OnePlus 6T vs Xiaomi Redmi S2

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.

  • Display technology

    OLED versus LCD

    6T:
    OLED
    Redmi S2:
    LCD
  • Weight

    Redmi S2: 15 g lighter

    6T:
    185 g
    Redmi S2:
    170 g
  • Width

    6T: 2.5 mm narrower

    6T:
    74.8 mm
    Redmi S2:
    77.3 mm
  • Screen diagonal

    Redmi S2: 0.42 in smaller diagonal

    6T:
    6.41 in
    Redmi S2:
    5.99 in
  • Chipset

    6T:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
    Redmi S2:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Height

    6T: 3.2 mm shorter

    6T:
    157.5 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. 6T

    Height:
    157.5 mm
    Width:
    74.8 mm
    Depth:
    8.2 mm
  2. 2. Redmi S2

    Height:
    160.7 mm +3.2 mm versus 6T
    Width:
    77.3 mm +2.5 mm versus 6T
    Depth:
    8.1 mm

Weight

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

  1. 1. 6T

    185 g

    +15 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. 6T

    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

6T 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.

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

6T: Original memory entry

256 GB · 8 GB RAM · 128 GB · 6/8 GB RAM

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. 6T

NFC:
Yes
Headphone jack:
No
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. 6T

    3700 mAh

    +620 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. 6T2. Redmi S2

Everyday essentials
Everyday essentials — specifications for 6T, Redmi S2.
Specification6TRedmi S2
Dimensions (HxWxD)
  • 157.5 Х 74.8 Х 8.2 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 185 g
  • 170 g
Technology
  • Optic 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.
  • 256 GB
  • 8 GB RAM
  • 128 GB
  • 6/8 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.
  • 3700 mAh
  • Non-removable Li-Po
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); OxygenOS 9.0.5
  • Android 8.1 (Oreo); MIUI 10
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for 6T, Redmi S2.
Specification6TRedmi 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
  • 85.6%
  • 74.5%
PPI /points per inch/
  • 402 PPI
  • 269 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video

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

Camera and Video — specifications for 6T, Redmi S2.
Specification6TRedmi S2
Rear camera, main
  • 16 MP
  • Dual
  • 12 MP
  • Dual
Camera specs
  • 16 MP
  • f/1.7
  • 25mm (wide)
  • 1/2.6''
  • 1.22µm
  • OIS
  • PDAF -20 MP (16 MP effective)
  • 1/2.8''
  • 1.0µm
  • PDAF
  • 12 MP
  • f/2.2
  • 1.25µm
  • PDAF -5 MP
  • depth sensor
Functions
  • Auto-HDR
  • gyro-EIS
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps (gyro-EIS)
Front camera, selfie
  • 16 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 25mm (wide)
  • 1/3.1''
  • 1.0µm
  • 16 MP
DxOMark Main Score *
  • 98
Unknown
DxOMark Photo *
  • 101
Unknown
DxOMark Video *
  • 91
Unknown
Performance

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

Performance — specifications for 6T, Redmi S2.
Specification6TRedmi S2
Processor CPU
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 630
  • Adreno 506
Antutu 7 score *
  • 293212
  • 78926
GeekBench 4 Single Core *
  • 2372
  • 835
GeekBench 4 Multi-Core *
  • 8842
  • 4087
GeekBench 4 RenderScript *
  • 13163
Unknown
Antutu 8 score *
  • 362575
Unknown
GeekBench 5 Single Core *
  • 500
  • 168
GeekBench 5 Multi-Core *
  • 2245
  • 985
General specs
General specs — specifications for 6T, Redmi S2.
Specification6TRedmi S2
Release date
  • 2018
  • October
  • 2018
  • May
Colors
  • Thunder Purple
  • Mirror Black
  • Midnight Black
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 550 EUR
  • 150 EUR
Body build
  • Front/back glass
  • aluminum frame
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for 6T, Redmi S2.
Specification6TRedmi 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 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 29(700)
  • 30(2300)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 46
  • 66(1700/2100)
  • 71(600) - Europe
  • North America LTE band 1(2100)
  • 66(1700/2100) - India
  • China
  • 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 (5CA) Cat16 1024/150 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
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • aptX HD
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for 6T, Redmi S2.
Specification6TRedmi S2
Radio
  • No
  • FM radio
Others
  • DCI-P3
  • Active noise cancellation with dedicated mic -Dirac HD sound
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for 6T, Redmi S2.
Specification6TRedmi S2
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/4A 20W
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India