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LG Quantum vs Oppo A91

Compare recorded specifications, size and practical differences.

LG Quantum

LG Quantum

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Oppo A91

Oppo A91

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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.

  • WidthQuantum: 13.8 mm narrowerQuantum: 59.5 mm · A91: 73.3 mm
  • Screen diagonalQuantum: 2.9 in smaller diagonalQuantum: 3.5 in · A91: 6.4 in
  • ChipsetQualcomm QSD8650 Snapdragon S1 / Mediatek MT6771V Helio P70 (12nm)Quantum: Qualcomm QSD8650 Snapdragon S1 · A91: Mediatek MT6771V Helio P70 (12nm)
  • Rear camera layoutSingle / QuadQuantum: Single · A91: Quad
  • DepthA91: 7.3 mm thinnerA91: 7.9 mm · Quantum: 15.2 mm
  • HeightQuantum: 40.7 mm shorterQuantum: 119.5 mm · A91: 160.2 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.

Front
Quantum: 119.5 × 59.5 mm 1 A91: 160.2 × 73.3 mm 2
Side
Quantum: 119.5 × 15.2 mm 1 A91: 160.2 × 7.9 mm 2
  1. 1. Quantum
    Height
    119.5 mm
    Width
    59.5 mm
    Depth
    15.2 mm
    Weight
    176 g
  2. 2. A91
    Height
    160.2 mm
    Width
    73.3 mm
    Depth
    7.9 mm
    Weight
    172 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials
Everyday essentials
SpecificationQuantumA91
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 160.2 Х 73.3 Х 7.9 mm
Weight
  • 176 g
  • 172 g
Technology
  • TFT
  • AMOLED
Screen size
  • 3.5" inch
  • 6.4" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2400 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
  • 128GB 8GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4025 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Mediatek MT6771V Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationQuantumA91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 100.4 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 49.0%
  • 85.5%
PPI /points per inch/
  • 267 PPI
  • 408 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video
SpecificationQuantumA91
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 5 MP
  • AF
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -2 MP B/W
  • f/2.4
  • 1/5.0"
  • 1.75µm -2 MP
  • 1.75µm
  • 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
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
Performance
Performance
SpecificationQuantumA91
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 200
  • Mali-G72 MP3
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 135756
General specs
General specs
SpecificationQuantumA91
Release date
  • 2010
  • October
  • 2019
  • December
Colors
  • Black
  • Dark Blue
  • Red
  • Blue
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity
SpecificationQuantumA91
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 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
  • LTE-A
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/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • 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
SpecificationQuantumA91
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features
SpecificationQuantumA91
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 (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0

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