HTC U12+ 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.

  • Weight

    Redmi S2: 18 g lighter

    U12+:
    188 g
    Redmi S2:
    170 g
  • Width

    U12+: 3.4 mm narrower

    U12+:
    73.9 mm
    Redmi S2:
    77.3 mm
  • Chipset

    U12+:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
    Redmi S2:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Depth

    Redmi S2: 0.6 mm thinner

    U12+:
    8.7 mm
    Redmi S2:
    8.1 mm
  • Height

    U12+: 4.1 mm shorter

    U12+:
    156.6 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. U12+

    Height:
    156.6 mm
    Width:
    73.9 mm
    Depth:
    8.7 mm +0.6 mm versus Redmi S2
  2. 2. Redmi S2

    Height:
    160.7 mm +4.1 mm versus U12+
    Width:
    77.3 mm +3.4 mm versus U12+
    Depth:
    8.1 mm

Weight

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

  1. 1. U12+

    188 g

    +18 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. U12+

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. Redmi S2

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

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 U12+, Redmi S2, compared at the same storage capacity.
StorageU12+Redmi S2
64 GB 6 GB RAM Unknown
128 GB 6 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. U12+

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 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. U12+

    3500 mAh

    +420 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. U12+2. Redmi S2

Everyday essentials
Everyday essentials — specifications for U12+, Redmi S2.
SpecificationU12+Redmi S2
Dimensions (HxWxD)
  • 156.6 Х 73.9 Х 8.7 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 188 g
  • 170 g
Technology
  • Super LCD6
  • IPS LCD
Screen size
  • 6" inch
  • 5.99" inch
Screen resolution
  • 1440 x 2880 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 6 GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.0 (Oreo)
  • planned upgrade to Android 9.0 (Pie); Sense UI
  • 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 U12+, Redmi S2.
SpecificationU12+Redmi S2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 92.6 cm2
Screen format
  • 18:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 80.3%
  • 74.5%
PPI /points per inch/
  • 537 PPI
  • 269 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video

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

Camera and Video — specifications for U12+, Redmi S2.
SpecificationU12+Redmi S2
Rear camera, main
  • 12 MP
  • Dual
  • 12 MP
  • Dual
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF & laser AF
  • OIS -16 MP (12 MP effective)
  • f/2.6
  • 1.0µm
  • 2x optical zoom
  • AF
  • 12 MP
  • f/2.2
  • 1.25µm
  • PDAF -5 MP
  • depth sensor
Functions
  • HDR
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps (gyro-EIS)
Front camera, selfie
  • 8 MP
  • Dual
  • 16 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm 8 MP
  • 1.12µm
  • 16 MP
DxOMark Main Score *
  • 103
Unknown
DxOMark Photo *
  • 106
Unknown
DxOMark Video *
  • 95
Unknown
Performance

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

Performance — specifications for U12+, Redmi S2.
SpecificationU12+Redmi 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 *
  • 275302
  • 78926
GeekBench 4 Single Core *
  • 2406
  • 835
GeekBench 4 Multi-Core *
  • 8712
  • 4087
GeekBench 4 RenderScript *
  • 13476
Unknown
GeekBench 5 Single Core *
  • 507
  • 168
GeekBench 5 Multi-Core *
  • 2082
  • 985
General specs
General specs — specifications for U12+, Redmi S2.
SpecificationU12+Redmi S2
Release date
  • 2018
  • May
  • 2018
  • May
Colors
  • Translucent Blue
  • Ceramic Black
  • Flame red
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 650 EUR
  • 150 EUR
Battery life
  • Talking time- Up to 24 h (3G)
Unknown
Body build
  • Front/back glass & aluminum frame
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for U12+, Redmi S2.
SpecificationU12+Redmi S2
SIM card
  • Single SIM (Nano-SIM)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 - SIM 1 & SIM 2 (dual-SIM model only) -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)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 49
  • 41(2500)
  • 66(1700/2100)
  • 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) Cat18 1200/150 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
  • Wi-Fi Direct
  • DLNA
  • 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
  • 3.1
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • aptX HD
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for U12+, Redmi S2.
SpecificationU12+Redmi S2
Radio
  • No
  • FM radio
Others
  • DCI-P3 -HDR10
  • 32-bit/384kHz audio -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for U12+, Redmi S2.
SpecificationU12+Redmi S2
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 50% in 35 min (Quick Charge 3.0) - IP68 dust/water proof (up to 1.5m for 30 mins) -Pressure-sensitive buttons
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India