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Specifications

	Compare with Realme X3	Compare with Samsung Galaxy M51
Full Differences Change compare mode	Preview Specs	Review Specs

Realme X3

Samsung Galaxy M51

Our video review on Youtube

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network	1, 3, 5, 8, 38, 39, 40, 41	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
Speed	HSPA, LTE	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps

Launch
Announced	2020, June 25	2020, August 31
Status	Available. Released 2020, June 30	Available. Released 2020, September 11

Body
Dimensions	163.8 x 75.8 x 8.9 mm (6.45 x 2.98 x 0.35 in)	163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in)
Weight	202 g (7.13 oz)	213 g (7.51 oz)
Build	Glass front (Gorilla Glass 5), glass back, plastic frame	Glass front (Gorilla Glass 3+), plastic back, plastic frame
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM

Display
Type	IPS LCD, 120Hz	Super AMOLED Plus
Size	6.6 inches, 105.2 cm² (~84.7% screen-to-body ratio)	6.7 inches, 108.4 cm² (~86.7% screen-to-body ratio)
Resolution	1080 x 2400 pixels, 20:9 ratio (~399 ppi density)	1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Protection	Corning Gorilla Glass 5	Corning Gorilla Glass 3+

Platform
OS	Android 10, upgradable to Android 11, Realme UI 2.0	Android 10, upgradable to Android 12, One UI 4.1
Chipset	Qualcomm SM8150 Snapdragon 855+ (7 nm)	Qualcomm SDM730 Snapdragon 730G (8 nm)
CPU	Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)	Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU	Adreno 640 (700 MHz)	Adreno 618

Memory
Card slot	No	microSDXC (dedicated slot)
Internal	128GB 6GB RAM, 128GB 8GB RAM	128GB 6GB RAM, 128GB 8GB RAM
	UFS 3.0

Main Camera
Modules	64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 12 MP, f/2.5, 51mm (telephoto), PDAF, 2x optical zoom 8 MP, f/2.3, 119˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro)	64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth)
Features	LED flash, HDR, panorama	LED flash, panorama, HDR
Video	4K@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS	4K@30fps, 1080p@30fps

Selfie Camera
Modules	16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 8 MP, f/2.2, 105˚ (ultrawide), 1/4.0", 1.12µm	32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Features	Panorama	HDR
Video	1080p@30fps, gyro-EIS	4K@30fps, 1080p@30fps

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Sound
Loudspeaker	Yes	Yes
3.5mm jack	No	Yes
	24-bit/192kHz Hi-Res audio

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	5.0, A2DP, LE
Positioning	GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS	GPS, GLONASS, GALILEO, BDS
NFC	No	Yes
Infrared port	No	No
Radio	No	FM radio, RDS
USB	USB Type-C 2.0	USB Type-C 2.0, OTG

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

Battery
Type	4200 mAh	Li-Po 7000 mAh
Charging	30W wired, 100% in 55 min	25W wired, 100% in 115 min Reverse wired

Misc
Colors	Glacier Blue, Arctic White	Celestial Black, Electric Blue, White
SAR		1.38 W/kg (head)
SAR EU		0.61 W/kg (head) 1.45 W/kg (body)
Models	RMX2142, RMX2081, RMX2085, RMX2083	SM-M515F, SM-M515F/DSN
Price	About 290 EUR	About 470 EUR

Tests
Performance		AnTuTu: 266620 (v8) GeekBench: 1774 (v5.1) GFXBench: 15fps (ES 3.1 onscreen)
Display		677 nits max brightness (measured)
Loudspeaker		-28.5 LUFS (Average)
Battery (old)		Endurance rating 156h

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