| Product |
Xiaomi Redmi Note 9
|
Apple iPhone 4s
|
| Battery |
| Charging |
18W wired
9W reverse wired |
- |
| Stand-by |
- |
Up to 200 h (3G) |
| Talk time |
- |
Up to 8 h (3G) |
| Type |
Li-Po 5020 mAh |
Li-Po 1432 mAh, non-removable (5.3 Wh) |
| Body |
| Build |
Glass front (Gorilla Glass 5), plastic frame, plastic back |
Glass front (Corning-made glass), glass back, stainless steel frame |
| Dimensions |
162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in) |
115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in) |
| SIM |
Nano-SIM + Nano-SIM |
Micro-SIM |
| Weight |
199 g (7.02 oz) |
140 g (4.94 oz) |
| |
Water-repellent coating |
Scratch-resistant glass back panel |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
4.0, A2DP, LE |
| Infrared port |
Yes |
- |
| NFC |
Yes (market/region dependent)M2003J15SG (Yes); M2003J15SS (No) |
- |
| Positioning |
GPS, GLONASS, GALILEO, BDS |
GPS, A-GPS, GLONASS |
| Radio |
FM radio, built-in antenna |
No |
| USB |
USB Type-C 2.0 |
2.0 |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
Wi-Fi 802.11 b/g/n, hotspot |
| Display |
| Protection |
Corning Gorilla Glass 5 |
Corning Gorilla Glass, oleophobic coating |
| Resolution |
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
640 x 960 pixels, 3:2 ratio (~330 ppi density) |
| Size |
6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio) |
3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio) |
| Type |
IPS LCD, 450 nits (typ) |
IPS LCD |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
Accelerometer, gyro, proximity, compass |
| Launch |
| Announced |
2020, April 30 |
2011, October 04. Released 2011, October 14 |
| Status |
Available. Released 2020, May 12 |
Discontinued |
| Main Camera |
| Features |
LED flash, HDR, panorama |
LED flash, panorama, HDR |
| Quad |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro), AF
2 MP, f/2.4, (depth) |
- |
| Single |
- |
8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF |
| Video |
1080p@30fps |
1080p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
No |
| Internal |
64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM |
8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM |
| Misc |
| Colors |
Forest Green, Midnight Grey, Polar White |
Black, White |
| Models |
M2003J15SC, M2003J15SG, M2003J15SS |
A1431, A1387, iPhone4,1 |
| SAR |
0.84 W/kg (head) 0.90 W/kg (body) |
1.18 W/kg (head) 0.98 W/kg (body) |
| SAR EU |
0.80 W/kg (head) 1.14 W/kg (body) |
0.99 W/kg (head) 0.99 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, 20, 28, 38, 40, 41 |
- |
| Speed |
HSPA, LTE |
HSPA 14.4/5.76 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / CDMA / HSPA / EVDO |
| |
- |
CDMA2000 1xEV-DO |
| Our Tests |
| Battery (old) |
Endurance rating 125h |
- |
| Camera |
Photo / Video |
- |
| Display |
1242:1 contrast ratio, 370 nits max brightness (measured) |
- |
| Loudspeaker |
-30.1 LUFS (Below average) |
- |
| Performance |
AnTuTu: 200414 (v8)
GeekBench: 1292 (v5.1) |
- |
| Platform |
| Chipset |
Mediatek MT6769Z Helio G85 (12 nm) |
Apple A5 (45 nm) |
| CPU |
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
Dual-core 1.0 GHz Cortex-A9 |
| GPU |
Mali-G52 MC2 |
PowerVR SGX543MP2 |
| OS |
Android 10, upgradable to Android 12, MIUI 13 |
iOS 5, upgradable to iOS 9.3.6 |
| Selfie camera |
| Features |
HDR, panorama |
- |
| Single |
13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm |
VGA, videocalling over Wi-Fi and 3G |
| Video |
1080p@30fps |
480p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
| Tests |
| Audio quality |
- |
Noise -91.2dB / Crosstalk -93.0dB |
| Battery (old) |
- |
Endurance rating 45h |
| Camera |
- |
Photo / Video |
| Display |
- |
Contrast ratio: 1261:1 (nominal) / 2.269:1 (sunlight) |
| Loudspeaker |
- |
Voice 65dB / Noise 64dB / Ring 74dB |
