Xiaomi Redmi 5a vs Xiaomi Redmi Note 9S

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 5a: 72 g lighter

    Redmi 5a:
    137 g
    Redmi Note 9S:
    209 g
  • Width

    Redmi 5a: 6.6 mm narrower

    Redmi 5a:
    70.1 mm
    Redmi Note 9S:
    76.7 mm
  • Screen diagonal

    Redmi 5a: 1.67 in smaller diagonal

    Redmi 5a:
    5 in
    Redmi Note 9S:
    6.67 in
  • Chipset

    Redmi 5a:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
    Redmi Note 9S:
    Qualcomm SM7125 Snapdragon 720G (8 nm)
  • Rear camera layout

    Redmi 5a:
    Single
    Redmi Note 9S:
    Quad
  • Height

    Redmi 5a: 25.4 mm shorter

    Redmi 5a:
    140.4 mm
    Redmi Note 9S:
    165.8 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. Redmi 5a

    Height:
    140.4 mm
    Width:
    70.1 mm
    Depth:
    8.4 mm
  2. 2. Redmi Note 9S

    Height:
    165.8 mm +25.4 mm versus Redmi 5a
    Width:
    76.7 mm +6.6 mm versus Redmi 5a
    Depth:
    8.8 mm

Weight

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

  1. 1. Redmi 5a

    137 g

  2. 2. Redmi Note 9S

    209 g

    +72 g versus Redmi 5a

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 5a

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

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

Redmi Note 9S has approximately 55.8% more rectangular screen area than Redmi 5a.

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 5a, Redmi Note 9S, compared at the same storage capacity.
StorageRedmi 5aRedmi Note 9S
64 GB Unknown 4 GB RAM
128 GB Unknown 6 GB RAM
Redmi 5a: Original memory entry

32 GB · 3 GB 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. Redmi 5a

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated slot)

2. Redmi Note 9S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Redmi 5a

    3000 mAh

  2. 2. Redmi Note 9S

    5020 mAh

    +2020 mAh versus Redmi 5a

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 5a2. Redmi Note 9S

Everyday essentials
Everyday essentials — specifications for Redmi 5a, Redmi Note 9S.
SpecificationRedmi 5aRedmi Note 9S
Dimensions (HxWxD)
  • 140.4 Х 70.1 Х 8.4 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 137 g
  • 209 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 6.67" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.1.2 (Nougat); MIUI 10
  • Android 10.0; MIUI 11
Chipset
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Redmi 5a, Redmi Note 9S.
SpecificationRedmi 5aRedmi Note 9S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.0 cm2
  • 107.4 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 69.1%
  • 84.5%
PPI /points per inch/
  • 296 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Redmi 5a, Redmi Note 9S.
SpecificationRedmi 5aRedmi Note 9S
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • PDAF
  • f/2.2
  • 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)
Functions
  • LED flash
  • HDR
  • panorama
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 16 MP
  • f/2.5
  • (wide)
  • 1.0µm
Performance

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

Performance — specifications for Redmi 5a, Redmi Note 9S.
SpecificationRedmi 5aRedmi Note 9S
Processor CPU
  • Quad-core 1.4 GHz Cortex-A53
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU
  • Adreno 308
  • Adreno 618
Antutu 7 score *
  • 32456
Unknown
GeekBench 4 Single Core *
  • 660
Unknown
GeekBench 4 Multi-Core *
  • 2014
Unknown
GeekBench 4 RenderScript *
  • 1368
Unknown
GeekBench 5 Single Core *
  • 124
Unknown
GeekBench 5 Multi-Core *
  • 410
Unknown
General specs
General specs — specifications for Redmi 5a, Redmi Note 9S.
SpecificationRedmi 5aRedmi Note 9S
Release date
  • 2017
  • November
  • 2020
  • March 23
Colors
  • Gold
  • Dark Gray
  • Rose Gold
  • Blue
  • Aurora Blue
  • Glacier white
  • Interstellar Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 110 EUR
  • $ 199
Body build
  • Front glass
  • aluminum body
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Redmi 5a, Redmi Note 9S.
SpecificationRedmi 5aRedmi Note 9S
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • 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 band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 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)
Speed
  • HSPA
  • LTE
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Redmi 5a, Redmi Note 9S.
SpecificationRedmi 5aRedmi Note 9S
Radio
  • FM radio
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for Redmi 5a, Redmi Note 9S.
SpecificationRedmi 5aRedmi Note 9S
Dop
  • Sensors Accelerometer
  • proximity
  • Infrared port - For India; China
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof