Samsung Galaxy M21 vs Xiaomi Redmi Note 7 Pro

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

    Galaxy M21:
    OLED
    Redmi Note 7 Pro:
    LCD
  • Chipset

    Galaxy M21:
    Exynos 9611 (10nm)
    Redmi Note 7 Pro:
    Qualcomm SDM675 Snapdragon 675 (11 nm)
  • Rear camera layout

    Galaxy M21:
    Triple
    Redmi Note 7 Pro:
    Dual
  • Depth

    Redmi Note 7 Pro: 0.8 mm thinner

    Galaxy M21:
    8.9 mm
    Redmi Note 7 Pro:
    8.1 mm
  • Release year

    Galaxy M21:
    2020
    Redmi Note 7 Pro:
    2019

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 M21

    Height:
    159 mm
    Width:
    75.1 mm
    Depth:
    8.9 mm +0.8 mm versus Redmi Note 7 Pro
  2. 2. Redmi Note 7 Pro

    Height:
    159.2 mm
    Width:
    75.2 mm
    Depth:
    8.1 mm

Weight

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

  1. 1. Galaxy M21

    188 g

    +2 g versus Redmi Note 7 Pro

  2. 2. Redmi Note 7 Pro

    186 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 M21

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²
  2. 2. Redmi Note 7 Pro

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

Galaxy M21 has approximately 3.2% more rectangular screen area than Redmi Note 7 Pro.

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 Galaxy M21, Redmi Note 7 Pro, compared at the same storage capacity.
StorageGalaxy M21Redmi Note 7 Pro
64 GB 4 GB RAM Unknown
128 GB 6 GB RAM Unknown
Redmi Note 7 Pro: Original memory entry

128 GB · 6 GB RAM 64 GB · 512GB 4GB

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 M21

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. Redmi Note 7 Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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 M21

    6000 mAh

    +2000 mAh versus Redmi Note 7 Pro

  2. 2. Redmi Note 7 Pro

    4000 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 M212. Redmi Note 7 Pro

Everyday essentials
Everyday essentials — specifications for Galaxy M21, Redmi Note 7 Pro.
SpecificationGalaxy M21Redmi Note 7 Pro
Dimensions (HxWxD)
  • 159 Х 75.1 Х 8.9 mm
  • 159.2 Х 75.2 Х 8.1 mm
Weight
  • 188 g
  • 186 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.4" inch
  • 6.3" inch
Screen resolution
  • 1080 x 2340 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 4GB RAM
  • 128GB 6GB RAM
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 6000 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 10.0; One UI 2
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Exynos 9611 (10nm)
  • Qualcomm SDM675 Snapdragon 675 (11 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy M21, Redmi Note 7 Pro.
SpecificationGalaxy M21Redmi Note 7 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.5 cm2
  • 97.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 84.2%
  • 81.4%
PPI /points per inch/
  • 403 PPI
  • 409 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Galaxy M21, Redmi Note 7 Pro.
SpecificationGalaxy M21Redmi Note 7 Pro
Rear camera, main
  • 48 MP
  • Triple
  • 48 MP
  • Dual
Camera specs
  • 48 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 12mm (ultrawide)
  • 1/4.0''
  • 1.12µm -5 MP
  • (depth)
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -5 MP
  • f/2.4
  • depth sensor
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 20 MP
  • f/2.0
  • 26mm (wide)
  • 13 MP
Performance

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

Performance — specifications for Galaxy M21, Redmi Note 7 Pro.
SpecificationGalaxy M21Redmi Note 7 Pro
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
  • Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
Graphics processor GPU
  • Mali-G72 MP3
  • Adreno 612
Antutu 7 score * Unknown
  • 185456
GeekBench 4 Single Core * Unknown
  • 2399
GeekBench 4 Multi-Core * Unknown
  • 6540
Antutu 8 score *
  • 182451
  • 215060
GeekBench 5 Single Core * Unknown
  • 500
GeekBench 5 Multi-Core * Unknown
  • 1501
General specs
General specs — specifications for Galaxy M21, Redmi Note 7 Pro.
SpecificationGalaxy M21Redmi Note 7 Pro
Release date
  • 2020
  • March 18
  • 2019
  • February
Colors
  • Midnight Blue
  • Raven Black
  • Nebula Red
  • Neptune Blue
  • Space Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 200 EUR
Body build
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
  • Front/back glass (Gorilla Glass 5)
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy M21, Redmi Note 7 Pro.
SpecificationGalaxy M21Redmi Note 7 Pro
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid 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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.47 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy M21, Redmi Note 7 Pro.
SpecificationGalaxy M21Redmi Note 7 Pro
Radio
  • FM radio
  • RDS
  • recording
  • FM radio
  • recording
Others
  • 420 nits max brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy M21, Redmi Note 7 Pro.
SpecificationGalaxy M21Redmi Note 7 Pro
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W (Quick Charge 4)