|
Model No |
Redmi S2 |
Spark 4 Air |
Spark 4 Air |
|
Status |
Available |
Available |
Available |
|
Release Date |
2018, May |
2019, August |
2019, August |
|
Dimension |
160.7 x 77.3 x 8.1 mm (6.33 x 3.04 x 0.32 in) |
156.5 x 73 x 8.9 mm (6.16 x 2.99 x 0.22 in) |
156.5 x 73 x 8.9 mm (6.16 x 2.99 x 0.22 in) |
|
Weight |
170 g |
168 g (5.29 oz) |
168 g (5.29 oz) |
|
Colors |
Gray, Gold, Rose Gold |
Aqua Blue, Midnight Black, Champagne Gold |
Aqua Blue, Midnight Black, Champagne Gold |
|
Body Metrial |
Glass front, plastic back, plastic frame |
Plastic |
Plastic |
|
W & D Proof |
No |
- |
- |
|
SIM Type |
Dual SIM (Nano-SIM, dual stand-by) |
Dual SIM (Nano-SIM, dual stand-by) |
Dual SIM (Nano-SIM, dual stand-by) |
|
Technology |
GSM / CDMA / HSPA / LTE |
GSM / HSPA / LTE |
GSM / HSPA / LTE |
|
OS |
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie); MIUI 11 |
Android 9.0 (Pie; Go Edition) |
Android 9.0 (Pie; Go Edition) |
|
Processor |
Octa-core 2.0 GHz Cortex-A53 |
Quad-core CPU (4x2.0 GHz Cortex-A53) |
Quad-core CPU (4x2.0 GHz Cortex-A53) |
|
Chipset |
Qualcomm MSM8953 Snapdragon 625 |
Mediatek MT6761 Helio A22 (12 nm) |
Mediatek MT6761 Helio A22 (12 nm) |
|
GPU |
Adreno 506 |
PowerVR GE8320 |
PowerVR GE8320 |
|
RAM |
3GB / 4GB |
3GB |
3GB |
|
Storage |
32GB / 64GB |
32GB |
32GB |
|
Card Slot |
microSD, up to 256 GB |
microSD, up to 128GB |
microSD, up to 128GB |
|
Size |
5.99 Inches |
6.1 inches |
6.1 inches |
|
Type |
IPS LCD Capacitive touchscreen, 16M colors |
IPS LCD capacitive touchscreen, 16M colors |
IPS LCD capacitive touchscreen, 16M colors |
|
Resolation |
720 x 1440 pixels, 18:9 ratio |
720 x 1560 pixels, 19.5:9 ratio |
720 x 1560 pixels, 19.5:9 ratio |
|
PPI |
269 ppi density |
292 ppi density |
292 ppi density |
|
Multi touch |
Yes |
Yes |
Yes |
|
Protection |
Corning Gorilla Glass |
2.5D Curved Glass |
2.5D Curved Glass |
|
Primary |
Dual 12 MP, f/2.2, PDAF + 5 MP, f/2.4, (depth) |
Dual 13MP + 2MP |
Dual 13MP + 2MP |
|
Video |
1080p@30fps |
1080p@30fps |
1080p@30fps |
|
Flash |
LED flash |
LED |
LED |
|
Features |
Geo-tagging, touch focus, face detection, HDR, panorama |
Geo-tagging, touch focus, face detection, HDR |
Geo-tagging, touch focus, face detection, HDR |
|
Selfie |
16 MP, f/2.0, 26mm (wide), 1/3.1 |
13MP |
13MP |
|
Battery |
Li-Po |
Li-lon |
Li-lon |
|
Capacity |
3080 mAh |
3000 mAh |
3000 mAh |
|
Removable |
Non-removable |
Non-removable |
Non-removable |
|
StandBy |
- |
- |
- |
|
Talk Time |
- |
- |
- |
|
Music Play |
- |
- |
- |
|
Browsing |
HTML5 |
HTML5 |
HTML5 |
|
Video Playback |
- |
- |
- |
|
F Charging |
No |
No |
No |
|
W Charging |
No |
No |
No |
|
2G Network |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA |
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 1900 / 2100 |
HSDPA 1900 / 2100 |
|
4G Network |
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) |
LTE |
LTE |
|
Speed |
HSPA , LTE |
HSPA, LTE |
HSPA, LTE |
|
5G |
- |
- |
- |
|
WALAN |
Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
|
BlueTooth |
Yes, 4.2, A2DP, LE |
Yes, v4.2, A2DP |
Yes, v4.2, A2DP |
|
USB |
microUSB 2.0 |
microUSB 2.0 |
microUSB 2.0 |
|
GPS |
Yes, with A-GPS, GLONASS, BDS |
Yes, with GPS, A-GPS |
Yes, with GPS, A-GPS |
|
NFC |
- |
- |
- |
|
Audio jeck |
3.5mm jeck |
3.5 mm Jack |
3.5 mm Jack |
|
Sensors |
Fingerprint (rear-mounted), accelerometer,proximity, compass |
Fingerprint (rear-mounted), accelerometer, proximity, compass |
Fingerprint (rear-mounted), accelerometer, proximity, compass |
|
Radio |
FM radio |
FM radio |
FM radio |
|
SARUS |
- |
- |
- |
|
SAREU |
- |
- |
- |
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