vivo Y55 5G vs Oppo A78: A Detailed Comparison
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🏆 Quick Verdict
The Oppo A78 takes the crown thanks to its significantly faster 33W charging and similar performance. While both phones share the same Dimensity 700 chipset, the A78's charging speed makes a noticeable difference in daily use, offering a more convenient experience.
| PHONES | ||
|---|---|---|
| Phone Names | vivo Y55 5G | Oppo A78 |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 39, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 |
| 5G bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 78 SA/NSA | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| - | IP54 | |
| Launch | ||
|---|---|---|
| Announced | 2022, January 17 | 2023, January 07 |
| Status | Available. Released 2022, January 17 | Available. Released 2023, January 07 |
| Body | ||
|---|---|---|
| Build | Glass front, plastic frame, plastic back | - |
| Dimensions | 164 x 75.9 x 8.3 mm (6.46 x 2.99 x 0.33 in) | 163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 187 g (6.60 oz) | 188 g (6.63 oz) |
| Display | ||
|---|---|---|
| Protection | - | Panda glass |
| Resolution | 1080 x 2408 pixels, 20:9 ratio (~401 ppi density) | 720 x 1612 pixels, 20:9 ratio (~269 ppi density) |
| Size | 6.58 inches, 104.3 cm2 (~83.8% screen-to-body ratio) | 6.56 inches, 103.4 cm2 (~84.0% screen-to-body ratio) |
| Type | IPS LCD | IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| Chipset | Mediatek Dimensity 700 (7 nm) | Mediatek Dimensity 700 (7 nm) |
| GPU | Mali-G57 MC2 | Mali-G57 MC2 |
| OS | Android 11, Funtouch 12 | Android 12, upgradable to Android 14, ColorOS 14 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC | microSDXC |
| Internal | 128GB 4GB RAM, 128GB 6GB RAM | 128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| - | UFS 2.2 | |
| Main Camera | ||
|---|---|---|
| Dual | - | 50 MP, f/1.8, 27mm (wide), PDAF Auxiliary lens |
| Features | Dual-LED flash, HDR, panorama | LED flash, HDR, panorama |
| Single | 8 MP, f/1.8, (wide) | 8 MP, f/2.0, 27mm (wide) |
| Triple | 50 MP, f/1.8, 26mm (wide), PDAF 2 MP (macro) Auxiliary lens | - |
| Video | 1080p@30fps, gyro-EIS | 1080p@30fps |
| Selfie camera | ||
|---|---|---|
| Single | 8 MP, f/1.8, (wide) | 8 MP, f/2.0, 27mm (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 5.1, A2DP, LE | 5.3, A2DP, LE, aptX |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Radio | FM radio | No |
| USB | USB Type-C, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 18W wired | 33W wired, PD, 52% in 30 min, 100% in 67 min |
| Type | 5000 mAh | Li-Po 5000 mAh |
| Misc | ||
|---|---|---|
| Colors | Black, Blue | Glowing Black, Glowing Purple |
| Models | V2127, V2154 | CPH2483, CPH2495 |
| Price | About 250 EUR | € 188.99 / $ 102.92 / ₹ 16,290 |
vivo Y55 5G
- Clean Software Experience
- Sleek Design (subjective)
- Decent Performance for the Price
- Slow 18W Charging
- Potentially Less Feature-Rich Software
Oppo A78
- Fast 33W Charging
- Feature-Rich ColorOS
- Good Value for Money
- ColorOS can be a bit cluttered
- Performance is adequate, not exceptional
Display Comparison
Both phones feature a 6.5-inch display, likely with an FHD+ resolution. While specific panel types (LCD vs AMOLED) aren't explicitly stated, expect similar visual quality. The Oppo A78 might have slightly better color accuracy due to Oppo's display tuning, but the difference will be minimal for most users.
Camera Comparison
The vivo Y55 5G likely features a triple camera setup with a primary sensor around 48MP, while the Oppo A78 also has a triple camera setup, potentially with a slightly higher resolution primary sensor (around 50MP). Image quality will depend on software processing, but expect decent results in good lighting conditions. Low-light performance will likely be comparable.
Performance
Powered by the same Mediatek Dimensity 700 chipset and CPU configuration, performance should be virtually identical in everyday tasks and light gaming. Neither phone is a powerhouse, but they're capable of handling social media, browsing, and basic apps without issue. Expect some limitations with demanding games at higher settings.
Battery Life
The Oppo A78's 33W fast charging is a major advantage. The vivo Y55 5G's 18W charging is considerably slower. Both phones likely have a similar battery capacity (around 5000mAh), but the Oppo A78 will charge much faster, significantly reducing downtime.
Buying Guide
The vivo Y55 5G is a good choice for users prioritizing a clean software experience and slightly better design aesthetics. The Oppo A78 is ideal for those who value fast charging and a more feature-rich software experience, even if it means a slightly less minimalist interface.