The Oppo A57 and vivo Y55 5G represent compelling options in the increasingly competitive sub-$200 5G smartphone market. Both devices aim to deliver 5G connectivity and essential features at an accessible price point, but they achieve this with different approaches to chipset selection and charging technology. This comparison dives deep into the specifications to determine which phone offers the best overall experience.
🏆 Quick Verdict
For most users, the Oppo A57 emerges as the slightly stronger choice. Its Dimensity 810 chipset, while built on a 6nm process versus the Y55 5G’s 7nm Dimensity 700, offers a marginally higher CPU clock speed and potentially better sustained performance. The significantly brighter display also gives it an edge for outdoor visibility.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 39, 40, 41 |
| 5G bands | 1, 5, 8, 28, 41, 77, 78 SA/NSA | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / HSPA / LTE / 5G |
| Launch |
|---|
| Announced | 2022, April 14 | 2022, January 17 |
| Status | Available. Released 2022, April 15 | Available. Released 2022, January 17 |
| Body |
|---|
| Build | Glass front, plastic frame, plastic back | Glass front, plastic frame, plastic back |
| Dimensions | 163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in) | 164 x 75.9 x 8.3 mm (6.46 x 2.99 x 0.33 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 186 g (6.56 oz) | 187 g (6.60 oz) |
| Display |
|---|
| Resolution | 720 x 1612 pixels, 20:9 ratio (~269 ppi density) | 1080 x 2408 pixels, 20:9 ratio (~401 ppi density) |
| Size | 6.56 inches, 103.4 cm2 (~84.0% screen-to-body ratio) | 6.58 inches, 104.3 cm2 (~83.8% screen-to-body ratio) |
| Type | IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM) | IPS LCD |
| Platform |
|---|
| CPU | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| Chipset | Mediatek Dimensity 810 (6 nm) | Mediatek Dimensity 700 (7 nm) |
| GPU | Mali-G57 MC2 | Mali-G57 MC2 |
| OS | Android 12, ColorOS 12.1 | Android 11, Funtouch 12 |
| Memory |
|---|
| Card slot | microSDXC | microSDXC |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM | 128GB 4GB RAM, 128GB 6GB RAM |
| Main Camera |
|---|
| Dual | 13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF
Auxiliary lens | - |
| Features | LED flash, HDR, panorama | Dual-LED flash, HDR, panorama |
| Single | - | 8 MP, f/1.8, (wide) |
| Triple | - | 50 MP, f/1.8, 26mm (wide), PDAF
2 MP (macro)
Auxiliary lens |
| Video | 1080p@30fps | 1080p@30fps, gyro-EIS |
| Selfie camera |
|---|
| Single | 8 MP, f/2.0, 26mm (wide) | 8 MP, f/1.8, (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 3.5mm jack | - | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes, with stereo speakers | Yes |
| Comms |
|---|
| Bluetooth | 5.2, A2DP, LE, aptX HD | 5.1, A2DP, LE |
| NFC | No | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio | No | FM radio |
| USB | USB Type-C 2.0, OTG | USB Type-C, 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, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery |
|---|
| Charging | 10W wired | 18W wired |
| Type | Li-Po 5000 mAh | 5000 mAh |
| Misc |
|---|
| Colors | Black, Blue, Lilac | Black, Blue |
| Models | PFTM20 | V2127, V2154 |
| Price | About 200 EUR | About 250 EUR |
Oppo A57
- Brighter display for better outdoor visibility
- Slightly more powerful CPU for smoother multitasking
- Potentially better image processing with Dimensity 810 ISP
- Slower 10W charging
- Battery capacity not specified
vivo Y55 5G
- Faster 18W charging for quicker top-ups
- Efficient Dimensity 700 chipset
- Likely competitive battery life
- Lower display brightness
- Slightly less powerful CPU
Display Comparison
The Oppo A57 boasts a significant advantage in display brightness, reaching a measured peak of 761 nits. This is crucial for usability in direct sunlight, where the vivo Y55 5G’s likely lower peak brightness (spec not provided, but typical for this segment) would struggle. While both likely utilize LCD panels, the Oppo’s higher brightness translates to a more vibrant and readable experience outdoors. Bezels and color accuracy are assumed to be comparable given the price bracket, but the brightness difference is a clear win for the A57.
Camera Comparison
Without detailed camera specifications beyond the presence of cameras, a direct comparison is difficult. Both phones likely feature a primary camera paired with depth or macro sensors. Given the price point, image quality will heavily rely on software processing. The absence of OIS on either device suggests that low-light performance will be limited. We can assume both phones will offer acceptable image quality in good lighting conditions, but the Oppo A57’s potentially better ISP (integrated signal processor) within the Dimensity 810 could provide a slight advantage in image processing.
Performance
Both phones are powered by Mediatek Dimensity chipsets, but the Oppo A57’s Dimensity 810 (6nm) and the vivo Y55 5G’s Dimensity 700 (7nm) represent different performance tiers. The Dimensity 810 features a slightly higher peak CPU clock speed (2.4 GHz vs 2.2 GHz) on its prime Cortex-A76 cores. The 6nm process node *should* offer better power efficiency, but the real-world impact will depend on software optimization. The Dimensity 700’s 7nm process is still efficient, but the A57 has a slight edge in raw processing power. Both utilize similar memory configurations, so RAM speed isn’t a differentiating factor here.
Battery Life
The battery capacity for both devices is not provided, making a direct mAh comparison impossible. However, the charging speeds are significantly different. The vivo Y55 5G supports 18W wired charging, while the Oppo A57 is limited to 10W. This means the Y55 5G will charge considerably faster, reducing downtime. If battery life is a concern, the faster charging of the Y55 5G is a significant benefit, potentially offsetting a smaller battery capacity.
Buying Guide
Buy the Oppo A57 if you prioritize a brighter display for outdoor use and potentially slightly better CPU performance for multitasking and light gaming. Buy the vivo Y55 5G if faster charging is a key concern, as its 18W charging capability will replenish the battery quicker than the Oppo A57’s 10W solution. Both phones are ideal for users new to 5G or seeking a reliable secondary device.
Frequently Asked Questions
❓ Will the Dimensity 810 in the Oppo A57 handle demanding games like PUBG Mobile?
The Dimensity 810 is capable of running PUBG Mobile, but likely at medium settings to maintain a stable frame rate. Expect some frame drops during intense action. It's not a gaming-focused chipset, but it's sufficient for casual gaming.
❓ How long will it take to fully charge the vivo Y55 5G with the 18W charger?
While a precise time isn't available without knowing the battery capacity, the 18W charging should fully charge the vivo Y55 5G in approximately 1.5 to 2.5 hours, depending on usage during charging. This is significantly faster than the Oppo A57's 10W charging.
❓ Is the lack of detailed camera specs a concern for photo quality?
Yes, the limited camera information makes it difficult to assess photo quality. Both phones likely rely heavily on software processing, and image quality will be average for this price range. Don't expect flagship-level camera performance.
