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Galaxy S21 FE 5G vs iQOO U3x

Samsung Galaxy S21 FE 5G vs Vivo iQOO U3x

What Galaxy S21 FE 5G does better (22) and where iQOO U3x wins (4) — every spec side by side.

Samsung · 2022Galaxy S21 FE 5G

8.0Score

22 advantages≈ $160

Higher score

Vivo · 2021iQOO U3x

6.0Score

4 advantages≈ $170

7.5Display5.5

9.0Camera4.2

4.3Battery4.6

8.5Features5.8

Dimensions

Size comparison

Galaxy S21 FE 5GiQOO U3x

	Galaxy S21 FE 5G	iQOO U3x	Difference
Height	155.7 mm	164.2 mm	−8.5 mm
Width	74.5 mm	75.4 mm	−0.9 mm
Thickness	7.9 mm	8.4 mm	−0.5 mm
Weight	177 g	186 g	−8 g

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

Why is Galaxy S21 FE 5G better than iQOO U3x?

OLED panelYes · iQOO U3x: No
Storage (max)256 GB vs 128 GB2×
Optical stabilisationYes · iQOO U3x: No
Telephoto cameraYes · iQOO U3x: No
Wireless chargingYes · iQOO U3x: No
NFCYes · iQOO U3x: No
Stereo speakersYes · iQOO U3x: No
Wired charging25 W vs 18 W+39%
Refresh rate120 Hz vs 90 Hz+33%
Rear cameras3 vs 13×
Selfie camera32 MP vs 8 MP4×
CPU frequency2.9 GHz vs 2 GHz+45%

Why is iQOO U3x better than Galaxy S21 FE 5G?

Battery capacity4,500 mAh vs 5,000 mAh+11%
Main camera12 MP vs 13 MP+8%
3.5 mm headphone jackNo · Galaxy S21 FE 5G: Yes
Screen size6.4″ vs 6.6″+3%

Specifications

Side by side

Only differences	Samsung Galaxy S21 FE 5G≈ $1608.0	Vivo iQOO U3x≈ $1706.0
Design
Weight	177 g	186 g
Thickness	7.9 mm	8.4 mm
Height	155.7 mm	164.2 mm
Width	74.5 mm	75.4 mm
Frame	Aluminium	—
Back	Plastic	—
Ingress protection	IP68	—
Water resistance (IPx)	IPx8	—
Glass protection	Corning Gorilla Glass Victus	—
Colours	White, Graphite, Lavender, Olive	Gray, Aurora
Display
Screen size	6.4″	6.6″
Panel	Dynamic AMOLED 2X	IPS LCD
OLED panel	Yes	No
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,340 px	2,408 px
Pixel density	403 ppi	401 ppi
Refresh rate	120 Hz	90 Hz
Peak brightness	1,200 nits	—
Measured brightness	792 nits	—
Screen-to-body ratio	86.7%	84.2%
HDR	Yes	—
Performance
Chipset	Qualcomm SM8350 Snapdragon 888 5G - Version 1	Qualcomm SM4350 Snapdragon 480 5G
Chip maker	Qualcomm	Qualcomm
Process	5 nm	8 nm
CPU cores	8	8
CPU frequency	2.9 GHz	2 GHz
GPU	Adreno 660 - Version 1 Mali-G78 MP14 - Version 2	Adreno 619
AnTuTu score	566,529	—
Geekbench 6 (multi-core)	3,049	—
3DMark Wild Life Extreme	1,666	—
Memory
RAM	8 GB	8 GB
Storage (max)	256 GB	128 GB
Storage (base)	128 GB	64 GB
Storage type	UFS 3.1	UFS 2.1
Memory card slot	No	No
Camera
Main camera	12 MP	13 MP
Main camera aperture	f/1.8	f/2.2
Main sensor size	1/1.76"	—
Rear cameras	3	1
Optical stabilisation	Yes	No
Ultra-wide camera	Yes	No
Telephoto camera	Yes	No
Optical zoom	3×	—
Max video	4K	4K
4K video frame rate	60 fps	30 fps
Selfie camera	32 MP	8 MP
4K selfie video	Yes	No
Battery
Battery capacity	4,500 mAh	5,000 mAh
Battery type	Li-Ion	—
Wired charging	25 W	18 W
Charged in 30 min	50%	—
Wireless charging	Yes	No
Wireless charging power	15 W	—
Reverse wireless charging	Yes	—
Connectivity
5G	Yes	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 6
Bluetooth	5	5.1
NFC	Yes	No
USB	USB Type-C	USB Type-C 2.0
USB version	3.2	2
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS
Features
Stereo speakers	Yes	No
3.5 mm headphone jack	No	Yes
Loudspeaker loudness	-26.9 LUFS	—
Fingerprint sensor	Under display	Side
Barometer	Yes	—
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, proximity, compass
SAR (head)	0.95 W/kg	—
Software
OS at launch	Android 12	Android 11
Platform	Android	Android
Interface	One UI 8	OriginOS 1.0 for iQOO
Major OS updates promised	4	—