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Galaxy S20 vs Redmi K30S

Samsung Galaxy S20 vs Xiaomi Redmi K30S

What Galaxy S20 does better (16) and where Redmi K30S wins (8) — every spec side by side.

Samsung · 2020Galaxy S20

7.8Score

16 advantages≈ $430

Xiaomi · 2020Redmi K30S

8.0Score

8 advantages≈ $360

Higher score

7.7Display6.9

7.9Camera8.2

3.8Battery6.0

8.2Features8.7

Dimensions

Size comparison

Galaxy S20Redmi K30S

	Galaxy S20	Redmi K30S	Difference
Height	151.7 mm	165.1 mm	−13.4 mm
Width	69.1 mm	76.4 mm	−7.3 mm
Thickness	7.9 mm	9.3 mm	−1.4 mm
Weight	163 g	216 g	−53 g

Drawn to the same scale from the official dimensions (front and side).

Why is Galaxy S20 better than Redmi K30S?

OLED panelYes · Redmi K30S: No
Optical stabilisationYes · Redmi K30S: No
Telephoto cameraYes · Redmi K30S: No
Wireless chargingYes · Redmi K30S: No
Peak brightness1,200 nits vs 650 nits+85%
Pixel density563 ppi vs 395 ppi+43%
Weight163 g vs 216 g+33%
Memory card slotYes · Redmi K30S: No
4K selfie videoYes · Redmi K30S: No
eSIMYes · Redmi K30S: No
USB version3.2 vs 2+60%
Rear cameras3 vs 2+50%

Why is Redmi K30S better than Galaxy S20?

Main camera12 MP vs 64 MP5.3×
Battery capacity4,000 mAh vs 5,000 mAh+25%
Storage (max)128 GB vs 256 GB2×
5GNo · Galaxy S20: Yes
Wired charging25 W vs 33 W+32%
Refresh rate120 Hz vs 144 Hz+20%
Selfie camera10 MP vs 20 MP2×
Screen size6.2″ vs 6.7″+8%

Specifications

Side by side

Only differences	Samsung Galaxy S20≈ $4307.8	Xiaomi Redmi K30S≈ $3608.0
Design
Weight	163 g	216 g
Thickness	7.9 mm	9.3 mm
Height	151.7 mm	165.1 mm
Width	69.1 mm	76.4 mm
Frame	Aluminium	Aluminium
Back	Glass	Glass
Ingress protection	IP68	—
Water resistance (IPx)	IPx8	—
Glass protection	Corning Gorilla Glass 6	Corning Gorilla Glass 5
Colours	Cosmic Grey, Cloud Blue, Cloud Pink, Cloud White, Aura Red	Cosmic Black, Lunar Silver
Display
Screen size	6.2″	6.7″
Panel	Dynamic AMOLED 2X	IPS LCD
OLED panel	Yes	No
Resolution (width)	1,440 px	1,080 px
Resolution (height)	3,200 px	2,400 px
Pixel density	563 ppi	395 ppi
Refresh rate	120 Hz	144 Hz
Peak brightness	1,200 nits	650 nits
Measured brightness	814 nits	—
Screen-to-body ratio	89.5%	85.2%
HDR	Yes	Yes
Performance
Chipset	Exynos 990 - Global	Qualcomm SM8250 Snapdragon 865 5G
Chip maker	Qualcomm	Qualcomm
Process	7 nm	7 nm
CPU cores	8	8
CPU frequency	2.84 GHz	2.84 GHz
GPU	Mali-G77 MP11 - Global Adreno 650 - USA	Adreno 650
AnTuTu score	525,029	—
Geekbench 6 (multi-core)	12,557	—
3DMark Wild Life Extreme	1,414	—
Memory
RAM	8 GB	8 GB
Storage (max)	128 GB	256 GB
Storage (base)	128 GB	128 GB
Storage type	UFS 3.0	UFS 3.1
Memory card slot	Yes	No
Camera
Main camera	12 MP	64 MP
Main camera aperture	f/1.8	f/1.9
Main sensor size	1/1.76"	1/1.73"
Rear cameras	3	2
Optical stabilisation	Yes	No
Ultra-wide camera	Yes	Yes
Telephoto camera	Yes	No
Optical zoom	1.1×	—
Max video	8K	8K
4K video frame rate	60 fps	60 fps
Selfie camera	10 MP	20 MP
4K selfie video	Yes	No
Battery
Battery capacity	4,000 mAh	5,000 mAh
Battery type	Li-Ion	Li-Po
Wired charging	25 W	33 W
Wireless charging	Yes	No
Wireless charging power	15 W	—
Reverse wireless charging	Yes	—
Connectivity
5G	No	Yes
eSIM	Yes	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 6
Bluetooth	5	5.1
NFC	Yes	Yes
USB	USB Type-C 3.2	USB Type-C 2.0
USB version	3.2	2
Dual-band GPS	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	No
Loudspeaker loudness	-23.9 LUFS	—
Fingerprint sensor	Under display, ultrasonic	Side
Barometer	Yes	—
Sensors	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)	0.28 W/kg	—
Software
OS at launch	Android 10	Android 10
Platform	Android	Android
Interface	One UI 5	MIUI 12