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	Compare with Xiaomi Mi A1 (Mi 5X)	Compare with Xiaomi Redmi 4 (4X)
Full Differences Change compare mode	Review Specs ALL VERSIONSGLOBAL - Global marketINDIA - IndiaRUSSIA - RussiaVIETNAM - VietnamHONG KONG - Hong KongINDONESIA - IndonesiaMI 5X (CHINA) - China	Review Specs ALL VERSIONSREDMI 4 - IndiaREDMI 4X - China, Malaysia, PakistanREDMI 4X (ID) - Indonesia

Xiaomi Mi A1 (Mi 5X)

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 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network	1, 3, 5, 7, 8, 20, 38, 40	1, 3, 5, 7, 8, 38, 39, 40, 41
Speed	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/100 Mbps

Launch
Announced	2017, September	2017, May
Status	Available. Released 2017, September	Available. Released 2017, May

Body
Dimensions	155.4 x 75.8 x 7.3 mm (6.12 x 2.98 x 0.29 in)	139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in)
3D size compare	Size up
Weight	165 g (5.82 oz)	150 g (5.29 oz)
Build	Glass front (Gorilla Glass 3), aluminum back, aluminum frame	Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends
SIM	Hybrid Dual SIM (Nano-SIM, dual stand-by)	Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)

Display
Type	IPS LCD	IPS LCD
Size	5.5 inches, 82.6 cm2 (~70.1% screen-to-body ratio)	5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio)
Resolution	1080 x 1920 pixels, 16:9 ratio (~403 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 7.1.2 (Nougat), upgradable to Android 9.0 (Pie), Android One	Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11
Chipset	Qualcomm MSM8953 Snapdragon 625 (14 nm)	Qualcomm MSM8940 Snapdragon 435 (28 nm)
CPU	Octa-core 2.0 GHz Cortex-A53	Octa-core 1.4 GHz Cortex-A53
GPU	Adreno 506	Adreno 505

Memory
Card slot	microSDXC (uses shared SIM slot)	microSDXC (uses shared SIM slot)
Internal	32GB 4GB RAM, 64GB 4GB 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	12 MP, f/2.2, 26mm (wide), 1/2.9", 1.25µm, PDAF 12 MP, f/2.6, 50mm (telephoto), 1.0µm, AF, 2x optical zoom	13 MP, f/2.0, PDAF
Features	Dual-LED dual-tone flash, HDR, panorama	LED flash, HDR, panorama
Video	4K@30fps, 1080p@30fps, 720p@120fps	1080p@30fps

Selfie Camera
Modules	5 MP	5 MP, f/2.2
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	Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth	4.2, A2DP, LE	4.2, A2DP, LE
Positioning	GPS, GLONASS, BDS	GPS, GLONASS, BDS
NFC	No	No
Infrared port	Yes	Yes
Radio	FM radio	FM radio
USB	USB Type-C 2.0	microUSB 2.0

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

Battery
Type	Li-Po 3080 mAh, non-removable	Li-Po 4100 mAh, non-removable
Charging	10W wired
Stand-by		Up to 432 h (3G)
Talk time		Up to 36 h (3G)
Music play		Up to 87 h

Misc
Colors	Black, Gold, Rose Gold, Red	Black, Gold
SAR	1.75 W/kg (head)     0.76 W/kg (body)	0.77 W/kg (head)     0.83 W/kg (body)
Models	MDG2, MDI2	2016060, 2016090, MAG138, MAE136, Redmi 4, Redmi 4X
Price	About 170 EUR	About 110 EUR

Tests
Performance	GeekBench: 4292 (v4.4) GFXBench: 3.5fps (ES 3.1 onscreen)	GeekBench: 1819 (v4.4) GFXBench: 5.1fps (ES 3.1 onscreen)
Display	Contrast ratio: 1570:1 (nominal), 2.689 (sunlight)	Contrast ratio: 915 (nominal), 2.920 (sunlight)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	Voice 74dB / Noise 73dB / Ring 90dB	Voice 64dB / Noise 70dB / Ring 72dB
Audio quality	Noise -91.0dB / Crosstalk -82.5dB	Noise -94.3dB / Crosstalk -94dB
Battery (old)	Endurance rating 87h	Endurance rating 80h