vivo Y31 (2021) vs Realme 8i

Phones Images

PHONES
Phone Names	vivo Y31 (2021)	Realme 8i

Network
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 2100
4G bands	1, 3, 5, 8, 38, 40, 41	1, 3, 5, 8, 38, 40, 41
Speed	HSPA, LTE	HSPA, LTE
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE

Launch
Announced	2021, January 20	2021, September 09
Status	Available. Released 2021, January 20	Available. Released 2021, September 14

Body
Build	-	Glass front, plastic frame, plastic back
Dimensions	163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in)	164.1 x 75.5 x 8.5 mm (6.46 x 2.97 x 0.33 in)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Weight	188 g (6.63 oz)	194 g (6.84 oz)

Display
Resolution	1080 x 2408 pixels, 20:9 ratio (~401 ppi density)	1080 x 2412 pixels, 20:9 ratio (~400 ppi density)
Size	6.58 inches, 104.3 cm2 (~84.5% screen-to-body ratio)	6.6 inches, 104.8 cm2 (~84.6% screen-to-body ratio)
Type	IPS LCD	IPS LCD, 120Hz, 600 nits (peak)

Platform
CPU	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)	Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Chipset	Qualcomm SM6115 Snapdragon 662 (11 nm)	Mediatek MT6781 Helio G96 (12 nm)
GPU	Adreno 610	Mali-G57 MC2
OS	Android 11, Funtouch 11	Android 11, Realme UI 2.0

Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM	64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
	-	UFS 2.1

Main Camera
Features	LED flash, HDR, panorama	LED flash, HDR, panorama
Single	-	16 MP, f/2.1, (wide), 1/3.0", 1.0µm
Triple	48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 2 MP (macro) Auxiliary lens	50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64µm, PDAF 2 MP (macro) Auxiliary lens
Video	4K@30fps, 1080p@30fps, gyro-EIS	1080p@30fps

Selfie camera
Features	HDR	Panorama
Single	16 MP, f/2.0, (wide), 1/3.06" 1.0µm	16 MP, f/2.1, (wide), 1/3.0", 1.0µm
Video	1080p@30fps	1080p@30fps

Sound
3.5mm jack	-	Yes
35mm jack	Yes	Yes
Loudspeaker	Yes	Yes

Comms
Bluetooth	5.0, A2DP, LE	5.1, A2DP, LE
NFC	No	Yes (market/region dependent)
Positioning	GPS, GLONASS, GALILEO, BDS	GPS, GLONASS, GALILEO, BDS
Radio	FM radio	No
USB	USB Type-C 2.0, OTG	USB Type-C 2.0, OTG
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band

Features
Sensors	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Battery
Charging	18W wired, 70% in 67 min	18W wired
Type	5000 mAh	5000 mAh

Misc
Colors	Racing Black, Ocean Blue	Space Black, Space Purple
Models	V2036, V2036_21	RMX3151
Price	About 190 EUR	About 440 EUR

Tests
Battery life	-	Endurance rating 131h
Camera	-	Photo / Video
Loudspeaker	-	-28.4 LUFS (Average)

OUR TESTS
Battery (old)	-	Endurance rating 131h
Camera	-	Photo / Video
Display	-	1244:1 contrast ratio, 540 nits max brightness (measured)
Loudspeaker	-	-28.4 LUFS (Average)