| Product |
Xiaomi Mi 4
|
Xiaomi Redmi Note 4 (MediaTek)
|
| Battery |
| Charging |
18W wired, QC2 |
- |
| Stand-by |
Up to 280 h (3G) |
- |
| Type |
Li-Ion 3080 mAh, non-removable |
Li-Po 4100 mAh, non-removable |
| Body |
| Build |
Glass front, plastic back, aluminum frame |
Glass front, aluminum back, aluminum frame |
| Dimensions |
139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in) |
151 x 76 x 8.4 mm (5.94 x 2.99 x 0.33 in) |
| SIM |
Micro-SIM |
Nano-SIM + Micro-SIM |
| Weight |
149 g (5.26 oz) |
175 g (6.17 oz) |
| Comms |
| Bluetooth |
4.0, A2DP |
4.2, A2DP, LE |
| Infrared port |
Yes |
Yes |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, BDS |
GPS, GLONASS, BDS |
| Radio |
FM radio |
FM radio |
| USB |
microUSB 2.0, OTG |
microUSB 2.0, OTG |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Display |
| Resolution |
1080 x 1920 pixels, 16:9 ratio (~441 ppi density) |
1080 x 1920 pixels, 16:9 ratio (~401 ppi density) |
| Size |
5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio) |
5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio) |
| Type |
IPS LCD |
IPS LCD |
| Features |
| Sensors |
Accelerometer, gyro, proximity, compass, barometer |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Launch |
| Announced |
2014, July. Released 2014, August |
2016, August. Released 2016, August |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Features |
LED flash, panorama, HDR |
Dual-LED dual-tone flash, HDR, panorama |
| Single |
13 MP, f/1.8, 1/3.1", 1.12µm, AF |
13 MP, f/2.0, PDAF |
| Video |
4K@30fps, 1080p@30fps, 720p@120fps, HDR |
1080p@30fps, 720p@120fps |
| Memory |
| Card slot |
No |
microSDXC (uses shared SIM slot) |
| Internal |
16GB 2GB RAM, 64GB 3GB RAM |
16GB 2GB RAM (Standard), 64GB 3GB RAM (High), 64GB 4GB RAM (Exclusive) |
| |
eMMC 5.0 |
- |
| Misc |
| Colors |
Black, White |
Silver, Gray, Gold, Blue, Black |
| Models |
2014215 |
- |
| SAR |
0.71 W/kg (head) 0.85 W/kg (body) |
- |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 - all versions |
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands |
TD-SCDMA - 4G model |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands |
38, 39, 40 - 4G model |
1, 3, 5, 7, 8, 38, 39, 40, 41 |
| EDGE |
Yes |
- |
| GPRS |
Yes |
- |
| Speed |
HSPA, LTE, EV-DO Rev.A 3.1 Mbps |
HSPA, LTE |
| Technology |
GSM / CDMA / HSPA / EVDO / LTE |
GSM / CDMA / HSPA / LTE |
| |
CDMA2000 1xEV-DO - Telecom 3G model |
CDMA 800 & TD-SCDMA |
| Our Tests |
| Audio quality |
Noise -91.6dB / Crosstalk -49.7dB |
- |
| Battery (old) |
Endurance rating 68h |
Endurance rating 83h |
| Camera |
Photo / Video |
Photo / Video |
| Display |
Contrast ratio: 929 (nominal), 2.424 (sunlight) |
Contrast ratio: 1158 (nominal), 2.145 (sunlight) |
| Loudspeaker |
Voice 62dB / Noise 62dB / Ring 66dB |
Voice 64dB / Noise 67dB / Ring 76dB |
| Performance |
- |
Basemark OS II 2.0: 1728Basemark X: 13666 |
| Platform |
| Chipset |
Qualcomm MSM8974AC Snapdragon 801 (28 nm) |
Mediatek MT6797 Helio X20 (20 nm) |
| CPU |
Quad-core 2.5 GHz Krait 400 |
Deca-core 2.1 GHz |
| GPU |
Adreno 330 |
Mali-T880 MP4 |
| OS |
Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10 |
Android 6.0 (Marshmallow), MIUI 10 |
| Selfie camera |
| Single |
8 MP, f/1.8 |
5 MP, f/2.0 |
| Video |
1080p@30fps |
720p |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
| |
- |
24-bit/192kHz audio |
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