| Vivo S9 | Xiaomi Mi 9 |
| Launch | |
|---|---|
| Release Date | |
| Mar, 2021 | Mar, 2019 |
| Status | |
| Available | Available |
| Body & Operating System | |
| Operating system | |
| Android 11 | Android 9.0 (Pie); MIUI 10 |
| UI | |
| OriginOS 1.0 | N/A |
| Dimensions | |
| 158.4 x 73.9 x 7.4 mm (6.24 x 2.91 x 0.29 in) | 157.5 x 74.7 x 7.6 mm (6.20 x 2.94 x 0.30 in) |
| Weight | |
| 173 g | 173 g |
| Body | |
| NA | NA |
| Color Options | |
| Black, White, Gradient Blue | Lavender Violet, Ocean Blue, Piano Black |
| Display Specifications | |
| Technology | |
| AMOLED Capacitive Touchscreen | Super AMOLED capacitive touchscreen, 16M colors |
| Size | |
| 6.44 inches More devices with a similar display. > |
6.39 inches More devices with a similar display. > |
| Resolution | |
| Full HD (FHD) - 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) | Full HD (FHD) - 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| Protection | |
| NA | Corning Gorilla Glass 6 |
| Features | |
| 90Hz refresh rate, HDR10+ | HDR10, DCI-P3 |
| Battery & Charging | |
| Capacity | |
| Non-removable Li-Po, 4000 mAh More devices with similar battery. > |
Non-removable Li-Po, 3300 mAh battery More devices with similar battery. > |
| Charging | |
| Fast charging 33W, 66% in 30 min | Fast battery charging 27W (Quick Charge 4+) |
| Processing Power | |
| CPU | |
| Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) | Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485) |
| Chipset | |
| MediaTek MT6891Z Dimensity 1100 5G (6 nm) | Qualcomm SDM855 Snapdragon 855 (7 nm) |
| GPU | |
| Mali-G77 MC9 | Adreno 640 |
| Memory & Storage | |
| Ram | |
| 8/12GB RAM | 8GB RAM |
| Storage Memory | |
| 128/256GB Built-in | 64GB Built-in |
| Memory Card | |
| No | N/A |
| Cameras | |
| Rear/Back | |
| Triple 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS 8 MP, f/2.2, 120°, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) |
Triple Camera: 48 MP, f/1.8, 1/2", Laser/PDAF + 16 MP, f/2.2, 13mm (ultrawide) + 12 MP, (telephoto), Laser/PDAF, Dual LED Flash |
| Features | |
|
Dual-LED dual-tone flash, HDR, panorama Video 4K@30fps, 1080 @30fps, gyro-EIS Show more |
Geo-tagging, touch focus, face detection, HDR, panorama, Vid o (2160p@60fps, 1080p@30/240fps) Show more |
| Front | |
| Dual 44 MP, f/2.0, (wide), AF 8 MP, f/2.3, 105° (ultrawide) HDR Video 4K@30fps, 1080p@30fps |
20 MP, f/2.0, HDR, Video (1080p@30fps) |
| Features | |
| NA | NA |
| Network | |
| SIM | |
| Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Data | |
| GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GPRS, Edge, 3G HSPA, 4G LTE |
| 2G Bands | |
|
SIM 1: GSM 850 / 900 / 1800 / 1900 SIM 2: GSM 850 / 900 / 1800 / 1900 CDMA 800 |
SIM 1: GSM 850 / 900 / 1800 / 1900 SIM 2: GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | |
| HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1x |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Bands | |
| LTE band 1(2100), 3(1800),... | LTE band 1(2100), 2(1900),... |
| 5G Bands | |
| 1, 3, 28, 41, 77, 78 SA/NSA | NO |
| Connectivity | |
| WLAN (WIFI) | |
| Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot |
| Bluetooth | |
| 5.2, A2DP, LE, aptX HD | v5.0 with A2DP, LE, apt-X HD |
| GPS | |
| Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes + dual band A-GPS support & Glonass, BDS |
| USB | |
| USB Type-C 2.0, USB On-The-Go | Type-C 1.0 reversible connector |
| NFC | |
| Yes | Yes |
| Additional Features | |
| Sensors | |
| Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display), accelerometer, gyro, proximity, compass |
| Extra | |
| NA | Back glass (Gorilla Glass 5), aluminum frame (7000 series), Active noise cancellation with dedicated mic, Photo/video editor, Document viewer |
| Pricing | |
| Price | |
| US$ 472 | USD $505 |
| Resale Value | |
| High | High |
| Comparison Result | |
| Score | |
| 11 Point(s) | 1 Point(s) |
| Save Comparison | |