Comparison of Xiaomi Redmi 4 (4X) and Xiaomi Mi 4

Comparison of Xiaomi Redmi 4 (4X) and Xiaomi Mi 4 [S]ave

Attribute	Xiaomi Redmi 4 (4X) ×	Xiaomi Mi 4 ×
General
Brand	Xiaomi	Xiaomi
Launch
Announced	2017-05-01	2014-07-01
Body
Width (mm)	8.7	8.9
Length (mm)	139.2	139.2
Height (mm)	70	68.5
Weight (g)	150	149
SIM	Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)	Micro-SIM
Front	Glass	Glass
Back	Aluminum	Plastic
Frame	Aluminum	Aluminum
Network
Technology	GSM HSPA LTE	CDMA EVDO GSM HSPA LTE
2G bands	GSM 850 / 900 / 1800 / 1900	CDMA 800 / 1900 GSM 850 / 900 / 1800 / 1900 - all versions
3G bands	HSDPA 850 / 900 / 1900 / 2100	CDMA2000 1xEV HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model, Telecom 3G model TD-SCDMA - 4G model
4G bands	1, 3, 5, 7, 8, 38, 39, 40, 41	38, 39, 40
Speed	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/100 Mbps	EV-DO Rev.A 3.1 Mbps HSPA 42.2/5.76 Mbps LTE
Platform
OS	Android 6.0.1 (Marshmallow)	Android 4.4.3 (KitKat)
Chipset	Qualcomm MSM8940 Snapdragon 435 (28 nm)	Qualcomm MSM8974AC Snapdragon 801 (28 nm)
CPU	Octa-core 1.4 GHz Cortex-A53	Quad-core 2.5 GHz Krait 400
GPU	Adreno 505	Adreno 330
Memory
Card slot	microSDXC (uses shared SIM slot)	No
Internal	16GB 2GB RAM 16GB 3GB RAM 32GB 3GB RAM 64GB 3GB RAM 64GB 4GB RAM	16GB 2GB RAM 64GB 3GB RAM
Display
Size (in)	5	5
Resolution (px)	720 x 1280	1080 x 1920
Protection	Corning Gorilla Glass (unspecified version)	-
Display Type	IPS LCD	IPS LCD
Battery
Type	Li-Po	Li-Ion
Charging	-	Fast charging 18W, Quick Charge 2.0
Capcity (mAh)	4100	3080
Main Camera
Main Camera Type	Single	Single
Main Camera Properties	13 MP, f/2.0, PDAF	13 MP, f/1.8, 1/3.1", 1.12µm, AF
Main Camera Video	1080p@30fps	4K@30fps, 1080p@30fps, 720p@120fps, HDR
Main Camera Features	LED flash, HDR, panorama	LED flash, panorama, HDR
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	5 MP, f/2.2	8 MP, f/1.8
Selfie Camera Video	1080p@30fps	1080p@30fps
Comms
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth	4.2, A2DP, LE	4.0, A2DP
GPS	+	+
NFC	-	-
Radio	FM radio	FM radio
USB	microUSB 2.0	microUSB 2.0, USB On-The-Go
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Fingerprint (rear-mounted) accelerometer compass gyro proximity	Accelerometer barometer compass gyro proximity
Misc
Colors	Black Gold	Black White
Models	2016060 2016090 MAE136 MAG138 Redmi 4 Redmi 4X	2014215
SAR Head (W/kg)	0.77	0.71
SAR Body (W/kg)	0.83	0.85
Infrared port	Yes	Yes
Talk time (h)	Up to 36 h (3G)	-
Stand-by (h)	432	280
Music play (h)	87	-