Xiaomi Redmi Note 9 vs Vivo X21 UD
What is the difference between Xiaomi Redmi Note 9 and Vivo X21 UD. Find out which smartphone has better performance.
Performance (Benchmarks)
| 1368 | 3DMark for Android Sling Shot Extreme (OpenGL ES 3.1 / Metal) | 1342 |
| 1365 | 3DMark for Android Sling Shot Extreme (Vulkan / Metal) | 1264 |
| 1774 | 3DMark for Android Sling Shot | 2047 |
| 8523 | PCMark for Android Work 2.0 | 6087 |
| 5683 | PCMark for Android Computer vision | 3178 |
| 10022 | PCMark for Android Storage | 4409 |
Specs
| Xiaomi Redmi Note 9 | Model name | Vivo X21 UD |
| Android 10 | Operating system (OS) | Android 8.1 |
| Bluetooth WLAN NFC | Network Connectivity | Bluetooth WLAN |
| Yes, Type-C | Interfaces / connectors | Yes, microUSB 2.0 |
Display
| 2340 × 1080 px | Resolution | 2280 × 1080 px |
| IPS LCD | Technology | Super AMOLED |
| Yes | Multi‑Touch | Yes |
| 6.53" | Screen size | 6.28" |
Processor (CPU)
| Up to 2.0 GHz dual-core ARM Cortex-A75 & 1.8 GHz hexa-core ARM Cortex-A55 | CPU Architecture | Up to 2.2 GHz quad-core ARM Kryo 260 & 1.84 GHz quad-core Kryo 260 |
| Helio G85 | CPU | Snapdragon 660 (MSM8976 Plus) |
| Mali-G52 MC2 | GPU | Adreno 512 |
Storage
| 3072 / 4096 MB | RAM (Memory) | 6144 MB |
| 64 / 128 GB | Storage (ROM) | 128 GB |
| microSD / microSDHC / microSDXC | Card slot | microSD |
Camera
| Yes, 48 MP | Rear Camera(s) | Yes, 12 MP |
| Yes, 13 MP | Selfie Camera(s) | Yes, 12 MP |
Networks
| varies by model | 2G | varies by model |
| varies by model | 3G | varies by model |
| varies by model | 4G (LTE) | varies by model |
Location
| Yes | GPS | Yes |
| Yes | A-GPS | Yes |
Battery
| 5020 mAh | Battery capacity | 3200 mAh |
Sensors
| Yes | Compass | Yes |
Design
| 77.2 / 162.3 / 8.9 mm | Dimensions | 74.8 / 154.5 / 7.4 mm |
| 199 g | Weight | 156.2 g |