Xiaomi Mi 9 Lite vs Xiaomi Redmi S2

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.

  • Display technology

    OLED versus LCD

    Mi 9 Lite:
    OLED
    Redmi S2:
    LCD
  • Weight

    Redmi S2: 9 g lighter

    Mi 9 Lite:
    179 g
    Redmi S2:
    170 g
  • Width

    Mi 9 Lite: 2.8 mm narrower

    Mi 9 Lite:
    74.5 mm
    Redmi S2:
    77.3 mm
  • Screen diagonal

    Redmi S2: 0.4 in smaller diagonal

    Mi 9 Lite:
    6.39 in
    Redmi S2:
    5.99 in
  • Chipset

    Mi 9 Lite:
    Qualcomm SDM710 Snapdragon 710 (10 nm)
    Redmi S2:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Rear camera layout

    Mi 9 Lite:
    Triple
    Redmi S2:
    Dual

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. Mi 9 Lite

    Height:
    156.8 mm
    Width:
    74.5 mm
    Depth:
    8.7 mm +0.6 mm versus Redmi S2
  2. 2. Redmi S2

    Height:
    160.7 mm +3.9 mm versus Mi 9 Lite
    Width:
    77.3 mm +2.8 mm versus Mi 9 Lite
    Depth:
    8.1 mm

Weight

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

  1. 1. Mi 9 Lite

    179 g

    +9 g versus Redmi S2

  2. 2. Redmi S2

    170 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. Mi 9 Lite

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²
  2. 2. Redmi S2

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²

Mi 9 Lite has approximately 8.3% more rectangular screen area than Redmi 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Mi 9 Lite: Original memory entry

64GB 6GB RAM · 128GB 6GB RAM · UFS2.1

Redmi S2: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. Mi 9 Lite

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM slot)

2. Redmi S2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Mi 9 Lite

    4030 mAh

    +950 mAh versus Redmi S2

  2. 2. Redmi S2

    3080 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. Mi 9 Lite2. Redmi S2

Everyday essentials
Everyday essentials — specifications for Mi 9 Lite, Redmi S2.
SpecificationMi 9 LiteRedmi S2
Dimensions (HxWxD)
  • 156.8 Х 74.5 Х 8.7 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 179 g
  • 170 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.39" inch
  • 5.99" inch
Screen resolution
  • 1080 x 2340 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 6GB RAM
  • 128GB 6GB RAM
  • UFS2.1
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4030 mAh
  • Non-removable Li-Po
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); MIUI 10
  • Android 8.1 (Oreo); MIUI 10
Chipset
  • Qualcomm SDM710 Snapdragon 710 (10 nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi 9 Lite, Redmi S2.
SpecificationMi 9 LiteRedmi S2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.2 cm2
  • 92.6 cm2
Screen format
  • 19.5:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 85.8%
  • 74.5%
PPI /points per inch/
  • 403 PPI
  • 269 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Mi 9 Lite, Redmi S2.
SpecificationMi 9 LiteRedmi S2
Rear camera, main
  • 48 MP
  • Triple
  • 12 MP
  • Dual
Camera specs
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • (ultrawide) -2 MP
  • depth sensor
  • 12 MP
  • f/2.2
  • 1.25µm
  • PDAF -5 MP
  • depth sensor
Functions
  • HDR
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps (gyro-EIS)
Front camera, selfie
  • 32 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 32 MP
  • f/2.0
  • 0.8µm
  • 16 MP
Performance

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

Performance — specifications for Mi 9 Lite, Redmi S2.
SpecificationMi 9 LiteRedmi S2
Processor CPU
  • Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 616
  • Adreno 506
Antutu 7 score *
  • 176214
  • 78926
GeekBench 4 Single Core * Unknown
  • 835
GeekBench 4 Multi-Core * Unknown
  • 4087
Antutu 8 score *
  • 215686
Unknown
GeekBench 5 Single Core *
  • 392
  • 168
GeekBench 5 Multi-Core *
  • 1505
  • 985
General specs
General specs — specifications for Mi 9 Lite, Redmi S2.
SpecificationMi 9 LiteRedmi S2
Release date
  • 2019
  • September
  • 2018
  • May
Colors
  • Black
  • Blue
  • White
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 150 EUR
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Mi 9 Lite, Redmi S2.
SpecificationMi 9 LiteRedmi S2
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 -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 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 40(2300)
  • 41(2500) - India LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Mi 9 Lite, Redmi S2.
SpecificationMi 9 LiteRedmi S2
Radio
  • FM radio
  • FM radio
Others
  • 600 nits -HDR
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Mi 9 Lite, Redmi S2.
SpecificationMi 9 LiteRedmi S2
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India