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Network	Technology	GSM / HSPA	GSM / HSPA	GSM / HSPA / LTE
	2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
	3G bands	HSDPA 900 / 2100 - WT19i	HSDPA 900 / 2100	HSDPA 850 / 900 / 2100
		HSDPA 850 / 1900 / 2100 - WT19a	HSDPA 850 / 1900 / 2100
	4G bands			1, 3, 5, 8, 38, 40, 41 - India
				1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - EMEA
	Speed	HSPA 7.2/5.76 Mbps	HSPA 7.2/2 Mbps	HSPA 42.2/11.5 Mbps, LTE-A

Launch	Announced	2011, August. Released 2011, October	2011, April. Released 2011, May	2019, August 20
	Status	Discontinued	Discontinued	Available. Released 2019, September

Body	Dimensions	106 x 56.5 x 14.2 mm (4.17 x 2.22 x 0.56 in)	99 x 54 x 15 mm (3.90 x 2.13 x 0.59 in)	157 x 74.2 x 8.9 mm (6.18 x 2.92 x 0.35 in)
	Weight	115 g (4.06 oz)	104 g (3.67 oz)	184 g (6.49 oz)
	Build			Glass front (Gorilla Glass 3+), plastic back, plastic frame
	SIM	Mini-SIM	Mini-SIM	Dual SIM (Nano-SIM, dual stand-by)
				Weather-sealed ports & loudspeaker

Display	Type	TFT	TFT	IPS LCD, 450 nits (typ)
	Size	3.2 inches, 30.5 cm2 (~50.9% screen-to-body ratio)	3.0 inches, 26.8 cm2 (~50.1% screen-to-body ratio)	6.3 inches, 97.4 cm2 (~83.6% screen-to-body ratio)
	Resolution	320 x 480 pixels, 3:2 ratio (~180 ppi density)	320 x 480 pixels, 3:2 ratio (~192 ppi density)	1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
	Protection	Scratch-resistant glass	Scratch-resistant glass	Corning Gorilla Glass 3+
			Timescape UI

Platform	OS	Android 2.3 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)	Android 2.1 (Eclair)	Android 9.0 (Pie), upgradable to Android 10, Realme UI
	Chipset	Qualcomm MSM8255 Snapdragon S2	Qualcomm MSM7227 Snapdragon S1	Qualcomm SDM712 Snapdragon 712 (10 nm)
	CPU	1.0 GHz Scorpion	600 MHz ARM 11	Octa-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
	GPU	Adreno 205	Adreno 200	Adreno 616

Memory	Card slot	microSDHC (dedicated slot), 2 GB included	microSDHC (dedicated slot)	microSDXC (dedicated slot)
	Internal	320MB 512MB RAM	128MB 168MB RAM	64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 8GB RAM
				UFS 2.1

Main Camera	Modules	5 MP, AF	3.15 MP	48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide) 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)
	Features	LED flash		LED flash, HDR, panorama
	Video	720p	480p@30fps	4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS

Selfie Camera	Modules	VGA	No	16 MP, f/2.0, 25mm (wide), 1/3.06", 1.0µm
	Features			HDR, panorama
	Video			1080p@30fps

Sound	Loudspeaker	Yes, with stereo speakers	Yes	Yes
	3.5mm jack	Yes	Yes	Yes

Comms	WLAN	Wi-Fi 802.11 b/g/n, DLNA, hotspot	Wi-Fi 802.11 b/g	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
	Bluetooth	2.1, A2DP, EDR	2.1, A2DP	5.0, A2DP, LE
	GPS	Yes, with A-GPS	Yes, with A-GPS	Yes, with A-GPS, GLONASS, GALILEO, BDS
	NFC			No
	Infrared port	No	No	No
	Radio	Stereo FM radio, RDS	Stereo FM radio, RDS	FM radio
	USB	microUSB 2.0, USB On-The-Go	microUSB 2.0	USB Type-C 2.0, USB On-The-Go

Features	Sensors	Accelerometer, proximity, compass	Accelerometer, proximity, compass	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
		ANT+ MP4/H.264/WMV player MP3/eAAC+/WMA/WAV player TrackID music recognition Document editor Voice memo Predictive text input	Walkman player MP4/H.264/WMV player MP3/eAAC+/WMA/WAV player TrackID music recognition Voice memo Predictive text input

Battery	Type	Removable Li-Ion 1200 mAh battery	Removable Li-Po 1200 mAh battery	Li-Po 4035 mAh, non-removable
	Charging			Fast charging 20W, 50% in 30 min (advertised) VOOC 3.0
	Stand-by	Up to 350 h (2G) / Up to 400 h (3G)	Up to 446 h (2G) / Up to 476 h (3G)
	Talk time	Up to 14 h 15 min (2G) / Up to 6 h 42 min (3G)	Up to 4 h 45 min
	Music play	Up to 17 h 30 min	Up to 23 h 40 min

Misc
	Colors	Black, White	Azure, Orange, Red	Crystal Green, Crystal Blue, Chroma White
	SAR EU	1.00 W/kg (head)
	Models			RMX1971
	Price	About 120 EUR	About 100 EUR	£ 128.00 / € 238.64 / ₹ 14,990

Tests	Performance			AnTuTu: 182765 (v7) GeekBench: 6106 (v4.4) GFXBench: 12fps (ES 3.1 onscreen)
	Display		Contrast ratio: 737:1 (nominal)	Contrast ratio: 1875:1 (nominal)
	Camera	Compare PHOTO / Compare VIDEO
	Loudspeaker	Voice 75dB / Noise 68dB / Ring 78dB	Voice 66dB / Noise 62dB / Ring 69dB	Voice 66dB / Noise 72dB / Ring 85dB
	Audio quality	Noise -88.1dB / Crosstalk -87.9dB	Noise -86.8dB / Crosstalk -84.1dB	Noise -93.3dB / Crosstalk -92.0dB
	Battery life			100h endurance rating