This is a side-by-side specs comparison of the Vivo Y81i and Redmi 15 5G smartphones.
The Vivo Y81i features a more compact 6.22-inch display, 3,260mAh battery and MediaTek MT6761 chipset.
Meanwhile, the Redmi 15 5G features a larger 6.9-inch display, 50MP main camera, 7,000mAh battery, 33W fast charging and IP64 dust & water resistance.
| Specs | Vivo Y81i | Redmi 15 5G |
|---|---|---|
| Picture & Ratings |
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| Design and Display | ||
| Display | 6.22-inch HD+ IPS LCD Display (720 x 1520 Pixels 270 ppi) with 19:9 Aspect Ratio, Rounded Corners and Notch | 6.9-inch FHD+ IPS LCD Display (1080 x 2340 Pixels, 374 ppi) with up to 144Hz Refresh Rate (supported apps only), 700nits typical brightness, 850nits HBM, and punch-hole |
| Size | 155.06 x 75 x 7.77 mm | 169.48 x 80.45 x 8.4 mm |
| Weight | 143 g | 217 g |
| Build | Plastic | Glass front, Plastic back |
| Durability | IP64 dust & splash resistance | |
| Colors | Black and Red | Midnight Black, Titan Gray, Ripple Green |
| Our pick: |
✔
Redmi 15 5G The Redmi 15 5G has a larger and sharper display. It also has better build materials and is more durable, while the Vivo Y81i is lighter and thinner. |
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| Performance | ||
| Chipset | MediaTek MT6761 | Qualcomm Snapdragon 6s Gen 3 (6 nm) |
| CPU | Quad Core CPU 4x Cortex-A53 @ 2.0GHz |
Octa Core CPU 2x Cortex-A78 @ 2.3GHz & 6x Cortex-A55 @ 2.0GHz |
| GPU | PowerVR GE8300 | Adreno 619 |
| RAM | 2 GB | 4 GB |
| Storage | 16GB | 128GB |
| Expansion | 128GB via microSD | 2TB via microSD |
| OS | Android 8.1 Oreo with Functouch OS 4.0 | Android 15 with Xiaomi HyperOS 2 |
| Our pick: |
✔
Redmi 15 5G
The Redmi 15 5G has better performance and a higher maximum RAM capacity. |
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| Cameras | ||
| Rear Camera | 13 Megapixels (f/2.2 Aperture) Autofocus LED Flash |
Dual Cameras: 50MP Main Camera (f/1.8 aperture, Autofocus) Auxiliary lens -LED Flash -Up to 1080p@30fps video recording |
| Front Camera |
5 Megapixels (f/2.2 Aperture) |
8 Megapixels (f/2.0 aperture) - Up to 1080p@30fps video recording |
| Our pick: |
✔
Redmi 15 5G
Based on the specs, Redmi 15 5G has a higher-resolution 50MP main camera. |
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| Connectivity | ||
| Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks | 5G, 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n/ac (dual band) |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| NFC | No | No |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 |
| Infrared | Yes | |
| Location | A-GPS | GPS, GLONASS, GALILEO, BeiDou |
| Our pick: |
✔
Redmi 15 5G
The Redmi 15 5G has better cellular connectivity. |
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| Audio and Features | ||
| USB OTG | Yes | Yes |
| USB | MicroUSB 2.0 | USB Type-C |
| 3.5mm Audio Jack | Yes | No |
| Audio Enhancement | None | Dolby Atmos |
| FM Radio | Yes | No |
| Sensors |
Face Recognition Proximity Sensor & Ambient Light Sensor Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass & Accelerometer |
| Our pick: |
✔
Redmi 15 5G
Based on the specs, it has Dolby Atmos, a fingerprint sensor, and a compass. |
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| Battery and Charging | ||
| Battery | 3260 mAh Li-ion Battery (Non-removable) | 7000 mAh (Non-removable) |
| Charging |
33W Fast Charging (charger sold separately) 18W reverse charging |
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| Our pick: |
✔
Redmi 15 5G
The Redmi 15 5G has a larger battery capacity and faster charging. |
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| Price and Availability | ||
| Price | ₱7,999.00 - Official Price in the Philippines | ₱7,999.00 - Official Price in the Philippines |
| Release Date | October 2018 | September 30, 2025 |
| Buy Online |
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