Sources and limitations

Listed specifications are reference information, not results of TechMyte testing. Rumored details may change, and hardware or supported features can differ by region. Confirm the exact model with its manufacturer before buying.

Battery capacity does not establish tested endurance; megapixel count does not establish camera quality. Use the comparison tool to identify differences, then check the features that matter to your use.

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Technical data sheet

Full Specifications

Network

Technology	GSM / CDMA / HSPA / EVDO / LTE
2G bands	GSM 850 / 900 / 1800 / 1900 - all versions
GPRS	Yes
EDGE	Yes
3G bands	TD-SCDMA - 4G model
4G bands	38, 39, 40 - 4G model
Speed	HSPA, LTE, EV-DO Rev.A 3.1 Mbps

Launch

Announced	2014, July. Released 2014, August
Status	Discontinued

Body

Dimensions	139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in)
Weight	149 g (5.26 oz)
SIM	Micro-SIM
Build	Glass front, plastic back, aluminum frame

Battery

Type	IPS LCD
Stand-by	Up to 280 h (3G)
Charging	18W wired, QC2

Display

Size	5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio)
Resolution	1080 x 1920 pixels, 16:9 ratio (~441 ppi density)

Platform

OS	Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10
Chipset	Qualcomm MSM8974AC Snapdragon 801 (28 nm)
CPU	Quad-core 2.5 GHz Krait 400
GPU	Adreno 330

Memory

Card slot	No
Internal	16GB 2GB RAM, 64GB 3GB RAM

Selfie camera

Single	13 MP, f/1.8, 1/3.1", 1.12Âµm, AF
Video	4K@30fps, 1080p@30fps, 720p@120fps, HDR

Sound

Loudspeaker	Yes
3.5mm jack	Yes

Comms

WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth	4.0, A2DP
Positioning	GPS, GLONASS, BDS
NFC	No
Radio	FM radio
USB	microUSB 2.0, OTG
Infrared port	Yes

Features

Sensors	Accelerometer, gyro, proximity, compass, barometer

Misc

Colors	Black, White
Price	About 230 EUR
Models	2014215
SAR	0.71 W/kg (head)     0.85 W/kg (body)

Main Camera

Features	LED flash, panorama, HDR

Tests

Display	Contrast ratio: 929 (nominal), 2.424 (sunlight)
Camera	Photo / Video
Loudspeaker	Voice 62dB / Noise 62dB / Ring 66dB
Audio quality	Noise -91.6dB / Crosstalk -49.7dB
Battery (old)	Endurance rating 68h

Xiaomi Mi 4