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Sharp Aquos S2 vs Xiaomi Redmi Note 9S

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.

  • WeightAquos S2: 69 g lighterAquos S2: 140 g · Redmi Note 9S: 209 g
  • WidthAquos S2: 4.7 mm narrowerAquos S2: 72 mm · Redmi Note 9S: 76.7 mm
  • Screen diagonalAquos S2: 1.17 in smaller diagonalAquos S2: 5.5 in · Redmi Note 9S: 6.67 in
  • Rear camera layoutDual / QuadAquos S2: Dual · Redmi Note 9S: Quad
  • DepthAquos S2: 0.9 mm thinnerAquos S2: 7.9 mm · Redmi Note 9S: 8.8 mm
  • HeightAquos S2: 24 mm shorterAquos S2: 141.8 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.

Front
Aquos S2: 141.8 × 72 mm 1 Redmi Note 9S: 165.8 × 76.7 mm 2
Side
Aquos S2: 141.8 × 7.9 mm 1 Redmi Note 9S: 165.8 × 8.8 mm 2
  1. 1. Aquos S2
    Height
    141.8 mm
    Width
    72 mm
    Depth
    7.9 mm
    Weight
    140 g
  2. 2. Redmi Note 9S
    Height
    165.8 mm+24 mm versus Aquos S2
    Width
    76.7 mm+4.7 mm versus Aquos S2
    Depth
    8.8 mm+0.9 mm versus Aquos S2
    Weight
    209 g
Weight

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

  1. 1. Aquos S2140 g
  2. 2. Redmi Note 9S209 g

    +69 g versus Aquos S2

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.

Screen size
Aquos S2: 5.5 in, 17:9, About 80.7 cm² rectangular area 1 Redmi Note 9S: 6.67 in, 20:9, About 107.4 cm² rectangular area 2
  1. 1. Aquos S2 5.5 in · 17:9 About 80.7 cm² rectangular area
  2. 2. Redmi Note 9S 6.67 in · 20:9 About 107.4 cm² rectangular area

Redmi Note 9S has approximately 33.1% more rectangular screen area than Aquos S2.

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 by storage capacity and phone
StorageAquos S2Redmi Note 9S
64 GB Unknown 4 GB RAM
128 GB Unknown 6 GB RAM
Aquos S2: Original memory entry

128 GB · 6 GB RAM 64 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Aquos S2

NFC
Yes
Headphone jack
No
Memory card support
See details microSD · up to 256 GB (uses SIM 2 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 capacity

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

  1. 1. Aquos S23020 mAh
  2. 2. Redmi Note 9S5020 mAh

    +2000 mAh versus Aquos S2

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. Aquos S22. Redmi Note 9S

Everyday essentials
Everyday essentials
SpecificationAquos S2Redmi Note 9S
Dimensions (HxWxD)
  • 141.8 Х 72 Х 7.9 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 140 g
  • 209 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.67" inch
Screen resolution
  • 1080 x 2040 px
  • 1080 x 2400 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSDXC (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 3020 mAh
  • Non-removable Li-Po
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.1.1 (Nougat)
  • Android 10.0; MIUI 11
Chipset
  • Qualcomm SDM630 Snapdragon 630 (14 nm) 64/4GB -Qualcomm SDM660 Snapdragon 660 (14 nm) 128/6GB
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display
SpecificationAquos S2Redmi Note 9S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 80.7 cm2
  • 107.4 cm2
Screen format
  • 17:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 79.0%
  • 84.5%
PPI /points per inch/
  • 420 PPI
  • 395 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video
SpecificationAquos S2Redmi Note 9S
Rear camera, main
  • 12 MP
  • Dual
  • 48 MP
  • Quad
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1/3.2''
  • 1.4µm
  • dual pixel PDAF -8 MP
  • 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
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1/3.2''
  • 1.4µm
  • 16 MP
  • f/2.5
  • (wide)
  • 1.0µm
Performance
Performance
SpecificationAquos S2Redmi Note 9S
Processor CPU
  • Octa-core (4x2.2 GHz Cortex-A53 & 4x1.8 GHz Cortex A53) 64/4GB -Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) 128/6GB
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU
  • Adreno 508 64/4GB -Adreno 512 128/6GB
  • Adreno 618
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 88256
Unknown
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 859
Unknown
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 4079
Unknown
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 3688
Unknown
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 173
Unknown
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 994
Unknown
General specs
General specs
SpecificationAquos S2Redmi Note 9S
Release date
  • 2017
  • August
  • 2020
  • March 23
Colors
  • White
  • Black
  • Blue
  • Green
  • Aurora Blue
  • Glacier white
  • Interstellar Gray
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 450 EUR
  • $ 199
Body build
  • Front/back glass
  • aluminum frame
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity
SpecificationAquos S2Redmi Note 9S
SIM card
  • Hybrid 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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 28(700)
  • 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 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi 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
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio
SpecificationAquos S2Redmi Note 9S
Radio
  • No
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic
  • 450 nits typ. brightness (advertised)
Other features
Other features
SpecificationAquos S2Redmi Note 9S
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof

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