ZTE Blade A31 vs Xiaomi Redmi Note 9 Comparison and Differences

Smartphone 1

ZTE Blade A31

ZTE Blade A31

Smartphone 2

Xiaomi Redmi Note 9

Xiaomi Redmi Note 9

Smartphone 3

ZTE Blade A31 or Xiaomi Redmi Note 9 Specs Comparison

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Common specs

Brand and model	ZTE Blade A31	Xiaomi Redmi Note 9
Rating	(+)	(+)
Release date	2021, July 13	2020, April 30
Dimensions (HxWxD)	140 x 71 x 8.9 mm \| 5.51 x 5.51 x 2.8 in	162.3 x 77.2 x 8.9 mm \| 6.39 x 6.39 x 3.04 in
Weight	166 g \| 5.86 oz	199 g \| 7.02 oz
Body Build	Plastic	Glass front (Gorilla Glass 5), plastic frame
Case	buy from Amazon	buy from Amazon
Colors	Blue, Gray	Forest Green, Midnight Grey, Polar White
Battery	3000 mAh, Li-Ion, non-removable	5020 mAh, Non-removable Li-Po
Approximate price	$ 93	$ 150
Check price	from Amazon	from Amazon

Screen

Technology	LCD IPS	IPS LCD
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen size	5.45" in	6.53" in
Screen area	76.7 cm²	104.7 cm²
Screen format	18:9 (height:width)	19.5:9 (height:width)
Screen to body ratio	77.1%	83.5%
Screen resolution	720 x 1440 px	1080 x 2340 px
Screen PPI /points per inch/	295 PPI	395 PPI
Screen protection		Corning Gorilla Glass 5
Other specs		- 450 nits typ. brightness (advertised)
Screen protector	buy from Amazon	buy from Amazon

Camera and Video

Rear camera, main	8 MP, Single	48 MP, Quad
Camera specs	-8 MP, (wide), 0.80 µm	-48 MP, f/1.8, 26mm (wide), 1/2.0'', 0.8µm, PDAF -8 MP, f/2.2, 118° (ultrawide), 1/4.0'', 1.12µm -2 MP, f/2.4, (macro), AF -2 MP, f/2.4, (depth)
Functions	LED flash, HDR	LED flash, HDR, panorama
Video	720p@30fps	1080p@30fps
Front camera, selfie	2 MP, Single	13 MP, Single
Specifications	2 MP (up-scaled to 5 MP)	13 MP, f/2.3, 29mm (standart), 1/3.1'', 1.12µm
Functions		HDR, panorama
Video		1080p@30fps

Performance

Operating system - OS	Android 11 (Go edition)	Android 10; MIUI 11
Chipset	- Unisoc SC9863A (28nm)	- MediaTek Helio G85 (12nm)
CPU	- Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)	- Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU	IMG8322	Mali-G52 MC2
External memory	microSDXC	microSDXC (dedicated slot)
Internal memory	32GB 2GB RAM	64GB 3GB RAM, 128GB 4GB RAM

Benchmark

Antutu 8 Total	101305	205832
GeekBench 5 Single Core	149	365
GeekBench 5 Multi-Core	817	1355

Communication and Connectivity

SIM card	Dual SIM, dual stand-by (Nano SIM + Nano SIM)	Dual SIM (Nano-SIM, dual stand-by)
Network	GSM / HSPA / LTE	GSM / HSPA / LTE
Bands	-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - 1, 2, 3, 5, 7, 8, 20, 28, 38	-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Speed	HSPA, LTE	HSPA 42.2/5.76 Mbps, LTE-A
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
GPS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC	Yes	Yes (market/region dependent)M2003J15SG (Yes); M20
USB	microUSB 2.0	2.0, Type-C 1.0 reversible connector
Bluetooth	4.2, A2DP, LE	5.0, A2DP, LE
Harmful irradiation		SAR - 0.84 W/kg (head) 0.90 W/kg (body) SAR EU - 0.80 W/kg (head) 1.14 W/kg (body)

Music and Audio

Radio	FM radio
Headphone jack	Yes	Yes

Other features

Sensors	- Accelerometer , Infrared port	- Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass , Infrared port
Other extras		- Fast charging 18W -Reverse charging 9W - Splash-proof coating

Reviews and Opinions on ZTE Blade A31 and Xiaomi Redmi Note 9

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