| Hardware and OS | Xiaomi 13 Ultra 5G | Oppo A3s |
| Operating system | Android v12 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa Core Processor | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm Snapdragon 8 Gen2 | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | | Adreno 506 |
| Ram | 12 GB | |
| Internal memory | | 16 GB, 2 GB RAM |
| Storage | 256 GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Card Slot | No | |
| Display | Xiaomi 13 Ultra 5G | Oppo A3s |
| Type | Color AMOLED Dot Display (1B) | IPS LCD |
| Size | 6.6 inches, 1440 x 3200 pixels, 120 Hz | 6.2" inc |
| Resolution | | 720 x 1520 px |
| Aspect Ratio | 20:9 | |
| Touchscreen | | capacitive touchscreen |
| Glass Type | Corning Gorilla Glass Victus | |
| Screen-to-Body Ratio | | 81.2% |
| PPI | ~515 PPI | |
| Display area | | 95.9 cm2 |
| Screen to Body Ratio | ~ 91.4% | |
| Display aspect ratio | | 19:9 (height:width) |
| Touch | Yes, with Multitouch | |
| Pixel Density | | 271 PPI |
| Features | HDR10 , AI display Supports, Sunlight Display 3.0, Display Mate A , Reading Mmode 3.0, 360° Ambient Light Sensors 2.0 | |
| Colors | | 16M |
| Main Camera | Xiaomi 13 Ultra 5G | Oppo A3s |
| Camera | Punch Hole 32 MP f/2.2 (Wide Angle) with Autofocus and Screen Flash | |
| Flash | Yes, Dual LED | |
| Features | HDR, Night Mode 2.0, Ultra Night Photos, Portrait, AI Beauty, AI Smart Slimming, Custom Watermark, | |
| Video | 1080p, 720p | |
| Connectivity | Xiaomi 13 Ultra 5G | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | Yes | HSDPA 850 / 900 / 2100 |
| 4G Network | Yes | LTE |
| Wi-Fi | | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | Yes, v5.3, A2DP, LE, aptX HD | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with tri-band A-GPS, GLONASS, BeiDou, NavIC Support | Yes, with A-GPS |
| 5G Network | Yes | |
| Speed | | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | Yes, USB-C v2.0 | microUSB 2.0, USB On-The-Go |
| Extra | NFC | |
| USB Features | USB Tethering, USB on-the-go, USB Charging | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | |
| Selfie camera | Xiaomi 13 Ultra 5G | Oppo A3s |
| Camera | 108 MP 48 MP 48 MP 13 MP with autofocus | |
| Video | 8K, 4K, 1080p, 720p | |
| Camera | Xiaomi 13 Ultra 5G | Oppo A3s |
| Main camera | | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | | 8 MP, Single |
| Multimedia | Xiaomi 13 Ultra 5G | Oppo A3s |
| 3.5 mm Jack | No | Yes |
| Radio | | FM radio |
| Design | Xiaomi 13 Ultra 5G | Oppo A3s |
| Colors | | Red, Dark Purple |
| Dimensions | | 156.2 x 75.6 x 8.2 mm |
| Weight | | 168 g |
| Dual Sim | Yes | |
| Sim Type | Dual Sim, GSM GSM | |
| Sim Size | Nano Nano SIM | |
| Battery | Xiaomi 13 Ultra 5G | Oppo A3s |
| Type | Non-Removable Battery | |
| Fast Charging | Yes, 120W Fast Charging | |
| Wireless Charging | Yes, 67W | |
| Reverse Charging | Yes, 15W | |
| Battery capacity | 5000 mAh, Li-Po Battery | 4230 mAh, Non-removable Li-Ion |
| Other | Xiaomi 13 Ultra 5G | Oppo A3s |
| Release date | | 2018, July |
| Sensors | | Accelerometer, proximity, compass |
| Features | Xiaomi 13 Ultra 5G | Oppo A3s |
| Sensors | Proximity, Ambient Light Sensor, Accelerometer, Gyroscope, Electric Compass, Hall Sensor, X-axis Linear Motor, Grip Sensor, Barometer, Rear Light Sensor, Flicker Sensor, Multi-dot Laser Focus Sensor | |
| Fingerprint Sensor | Yes, In Display | |
| Face Unlock | Yes | |
| Dust Resistant | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
