Samsung Galaxy M31 vs Xiaomi Redmi K30 Pro: specs comparison

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 M31: 27 g lighter

Galaxy M31:

191 g

Redmi K30 Pro:

218 g
Screen diagonal

Galaxy M31: 0.27 in smaller diagonal

Galaxy M31:

6.4 in

Redmi K30 Pro:

6.67 in
Chipset

Galaxy M31:

Exynos 9611 (10nm)

Redmi K30 Pro:

Qualcomm SM8250 Snapdragon 865 (7 nm+)
Rear camera layout

Galaxy M31:

Triple

Redmi K30 Pro:

Quad
Height

Galaxy M31: 4.1 mm shorter

Galaxy M31:

159.2 mm

Redmi K30 Pro:

163.3 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. Galaxy M31

Height:

159.2 mm
Width:

75.1 mm
Depth:

8.9 mm
2. Redmi K30 Pro

Height:

163.3 mm +4.1 mm versus Galaxy M31
Width:

75.4 mm
Depth:

8.9 mm

Weight

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

1. Galaxy M31

191 g
2. Redmi K30 Pro

218 g

+27 g versus Galaxy M31

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. Galaxy M31

Screen diagonal:

6.4 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

100.5 cm²
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 6.8% more rectangular screen area than Galaxy M31.

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 M31, Redmi K30 Pro, compared at the same storage capacity.
Storage	Galaxy M31	Redmi K30 Pro
64 GB	6 GB RAM	Not recorded
128 GB Recorded for all phones	6 GB RAM	6 / 8 GB RAM Alternative RAM configurations
256 GB	Not recorded	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 M31

NFC:: See details Yes (market/region dependent)
Headphone jack:: Yes
Memory card support:: See details microSDXC (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. Galaxy M31

6000 mAh

+1300 mAh versus Redmi K30 Pro
2. Redmi K30 Pro

4700 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 M312. Redmi K30 Pro

Everyday essentials

Everyday essentials — specifications for Galaxy M31, Redmi K30 Pro.
Specification	Galaxy M31	Redmi K30 Pro
Dimensions (HxWxD)	159.2 Х 75.1 Х 8.9 mm	163.3 Х 75.4 Х 8.9 mm
Weight	191 g	218 g
Technology	Super AMOLED	Super AMOLED
Screen size	6.4" inch	6.67" inch
Screen resolution	1080 x 2340 px	1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64GB 6GB RAM 128GB 6GB RAM	128GB 6GB RAM 128GB 8GB RAM 256GB 8GB RAM
Memory card support	microSDXC (dedicated slot)	No
Battery Capacity is not battery life. No endurance test is implied.	6000 mAh Non-removable Li-Po	4700 mAh Non-removable Li-Po
Operating system OS	Android 10.0; One UI 2.0	Android 10.0; MIUI 11
Chipset	Exynos 9611 (10nm)	Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC	Yes (market/region dependent)	Yes
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy M31, Redmi K30 Pro.
Specification	Galaxy M31	Redmi K30 Pro
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	100.5 cm2	107.4 cm2
Screen format	19.5:9 (height:width)	20:9 (height:width)
Screen to body ratio	84.1%	87.2%
PPI /points per inch/	403 PPI	395 PPI
Screen protection	Corning Gorilla Glass 3	Corning Gorilla Glass 5

Camera and Video

Camera and Video — specifications for Galaxy M31, Redmi K30 Pro.
Specification	Galaxy M31	Redmi K30 Pro
Rear camera, main	64 MP Triple	64 MP Quad
Camera specs	64 MP f/1.8 26mm (wide) 1/1.72" 0.8µm PDAF -8 MP f/2.2 12mm (ultrawide) 1/4.0" 1.12µm -5 MP f/2.4 25mm (macro) 1/5.0" (depth)	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	2160p@30fps 1080p@30fps	1080p@30fps
Front camera, selfie	32 MP Single	20 MP Single
Specifications	32 MP f/2.0 26mm (wide) 1/2.8'' 0.8µm	Motorized pop-up 20 MP (wide) 1/3.4'' 0.8µm

Performance

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

Performance — specifications for Galaxy M31, Redmi K30 Pro.
Specification	Galaxy M31	Redmi K30 Pro
Processor CPU	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)	Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
Graphics processor GPU	Mali-G72 MP3	Adreno 650
Antutu 8 score *	194554	Unknown

General specs

General specs — specifications for Galaxy M31, Redmi K30 Pro.
Specification	Galaxy M31	Redmi K30 Pro
Release date	2020 February 25	2020 March 24
Colors	Ocean Blue Space Black Red	Grey Purple White Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	200 EUR	390 EUR
Body build	Glass front (Gorilla Glass 3) plastic back plastic frame	Glass front (Gorilla Glass 5) glass back (Gorilla Glass 5) aluminum frame

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy M31, Redmi K30 Pro.
Specification	Galaxy M31	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 (unspecified)	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 LTE-A	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 GALILEO BDS	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 - 0.52 W/kg (head) 0.69 W/kg (body) SAR EU - 0.52 W/kg (head) 0.69 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for Galaxy M31, Redmi K30 Pro.
Specification	Galaxy M31	Redmi K30 Pro
Radio	FM radio RDS recording	Unknown
Others	Unknown	HDR10+ -DCI-P3 100% -500 nits typ. brightness (advertised) 24-bit/192kHz audio

Other features

Other features — specifications for Galaxy M31, Redmi K30 Pro.
Specification	Galaxy M31	Redmi K30 Pro
Dop	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging 15W - Versions: SM-M315F/DS	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+

Samsung Galaxy M31 vs Xiaomi Redmi K30 Pro