Comparison of Realme X and Vivo U3

Comparison of Realme X and Vivo U3 [S]ave

Attribute	Vivo U3 ×	Realme X ×
General
Brand	Vivo	Realme
Launch
Announced	2019-10-01	2019-05-01
Body
Width (mm)	8.9	9.4
Length (mm)	162.2	161.2
Height (mm)	76.5	76
Weight (g)	193	191
SIM	Hybrid Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Front	Glass	Glass
Back	Plastic	Plastic
Frame	Plastic	Plastic
Network
Technology	CDMA GSM HSPA LTE	CDMA GSM HSPA LTE
2G bands	CDMA 800 & TD GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	CDMA 800 & TD GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 2100
4G bands	1, 3, 4, 5, 8, 34, 38, 39, 40, 41	1, 3, 4, 5, 8, 34, 38, 39, 40, 41
Speed	HSPA 42.2/5.76 Mbps LTE-A	HSPA 42.2/11.5 Mbps LTE-A (2CA) Cat6 300/75 Mbps
Platform
OS	Android 9.0 (Pie)	Android 9.0 (Pie)
Chipset	Qualcomm SDM675 Snapdragon 675 (11 nm)	Qualcomm SDM710 Snapdragon 710 (10 nm)
CPU	Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)	Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU	Adreno 612	Adreno 616
Memory
Card slot	microSDXC (uses shared SIM slot)	No
Internal	64GB 4GB RAM 64GB 6GB RAM	128GB 4GB RAM 128GB 8GB RAM 256GB 8GB RAM 64GB 4GB RAM 64GB 6GB RAM
Display
Size (in)	6.53	6.53
Resolution (px)	1080 x 2340	1080 x 2340
Protection	-	Corning Gorilla Glass 5
Display Type	LTPS IPS LCD	AMOLED
Battery
Type	Li-Po	Li-Po
Charging	Fast charging 18W, Reverse charging	Fast charging 20W, 55% in 30 min (advertised), VOOC 3.0
Capcity (mAh)	5000	3765
Main Camera
Main Camera Type	Triple	Dual
Main Camera Properties	16 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (macro) 8 MP, f/2.2, 13mm (ultrawide)	48 MP, f/1.7, (wide), 26mm (wide), 1/2.0", 0.8µm, PDAF 5 MP, f/2.4, (depth)
Main Camera Video	4K@30fps, 1080p@30fps	4K@30fps, 1080p@30fps (gyro-EIS), 1080p@120fps, 720p@960fps
Main Camera Features	LED flash, HDR, panorama	LED flash, HDR
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm	Motorized pop-up 16 MP, f/2.0, 25mm (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	5.0, A2DP, LE, aptX	5.0, A2DP, LE, aptX HD
GPS	+	+
NFC	-	-
Radio	FM radio	FM radio
USB	microUSB 2.0, USB On-The-Go	USB Type-C
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Fingerprint (rear-mounted) accelerometer compass gyro proximity	Fingerprint (under display accelerometer compass gyro optical) proximity
Misc
Colors	Black Blue Green	Punk Blue Steam white
Models	V1941A V1941T	RMX1901 RMX1903