 179.4% more rectangular screen area than Quantum.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Quantum: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

A7x: Original memory entry

128 GB · 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. Quantum

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

2. A7x

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. Quantum

    1500 mAh

  2. 2. A7x

    3500 mAh

    +2000 mAh versus Quantum

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. Quantum2. A7x

Everyday essentials
Everyday essentials — specifications for Quantum, A7x.
SpecificationQuantumA7x
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 156.7 Х 74 Х 8 mm
Weight
  • 176 g
  • 169 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 3.5" inch
  • 6.3" inch
Screen resolution
  • 480 x 800 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
  • 512 MB RAM
  • 512 MB ROM
  • 128 GB
  • 512GB 4GB
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Mediatek MT6771 Helio P60 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, A7x.
SpecificationQuantumA7x
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 97.4 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 49.0%
  • 84.0%
PPI /points per inch/
  • 267 PPI
  • 409 PPI
Screen protection Unknown
  • To be confirmed
Camera and Video
Camera and Video — specifications for Quantum, A7x.
SpecificationQuantumA7x
Rear camera, main
  • 5 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 16 MP
  • f/1.8
  • 1/3.1
  • 1.0µm
  • PDAF -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
  • f/2.0
Performance

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

Performance — specifications for Quantum, A7x.
SpecificationQuantumA7x
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 200
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 140725
General specs
General specs — specifications for Quantum, A7x.
SpecificationQuantumA7x
Release date
  • 2010
  • October
  • 2018
  • September
Colors
  • Black
  • Starry Purple
  • Ice Flame Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 270 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Quantum, A7x.
SpecificationQuantumA7x
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 2100 -4G - LTE
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/100 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.1
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Quantum, A7x.
SpecificationQuantumA7x
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Quantum, A7x.
SpecificationQuantumA7x
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo/dial/command -Predictive text input - For AT&T
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W - For China