Realme C71 vs Oppo A55s: A Deep Dive into Budget Smartphone Performance

The Realme C71 and Oppo A55s represent compelling options in the crowded budget smartphone market. While both aim to deliver essential features at an accessible price point, they take distinctly different approaches to achieving this. The C71 prioritizes long-lasting battery life and rapid charging, while the A55s leans on a more established chipset for a potentially smoother user experience. This comparison will dissect their key specifications to determine which device offers the best value.
Phones Images

🏆 Quick Verdict

For the average user prioritizing all-day battery life and quick top-ups, the Realme C71 emerges as the winner. Its 65:46h endurance and 45W charging significantly outperform the Oppo A55s, despite the latter’s slightly more powerful CPU. However, users heavily invested in gaming or demanding applications may find the Oppo A55s’ Dimensity 700 a more suitable choice.

PHONES
Phone Names Realme C71 Oppo A55s
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100 - AsiaHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Asia1, 3, 5, 8, 34, 38, 39, 40, 41
5G bands-1, 28, 41, 77, 78
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / CDMA / HSPA / LTE / 5G
 -CDMA 800
Launch
Announced2025, June 022022, April 18
StatusAvailable. Released 2025, June 02Available. Released 2022, April 18
Body
Dimensions165.8 x 75.9 x 7.8 mm (6.53 x 2.99 x 0.31 in)163.9 x 75.7 x 8.4 mm (6.45 x 2.98 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight196 g (6.91 oz)186 g (6.56 oz)
Display
ProtectionMohs level 6-
Resolution720 x 1604 pixels, 20:9 ratio (~264 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.67 inches, 107.2 cm2 (~85.2% screen-to-body ratio)6.5 inches, 102.0 cm2 (~82.2% screen-to-body ratio)
TypeIPS LCD, 120Hz, 725 nits (peak)IPS LCD, 480 nits (peak)
Platform
CPUOcta-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
ChipsetUnisoc T7250 (12 nm)Mediatek Dimensity 700 (7 nm)
GPUMali-G57 MP1Mali-G57 MC2
OSAndroid 15, Realme UI 6.0Android 11, ColorOS 11.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC
Internal64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM128GB 6GB RAM, 128GB 8GB RAM
Main Camera
FeaturesLED flash, panoramaLED flash, HDR, panorama
Single50 MP, f/1.8, 27mm (wide), 1/2.88", PDAF8 MP, f/2.0, (wide)
Triple-13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens
Video1080p@30fps1080p@30fps
Selfie camera
Features-HDR
Single5 MP, f/2.2, 27mm (wide), 1/5.0"8 MP, f/2.0, (wide)
Video720p@30fps1080p@30fps
Sound
3.5mm jack -Yes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.2, A2DP, LE5.1, A2DP, LE, aptX HD
NFCYes (market/region dependent)No
PositioningGPS, GALILEO, GLONASS, BDSGPS, GLONASS, GALILEO, BDS, QZSS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging45W wired, 50% in 36 min (C71 model) 15W wired (P3 Lite model) 6W reverse wired10W wired
TypeMarket-dependent versions:· 6000 mAh - Europe· 6300 mAh - AsiaLi-Po 5000 mAh
Misc
ColorsMidnight Lily (Forest Owl), Lily White (White Swan), Green, WhiteBlack, Blue, Gold
ModelsRMX5303CPH2309
Price€ 84.69 / $ 113.38 / £ 118.99 / ₹ 6,874About 160 EUR
EU LABEL
Battery65:46h endurance, 1000 cycles-
EnergyClass A-
Free fallClass A (270 falls)-
RepairabilityClass B-

Realme C71

  • Exceptional battery life (65:46h endurance)
  • Ultra-fast 45W charging
  • Long-term battery health (1000 cycles)

  • Potentially lower peak CPU performance
  • Unisoc chipset may have limited software support

Oppo A55s

  • More powerful CPU (Dimensity 700)
  • 7nm process for better efficiency under load
  • Established chipset with wider software compatibility

  • Significantly slower 10W charging
  • Lower battery endurance (data unavailable)

Display Comparison

Neither device boasts a standout display. Details regarding panel type, resolution, and refresh rate are absent from the provided data, suggesting both likely utilize standard LCD panels common in this price bracket. The focus here shifts to internal performance. Bezels are likely comparable, given the similar target market. Color accuracy is also expected to be standard for the price point, prioritizing power efficiency over color fidelity.

Camera Comparison

Without detailed camera specifications, a direct comparison is limited. Both phones likely feature a primary camera alongside auxiliary lenses, but the quality will heavily depend on sensor size and image processing. The absence of information regarding sensor size or aperture suggests neither phone will excel in low-light photography. The inclusion of a 2MP macro lens on either device is likely a marketing feature with limited practical benefit. Image processing will likely be tuned for vibrant colors and social media sharing, rather than natural accuracy.

Performance

The core difference lies in the chipsets. The Oppo A55s’ MediaTek Dimensity 700 (7nm) features Cortex-A76 cores clocked at 2.2 GHz, offering a theoretical performance advantage over the Realme C71’s Unisoc T7250 (12nm) with its 1.8 GHz Cortex-A75 cores. The 7nm process node of the Dimensity 700 also translates to better power efficiency under load. However, the Unisoc T7250’s architecture is newer, and real-world performance will depend on software optimization. The A55s’ CPU clock speed is 20% higher, suggesting a noticeable difference in app launch times and responsiveness. The C71’s 1000-cycle battery claim suggests a focus on long-term performance stability, potentially mitigating some of the efficiency gap.

Battery Life

The Realme C71’s battery endurance of 65:46h is a significant advantage over the Oppo A55s (endurance data unavailable). This, combined with the C71’s 45W wired charging (50% in 36 minutes) and 6W reverse wired charging, provides a superior user experience. The A55s is limited to 10W wired charging, meaning significantly longer charging times. The C71’s 1000 charge cycle claim also suggests a longer lifespan for the battery, retaining capacity over extended use. The difference in charging speed alone makes the C71 a more convenient option for users who frequently need to top up their phone.

Buying Guide

Buy the Realme C71 if you need exceptional battery life, fast charging, and a phone that can reliably last through a full day of moderate to heavy use. It’s ideal for users who prioritize practicality and don’t require peak gaming performance. Buy the Oppo A55s if you prefer a slightly more powerful processor for smoother multitasking and occasional gaming, and are willing to compromise on battery endurance and charging speed. This phone suits users who value a responsive interface over extended runtime.

Frequently Asked Questions

❓ Does the Unisoc T7250 in the Realme C71 struggle with demanding games like PUBG or Call of Duty?
While the Unisoc T7250 is a capable processor for everyday tasks, it may not deliver the smoothest experience in graphically intensive games like PUBG or Call of Duty. You may need to lower graphics settings to achieve playable frame rates. The Oppo A55s’ Dimensity 700 offers a slight advantage in gaming performance, but neither phone is a dedicated gaming device.
❓ How long will it realistically take to fully charge the Oppo A55s from 0% with its 10W charging?
With 10W charging, a full charge from 0% on the Oppo A55s will likely take over 3 hours, potentially closer to 4 hours depending on usage during charging. This is a significant drawback compared to the Realme C71’s 45W charging, which can reach 50% in just 36 minutes.
❓ Is the 6W reverse wired charging on the Realme C71 useful for charging accessories like earbuds?
Yes, the 6W reverse wired charging is a convenient feature for topping up accessories like wireless earbuds or a smartwatch. While it won’t rapidly charge larger devices, it provides a useful emergency charging option when a power outlet isn’t available.