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Zero 8i vs Redmi Note 9 5G

Infinix Zero 8i vs Xiaomi Redmi Note 9 5G

What Zero 8i does better (8) and where Redmi Note 9 5G wins (8) — every spec side by side.

Infinix · 2020Zero 8i

5.3Score

8 advantages≈ $180

Xiaomi · 2020Redmi Note 9 5G

5.8Score

8 advantages≈ $180

Higher score

5.3Display3.6

6.5Camera6.3

4.2Battery4.6

2.4Features6.2

Dimensions

Size comparison

Zero 8iRedmi Note 9 5G

	Zero 8i	Redmi Note 9 5G	Difference
Height	168.7 mm	162 mm	+6.7 mm
Width	76.1 mm	77.3 mm	−1.2 mm
Thickness	9.1 mm	9.2 mm	−0.1 mm
Weight	210 g	199 g	+12 g

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

Why is Zero 8i better than Redmi Note 9 5G?

Wired charging33 W vs 18 W+83%
Refresh rate90 Hz vs 60 Hz+50%
Storage (base)128 GB vs 64 GB2×
4K selfie videoYes · Redmi Note 9 5G: No
Peak brightness480 nits vs 450 nits+7%
Screen size6.8″ vs 6.5″+5%
Selfie camera16 MP vs 13 MP+23%
Screen-to-body ratio86.8% vs 83.6%+4%

Why is Redmi Note 9 5G better than Zero 8i?

Storage (max)128 GB vs 256 GB2×
5GNo · Zero 8i: Yes
Stereo speakersNo · Zero 8i: Yes
Battery capacity4,500 mAh vs 5,000 mAh+11%
CPU frequency2.05 GHz vs 2.4 GHz+17%
Weight210 g vs 199 g+6%
Process12 nm vs 7 nm+71%
Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%

Specifications

Side by side

Only differences	Infinix Zero 8i≈ $1805.3	Xiaomi Redmi Note 9 5G≈ $1805.8
Design
Weight	210 g	199 g
Thickness	9.1 mm	9.2 mm
Height	168.7 mm	162 mm
Width	76.1 mm	77.3 mm
Back	—	Plastic
Glass protection	—	Corning Gorilla Glass 5
Colours	Silver Diamond, Black Diamond	Gray, Green, Violet
Display
Screen size	6.8″	6.5″
Panel	IPS LCD	IPS LCD
OLED panel	No	No
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,460 px	2,340 px
Pixel density	392 ppi	395 ppi
Refresh rate	90 Hz	60 Hz
Peak brightness	480 nits	450 nits
Screen-to-body ratio	86.8%	83.6%
Performance
Chipset	Mediatek MT6785 Helio G90T	Mediatek Dimensity 800U
Chip maker	MediaTek	MediaTek
Process	12 nm	7 nm
CPU cores	8	8
CPU frequency	2.05 GHz	2.4 GHz
GPU	Mali-G76 MC4	Mali-G57 MC3
Memory
RAM	8 GB	8 GB
Storage (max)	128 GB	256 GB
Storage (base)	128 GB	64 GB
Storage type	UFS 2.1	UFS 2.2
Memory card slot	Yes	Yes
Camera
Main camera	48 MP	48 MP
Main camera aperture	f/1.8	f/1.8
Main sensor size	—	1/2.0"
Rear cameras	2	2
Optical stabilisation	No	No
Ultra-wide camera	Yes	Yes
Telephoto camera	No	No
Max video	4K	4K
4K video frame rate	30 fps	30 fps
Selfie camera	16 MP	13 MP
4K selfie video	Yes	No
Battery
Battery capacity	4,500 mAh	5,000 mAh
Battery type	—	Li-Po
Wired charging	33 W	18 W
Wireless charging	No	No
Connectivity
5G	No	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 4	Wi-Fi 5
Bluetooth	5	5.1
NFC	No	No
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Satellite navigation	—	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, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)	0.4 W/kg	—
Software
OS at launch	Android 10	Android 10
Platform	Android	Android
Interface	—	MIUI 12