Realme X2 vs Samsung Galaxy A51

Price Comparison (India)

Manufacturer
Realme	Samsung
Announced
Released 2019, September	December 2019
Status
Coming Soon - December 17, 2019	Coming Soon - December 12, 2019
Price
Rs. 16,999 ($0.00) [Similarly Priced]	Rs. 23,999 ($0.00) [Similarly Priced]
Colors
Pearl White, Pearl Blue	Prism Crush White, Black, Pink, Blue
Form Factor
Candybar	Candybar
Dimension
158.7 × 75.2 × 8.6 mm (6.25 × 2.96 × 0.34 in)	158.4 x 73.7 x 7.9 mm (6.24 x 2.9 x 0.31 in)
Weight
182 g (6.42 oz)	172 g (6.07 oz)
SIM Type
Dual SIM (Nano-SIM, dual stand-by)	Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network
HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network
LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)	LTE (unspecified)
Messaging

Build Features
- Fingerprint Sensor(In-display)	- Fingerprint Sensor(In-display)

OS
Android 9.0 (Pie), planned upgrade to Android 10.0	Android 9.0 (Pie)
User Interface
ColorOS 6	One UI
Processor
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730G (8 nm) [Similar]	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) [Similar]
GPU
Adreno 618 [Similar]	Mali-G72 MP3 [Similar]
RAM
8GB [Browse Similar]	8 GB [Browse Similar]
Internal Memory
128GB	128 GB
External Memory
microSD, up to 256 GB (dedicated slot)	microSD, up to 512 GB (dedicated slot)

Type
Full HD+ Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5	Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen
Colors
16M colors	16M colors
Size
6.4 inches [Similar]	6.5 inches [Similar]
Resolution
1080 x 2340 pixels (403 ppi)	1080 x 2340 pixels (396 ppi)
Screen-to-Body Ratio
-	89.06%
Multi-Touch

Rear Camera
64 MP + 8 MP + 2 MP + 2 MP [Similar]	48 MP + 12 MP + 5 MP + 5 MP [Similar]
Flash
LED Flash	LED Flash
Features
64 MP, f/1.8, (wide), 1/1.7", 0.8µm, PDAF 8 MP, f/2.3, 13mm (ultrawide), 1/4", 1.12µm 2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) 2 MP, f/2.4, 1/5", 1.75µm, depth sensor HDR, panorama	48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 12 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor 5 MP, f/2.4, macro camera Panorama, HDR
Video
2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS	2160p@30fps, 1080p@30fps
Front Camera
32 MP, f/2.0, 0.8µm HDR, 1080p@30fps [Similar]	32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar]

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA 42.2/11.5 Mbps, LTE-A	HSPA, LTE-A
Bluetooth
5.0, A2DP, LE	5.0, A2DP, LE
Wi-Fi
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
USB
2.0, Type-C 1.0 reversible connector	2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS	Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser
	Yes

Internal
128GB, 8GB RAM or 128GB, 6GB RAM or 64GB, 4GB RAM (UFS2.1)	128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Storage
microSD, up to 256 GB (dedicated slot)	microSD, up to 512 GB (dedicated slot)
USB OTG
Not Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Po Battery Fast battery charging 30W: 67% in 30 min (VOOC Flash Charge 3.0)	Non-removable Li-Po Battery Fast battery charging 15W
Capacity
4000 mAh	4000 mAh
Stand by
-	-
Talk Time
-	-