android.gs
Compare
Galaxy S20 Ultra 5G vs Poco X3

Samsung Galaxy S20 Ultra 5G vs Xiaomi Poco X3

What Galaxy S20 Ultra 5G does better (29) and where Poco X3 wins (2) — every spec side by side.

Samsung · 2020Galaxy S20 Ultra 5G

9.1Score

29 advantages≈ $250

Higher score

Xiaomi · 2020Poco X3

6.8Score

2 advantages≈ $250

9.2Display5.5

9.8Camera7.4

7.1Battery7.8

9.5Features3.7

Dimensions

Size comparison

Galaxy S20 Ultra 5GPoco X3

	Galaxy S20 Ultra 5G	Poco X3	Difference
Height	166.9 mm	165.3 mm	+1.6 mm
Width	76 mm	76.8 mm	−0.8 mm
Thickness	8.8 mm	10.1 mm	−1.3 mm
Weight	222 g	225 g	−3 g

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

Why is Galaxy S20 Ultra 5G better than Poco X3?

RAM16 GB vs 8 GB2×
Water resistance (IPx)IPx8 vs IPx32.7×
Peak brightness1,400 nits vs 450 nits3.1×
Storage (max)512 GB vs 128 GB4×
Main camera108 MP vs 64 MP+69%
OLED panelYes · Poco X3: No
Optical stabilisationYes · Poco X3: No
Telephoto cameraYes · Poco X3: No
Wireless chargingYes · Poco X3: No
5GYes · Poco X3: No
NFCYes · Poco X3: No
Wired charging45 W vs 33 W+36%

Why is Poco X3 better than Galaxy S20 Ultra 5G?

Battery capacity5,000 mAh vs 6,000 mAh+20%
3.5 mm headphone jackNo · Galaxy S20 Ultra 5G: Yes

Specifications

Side by side

Only differences	Samsung Galaxy S20 Ultra 5G≈ $2509.1	Xiaomi Poco X3≈ $2506.8
Design
Weight	222 g	225 g
Thickness	8.8 mm	10.1 mm
Height	166.9 mm	165.3 mm
Width	76 mm	76.8 mm
Frame	Aluminium	Plastic
Back	Glass	Plastic
Ingress protection	IP68	IP53
Water resistance (IPx)	IPx8	IPx3
Glass protection	Corning Gorilla Glass 6	Corning Gorilla Glass 5
Colours	Cosmic Grey, Cosmic Black, Cloud White	Cobalt Blue, Shadow Gray
Display
Screen size	6.9″	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	511 ppi	395 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	1,400 nits	450 nits
Measured brightness	894 nits	—
Screen-to-body ratio	89.9%	84.6%
HDR	Yes	Yes
Performance
Chipset	Exynos 990 - Global	Qualcomm SM7150-AC Snapdragon 732G
Chip maker	Qualcomm	Qualcomm
Process	7 nm	8 nm
CPU cores	8	8
CPU frequency	2.84 GHz	2.3 GHz
GPU	Mali-G77 MP11 - Global Adreno 650 - USA	Adreno 618
AnTuTu score	415,976	—
Geekbench 6 (multi-core)	12,191	—
Memory
RAM	16 GB	8 GB
Storage (max)	512 GB	128 GB
Storage (base)	128 GB	64 GB
Storage type	UFS 3.0	UFS 2.1
Memory card slot	Yes	Yes
Camera
Main camera	108 MP	64 MP
Main camera aperture	f/1.8	f/1.9
Main sensor size	1/1.33"	1/1.73"
Rear cameras	3	2
Optical stabilisation	Yes	No
Ultra-wide camera	Yes	Yes
Telephoto camera	Yes	No
Optical zoom	4×	—
Max video	8K	4K
4K video frame rate	60 fps	30 fps
Selfie camera	40 MP	20 MP
4K selfie video	Yes	No
Battery
Battery capacity	5,000 mAh	6,000 mAh
Battery type	Li-Ion	Li-Po
Wired charging	45 W	33 W
Wireless charging	Yes	No
Wireless charging power	15 W	—
Reverse wireless charging	Yes	—
Connectivity
5G	Yes	No
eSIM	Yes	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 5
Bluetooth	5	5.1
NFC	Yes	No
USB	USB Type-C 3.2	USB Type-C 2.0
USB version	3.2	2
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, BDS
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	Yes
Loudspeaker loudness	-23.2 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)	0.32 W/kg	0.75 W/kg
Software
OS at launch	Android 10	Android 10
Platform	Android	Android
Interface	One UI 5.1	MIUI 12