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- C21Y vs Y15a
Realme C21Y vs Vivo Y15a
What C21Y does better (0) and where Y15a wins (5) — every spec side by side.
Dimensions
Size comparison
C21YY15a
| C21Y | Y15a | Difference | |
|---|---|---|---|
| Height | 164.5 mm | 164 mm | +0.5 mm |
| Width | 76 mm | 75.2 mm | +0.8 mm |
| Thickness | 9.1 mm | 8.3 mm | +0.8 mm |
| Weight | 200 g | 179 g | +21 g |
Drawn to the same scale from the official dimensions (front and side).
Why is C21Y better than Y15a?
C21Y has no measurable advantages in this pair.
Why is Y15a better than C21Y?
- CPU frequency1.8 GHz vs 2.3 GHz+28%
- Storage (base)32 GB vs 64 GB2×
- Weight200 g vs 179 g+12%
- Selfie camera5 MP vs 8 MP+60%
- Thickness9.1 mm vs 8.3 mm+10%
Specifications
Side by side
| Design | ||
| Weight | 200 g | 179 g |
| Thickness | 9.1 mm | 8.3 mm |
| Height | 164.5 mm | 164 mm |
| Width | 76 mm | 75.2 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Glass protection | Corning Gorilla Glass 3 | — |
| Colours | Cross Black, Cross Blue | Wave Green, Mystic Blue |
| Display | ||
| Screen size | 6.5″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,600 px | 1,600 px |
| Pixel density | 270 ppi | 270 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 400 nits | — |
| Screen-to-body ratio | 81.6% | 83% |
| Performance | ||
| Chipset | Unisoc T610 | Mediatek MT6765 Helio P35 |
| Chip maker | Unisoc | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 2.3 GHz |
| GPU | Mali-G52 MP2 | PowerVR GE8320 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 64 GB | 64 GB |
| Storage (base) | 32 GB | 64 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main camera aperture | f/2.2 | f/2.2 |
| Main sensor size | 1/3.06" | — |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 5 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | — | 10 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5 | 5 |
| NFC | No | No |
| USB | microUSB 2.0 | microUSB 2.0 |
| Satellite navigation | GLONASS, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Side |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 10/ Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | realme UI | Funtouch 11.1 |
