LG Quantum vs Xiaomi Redmi 7A

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.

  • Weight

    Redmi 7A: 11 g lighter

    Quantum:
    176 g
    Redmi 7A:
    165 g
  • Width

    Quantum: 10.9 mm narrower

    Quantum:
    59.5 mm
    Redmi 7A:
    70.4 mm
  • Screen diagonal

    Quantum: 1.95 in smaller diagonal

    Quantum:
    3.5 in
    Redmi 7A:
    5.45 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    Redmi 7A:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Depth

    Redmi 7A: 5.6 mm thinner

    Quantum:
    15.2 mm
    Redmi 7A:
    9.6 mm
  • Height

    Quantum: 26.8 mm shorter

    Quantum:
    119.5 mm
    Redmi 7A:
    146.3 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 +5.6 mm versus Redmi 7A
  2. 2. Redmi 7A

    Height:
    146.3 mm +26.8 mm versus Quantum
    Width:
    70.4 mm +10.9 mm versus Quantum
    Depth:
    9.6 mm

Weight

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

  1. 1. Quantum

    176 g

    +11 g versus Redmi 7A

  2. 2. Redmi 7A

    165 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. Redmi 7A

    Screen diagonal:
    5.45 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    76.7 cm²

Redmi 7A has approximately 119.8% 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

Redmi 7A: Original memory entry

32 GB · 2/3 RAM 16 GB · 2 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. Quantum

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

2. Redmi 7A

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. Redmi 7A

    4000 mAh

    +2500 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. Redmi 7A

Everyday essentials
Everyday essentials — specifications for Quantum, Redmi 7A.
SpecificationQuantumRedmi 7A
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 146.3 Х 70.4 Х 9.6 mm
Weight
  • 176 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.45" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1440 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
  • 32 GB
  • 2/3 RAM 16 GB
  • 2 GB RAM
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
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7
  • Android 9.0 (Pie); MIUI 10.2.7
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, Redmi 7A.
SpecificationQuantumRedmi 7A
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 76.7 cm2
Screen format
  • 5:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 49.0%
  • 74.4%
PPI /points per inch/
  • 267 PPI
  • 295 PPI
Camera and Video
Camera and Video — specifications for Quantum, Redmi 7A.
SpecificationQuantumRedmi 7A
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • f/2.2
  • 1.12µm
  • PDAF - China -12 MP
  • 1/2.9''
  • 1.25µm
  • PDAF - India
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 13 MP
  • f/2.2
  • 1.12µm
  • PDAF - China
Performance

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

Performance — specifications for Quantum, Redmi 7A.
SpecificationQuantumRedmi 7A
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53)
Graphics processor GPU
  • Adreno 200
  • Adreno 505
Antutu 8 score * Unknown
  • 90664
General specs
General specs — specifications for Quantum, Redmi 7A.
SpecificationQuantumRedmi 7A
Release date
  • 2010
  • October
  • 2019
  • May
Colors
  • Black
  • Matte Black
  • Morning blue
  • Matte Blue
  • Matte Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 100 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, Redmi 7A.
SpecificationQuantumRedmi 7A
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 / 900 / 1900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA
  • HSPA
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
  • SAR - 0.74 W/kg (head) 0.79 W/kg (body)
Music and Audio
Music and Audio — specifications for Quantum, Redmi 7A.
SpecificationQuantumRedmi 7A
Radio
  • Stereo FM radio
  • FM radio
  • built-in antenna
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Quantum, Redmi 7A.
SpecificationQuantumRedmi 7A
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 Accelerometer
  • proximity
  • compass - Fast battery charging 10W - China only - Splash resistant - For India and China