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iQOO U3x vs Redmi Note 10S

Vivo iQOO U3x vs Xiaomi Redmi Note 10S

What iQOO U3x does better (5) and where Redmi Note 10S wins (12) — every spec side by side.

Vivo · 2021iQOO U3x

6.0Score

5 advantages≈ $170

Xiaomi · 2021Redmi Note 10S

6.4Score

12 advantages≈ $170

Higher score

5.5Display6.5

4.2Camera7.0

4.6Battery6.0

5.8Features4.6

Dimensions

Size comparison

iQOO U3xRedmi Note 10S

	iQOO U3x	Redmi Note 10S	Difference
Height	164.2 mm	160.5 mm	+3.7 mm
Width	75.4 mm	74.5 mm	+0.9 mm
Thickness	8.4 mm	8.3 mm	+0.1 mm
Weight	186 g	179 g	+7 g

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

Why is iQOO U3x better than Redmi Note 10S?

Refresh rate90 Hz vs 60 Hz+50%
5GYes · Redmi Note 10S: No
Screen size6.6″ vs 6.4″+2%
Process8 nm vs 12 nm+50%
Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%

Why is Redmi Note 10S better than iQOO U3x?

Main camera13 MP vs 64 MP4.9×
Wired charging18 W vs 33 W+83%
OLED panelNo · iQOO U3x: Yes
NFCNo · iQOO U3x: Yes
Stereo speakersNo · iQOO U3x: Yes
Memory card slotNo · iQOO U3x: Yes
Rear cameras1 vs 22×
Ultra-wide cameraNo · iQOO U3x: Yes
Weight186 g vs 179 g+4%
CPU frequency2 GHz vs 2.05 GHz+2%
Selfie camera8 MP vs 13 MP+62%
Main camera aperturef/2.2 vs f/1.8+22%

Specifications

Side by side

Only differences	Vivo iQOO U3x≈ $1706.0	Xiaomi Redmi Note 10S≈ $1706.4
Design
Weight	186 g	179 g
Thickness	8.4 mm	8.3 mm
Height	164.2 mm	160.5 mm
Width	75.4 mm	74.5 mm
Frame	—	Plastic
Back	—	Plastic
Ingress protection	—	IP53
Water resistance (IPx)	—	IPx3
Glass protection	—	Corning Gorilla Glass 3
Colours	Gray, Aurora	Deep Sea Blue (Ocean Blue), Shadow Black (Onyx Gray), (Frost White) Pebble White
Display
Screen size	6.6″	6.4″
Panel	IPS LCD	AMOLED
OLED panel	No	Yes
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,408 px	2,400 px
Pixel density	401 ppi	409 ppi
Refresh rate	90 Hz	60 Hz
Peak brightness	—	1,100 nits
Measured brightness	—	698 nits
Screen-to-body ratio	84.2%	83.5%
HDR	—	Yes
Performance
Chipset	Qualcomm SM4350 Snapdragon 480 5G	Mediatek MT6785V/CD Helio G95
Chip maker	Qualcomm	MediaTek
Process	8 nm	12 nm
CPU cores	8	8
CPU frequency	2 GHz	2.05 GHz
GPU	Adreno 619	Mali-G76 MC4
AnTuTu score	—	530,335
Geekbench 6 (multi-core)	—	1,908
3DMark Wild Life Extreme	—	422
Memory
RAM	8 GB	8 GB
Storage (max)	128 GB	128 GB
Storage (base)	64 GB	64 GB
Storage type	UFS 2.1	UFS 2.2
Memory card slot	No	Yes
Camera
Main camera	13 MP	64 MP
Main camera aperture	f/2.2	f/1.8
Main sensor size	—	1/1.97"
Rear cameras	1	2
Optical stabilisation	No	No
Ultra-wide camera	No	Yes
Telephoto camera	No	No
Max video	4K	4K
4K video frame rate	30 fps	30 fps
Selfie camera	8 MP	13 MP
4K selfie video	No	No
Battery
Battery capacity	5,000 mAh	5,000 mAh
Battery type	—	Li-Po
Wired charging	18 W	33 W
Charged in 30 min	—	43%
Wireless charging	No	No
Connectivity
5G	Yes	No
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 5
Bluetooth	5.1	5.1
NFC	No	Yes
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Infrared port	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS
Features
Stereo speakers	No	Yes
3.5 mm headphone jack	Yes	Yes
Fingerprint sensor	Side	Side
Sensors	Fingerprint (side-mounted), accelerometer, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, compass
SAR (head)	—	0.6 W/kg
Software
OS at launch	Android 11	Android 11
Platform	Android	Android
Interface	OriginOS 1.0 for iQOO	MIUI 14