Compare Phones
Xiaomi 17 Ultra Vs Vivo Y21
Specification Comparison
Xiaomi 17 Ultra price
Vivo Y21 price
Specifications
| Launch | ||
|---|---|---|
| Launch | ||
| Announced | 2026, February 28 2026, March 26 | |
| Body | ||
|---|---|---|
| Body | ||
| Weight | 223.4 g 209 g | |
| Thickness | 8.3mm thickness 8.4mm thickness | |
| Dimensions | 162.9 x 77.6 x 8.3 mm 167.4 x 77.1 x 8.4 mm | |
| Build | Front glass, glass-fiber reinforced plastic back, aluminum alloy frame Front glass, plastic frame, plastic back | |
| Display | ||
|---|---|---|
| Display | ||
| Size | 6.9 inches 6.74 inches | |
| Type | LTPO AMOLED IPS LCD | |
| Resolution | 1200 x 2608 pixels 720 x 1600 pixels | |
| Protection | Xiaomi Shield Glass 3.0 Mohs level 4 | |
| Platform | ||
|---|---|---|
| Platform | ||
| Chipset | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 Mediatek Dimensity 6300 | |
| OS | Android 16, HyperOS 3 Android 16, OriginOS 6 | |
| CPU | Octa-core Octa-core | |
| Memory | ||
|---|---|---|
| Memory | ||
| Internal | 512GB 16GB RAM, 1TB 16GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM | |
| Card slot | No microSDXC | |
| Main Cameras | ||
|---|---|---|
| Main Cameras | ||
| Triple | 50 MP + 200 MP + 50 MP 50 MP + Auxiliary lens | |
| Features | Dual-LED flash, HDR, panorama, Laser AF, color spectrum sensor, Leica lenses LED flash, panorama | |
| Selfie camera | ||
|---|---|---|
| Selfie camera | ||
| Single | 50 MP 5 MP | |
| Battery | ||
|---|---|---|
| Battery | ||
| Type | Si/C Li-Ion 6000 mAh Li-Ion 6500 mAh | |
| Charging | 90W wired 90W wired | |
| Sound | ||
|---|---|---|
| Sound | ||
| Loudspeaker | Yes, with stereo speakers Yes, with stereo speakers | |
| Features | ||
|---|---|---|
| Features | ||
| Sensors | Fingerprint(under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer Fingerprint (side-mounted), accelerometer, proximity, compass | |
| Comms | ||
|---|---|---|
| Comms | ||
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e/7 Yes | |
| Bluetooth | 6.0, A2DP Yes | |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS, NavIC GPS, GALILEO, GLONASS, BDS, QZSS | |
| Radio | No Unspecified | |
| USB | USB Type-C 3.2 Gen 2, DisplayPort, OTG USB Type-C 2.0, OTG | |
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Which Smartphone Should You Choose?
A decision to opt either for the Xiaomi 17 Ultra or the Vivo Y21 can be arrived at after weighing the features that each gadget offers against the requirements of a user. Both the phones are meant to serve people who require superior camera operations, usability, and energy consumption.
While the Xiaomi 17 Ultra is suitable for consumers who need an all-round performance with efficient picture handling capabilities and a prolonged battery power supply, the Vivo Y21 is made for those who would wish to have a high-end design, superior camera resolution, and top-tier performance.
Xiaomi 17 Ultra Vs Vivo Y21: Display and Design
The display screen in the Xiaomi 17 Ultra smartphone measures 6.9 inches, LTPO AMOLED display that provides users with a vivid experience while using their smartphones. The display provides smooth scrolling, proper color accuracy, and a great viewing experience, which is ideal for such functions as watching videos, playing games, and browsing the web.
In comparison to the above device, the Vivo Y21 smartphone features a 6.74 inches, IPS LCD display that is brighter, sharper, and more responsive to provide users with an excellent experience, especially outdoors and when using their phone for long hours. Together with its robust build quality and ultra design, this phone can be regarded as a premium product.
Xiaomi 17 Ultra Vs Vivo Y21: Performance and Software
The Xiaomi 17 Ultra and Vivo Y21 come with smooth interface navigation and long-term software support, providing strong performance and a stable software experience for flagship users. The devices are capable of handling gaming, multitasking, and camera operations with ease, making them perfect for power users.
Xiaomi 17 Ultra Vs Vivo Y21: Battery life
One of the main features differentiating these devices is battery capacity. The first device, Xiaomi 17 Ultra comes with a 6500 mAh battery. It allows for an extended period of device usage during tasks such as streaming, gaming, and multi-tasking. Therefore, it is an excellent choice for those who care more about battery life than anything else.
On the other hand, Vivo Y21 has a 6500 mAh battery, which is specifically developed to work efficiently. Even though the battery capacity of this device is less compared to the first one, it can be used reliably due to optimized energy consumption.
Xiaomi 17 Ultra Vs Vivo Y21: Cameras
While the Xiaomi 17 Ultra camera comes with a 200MP pixel count, which is efficient enough to take quality images with accurate colors and well-managed dynamic ranges, the software of the phone can help capture clear and bright photos in low lighting environments and portraits.
Conversely, the Vivo Y21 has an impressive 50MP camera system that caters to ultra-high resolution photography. The camera system offers enhanced detail, accurate color representation, and diverse shooting options.
Xiaomi 17 Ultra Vs Vivo Y21: Which one is right for you?
The Xiaomi 17 Ultra is packed with some of the best features in terms of performance, cameras, and battery life. The fact that it features 200MP cameras and 6500 mAh battery capacity means that it is one of the smartphones that can deliver good performance and even better cameras. This phone suits the user who cares about Fingerprint(under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer .
Alternatively, the Vivo Y21 is known for its exceptional camera system with 50MP as well as the battery life of 6500 mAh , which is amazing. For people who like to have Fingerprint (side-mounted), accelerometer, proximity, compass , this phone will be perfect for them. Both phones are really good and unique in their own ways, and it comes down to personal preference.