Samsung Galaxy M20 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: 16 g lighter

    Galaxy M20:
    186 g
    Redmi S2:
    170 g
  • Width

    Galaxy M20: 2.8 mm narrower

    Galaxy M20:
    74.5 mm
    Redmi S2:
    77.3 mm
  • Screen diagonal

    Redmi S2: 0.31 in smaller diagonal

    Galaxy M20:
    6.3 in
    Redmi S2:
    5.99 in
  • Chipset

    Galaxy M20:
    Exynos 7904 Octa (14 nm)
    Redmi S2:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Depth

    Redmi S2: 0.7 mm thinner

    Galaxy M20:
    8.8 mm
    Redmi S2:
    8.1 mm
  • Height

    Galaxy M20: 4.3 mm shorter

    Galaxy M20:
    156.4 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. Galaxy M20

    Height:
    156.4 mm
    Width:
    74.5 mm
    Depth:
    8.8 mm +0.7 mm versus Redmi S2
  2. 2. Redmi S2

    Height:
    160.7 mm +4.3 mm versus Galaxy M20
    Width:
    77.3 mm +2.8 mm versus Galaxy M20
    Depth:
    8.1 mm

Weight

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

  1. 1. Galaxy M20

    186 g

    +16 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. Galaxy M20

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

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

Galaxy M20 has approximately 5.2% 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.

Galaxy M20: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. Galaxy M20

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (dedicated 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. Galaxy M20

    5000 mAh

    +1920 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. Galaxy M202. Redmi S2

Everyday essentials
Everyday essentials — specifications for Galaxy M20, Redmi S2.
SpecificationGalaxy M20Redmi S2
Dimensions (HxWxD)
  • 156.4 Х 74.5 Х 8.8 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 186 g
  • 170 g
Technology
  • PLS TFT
  • IPS LCD
Screen size
  • 6.3" 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.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo); Experience 9.5
  • Android 8.1 (Oreo); MIUI 10
Chipset
  • Exynos 7904 Octa (14 nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy M20, Redmi S2.
SpecificationGalaxy M20Redmi S2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 92.6 cm2
Screen format
  • 19.5:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 83.6%
  • 74.5%
PPI /points per inch/
  • 409 PPI
  • 269 PPI
Camera and Video
Camera and Video — specifications for Galaxy M20, Redmi S2.
SpecificationGalaxy M20Redmi S2
Rear camera, main
  • 13 MP
  • Dual
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • f/1.9
  • 1/2.8''
  • 1.12µm
  • PDAF -5 MP
  • f/2.2
  • 12mm (ultrawide)
  • 1/6"
  • 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
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 16 MP
Performance

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

Performance — specifications for Galaxy M20, Redmi S2.
SpecificationGalaxy M20Redmi S2
Processor CPU
  • Octa-core (2x1.8 GHz Kryo 260 Gold & 6x1.6 GHz Kryo 260 Silver)
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-G71 MP2
  • Adreno 506
Antutu 7 score *
  • 109326
  • 78926
GeekBench 4 Single Core * Unknown
  • 835
GeekBench 4 Multi-Core * Unknown
  • 4087
GeekBench 5 Single Core *
  • 263
  • 168
GeekBench 5 Multi-Core *
  • 959
  • 985
General specs
General specs — specifications for Galaxy M20, Redmi S2.
SpecificationGalaxy M20Redmi S2
Release date
  • 2019
  • January
  • 2018
  • May
Colors
  • Ocean Blue
  • Charcoal Black
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 150 EUR
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy M20, Redmi S2.
SpecificationGalaxy M20Redmi 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 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 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) Cat12 600/50 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 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.25 W/kg (head) 1.59 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy M20, Redmi S2.
SpecificationGalaxy M20Redmi S2
Radio
  • FM radio
  • RDS
  • recording
  • FM radio
Others
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy M20, Redmi S2.
SpecificationGalaxy M20Redmi S2
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 15W
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India