Samsung Galaxy A9 (2018) vs Xiaomi Redmi K30 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.

  • Weight

    Galaxy A9 (2018): 35 g lighter

    Galaxy A9 (2018):
    183 g
    Redmi K30 Pro:
    218 g
  • Width

    Redmi K30 Pro: 1.6 mm narrower

    Galaxy A9 (2018):
    77 mm
    Redmi K30 Pro:
    75.4 mm
  • Screen diagonal

    Galaxy A9 (2018): 0.37 in smaller diagonal

    Galaxy A9 (2018):
    6.3 in
    Redmi K30 Pro:
    6.67 in
  • Chipset

    Galaxy A9 (2018):
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Redmi K30 Pro:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Depth

    Galaxy A9 (2018): 1.1 mm thinner

    Galaxy A9 (2018):
    7.8 mm
    Redmi K30 Pro:
    8.9 mm
  • Release year

    Galaxy A9 (2018):
    2018
    Redmi K30 Pro:
    2020

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 A9 (2018)

    Height:
    162.5 mm
    Width:
    77 mm +1.6 mm versus Redmi K30 Pro
    Depth:
    7.8 mm
  2. 2. Redmi K30 Pro

    Height:
    163.3 mm
    Width:
    75.4 mm
    Depth:
    8.9 mm +1.1 mm versus Galaxy A9 (2018)

Weight

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

  1. 1. Galaxy A9 (2018)

    183 g

  2. 2. Redmi K30 Pro

    218 g

    +35 g versus Galaxy A9 (2018)

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 A9 (2018)

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    100.7 cm²
  2. 2. Redmi K30 Pro

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²

Redmi K30 Pro has approximately 6.6% more rectangular screen area than Galaxy A9 (2018).

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 A9 (2018), Redmi K30 Pro, compared at the same storage capacity.
StorageGalaxy A9 (2018)Redmi K30 Pro
128 GB Unknown 6 / 8 GB RAM Alternative RAM configurations
256 GB Unknown 8 GB RAM
Galaxy A9 (2018): Original memory entry

64/128 GB · 6/8 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 A9 (2018)

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (dedicated slot)

2. Redmi K30 Pro

NFC:
Yes
Headphone jack:
Yes
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. Galaxy A9 (2018)

    3800 mAh

  2. 2. Redmi K30 Pro

    4700 mAh

    +900 mAh versus Galaxy A9 (2018)

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 A9 (2018)2. Redmi K30 Pro

Everyday essentials
Everyday essentials — specifications for Galaxy A9 (2018), Redmi K30 Pro.
SpecificationGalaxy A9 (2018)Redmi K30 Pro
Dimensions (HxWxD)
  • 162.5 Х 77 Х 7.8 mm
  • 163.3 Х 75.4 Х 8.9 mm
Weight
  • 183 g
  • 218 g
Technology
  • Super AMOLED
  • Super AMOLED
Screen size
  • 6.3" inch
  • 6.67" inch
Screen resolution
  • 1080 x 2220 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 6/8 GB RAM
  • 128GB 6GB RAM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3800 mAh
  • Non-removable Li-Ion
  • 4700 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.0 (Oreo)
  • planned upgrade to Android 9.0 (Pie)
  • Android 10.0; MIUI 11
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A9 (2018), Redmi K30 Pro.
SpecificationGalaxy A9 (2018)Redmi K30 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.2 cm2
  • 107.4 cm2
Screen format
  • 18.5:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 80.1%
  • 87.2%
PPI /points per inch/
  • 393 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for Galaxy A9 (2018), Redmi K30 Pro.
SpecificationGalaxy A9 (2018)Redmi K30 Pro
Rear camera, main
  • 24 MP
  • Quad
  • 64 MP
  • Quad
Camera specs
  • 24 MP
  • f/1.7
  • 27mm (wide)
  • 1/2.8''
  • 0.9µm
  • PDAF -8 MP
  • f/2.4
  • 12mm (ultrawide)
  • 1/4.0''
  • 1.12µm -10 MP f/2.4
  • 52mm
  • (telephoto)
  • 1/3.9''
  • 1.0µm
  • 2x optical zoom -5 MP
  • f/2.2
  • 24mm (wide)
  • 1/5.0''
  • 1.12µm
  • depth sensor
  • 64 MP
  • 26mm (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -5 MP
  • 50mm (telephoto macro)
  • AF -13 MP
  • 13mm (ultrawide) -2 MP
  • (depth)
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 24 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 24 MP
  • f/2.0
  • 27mm (wide)
  • 1/2.8''
  • 0.9μm
  • Motorized pop-up 20 MP
  • (wide)
  • 1/3.4''
  • 0.8µm
DxOMark Main Score *
  • 88
Unknown
DxOMark Photo *
  • 93
Unknown
DxOMark Video *
  • 77
Unknown
Performance

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

Performance — specifications for Galaxy A9 (2018), Redmi K30 Pro.
SpecificationGalaxy A9 (2018)Redmi K30 Pro
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
Graphics processor GPU
  • Adreno 512
  • Adreno 650
Antutu 7 score *
  • 142728
Unknown
GeekBench 5 Single Core *
  • 300
Unknown
GeekBench 5 Multi-Core *
  • 1336
Unknown
General specs
General specs — specifications for Galaxy A9 (2018), Redmi K30 Pro.
SpecificationGalaxy A9 (2018)Redmi K30 Pro
Release date
  • 2018
  • October
  • 2020
  • March 24
Colors
  • Caviar Black
  • Lemonade Blue
  • Bubblegum Pink
  • Grey
  • Purple
  • White
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 600 EUR
  • 390 EUR
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A9 (2018), Redmi K30 Pro.
SpecificationGalaxy A9 (2018)Redmi K30 Pro
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)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 26(850)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100)
  • 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)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) -5G - 5G band 1(2100)
  • 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A; 5G
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/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.1
  • A2DP
  • LE
  • aptX HD
  • aptX Adaptive
Harmful irradiation
  • SAR - 0.27 W/kg (head) 0.84 W/kg (body) SAR EU - 0.35 W/kg (head) 1.59 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy A9 (2018), Redmi K30 Pro.
SpecificationGalaxy A9 (2018)Redmi K30 Pro
Radio
  • FM radio
Unknown
Others
  • Active noise cancellation with dedicated mic -Dolby Atmos
  • HDR10+ -DCI-P3 100% -500 nits typ. brightness (advertised)
  • 24-bit/192kHz audio
Other features
Other features — specifications for Galaxy A9 (2018), Redmi K30 Pro.
SpecificationGalaxy A9 (2018)Redmi K30 Pro
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - ANT+ -Fast battery charging - Samsung Pay - Also known as Samsung Galaxy A9 Star Pro
  • Samsung Galaxy A9s Versions: SM-A920F/DS (Global); SM-A9200 (China)
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast charging 33W
  • 100% in 63 min (advertised) -USB Power Delivery -Quick Charge 4+