Xiaomi Redmi Note 9S vs Xolo A550S IPS

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.

  • Width

    A550S IPS: 12.8 mm narrower

    Redmi Note 9S:
    76.7 mm
    A550S IPS:
    63.9 mm
  • Screen diagonal

    A550S IPS: 2.67 in smaller diagonal

    Redmi Note 9S:
    6.67 in
    A550S IPS:
    4 in
  • Chipset

    Redmi Note 9S:
    Qualcomm SM7125 Snapdragon 720G (8 nm)
    A550S IPS:
    Mediatek MT6572M (28 nm)
  • Rear camera layout

    Redmi Note 9S:
    Quad
    A550S IPS:
    Single
  • Height

    A550S IPS: 40.8 mm shorter

    Redmi Note 9S:
    165.8 mm
    A550S IPS:
    125 mm
  • Release year

    Redmi Note 9S:
    2020
    A550S IPS:
    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. Redmi Note 9S

    Height:
    165.8 mm +40.8 mm versus A550S IPS
    Width:
    76.7 mm +12.8 mm versus A550S IPS
    Depth:
    8.8 mm
    Weight:
    209 g
  2. 2. A550S IPS

    Height:
    125 mm
    Width:
    63.9 mm
    Depth:
    9.1 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. Redmi Note 9S

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²
  2. 2. A550S IPS

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Redmi Note 9S has approximately 135.9% more rectangular screen area than A550S IPS.

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 Redmi Note 9S, A550S IPS, compared at the same storage capacity.
StorageRedmi Note 9SA550S IPS
64 GB 4 GB RAM Unknown
128 GB 6 GB RAM Unknown
A550S IPS: Original memory entry

4 GB · 512 MB 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. Redmi Note 9S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. A550S IPS

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

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. Redmi Note 9S

    5020 mAh

    +3620 mAh versus A550S IPS

  2. 2. A550S IPS

    1400 mAh

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. Redmi Note 9S2. A550S IPS

Everyday essentials
Everyday essentials — specifications for Redmi Note 9S, A550S IPS.
SpecificationRedmi Note 9SA550S IPS
Dimensions (HxWxD)
  • 165.8 Х 76.7 Х 8.8 mm
  • 125 Х 63.9 Х 9.1 mm
Weight
  • 209 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.67" inch
  • 4" inch
Screen resolution
  • 1080 x 2400 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 4GB RAM
  • 128GB 6GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 5020 mAh
  • Non-removable Li-Po
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10.0; MIUI 11
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Redmi Note 9S, A550S IPS.
SpecificationRedmi Note 9SA550S IPS
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 107.4 cm2
  • 45.5 cm2
Screen format
  • 20:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 84.5%
  • 57.0%
PPI /points per inch/
  • 395 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Redmi Note 9S, A550S IPS.
SpecificationRedmi Note 9SA550S IPS
Rear camera, main
  • 48 MP
  • Quad
  • 5 MP
  • Single
Camera specs
  • 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 -5 MP
  • f/2.4
  • (macro)
  • 1.12µm -2 MP
  • (depth)
  • 5 MP
Functions
  • HDR
  • panorama
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
Unknown
Front camera, selfie
  • 16 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 16 MP
  • f/2.5
  • (wide)
  • 1.0µm
  • VGA
Performance
Performance — specifications for Redmi Note 9S, A550S IPS.
SpecificationRedmi Note 9SA550S IPS
Processor CPU
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU
  • Adreno 618
  • Mali-400
General specs
General specs — specifications for Redmi Note 9S, A550S IPS.
SpecificationRedmi Note 9SA550S IPS
Release date
  • 2020
  • March 23
  • 2014
  • July
Colors
  • Aurora Blue
  • Glacier white
  • Interstellar Gray
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • $ 199
Unknown
Battery life Unknown
  • Stand by time- Up to 600 h (2G) / Up to 570 h (3G) Talking time- Up to 21 h (2G) / Up to 8 h 30 min (3G)
Body build
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Redmi Note 9S, A550S IPS.
SpecificationRedmi Note 9SA550S IPS
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 3.0
Music and Audio
Music and Audio — specifications for Redmi Note 9S, A550S IPS.
SpecificationRedmi Note 9SA550S IPS
Radio
  • FM radio
  • recording
  • FM radio
Others
  • 450 nits typ. brightness (advertised)
Unknown
Other features
Other features — specifications for Redmi Note 9S, A550S IPS.
SpecificationRedmi Note 9SA550S IPS
Dop
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof
  • Sensors Accelerometer
  • proximity - For India