| Product |
Xiaomi Mi 4 LTE
|
Xiaomi Redmi S2 (Redmi Y2)
|
| Battery |
| Charging |
18W wired, QC2 |
10W wired |
| Type |
Li-Ion 3080 mAh, non-removable |
Li-Po 3080 mAh, non-removable |
| Body |
| Build |
- |
Glass front, plastic back, plastic frame |
| Dimensions |
139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in) |
160.7 x 77.3 x 8.1 mm (6.33 x 3.04 x 0.32 in) |
| SIM |
Micro-SIM |
Nano-SIM + Nano-SIM |
| Weight |
149 g (5.26 oz) |
170 g (6.00 oz) |
| Comms |
| Bluetooth |
4.0, A2DP |
4.2, A2DP, LE |
| Infrared port |
Yes |
Yes |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, BDS |
|
| Radio |
FM radio |
FM radio |
| USB |
microUSB 2.0, OTG |
microUSB 2.0 |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Display |
| Resolution |
1080 x 1920 pixels, 16:9 ratio (~441 ppi density) |
720 x 1440 pixels, 18:9 ratio (~269 ppi density) |
| Size |
5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio) |
5.99 inches, 92.6 cm2 (~74.5% 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, December. Released 2014, December |
2018, May. Released 2018, May |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Dual |
- |
12 MP, f/2.2, 1.25μm, PDAF
5 MP, f/2.4, (depth) |
| Features |
LED flash, panorama, HDR |
LED flash, panorama, HDR |
| Single |
13 MP, f/1.8, 1/3.1", 1.12µm, AF |
- |
| Video |
4K@30fps, 1080p@30fps, 720p@120fps, HDR |
1080p@30fps (gyro-EIS) |
| Memory |
| Card slot |
No |
microSDXC (dedicated slot) |
| Internal |
16GB 3GB RAM |
32GB 3GB RAM, 64GB 4GB RAM |
| |
eMMC 5.0 |
eMMC 5.1 |
| Misc |
| Colors |
White |
Gray, Gold, Rose Gold, Mesmerising Blue, Stunning Black |
| Models |
- |
M1803E6G, M1803E6H, M1803E6I |
| SAR |
- |
0.43 W/kg (head) 1.58 W/kg (body) |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands |
LTE - international model |
1, 3, 4, 5, 7, 8, 20, 38, 40 - Global |
| Speed |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / CDMA / HSPA / LTE |
| |
- |
1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China |
| Our Tests |
| Audio quality |
- |
Noise -90.3dB / Crosstalk -93.1dB |
| Battery (old) |
- |
Endurance rating 92h |
| Camera |
- |
Photo / Video |
| Display |
- |
Contrast ratio: 1072:1 (nominal), 3.077 (sunlight) |
| Loudspeaker |
- |
Voice 68dB / Noise 69dB / Ring 82dB |
| Performance |
- |
AnTuTu: 77488 (v7)
GeekBench: 4313 (v4.4)
GFXBench: 7.4fps (ES 3.1 onscreen) |
| Platform |
| Chipset |
Qualcomm MSM8974AC Snapdragon 801 (28 nm) |
Qualcomm MSM8953 Snapdragon 625 (14 nm) |
| CPU |
Quad-core 2.5 GHz Krait 400 |
Octa-core 2.0 GHz Cortex-A53 |
| GPU |
Adreno 330 |
Adreno 506 |
| OS |
Android 4.4.3 (KitKat), MIUI 5 |
Android 8.1 (Oreo), upgradable to Android 9, MIUI 12 |
| Selfie camera |
| Features |
- |
HDR, LED flash |
| Single |
8 MP, f/1.8 |
16 MP, f/2.5, (wide), 1/3.06" 1.0µm |
| Video |
1080p@30fps |
1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
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