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Lava A51 vs Xiaomi Redmi Note

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.

  • Width

    A51: 12.7 mm narrower

    A51:
    66 mm
    Redmi Note:
    78.7 mm
  • Screen diagonal

    A51: 1 in smaller diagonal

    A51:
    4.5 in
    Redmi Note:
    5.5 in
  • Chipset

    A51:
    Spreadtrum SC7731C
    Redmi Note:
    Mediatek MT6592 (28 nm)
  • Height

    A51: 18 mm shorter

    A51:
    136 mm
    Redmi Note:
    154 mm
  • Release year

    A51:
    2016
    Redmi Note:
    2014

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. A51

    Height:
    136 mm
    Width:
    66 mm
    Depth:
    9.9 mm
    Weight:
    Unknown
  2. 2. Redmi Note

    Height:
    154 mm +18 mm versus A51
    Width:
    78.7 mm +12.7 mm versus A51
    Depth:
    9.5 mm
    Weight:
    199 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. A51

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Redmi Note

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

Redmi Note has approximately 49.4% more rectangular screen area than A51.

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.

A51: Original memory entry

8 GB · 512 MB RAM

Redmi Note: Original memory entry

8 GB · 1/2 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. A51

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Redmi Note

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. A51

    1750 mAh

  2. 2. Redmi Note

    3100 mAh

    +1350 mAh versus A51

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. A512. Redmi Note

Everyday essentials
Everyday essentials — specifications for A51, Redmi Note.
SpecificationA51Redmi Note
Dimensions (HxWxD)
  • 136 Х 66 Х 9.9 mm
  • 154 Х 78.7 Х 9.5 mm
Weight
  • 0 g
  • 199 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 5.5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 8 GB
  • 1/2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1750 mAh
  • Removable Li-Ion
  • 3100 mAh
  • Removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.2 (Jelly Bean)
  • upgradable to 4.4.4 (KitKat); MIUI 9.2
Chipset
  • Spreadtrum SC7731C
  • Mediatek MT6592 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A51, Redmi Note.
SpecificationA51Redmi Note
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 62.2%
  • 68.8%
PPI /points per inch/
  • 218 PPI
  • 267 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A51, Redmi Note.
SpecificationA51Redmi Note
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • f/2.2
  • 28mm (wide)
  • AF
Functions
  • LED flash
  • panorama
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
Performance

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

Performance — specifications for A51, Redmi Note.
SpecificationA51Redmi Note
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core 1.4/1.7 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-450MP4
Antutu 7 score * Unknown
  • 65210
General specs
General specs — specifications for A51, Redmi Note.
SpecificationA51Redmi Note
Release date
  • 2016
  • October
  • 2014
  • March
Colors
  • Gray
  • Black
  • Gold
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life
  • Stand by time- Up to 420 h (3G) Talking time- Up to 10 h 30 min (3G)
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for A51, Redmi Note.
SpecificationA51Redmi Note
SIM card
  • Dual SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.1
  • EDR
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A51, Redmi Note.
SpecificationA51Redmi Note
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A51, Redmi Note.
SpecificationA51Redmi Note
Dop
  • Sensors Accelerometer For India
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass