vivo X23 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

    X23:
    OLED
    Redmi S2:
    LCD
  • Width

    X23: 3.2 mm narrower

    X23:
    74.1 mm
    Redmi S2:
    77.3 mm
  • Screen diagonal

    Redmi S2: 0.42 in smaller diagonal

    X23:
    6.41 in
    Redmi S2:
    5.99 in
  • Chipset

    X23:
    Qualcomm SDM670 Snapdragon 670 (10 nm)
    Redmi S2:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Depth

    X23: 0.6 mm thinner

    X23:
    7.5 mm
    Redmi S2:
    8.1 mm
  • Height

    X23: 3 mm shorter

    X23:
    157.7 mm
    Redmi S2:
    160.7 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. X23

    Height:
    157.7 mm
    Width:
    74.1 mm
    Depth:
    7.5 mm
    Weight:
    Unknown
  2. 2. Redmi S2

    Height:
    160.7 mm +3 mm versus X23
    Width:
    77.3 mm +3.2 mm versus X23
    Depth:
    8.1 mm +0.6 mm versus X23
    Weight:
    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. X23

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

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

X23 has approximately 8.9% 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.

Recorded RAM for X23, Redmi S2, compared at the same storage capacity.
StorageX23Redmi S2
128 GB 8 GB RAM Unknown
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. X23

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. X23

    3400 mAh

    +320 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. X232. Redmi S2

Everyday essentials
Everyday essentials — specifications for X23, Redmi S2.
SpecificationX23Redmi S2
Dimensions (HxWxD)
  • 157.7 Х 74.1 Х 7.5 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 0 g
  • 170 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.41" 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.
  • 128 GB
  • 8 GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3400 mAh
  • Non-removable Li-Ion
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo); Funtouch 4.5
  • Android 8.1 (Oreo); MIUI 10
Chipset
  • Qualcomm SDM670 Snapdragon 670 (10 nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X23, Redmi S2.
SpecificationX23Redmi S2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.9 cm2
  • 92.6 cm2
Screen format
  • 19.5:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 86.3%
  • 74.5%
PPI /points per inch/
  • 402 PPI
  • 269 PPI
Camera and Video
Camera and Video — specifications for X23, Redmi S2.
SpecificationX23Redmi S2
Rear camera, main
  • 12 MP
  • Dual
  • 12 MP
  • Dual
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -13 MP
  • f/2.4
  • 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
  • 12 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 12 MP
  • 16 MP
Performance

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

Performance — specifications for X23, Redmi S2.
SpecificationX23Redmi S2
Processor CPU
  • Octa-core (4x2.0 GHz Kryo 360 & 4x1.8 GHz Kryo 360)
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 615
  • Adreno 506
Antutu 7 score *
  • 146328
  • 78926
GeekBench 4 Single Core * Unknown
  • 835
GeekBench 4 Multi-Core * Unknown
  • 4087
GeekBench 5 Single Core * Unknown
  • 168
GeekBench 5 Multi-Core * Unknown
  • 985
General specs
General specs — specifications for X23, Redmi S2.
SpecificationX23Redmi S2
Release date
  • 2018
  • September
  • 2018
  • May
Colors
  • Phantom Purple
  • Magic Night
  • Phantom Red
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 500 EUR
  • 150 EUR
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for X23, Redmi S2.
SpecificationX23Redmi 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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 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 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 (2CA) Cat6 300/150 Mbps
  • 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
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • EDR
  • LE
  • aptX
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for X23, Redmi S2.
SpecificationX23Redmi S2
Radio
  • FM radio
  • FM radio
Others
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for X23, Redmi S2.
SpecificationX23Redmi S2
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • proximity
  • compass - Fast battery charging 10V/2.25A 22.5W
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India