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	Compare with Please enter model name or part of it Xiaomi Redmi 9	Compare with Please enter model name or part of it Xiaomi Redmi 4 (4X)
Full Differences Change compare mode	Review Specs 32GB 3GB RAM $ 144.99	Review Specs

Xiaomi Redmi 9

Xiaomi Redmi 4 (4X)

Network
Technology	GSM / 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
3G Network	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network	1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41	1, 3, 5, 7, 8, 38, 39, 40, 41
Speed	HSPA 42.2/5.76 Mbps, LTE-A	HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/100 Mbps

Launch
Announced	2020, June 10	2017, May
Status	Available. Released 2020, June 10	Available. Released 2017, May

Body
Dimensions	163.3 x 77 x 9.1 mm (6.43 x 3.03 x 0.36 in)	139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in)
Weight	198 g (6.98 oz)	150 g (5.29 oz)
Build	Glass front (Gorilla Glass 3), plastic back, plastic frame	Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends
SIM	Dual SIM (Nano-SIM, dual stand-by)	Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)

Display
Type	IPS LCD, 400 nits (typ)	IPS LCD
Size	6.53 inches, 104.7 cm² (~83.2% screen-to-body ratio)	5.0 inches, 68.9 cm² (~70.7% screen-to-body ratio)
Resolution	1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)	720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection	Corning Gorilla Glass 3	Corning Gorilla Glass (unspecified version)

Platform
OS	Android 10, MIUI 11	Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11
Chipset	Mediatek Helio G80 (12 nm)	Qualcomm MSM8940 Snapdragon 435 (28 nm)
CPU	Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)	Octa-core 1.4 GHz Cortex-A53
GPU	Mali-G52 MC2	Adreno 505

Memory
Card slot	microSDXC (dedicated slot)	microSDXC (uses shared SIM slot)
Internal	32GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM	16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
	eMMC 5.1	eMMC 5.1

Main Camera
Modules	13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)	13 MP, f/2.0, PDAF
Features	LED flash, HDR, panorama	LED flash, HDR, panorama
Video	1080p@30fps	1080p@30fps

Selfie Camera
Modules	8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm	5 MP, f/2.2
Features	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, hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth	5.0, A2DP, LE	4.2, A2DP, LE
GPS	Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS, GLONASS, BDS
NFC	Yes (market/region dependent)	No
Infrared port	Yes	Yes
Radio	Wireless FM radio (no wired headphones required)	FM radio
USB	USB Type-C 2.0, USB On-The-Go	microUSB 2.0

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

Battery
Type	Li-Po 5020 mAh, non-removable	Li-Po 4100 mAh, non-removable
Charging	Fast charging 18W
Stand-by		Up to 432 h (3G)
Talk time		Up to 36 h (3G)
Music play		Up to 87 h

Misc
Colors	Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue	Black, Gold
SAR	0.91 W/kg (head) 1.00 W/kg (body)	0.77 W/kg (head) 0.83 W/kg (body)
SAR EU	0.71 W/kg (head) 1.06 W/kg (body)
Models	M2004J19G, M2004J19C	2016060, 2016090, MAG138, MAE136
Price	$ 121.99 / € 126.00 / £ 112.80 / ₹ 8,999	About 110 EUR

Tests
Performance	AnTuTu: 201829 (v8) GeekBench: 1325 (v5.1)	GeekBench: 1819 (v4.4) GFXBench: 5.1fps (ES 3.1 onscreen)
Display	Contrast ratio: 1624:1 (nominal)	Contrast ratio: 915 (nominal), 2.920 (sunlight)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	-26.9 LUFS (Good)	Voice 64dB / Noise 70dB / Ring 72dB
Audio quality		Noise -94.3dB / Crosstalk -94dB
Battery life	Endurance rating 131h	Endurance rating 80h

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