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Realme X

vivo V15 Pro

Network
Technology	GSM / CDMA / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
	CDMA 800 & TD-SCDMA - China
3G Network	HSDPA 850 / 900 / 1700(AWS) / 2100	HSDPA 850 / 900 / 1900 / 2100
		HSDPA 850 / 900 / 2100 - India
4G Network	1, 3, 4, 5, 8, 34, 38, 39, 40, 41	1, 3, 5, 7, 8, 20
		1, 3, 5, 8, 38, 40, 41 - India
Speed	HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/75 Mbps	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/50 Mbps

Launch
Announced	2019, May	2019, February
Status	Available. Released 2019, July	Available. Released 2019, March

Body
Dimensions	161.2 x 76 x 9.4 mm (6.35 x 2.99 x 0.37 in)	157.3 x 74.7 x 8.2 mm (6.19 x 2.94 x 0.32 in)
Weight	191 g (6.74 oz)	185 g (6.53 oz)
Build	Glass front (Gorilla Glass 5), plastic back, plastic frame	Glass front, plastic back, plastic frame
SIM	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)

Display
Type	AMOLED	Super AMOLED
Size	6.53 inches, 105.2 cm2 (~85.9% screen-to-body ratio)	6.39 inches, 99.7 cm2 (~84.9% screen-to-body ratio)
Resolution	1080 x 2340 pixels, 19.5:9 ratio (~394 ppi density)	1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
Protection	Corning Gorilla Glass 5

Platform
OS	Android 9.0 (Pie), upgradable to Android 10, Realme UI	Android 9.0 (Pie), Funtouch 9
Chipset	Qualcomm SDM710 Snapdragon 710 (10 nm)	Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU	Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)	Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU	Adreno 616	Adreno 612

Memory
Card slot	No	microSDXC (dedicated slot)
Internal	64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM	128GB 6GB RAM, 128GB 8GB RAM
	UFS 2.1	eMMC 5.1

Main Camera
Modules	48 MP, f/1.7, (wide), 26mm (wide), 1/2.0", 0.8µm, PDAF 5 MP, f/2.4, (depth)	48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.4, (depth)
Features	LED flash, HDR	LED flash, HDR, panorama
Video	4K@30fps, 1080p@30fps (gyro-EIS), 1080p@120fps, 720p@960fps	4K@30fps, 1080p@30/60fps

Selfie Camera
Modules	Motorized pop-up 16 MP, f/2.0, 25mm (wide), 1/3.06", 1.0µm	Motorized pop-up 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Features	HDR	HDR
Video	1080p@30fps	1080p@30fps

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes

Comms
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, Wi-Fi Direct
Bluetooth	5.0, A2DP, LE, aptX HD	5.0, A2DP, LE, EDR, aptX
Positioning	GPS, GLONASS, BDS	GPS, GLONASS, BDS
NFC	No	Yes (market dependent)
Infrared port	No	No
Radio	FM radio	FM radio
USB	USB Type-C	microUSB 2.0

Features
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Battery
Type	3765 mAh, non-removable	3700 mAh, non-removable
Charging	20W wired, 55% in 30 min (advertised)	18W wired, 24% in 15 min (advertised)

Misc
Colors	Steam white, Punk Blue	Topaz Blue, Coral Red, Ruby Red
Models	RMX1901, RMX1903	1818, vivo 1818
Price	About 160 EUR	About 360 EUR

Tests
Performance	GeekBench: 5915 (v4.4)	AnTuTu: 180774 (v7) GeekBench: 6527 (v4.4) GFXBench: 7.1fps (ES 3.1 onscreen)
Display	Contrast ratio: Infinite (nominal)	Contrast ratio: infinite, 3.806 (sunlight)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	-28.7 LUFS (Average)	Voice 65dB / Noise 74dB / Ring 83dB
Audio quality	Noise -92.9dB / Crosstalk -93.3dB	Noise -93.4dB / Crosstalk -92.2dB
Battery (old)	Endurance rating 86h	Endurance rating 92h