| Otium Z4 |
Xiaomi Redmi Note 8 |
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| Hardware and OS | Otium Z4 | Xiaomi Redmi Note 8 |
| Operating system | Android 4.4 KitKat | Android 9.0 (Pie); MIUI 10 |
| Processor | Quad-Core (4x Cortex A7 1.3 GHz) | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| Chipset | MediaTek MT6582 (28 nm) | Qualcomm SDM665 Snapdragon 665 (11 nm) |
| GPU | ARM Mali-400 MP2 | Adreno 610 |
| Internal memory | 1GB 8GB, 1GB · 8GB | 32GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Display | Otium Z4 | Xiaomi Redmi Note 8 |
| Type | LCD IPS | IPS LCD |
| Size | 5" inc | 6.3" inc |
| Resolution | 720 x 1280 px | 1080 x 2340 px |
| Display colors | 16M | |
| Protection | Corning Gorilla Glass 5 | |
| Screen area | cm2 | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen format | 16:9 (height:width) | |
| Screen-to-Body Ratio | 81.7% | |
| Screen to body ratio | 66% | |
| Display area | 97.4 cm2 | |
| PPI /points per inch/ | 294 PPI | |
| Display aspect ratio | 19.5:9 (height:width) | |
| Screen protection | Scratch resistant | |
| Pixel Density | 409 PPI | |
| Colors | 16M | |
| Connectivity | Otium Z4 | Xiaomi Redmi Note 8 |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 2100 | |
| NFC | No | |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500) | |
| Wi-Fi | 802.11b, 802.11g, 802.11n,Wi-Fi Hotspot ,Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Network | 2G / 3G / 4G / | GSM / HSPA / LTE |
| SIM card | Dual SIM, dual stand-by (Micro SIM Micro SIM) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | Bluetooth 4.0, A2DP | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | GPS, A-GPS | Yes, with A-GPS, GLONASS, BDS |
| Speed | HSPA 42.2/11.5 Mbps, LTE-A | |
| USB | Yes, USB On-The-Go (OTG) | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| Camera | Otium Z4 | Xiaomi Redmi Note 8 |
| Rear camera, main | 8 MP, Single | |
| Camera specs | 8 MP, ?/ 2.2, (wide), 1.40 µm | |
| Functions | LED flash | |
| Main camera | 48 MP, Quad | |
| Specs | 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF -8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µm -2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) -2 MP, f/2.4, 1/5", 1.75µm, depth sensor | |
| Front camera, selfie | 2 MP, Single | |
| Features | LED flash, HDR, panorama | |
| Specifications | 2 MP, ?/ | |
| Video | 1080p video | 2160p@30fps, 1080p@30/60/120fps, gyro-EIS |
| Selfie camera | 13 MP, Single | |
| Multimedia | Otium Z4 | Xiaomi Redmi Note 8 |
| Headphone jack | Yes | |
| 3.5 mm Jack | Yes | |
| Radio | Yes | FM radio |
| Design | Otium Z4 | Xiaomi Redmi Note 8 |
| Dimensions (HxWxD) | 144.3 x72.1 x 8.9 mm | 5.68 x 2.84 x 0.35 in | |
| Colors | Black, White | Neptune Blue, Moonlight White, Space Black |
| Body build | Plastic | Front/back glass (Gorilla Glass 5) |
| Dimensions | 158.3 x 75.3 x 8.4 mm | |
| Weight | 145 g | 5.11 oz | 190 g |
| Other features | Otium Z4 | Xiaomi Redmi Note 8 |
| Sensors | Fingerprint (rear-mounted), Proximity, Accelerometer, compass , Infrared port | |
| Battery | Otium Z4 | Xiaomi Redmi Note 8 |
| Battery | 2700 mAh, Li-Ion, Removable | |
| Battery capacity | 4000 mAh, Non-removable Li-Po | |
| Other | Otium Z4 | Xiaomi Redmi Note 8 |
| SAR | SAR - 0.26 W/kg (head) 1.00 W/kg (body) SAR EU - 0.26 W/kg (head) 1.00 W/kg (body) | |
| Release date | 2019, August | |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass , Infrared port |
