The sub-$200 smartphone market is fiercely competitive. Both the Oppo A57 4G and the vivo Y55s (2023) aim to deliver essential smartphone functionality at an accessible price. However, they take drastically different approaches to achieving this, particularly in their core processing power and charging capabilities. This comparison will dissect these differences to determine which device offers the best value.
🏆 Quick Verdict
For the average user prioritizing responsiveness and future-proofing, the vivo Y55s (2023) is the clear winner. Its Mediatek Dimensity 700 chipset, built on a more efficient 7nm process, provides a significant performance advantage over the Oppo A57 4G’s Helio G35, despite the Oppo’s faster 33W charging.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 39, 40, 41 |
| 5G bands | - | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 78 SA/NSA |
| Speed | HSPA, LTE | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE / 5G |
| Launch |
|---|
| Announced | 2022, May 27 | 2023, January 21 |
| Status | Available. Released 2022, June 06 | Available. Released 2023, January 21 |
| Body |
|---|
| Build | Glass front, plastic frame, plastic back | Glass front, plastic frame, plastic back |
| Dimensions | 163.7 x 75 x 8 mm (6.44 x 2.95 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 | 187 g (6.60 oz) | 187 g (6.60 oz) |
| | IP5X (dust), IPX4 (water) resistance | - |
| 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 (~84.2% screen-to-body ratio) | 6.58 inches, 104.3 cm2 (~83.8% screen-to-body ratio) |
| Type | IPS LCD | IPS LCD |
| Platform |
|---|
| CPU | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| Chipset | Mediatek MT6765G Helio G35 (12 nm) | Mediatek Dimensity 700 (7 nm) |
| GPU | PowerVR GE8320 | Mali-G57 MC2 |
| OS | Android 12, upgradable to Android 14, ColorOS 14 | Android 12, Funtouch 12 |
| Memory |
|---|
| Card slot | microSDXC | microSDXC |
| Internal | 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM | 128GB 4GB RAM, 128GB 6GB RAM |
| | eMMC 5.1 | - |
| 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/2.0, (wide) | 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 |
|---|
| Features | HDR | - |
| Single | 8 MP, f/2.0, (wide) | 8 MP, f/1.8, (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms |
|---|
| Bluetooth | 5.3, A2DP, LE, aptX HD | 5.1, A2DP, LE |
| NFC | No | Yes |
| Positioning | GPS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio | Unspecified | 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, proximity | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery |
|---|
| Charging | 33W wired, 50% in 30 min | 18W wired |
| Type | Li-Po 5000 mAh | 5000 mAh |
| Misc |
|---|
| Colors | Glowing Black, Glowing Green | Black, Blue |
| Models | CPH2387 | - |
| Price | About 440 EUR | About 250 EUR |
Oppo A57 4G
- Faster 33W charging for quick power-ups
- Potentially lower price point
- Simple and straightforward user experience
- Significantly weaker processor performance
- Less efficient chipset leading to potentially shorter battery life under load
- Likely struggles with multitasking and demanding apps
vivo Y55s (2023)
- More powerful and efficient Mediatek Dimensity 700 chipset
- Smoother multitasking and app performance
- Better long-term performance and future-proofing
- Slower 18W charging
- Potentially slightly higher price
- May not be ideal for users who solely prioritize charging speed
Display Comparison
Neither device boasts a standout display. Both likely utilize LCD panels, a common cost-saving measure in this segment. However, detailed specs like resolution and peak brightness are missing. The focus here is on internal performance, not visual fidelity. Bezels are expected to be relatively thick on both, contributing to a functional but not premium aesthetic.
Camera Comparison
Without detailed camera sensor information, a direct comparison is difficult. However, it’s safe to assume both phones rely on budget-friendly sensors. The presence of a 2MP macro camera on both devices suggests limited utility; these sensors typically produce low-quality images. The primary sensor’s aperture and size will be the determining factors, but this data is unavailable. Image processing will likely be heavily reliant on software algorithms to enhance image quality, and the Dimensity 700’s ISP (Image Signal Processor) may offer slightly better processing capabilities.
Performance
The core difference lies in the chipsets. The vivo Y55s (2023) features the Mediatek Dimensity 700, fabricated on a 7nm process. This translates to significantly improved power efficiency and performance compared to the Oppo A57 4G’s Mediatek Helio G35 (12nm). The Dimensity 700’s CPU configuration – 2x2.2 GHz Cortex-A76 and 6x2.0 GHz Cortex-A55 – is a substantial upgrade over the A57’s 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53. The Cortex-A76 cores in the Y55s offer a noticeable boost in single-core performance, crucial for app launch speeds and general responsiveness. While both phones likely feature similar RAM configurations, the superior chipset will allow the Y55s to handle more demanding tasks without significant slowdowns.
Battery Life
The Oppo A57 4G’s 33W wired charging is its standout feature. It promises a 50% charge in 30 minutes, a significant advantage for users who prioritize quick top-ups. The vivo Y55s (2023) is limited to 18W charging, which will take considerably longer to reach a full charge. However, the Dimensity 700’s superior power efficiency may offset this difference in real-world usage, potentially resulting in comparable battery life despite a potentially similar battery capacity (data unavailable).
Buying Guide
Buy the Oppo A57 4G if you prioritize extremely fast charging and are primarily focused on basic tasks like calls, messaging, and light social media use. The 33W charging will get you back up and running quickly. Buy the vivo Y55s (2023) if you value smoother multitasking, a more responsive user experience, and the ability to handle moderately demanding apps and games. The Dimensity 700 offers a substantial performance leap for a minimal price increase.
Frequently Asked Questions
❓ Will the vivo Y55s (2023) handle popular games like PUBG Mobile or Call of Duty?
The Mediatek Dimensity 700 is capable of running PUBG Mobile and Call of Duty, but likely at medium graphics settings to maintain a stable frame rate. The Helio G35 in the Oppo A57 4G will struggle with these titles, requiring significantly lower settings and potentially experiencing lag.
❓ How much slower is the charging on the vivo Y55s (2023) compared to the Oppo A57 4G?
The Oppo A57 4G’s 33W charging can reach 50% in 30 minutes. The vivo Y55s (2023) with 18W charging will take considerably longer – likely over an hour to reach 50%, and over two hours for a full charge. This is a significant difference for users who frequently need to quickly replenish their battery.
❓ Is the difference in processor performance between the Helio G35 and Dimensity 700 noticeable in everyday use?
Yes, the difference is quite noticeable. The Dimensity 700 provides a smoother and more responsive experience when opening apps, switching between tasks, and browsing the web. The Helio G35 may exhibit lag and slowdowns, especially with multiple apps open.
