| Product |
Xiaomi Redmi K40
|
Samsung Galaxy A8+ (2018)
|
| Battery |
| Charging |
33W wired, PD3.0, QC3, 100% in 52 min |
18W wired |
| Music play |
- |
Up to 73 h |
| Talk time |
- |
Up to 23 h (3G) |
| Type |
Li-Po 4520 mAh |
Li-Ion 3500 mAh, non-removable |
| Body |
| Build |
- |
Glass front (Gorilla Glass 4), glass back (Gorilla Glass 5), aluminum frame |
| Dimensions |
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
159.9 x 75.7 x 8.3 mm (6.30 x 2.98 x 0.33 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIMNano-SIM + Nano-SIM |
| Weight |
196 g (6.91 oz) |
191 g (6.74 oz) |
| |
- |
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
| Comms |
| Bluetooth |
5.1, A2DP, LE |
5.0, A2DP, EDR, LE |
| Infrared port |
Yes |
- |
| NFC |
Yes |
Yes |
| Positioning |
GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC |
GPS, GLONASS, BDS |
| Radio |
No |
FM radio |
| USB |
USB Type-C 2.0, OTG |
USB Type-C 2.0 |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Display |
| Protection |
Corning Gorilla Glass 5 |
Corning Gorilla Glass 4 |
| Resolution |
1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
1080 x 2220 pixels, 18.5:9 ratio (~411 ppi density) |
| Size |
6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) |
6.0 inches, 91.4 cm2 (~75.5% screen-to-body ratio) |
| Type |
Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) |
Super AMOLED |
| Features |
| Sensors |
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer |
| |
- |
ANT+
Samsung Pay |
| Launch |
| Announced |
2021, February 25 |
2017, December. Released 2018, January |
| Status |
Available. Released 2021, March 04 |
Discontinued |
| Main Camera |
| Features |
Color spectrum sensor, LED flash, HDR, panorama |
LED flash, panorama, HDR |
| Single |
- |
16 MP, f/1.7, 26mm (wide), 1/2.8”, 1.12µm, PDAF |
| Triple |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide)
5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm |
- |
| Video |
4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS |
1080p@30fps |
| Memory |
| Card slot |
No |
microSDXC (dedicated slot) |
| Internal |
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM |
32GB 4GB RAM, 64GB 4GB RAM, 64GB 6GB RAM |
| |
UFS 3.1 |
eMMC 5.1 |
| Misc |
| Colors |
Black, White, Aurora |
Black, orchid grey, gold, blue |
| Models |
M2012K11AC |
SM-A730F |
| SAR EU |
- |
0.32 W/kg (head) 1.30 W/kg (body) |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G bands |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands |
1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 |
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66 |
| 5G bands |
1, 3, 28, 41, 77, 78 SA/NSA/Sub6 |
- |
| Speed |
HSPA, LTE, 5G |
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat11 600/75 Mbps |
| Technology |
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
GSM / HSPA / LTE |
| |
CDMA2000 1x |
- |
| Platform |
| Chipset |
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) |
Exynos 7885 (14 nm) |
| CPU |
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) |
Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) |
| GPU |
Adreno 650 |
Mali-G71 |
| OS |
Android 11, MIUI 12 |
Android 7.1.1 (Nougat), upgradable to Android 9.0 (Pie) |
| Selfie camera |
| Dual |
- |
16 MP, f/1.9, 26mm (wide), 1/3.06", 1.0µm
8 MP, f/1.9, 1/4.0", 1.12µm |
| Features |
HDR |
- |
| Single |
20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
- |
| Video |
1080p@30fps, 720p@120fps |
1080p@30fps |
| Sound |
| 3.5mm jack |
No |
Yes |
| Loudspeaker |
Yes, with stereo speakers |
Yes |
| |
24-bit/192kHz Hi-Res audio |
24-bit/192kHz audio |
-img_6890583a1788c.png)
