| Product |
Xiaomi Redmi Note 9 4G
|
Samsung Galaxy J2 (2017)
|
| Battery |
| Charging |
18W wired
2.5W reverse wired |
- |
| Music play |
- |
Up to 41 h |
| Talk time |
- |
Up to 12 h (3G) |
| Type |
Li-Po 6000 mAh |
Li-Ion 2000 mAh, removable |
| Body |
| Build |
Glass front (Gorilla Glass 3), plastic frame, plastic back |
Glass front, plastic back, plastic frame |
| Dimensions |
162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in) |
136.5 x 69 x 8.4 mm (5.37 x 2.72 x 0.33 in) |
| SIM |
Nano-SIM + Nano-SIM |
Dual SIM (Micro-SIM, dual stand-by) |
| Weight |
198 g (6.98 oz) |
130 g (4.59 oz) |
| |
Water-repellent coating |
- |
| Comms |
| Bluetooth |
4.2, A2DP |
4.1, A2DP |
| Infrared port |
Yes |
- |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, GALILEO, BDS |
GPS, GLONASS |
| Radio |
FM radio |
FM radio, RDS, recording |
| USB |
USB Type-C 2.0, OTG |
microUSB 2.0, OTG |
| 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 |
| Display |
| Protection |
Corning Gorilla Glass 3 |
- |
| Resolution |
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
540 x 960 pixels, 16:9 ratio (~234 ppi density) |
| Size |
6.53 inches, 104.7 cm2 (~83.4% screen-to-body ratio) |
4.7 inches, 60.9 cm2 (~64.7% screen-to-body ratio) |
| Type |
IPS LCD, 400 nits (typ) |
Super AMOLED |
| Features |
| Sensors |
Fingerprint (side-mounted), accelerometer, proximity, compass |
Accelerometer, proximity |
| Launch |
| Announced |
2020, November 26 |
2017, October. Released 2017, October |
| Status |
Available. Released 2020, November 26 |
Discontinued |
| Main Camera |
| Features |
LED flash, HDR, panorama |
LED flash |
| Single |
- |
5 MP, f/2.2, AF |
| Triple |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth) |
- |
| Video |
1080p@30fps |
720p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (dedicated slot) |
| Internal |
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
8GB 1GB RAM |
| |
UFS 2.2 |
eMMC 4.5 |
| Misc |
| Colors |
Gray, Green, Blue, Orange |
Black, Gold |
| Models |
M2010J19SC |
SM-J200G, SM-J200BT |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands |
HSDPA 850 / 900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands |
1, 3, 5, 8, 34, 38, 39, 40, 41 |
1, 3, 5, 8, 20, 40 |
| Speed |
HSPA, LTE |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology |
GSM / CDMA / HSPA / LTE |
GSM / HSPA / LTE |
| |
CDMA 800 |
- |
| Platform |
| Chipset |
Qualcomm SM6115 Snapdragon 662 (11 nm) |
Exynos 3475 Quad (28 nm) |
| CPU |
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
Quad-core 1.3 GHz Cortex-A7 |
| GPU |
Adreno 610 |
Mali-T720 |
| OS |
Android 10, upgradable to Android 12, MIUI 14 |
Android 7.0 (Nougat) |
| Selfie camera |
| Single |
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm |
2 MP, f/2.2 |
| Video |
1080p@30fps |
|
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes, with stereo speakers |
Yes |
| |
24-bit/192kHz Hi-Res audio |
- |
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