The Oppo A54 and Realme C25s represent compelling options in the ultra-budget smartphone segment. Both aim to deliver essential features at a low price point, but they diverge significantly in their core processing power. This comparison dissects the key differences to determine which device offers the best value for your money, focusing on performance, battery, and everyday usability.
🏆 Quick Verdict
For most users, the Realme C25s emerges as the better choice. Its Helio G85 chipset, featuring more powerful Cortex-A75 cores, provides a noticeable performance uplift over the Oppo A54’s Helio P35, particularly in gaming and multitasking. While both offer 18W charging, the C25s adds the convenience of 5W reverse wired charging.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 3, 5, 8, 38, 40, 41 | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch |
|---|
| Announced | 2021, March 26 | 2021, June 08 |
| Status | Available. Released 2021, April 01 | Available. Released 2021, June 09 |
| Body |
|---|
| Build | - | Glass front, plastic back, plastic frame |
| Dimensions | 163.6 x 75.7 x 8.4 mm (6.44 x 2.98 x 0.33 in) | 164.5 x 75.9 x 9.6 mm (6.48 x 2.99 x 0.38 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 192 g (6.77 oz) | 209 g (7.37 oz) |
| Display |
|---|
| Resolution | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| Size | 6.51 inches, 102.3 cm2 (~82.6% screen-to-body ratio) | 6.5 inches, 102.0 cm2 (~81.7% screen-to-body ratio) |
| Type | IPS LCD | IPS LCD, 480 nits (typ), 570 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| Chipset | Mediatek MT6765 Helio P35 (12 nm) | Mediatek MT6769Z Helio G85 (12 nm) |
| GPU | PowerVR GE8320 | Mali-G52 MC2 |
| OS | Android 10, ColorOS 7.2 | Android 11, Realme UI 2.0 |
| Memory |
|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM | 64GB 4GB RAM, 128GB 4GB RAM |
| | - | eMMC 5.1 |
| Main Camera |
|---|
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Single | 16 MP, f/2.0, (wide), 1/3.06", 1.0µm | 8 MP, f/2.0, 26mm (wide), 1/4.0", 1.12µm |
| Triple | 13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF
2 MP (macro)
Auxiliary lens | 48 MP, f/1.8, 26mm (wide), PDAF (International model)
or
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF (India model)
2 MP (macro)
Auxiliary lens |
| Video | 1080p@30fps | 1080p@30/60fps |
| Selfie camera |
|---|
| Features | HDR | HDR, panorama |
| Single | 16 MP, f/2.0, (wide), 1/3.06", 1.0µm | 8 MP, f/2.0, 26mm (wide), 1/4.0", 1.12µm |
| Video | 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms |
|---|
| Bluetooth | 5.0, A2DP, LE, aptX HD | 5.0, A2DP, LE |
| NFC | No | No |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, BDS |
| Radio | FM radio | Unspecified |
| USB | USB Type-C 2.0, 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, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity, compass |
| Battery |
|---|
| Charging | 18W wired | 18W wired
5W reverse wired |
| Type | Li-Po 5000 mAh | 6000 mAh |
| Misc |
|---|
| Colors | Crystal Black, Starry Blue | Water Blue, Water Gray |
| Models | CPH2239 | RMX3195, RMX3197 |
| Price | About 160 EUR | About 180 EUR |
Oppo A54
- Potentially more stable performance for basic tasks
- Clean and simple user interface (typical of Oppo)
- Reliable brand reputation
- Significantly weaker performance in gaming and multitasking
- Lacks reverse charging capability
- Older chipset architecture
Realme C25s
- Superior performance thanks to the Helio G85 chipset
- 5W reverse wired charging for accessory top-ups
- More capable GPU for gaming
- Realme’s ColorOS can be more resource-intensive
- Potentially more aggressive background app management
Display Comparison
Neither Oppo nor Realme provide detailed display specifications beyond basic resolution. Both likely utilize LCD panels, common in this price bracket. The absence of high refresh rates or advanced features like LTPO suggests a focus on cost reduction. While subjective, the Realme C25s may benefit from slightly better color calibration due to Realme’s generally more vibrant display tuning, though this is speculative without direct testing. Bezels are expected to be comparable, prioritizing screen real estate over premium aesthetics.
Camera Comparison
Both phones likely feature similar camera setups focused on affordability. Detailed sensor information is lacking, but the emphasis should be on the primary sensor. Without specific megapixel counts or aperture details, it’s difficult to declare a clear winner. However, Realme’s image processing algorithms generally lean towards more saturated and vibrant photos, which may appeal to some users. The inclusion of a 2MP macro camera on both devices is largely a marketing tactic, offering limited practical benefit due to the low resolution and lack of autofocus. The real-world difference in image quality will likely be minimal.
Performance
The core difference lies in the chipsets. The Realme C25s’ Mediatek Helio G85 utilizes a 12nm process and features a CPU configuration of 2x2.0 GHz Cortex-A75 cores and 6x1.8 GHz Cortex-A55 cores. This is a significant upgrade over the Oppo A54’s Helio P35, which employs 4x2.35 GHz Cortex-A53 and 4x1.8 GHz Cortex-A53 cores. The Cortex-A75 cores in the G85 offer substantially higher single-core performance, translating to snappier app launches and smoother multitasking. The G85 also boasts a more capable GPU, making it the clear winner for gaming. While both use 12nm fabrication, the architectural improvements of the G85 outweigh the slightly higher clock speeds of the P35.
Battery Life
Both the Oppo A54 and Realme C25s support 18W wired charging, suggesting comparable charging speeds – approximately 2-2.5 hours for a full charge. Battery capacity is not specified in the provided data, but typical capacities for phones in this segment range from 5000mAh to 6000mAh. The Realme C25s distinguishes itself with 5W reverse wired charging, allowing it to act as a power bank for accessories like earbuds or smartwatches, a feature absent on the Oppo A54. This adds a layer of convenience for users who rely on multiple devices.
Buying Guide
Buy the Oppo A54 if you prioritize a consistently stable, if slower, experience for basic tasks like calls, messaging, and light social media use. Its simpler chipset is less likely to encounter performance hiccups during these everyday activities. Buy the Realme C25s if you enjoy mobile gaming, frequently multitask between apps, or value the added utility of reverse wireless charging to top up accessories.
Frequently Asked Questions
❓ Will the Realme C25s be able to run demanding games like PUBG Mobile smoothly?
The Helio G85 in the Realme C25s is specifically designed for gaming. While you may need to lower graphics settings for optimal performance, it will provide a significantly smoother experience than the Oppo A54’s Helio P35, which will struggle with demanding titles.
❓ Does the Oppo A54 have any advantages for users who primarily use their phone for calls and messaging?
The Oppo A54’s Helio P35 chipset is sufficient for basic tasks like calls, messaging, and web browsing. Its simpler architecture may result in a more consistently stable experience for these everyday activities, avoiding the occasional stutter that could occur on the Realme C25s during multitasking.
❓ How useful is the reverse charging feature on the Realme C25s in real-world scenarios?
The 5W reverse charging on the Realme C25s is ideal for topping up accessories like wireless earbuds, smartwatches, or even a friend’s phone in an emergency. While it won’t fully charge a device quickly, it provides a convenient way to add a little extra power when you’re on the go.
