| Product |
Xiaomi Redmi Note 9T
|
Samsung Galaxy J4
|
| Battery |
| Charging |
18W wired, 33% in 30 min |
- |
| Music play |
- |
Up to 80 h |
| Talk time |
- |
Up to 20 h (3G) |
| Type |
Li-Po 5000 mAh |
Li-Ion 3000 mAh, removable |
| Body |
| Build |
Glass front (Gorilla Glass 5), plastic back, plastic frame |
Glass front, plastic back, plastic frame |
| Dimensions |
161.2 x 77.3 x 9.1 mm (6.35 x 3.04 x 0.36 in) |
151.7 x 77.2 x 8.1 mm (5.97 x 3.04 x 0.32 in) |
| SIM |
Nano-SIM + Nano-SIM |
Dual SIM (Micro-SIM, dual stand-by) |
| Weight |
199 g (7.02 oz) |
175 g (6.17 oz) |
| |
Water-repellent coating |
- |
| Comms |
| Bluetooth |
5.1, A2DP, LE |
4.2, A2DP, LE |
| Infrared port |
Yes |
- |
| NFC |
Yes |
No |
| Positioning |
GPS, GLONASS, GALILEO, BDS |
GPS, GLONASS, BDS |
| Radio |
FM radio, recording |
FM radio |
| USB |
USB Type-C 2.0 |
microUSB 2.0 |
| 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 5 |
- |
| Resolution |
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
720 x 1280 pixels, 16:9 ratio (~267 ppi density) |
| Size |
6.53 inches, 104.7 cm2 (~84.0% screen-to-body ratio) |
5.5 inches, 83.4 cm2 (~71.2% screen-to-body ratio) |
| Type |
IPS LCD, 450 nits (typ) |
Super AMOLED |
| Features |
| Sensors |
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
Accelerometer, proximity |
| Launch |
| Announced |
2021, January 08 |
2018, May. Released 2018, May |
| Status |
Available. Released 2021, January 18 |
Discontinued |
| Main Camera |
| Features |
LED flash, HDR, panorama |
LED flash, panorama, HDR |
| Single |
- |
13 MP, f/1.9, 28mm (wide), AF |
| Triple |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth) |
- |
| Video |
4K@30fps, 1080p@30/60fps |
1080p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (dedicated slot) |
| Internal |
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM |
16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM |
| |
UFS 2.1 - 64GB
UFS 2.2 - 128GB |
eMMC 5.0 |
| Misc |
| Colors |
Nightfall Black, Daybreak Purple |
Black, Gold, Orchid Gray |
| Models |
M2007J22G, J22 |
SM-J400G, SM-J400F, SM-J400M |
| SAR |
1.07 W/kg (head) 1.05 W/kg (body) |
0.36 W/kg (head) 1.49 W/kg (body) |
| SAR EU |
0.59 W/kg (head) 0.94 W/kg (body) |
- |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands |
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42 |
1, 3, 5, 7, 8, 20, 38, 40 - India, Pakistan |
| 5G bands |
1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78, 79 SA/NSA/Sub6 |
- |
| Speed |
HSPA, LTE, 5G |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology |
GSM / HSPA / LTE / 5G |
GSM / HSPA / LTE |
| |
- |
HSDPA 850 / 900 / 2100 - India, Pakistan |
| Our Tests |
| Battery (old) |
Endurance rating 118h |
- |
| Camera |
Photo / Video |
- |
| Display |
1226:1 contrast ratio, 471 nits max brightness (measured) |
- |
| Loudspeaker |
-26.3 LUFS (Good) |
- |
| Performance |
AnTuTu: 288732 (v8)
GeekBench: 1775 (v5.1) |
- |
| Platform |
| Chipset |
Mediatek Dimensity 800U (7 nm) |
Exynos 7570 Quad (14 nm) |
| CPU |
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
Quad-core 1.4 GHz Cortex-A53 |
| GPU |
Mali-G57 MC3 |
Mali-T720 MP2 |
| OS |
Android 10, MIUI 12 |
Android 8.0 (Oreo) |
| Selfie camera |
| Features |
- |
LED flash |
| Single |
13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm |
5 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 |
- |