This is a side-by-side smartphone specs comparison of the realme 15T and vivo Y21d.
The realme 15T has a 6.57-inch display, MediaTek Dimensity 6400 Max (6 nm) processor, dual cameras, 5G connectivity, and 7000mAh battery.
Meanwhile, the vivo Y21d has a 6.68-inch display, UNISOC T7225 (12 nm) processor, dual cameras, 4G LTE connectivity, and 6500mAh battery.
| Specs | realme 15T | vivo Y21d |
|---|---|---|
| Picture |
★★★★★ 4.4/5 stars (4 ratings)
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★★★★★ 3.5/5 stars (12 ratings)
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| Screen | 6.57-inch FHD+ AMOLED Display (1080 x 2372 Pixels, 401 ppi) with 120Hz Refresh Rate, 1000nits typical brightness, 1400nits HBM, 4000nits peak, 2160Hz PWM, and punch-hole | 6.68-inch HD+ IPS LCD Display (720 x 1608 Pixels, 264 ppi) with Guardian Glass, 90Hz Refresh Rate, 1000nits HBM, and punch-hole |
| OS | Android 15 with realme UI 6.0, Up to 3 major OS upgrades | Android 15 with Funtouch OS 15 |
| Chipset | MediaTek Dimensity 6400 Max (6 nm) | UNISOC T7225 (12 nm) |
| CPU | Octa Core CPU 2x Cortex-A76 @ 2.5GHz & 6x Cortex-A55 @ 2.0GHz |
Octa Core CPU 2x Cortex-A75 @ 1.8GHz & 6x Cortex-A55 @ 1.8GHz |
| GPU | Mali-G57 MC2 | Mali-G52 MP1 |
| RAM | 8GB or 12GB of RAM | 4GB or 6GB of RAM |
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| Rear Camera | Dual Cameras: 50MP Main Camera (f/1.8 aperture, Autofocus) 2MP Depth Sensor -LED Flash -Up to 1080p@30fps video recording |
Dual Cameras: 50MP Main Camera (f/1.8 aperture, Autofocus) VGA auxiliary camera -Dual LED Flash -Up to 1080p@30fps video recording |
| Front Camera |
50 Megapixels (f/2.4 aperture) - Up to 1080p@60fps video recording |
5 Megapixels (f/2.2 aperture) - Up to 1080p@30fps video recording |
| Storage | 256GB or 512GB (UFS 2.2) | 128GB or 256GB (eMMC 5.1) |
| Expansion | 2TB via microSD | 2TB via microSD |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| Networks | 5G, 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n/ac (dual band) | Wi-Fi 802.11 b/g/n/ac (dual band) |
| NFC | No | No |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.2 |
| Infrared | Yes | No |
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| Position | GPS, GLONASS, GALILEO, BeiDou, QZSS | GPS, GLONASS, GALILEO, BeiDou, QZSS |
| USB OTG | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| 3.5mm Audio Jack | No | No |
| Audio Enhancement | Stereo Dual Speakers | Dual Speakers, Up to 400% volume |
| FM Radio | No | Yes |
| Sensors |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass & Accelerometer Ring notification LED (Dynamic Light) |
| Battery | 7000 mAh Si/C Battery (Non-removable) 60W Fast Charging (50% in 31 minutes) Bypass charging |
6500 mAh (Non-removable) 44W Fast Charging (50% in 38 minutes) |
| Material | Glass front, Plastic back (IP68/IP69 dust & water resistance) | Glass front, Plastic composite back (IP68/IP69 dust & water resistance, SGS 5-star Drop Resistance, MIL-STD-810H Shock Resistance) |
| Size | 158.36 x 75.19 x 7.89 mm (Silver) or 7.79 mm (Blue & Titanium) | 166.14 x 77.01 x 8.39 mm |
| Weight | 183 g | 209 g |
| Colors | Suit Titanium, Silk Blue, Flowing Silver | Glowing Black, Coral Red, Lavender Purple |
| Release Date | October 8, 2025 | September 28, 2025 |
| Price | No official price in the Philippines yet. | ₱6,999.00 - Official price of 4GB+128GB version in the Philippines ₱8,999.00 - Official price of 6GB+256GB version in the Philippines |
| Buy Online |
realme 15T on Lazada realme 15T on Shopee |
vivo Y21d on Lazada vivo Y21d on Shopee |