alcatel Idol 2 S 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

    Idol 2 S: 83 g lighter

    Idol 2 S:
    126 g
    Redmi Note 9S:
    209 g
  • Width

    Idol 2 S: 7 mm narrower

    Idol 2 S:
    69.7 mm
    Redmi Note 9S:
    76.7 mm
  • Screen diagonal

    Idol 2 S: 1.67 in smaller diagonal

    Idol 2 S:
    5 in
    Redmi Note 9S:
    6.67 in
  • Rear camera layout

    Idol 2 S:
    Single
    Redmi Note 9S:
    Quad
  • Depth

    Idol 2 S: 1.3 mm thinner

    Idol 2 S:
    7.5 mm
    Redmi Note 9S:
    8.8 mm
  • Height

    Idol 2 S: 29.3 mm shorter

    Idol 2 S:
    136.5 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. Idol 2 S

    Height:
    136.5 mm
    Width:
    69.7 mm
    Depth:
    7.5 mm
  2. 2. Redmi Note 9S

    Height:
    165.8 mm +29.3 mm versus Idol 2 S
    Width:
    76.7 mm +7 mm versus Idol 2 S
    Depth:
    8.8 mm +1.3 mm versus Idol 2 S

Weight

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

  1. 1. Idol 2 S

    126 g

  2. 2. Redmi Note 9S

    209 g

    +83 g versus Idol 2 S

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. Idol 2 S

    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 Idol 2 S.

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 Idol 2 S, Redmi Note 9S, compared at the same storage capacity.
StorageIdol 2 SRedmi Note 9S
8 GB 1 GB RAM Not recorded
64 GB Not recorded 4 GB RAM
128 GB Not recorded 6 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. Idol 2 S

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Idol 2 S

    2150 mAh

  2. 2. Redmi Note 9S

    5020 mAh

    +2870 mAh versus Idol 2 S

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. Idol 2 S2. Redmi Note 9S

Everyday essentials
Everyday essentials — specifications for Idol 2 S, Redmi Note 9S.
SpecificationIdol 2 SRedmi Note 9S
Dimensions (HxWxD)
  • 136.5 Х 69.7 Х 7.5 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 126 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.
  • 8 GB
  • 1 GB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2150 mAh
  • Non-removable Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.3 (Jelly Bean)
  • upgradable to 4.4 (KitKat)
  • Android 10.0; MIUI 11
Chipset Unknown
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Idol 2 S, Redmi Note 9S.
SpecificationIdol 2 SRedmi Note 9S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 107.4 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 72.4%
  • 84.5%
PPI /points per inch/
  • 294 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Idol 2 S, Redmi Note 9S.
SpecificationIdol 2 SRedmi Note 9S
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 8 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 -5 MP
  • f/2.4
  • (macro)
  • 1.12µm -2 MP
  • (depth)
Functions
  • LED flash
  • panorama
  • HDR
  • HDR
  • panorama
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 1.3 MP
  • 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 Idol 2 S, Redmi Note 9S.
SpecificationIdol 2 SRedmi Note 9S
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU Unknown
  • Adreno 618
Antutu 7 score *
  • 20450
Unknown
General specs
General specs — specifications for Idol 2 S, Redmi Note 9S.
SpecificationIdol 2 SRedmi Note 9S
Release date
  • 2014
  • February
  • 2020
  • March 23
Colors
  • Slate
  • Chocolate
  • White
  • Aurora Blue
  • Glacier white
  • Interstellar Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • $ 199
Battery life
  • Stand by time- Up to 520 h (2G) / Up to 520 h (3G) Talking time- Up to 10 h 30 min (2G) / Up to 16 h 30 min (3G)
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Idol 2 S, Redmi Note 9S.
SpecificationIdol 2 SRedmi Note 9S
SIM card
  • Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - 6050Y LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 17(700) - 6050A LTE band 1(2100)
  • 5(850)
  • 19(800)
  • 20(800) - 6050F
  • 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 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • 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
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Idol 2 S, Redmi Note 9S.
SpecificationIdol 2 SRedmi Note 9S
Radio
  • No
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for Idol 2 S, Redmi Note 9S.
SpecificationIdol 2 SRedmi Note 9S
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof