Xiaomi Redmi S2 vs ZTE nubia X

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 S2: 11 g lighter

    Redmi S2:
    170 g
    nubia X:
    181 g
  • Width

    nubia X: 4 mm narrower

    Redmi S2:
    77.3 mm
    nubia X:
    73.3 mm
  • Screen diagonal

    Redmi S2: 0.27 in smaller diagonal

    Redmi S2:
    5.99 in
    nubia X:
    6.26 in
  • Chipset

    Redmi S2:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
    nubia X:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Height

    nubia X: 6.6 mm shorter

    Redmi S2:
    160.7 mm
    nubia X:
    154.1 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 S2

    Height:
    160.7 mm +6.6 mm versus nubia X
    Width:
    77.3 mm +4 mm versus nubia X
    Depth:
    8.1 mm
  2. 2. nubia X

    Height:
    154.1 mm
    Width:
    73.3 mm
    Depth:
    8.4 mm

Weight

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

  1. 1. Redmi S2

    170 g

  2. 2. nubia X

    181 g

    +11 g versus Redmi 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.

  1. 1. Redmi S2

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

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²

nubia X has approximately 5.6% 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.

Redmi S2: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

nubia X: Original memory entry

128/256/512 GB · 8 GB RAM 64 GB · 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. Redmi S2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. nubia X

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

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 S2

    3080 mAh

  2. 2. nubia X

    3800 mAh

    +720 mAh versus Redmi 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. Redmi S22. nubia X

Everyday essentials
Everyday essentials — specifications for Redmi S2, nubia X.
SpecificationRedmi S2nubia X
Dimensions (HxWxD)
  • 160.7 Х 77.3 Х 8.1 mm
  • 154.1 Х 73.3 Х 8.4 mm
Weight
  • 170 g
  • 181 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 5.99" inch
  • 6.26" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 128/256/512 GB
  • 8 GB RAM 64 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3080 mAh
  • Non-removable Li-Po
  • 3800 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo); MIUI 10
  • Android 8.1 (Oreo); Nubia UI 6
Chipset
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for Redmi S2, nubia X.
SpecificationRedmi S2nubia X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.6 cm2
  • 97.8 cm2
Screen format
  • 18:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 74.5%
  • 86.6%
PPI /points per inch/
  • 269 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Redmi S2, nubia X.
SpecificationRedmi S2nubia X
Rear camera, main
  • 12 MP
  • Dual
  • 16 MP
  • Dual
Camera specs
  • 12 MP
  • f/2.2
  • 1.25µm
  • PDAF -5 MP
  • depth sensor
  • 16 MP
  • f/1.8
  • PDAF -24 MP
  • f/1.7
  • PDAF
Functions
  • HDR
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps (gyro-EIS)
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 16 MP
  • Dual
Specifications
  • 16 MP
  • Uses main cameras
Performance

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

Performance — specifications for Redmi S2, nubia X.
SpecificationRedmi S2nubia X
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.65 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 506
  • Adreno 630
Antutu 7 score *
  • 78926
Unknown
GeekBench 4 Single Core *
  • 835
Unknown
GeekBench 4 Multi-Core *
  • 4087
Unknown
GeekBench 5 Single Core *
  • 168
Unknown
GeekBench 5 Multi-Core *
  • 985
Unknown
General specs
General specs — specifications for Redmi S2, nubia X.
SpecificationRedmi S2nubia X
Release date
  • 2018
  • May
  • 2018
  • October
Colors
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
  • Blue Gold
  • Sea Blue
  • Black Gold
  • Deep Gray
  • Starry Night (512 GB only)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 450 EUR
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Redmi S2, nubia X.
SpecificationRedmi S2nubia X
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 - 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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat18 1200/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Redmi S2, nubia X.
SpecificationRedmi S2nubia X
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Secondary display (on the back): OLED
  • 5.1 inches
  • 720 x 1520 pixels
  • Corning Gorilla Glass 3
  • DTS HD sound -32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Redmi S2, nubia X.
SpecificationRedmi S2nubia X
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India
  • Sensors Dual fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 4.0)