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Xiaomi Redmi Note 4

Asus Zenfone 4 ZE554KL

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1800 / 1900 / 2100
		HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - North America, Brazil
		HSDPA 850 / 900 / 2100 - India, Indonesia
4G Network	1, 3, 4, 5, 7, 8, 20, 38, 40	1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41
		1, 2, 3, 4, 5, 7, 8, 12, 17, 28 - North America, Brazil
		1, 3, 5, 7, 8, 20, 40 - India, Indonesia
Speed	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 Mbps

Launch
Announced	2017, January	2017, August
Status	Available. Released 2017, January	Available. Released 2017, October

Body
Dimensions	151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in)	155.4 x 75.2 x 7.7 mm (6.12 x 2.96 x 0.30 in)
Weight	165 g (5.82 oz)	165 g (5.82 oz)
Build	Glass front, aluminum back, aluminum frame	Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
SIM	Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)	Hybrid Dual SIM (Nano-SIM, dual stand-by)

Display
Type	IPS LCD	IPS LCD
Size	5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio)	5.5 inches, 83.4 cm2 (~71.4% screen-to-body ratio)
Resolution	1080 x 1920 pixels, 16:9 ratio (~401 ppi density)	1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection		Corning Gorilla Glass 3

Platform
OS	Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 11	Android 7.1.1 (Nougat), ZenUI 4
Chipset	Qualcomm MSM8953 Snapdragon 625 (14 nm)	Qualcomm SDM630 Snapdragon 630 (14 nm) Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU	Octa-core 2.0 GHz Cortex-A53	Octa-core (4x2.2 GHz Cortex-A53 & 4x1.8 GHz Cortex A53) Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU	Adreno 506	Adreno 508 Adreno 512

Memory
Card slot	microSDXC (uses shared SIM slot)	microSDXC (uses shared SIM slot)
Internal	32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM	64GB 4GB RAM, 64GB 6GB RAM
	eMMC 5.1	eMMC 5.1

Main Camera
Modules	13 MP, f/2.0, 1/3.1", 1.12µm, PDAF	12 MP, f/1.8, 25mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS 8 MP, 12mm (ultrawide), 1/4.0", 1.12µm, no AF
Features	Dual-LED dual-tone flash, panorama, HDR	Dual-LED dual-tone flash, HDR, panorama
Video	1080p@30fps, 720p@120fps	4K@30fps

Selfie Camera
Modules	5 MP, f/2.0	8 MP, f/2.0, 24mm (wide)
Features		HDR, panorama
Video	1080p@30fps	1080p@30fps

Sound
Loudspeaker	Yes	Yes, dual speakers
3.5mm jack	Yes	Yes
	24-bit/192kHz audio	24-bit/192kHz audio

Comms
WLAN	Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth	4.1, A2DP, LE	5.0, A2DP, EDR, LE
Positioning	GPS, GLONASS, BDS	GPS, GLONASS, BDS, GALILEO
NFC	No	Yes
Infrared port	Yes	No
Radio	FM radio	FM radio
USB	microUSB 2.0, OTG	USB Type-C 2.0, OTG

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

Battery
Type	Li-Po 4100 mAh, non-removable	Li-Ion 3300 mAh, non-removable
Charging		18W wired

Misc
Colors	Dark Gray, Gold, Black, Lake Blue	Moonlight white, Mint Green, Midnight Black
SAR EU	0.72 W/kg (head)     0.67 W/kg (body)
Models	2016100	Z01KD, Z01KDA, Z01KS
Price	About 150 EUR	About 350 EUR

Tests
Performance	GFXBench: 3.4fps (ES 3.1 onscreen)	AnTuTu: 86978 (v7) GeekBench: 4145 (v4.4) GFXBench: 5.3fps (ES 3.1 onscreen)
Display	Contrast ratio: 1503:1 (nominal), 2.714 (sunlight)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	Voice 67dB / Noise 70dB / Ring 81dB
Audio quality	Noise -94.6dB / Crosstalk -94.3dB
Battery (old)	Endurance rating 119h