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iQOO U1 vs Redmi Note 9 5G

Vivo iQOO U1 vs Xiaomi Redmi Note 9 5G

What iQOO U1 does better (2) and where Redmi Note 9 5G wins (10) — every spec side by side.

Vivo · 2020iQOO U1

4.6Score

2 advantages≈ $160

Xiaomi · 2020Redmi Note 9 5G

5.8Score

10 advantages≈ $180

Higher score

4.1Display3.6

5.0Camera6.3

3.0Battery4.6

3.5Features6.2

Dimensions

Size comparison

iQOO U1Redmi Note 9 5G

	iQOO U1	Redmi Note 9 5G	Difference
Height	162.1 mm	162 mm	+0.1 mm
Width	76.6 mm	77.3 mm	−0.7 mm
Thickness	8.5 mm	9.2 mm	−0.7 mm
Weight	190 g	199 g	−9 g

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

Why is iQOO U1 better than Redmi Note 9 5G?

Weight190 g vs 199 g+5%
Thickness8.5 mm vs 9.2 mm+8%

Why is Redmi Note 9 5G better than iQOO U1?

Storage (max)128 GB vs 256 GB2×
5GNo · iQOO U1: Yes
Stereo speakersNo · iQOO U1: Yes
Battery capacity4,500 mAh vs 5,000 mAh+11%
Memory card slotNo · iQOO U1: Yes
Rear cameras1 vs 22×
Ultra-wide cameraNo · iQOO U1: Yes
CPU frequency2.3 GHz vs 2.4 GHz+4%
Selfie camera8 MP vs 13 MP+62%
Process8 nm vs 7 nm+14%

Specifications

Side by side

Only differences	Vivo iQOO U1≈ $1604.6	Xiaomi Redmi Note 9 5G≈ $1805.8
Design
Weight	190 g	199 g
Thickness	8.5 mm	9.2 mm
Height	162.1 mm	162 mm
Width	76.6 mm	77.3 mm
Back	—	Plastic
Glass protection	—	Corning Gorilla Glass 5
Colours	Black, Blue, White	Gray, Green, Violet
Display
Screen size	6.5″	6.5″
Panel	IPS LCD	IPS LCD
OLED panel	No	No
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,340 px	2,340 px
Pixel density	395 ppi	395 ppi
Refresh rate	60 Hz	60 Hz
Peak brightness	—	450 nits
Screen-to-body ratio	84.3%	83.6%
Performance
Chipset	Qualcomm SM7125 Snapdragon 720G	Mediatek Dimensity 800U
Chip maker	Qualcomm	MediaTek
Process	8 nm	7 nm
CPU cores	8	8
CPU frequency	2.3 GHz	2.4 GHz
GPU	Adreno 618	Mali-G57 MC3
Memory
RAM	8 GB	8 GB
Storage (max)	128 GB	256 GB
Storage (base)	64 GB	64 GB
Storage type	UFS 2.1	UFS 2.2
Memory card slot	No	Yes
Camera
Main camera	48 MP	48 MP
Main camera aperture	f/1.8	f/1.8
Main sensor size	1/2.0"	1/2.0"
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	4,500 mAh	5,000 mAh
Battery type	—	Li-Po
Wired charging	18 W	18 W
Wireless charging	No	No
Connectivity
5G	No	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 5	Wi-Fi 5
Bluetooth	5.1	5.1
NFC	No	No
USB	microUSB 2.0	USB Type-C 2.0
USB version	—	2
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS, QZSS
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, proximity, compass
Software
OS at launch	Android 10	Android 10
Platform	Android	Android
Interface	—	MIUI 12