Comparison of Vivo Y51 (2020, September) and Vivo iQOO U1

Comparison of Vivo Y51 (2020, September) and Vivo iQOO U1 [S]ave

Attribute	Vivo iQOO U1 ×	Vivo Y51 (2020, September) ×
General
Brand	Vivo	Vivo
Launch
Announced	2020-07-16	2020-09-15
Body
Width (mm)	8.5	8.7
Length (mm)	162.1	159.3
Height (mm)	76.6	75.2
Weight (g)	190	186.7
SIM	Dual SIM (Nano-SIM, dual stand-by)	Hybrid Dual SIM (Nano-SIM, dual stand-by)
Network
Technology	CDMA GSM HSPA LTE	GSM HSPA LTE
2G bands	CDMA 800 & TD GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 2100
4G bands	1, 3, 5, 8, 34, 38, 39, 40, 41	1, 3, 5, 8, 40
Speed	HSPA 42.2/5.76 Mbps LTE-A	HSPA 42.2/5.76 Mbps LTE-A
Platform
OS	Android 10	Android 10
Chipset	Qualcomm SM7125 Snapdragon 720G (8 nm)	Qualcomm SDM665 Snapdragon 665 (11 nm)
CPU	Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU	Adreno 618	Adreno 610
Memory
Card slot	No	microSDXC (uses shared SIM slot)
Internal	128GB 6GB RAM 128GB 8GB RAM 64GB 6GB RAM	128GB 4GB RAM
Display
Size (in)	6.53	6.38
Resolution (px)	1080 x 2340	1080 x 2340
Display Type	IPS LCD	Super AMOLED
Battery
Type	Li-Po	Li-Po
Charging	Fast charging 18W	Fast charging 18W
Capcity (mAh)	4500	4500
Main Camera
Main Camera Type	Triple	Quad
Main Camera Properties	2 MP, f/2.4, (depth) 2 MP, f/2.4, (macro) 48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF	2 MP, f/2.4, (depth) 2 MP, f/2.4, (macro) 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm
Main Camera Video	4K@30fps, 1080p@30fps, gyro-EIS	1080p@30fps, gyro-EIS
Main Camera Features	LED flash, HDR, panorama	LED flash, HDR, panorama
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	8 MP, f/2.1, (wide)	16 MP, f/2.0, (wide), 1/3.06" 1.0µm
Selfie Camera Video	1080p@30fps	1080p@30fps
Selfie Camera Features	HDR	HDR
Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth	5.1, A2DP, LE, aptX HD	5.0, A2DP, LE
GPS	+	+
NFC	-	-
Radio	No	FM radio
USB	microUSB 2.0, USB On-The-Go	USB Type-C 2.0, USB On-The-Go
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Fingerprint (side-mounted) accelerometer compass proximity	Fingerprint (under display accelerometer compass gyro optical) proximity
Misc
Colors	Black Blue White	Dreamy White Jazzy Blue Mystic Black