Oppo A57 4G vs Realme C51 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C51
Realme C51
Realme

General

Launch Date June 6, 2022 August 1, 2023
Release Year 2022 2023

Physical

Volume 98.22 cm³ 102.59 cm³
Screen Size to Weight Ratio 3.51 "/g 3.62 "/g
Weight 187 g 186 g
Height 163.7 mm 167.2 mm
Width 75 mm 76.7 mm
Thickness 8 mm 8 mm
Foldable Design No No
Available Colors
  • Glowing Black
  • Glowing Green
  • Mint Green
  • Carbon Black

Display

Screen Size 6.56 " 6.74 "
Resolution 720 x 1612 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 85.5 %
Pixel Density 269 PPI 260 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A 560 nits

Hardware

Battery Capacity per Screen Area 116.19 mAh/in² 110.07 mAh/in²
Battery Density 50.91 mAh/cm³ 48.74 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Mediatek MT6765G Helio G35 (12 nm) Unisoc Tiger T612 (12 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G57

Connectivity

USB Version 2.0 2.0
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0, OTG USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 12 13
Maximum OS Version 14

Comparison Summary

Oppo A57 4G vs. Realme C51: A Practical Comparison

Let's dive into a head-to-head comparison of the Oppo A57 4G and the Realme C51, dissecting their specifications and uncovering what they truly offer in terms of real-world performance.

1. Specifications Breakdown

FeatureOppo A57 4GRealme C51Real-World Implications
Design
Dimensions (mm)163.7 x 75 x 8167.2 x 76.7 x 8C51 slightly larger, but both are slim.
Weight (g)187186Negligible difference in hand feel.
Display
Size (inches)6.566.74C51 offers a larger viewing area.
Resolution720 x 1612720 x 1600Similar sharpness; barely noticeable difference.
Refresh Rate (Hz)-90C51's 90Hz provides smoother scrolling and animations.
Display TypeIPS LCDIPS LCDBoth offer good color reproduction and viewing angles, typical for IPS.
Performance
ChipsetHelio G35Unisoc T612T612 generally performs slightly better in benchmarks.
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)C51's CPU architecture may offer better performance in demanding tasks.
GPUPowerVR GE8320Mali-G57Mali-G57 potentially offers a slight edge in graphics performance.
RAM4GB4GBSimilar multitasking capabilities.
Camera
Main Camera13MP50MPC51 boasts significantly higher resolution, potentially capturing more detail.
Selfie Camera8MP5MPA57 offers a higher resolution front camera.
Battery Life
Capacity (mAh)50005000Both offer similar battery capacity.
Fast Charging33W33WIdentical fast charging speeds.
Other
NFCNoYesC51 supports contactless payments and data transfer.
OSAndroid 12Android 13C51 comes with a newer Android version out of the box.

2. Key Insights

  • Display: While both phones use IPS LCD technology, the Realme C51's 90Hz refresh rate is a significant advantage, delivering a noticeably smoother user experience.
  • Performance: The Realme C51, with its Unisoc T612 processor and Mali-G57 GPU, likely edges out the Oppo A57 in terms of overall processing power, particularly in gaming and demanding applications. However, for everyday tasks, the difference might be subtle.
  • Camera: The Realme C51's 50MP main camera stands out on paper. While megapixels aren't everything, the C51 has the potential to capture more detailed photos. However, real-world image quality depends heavily on sensor size and software processing, which isn't fully detailed here. The Oppo A57's higher resolution selfie camera might appeal to selfie enthusiasts.
  • Battery and Charging: Both devices offer comparable battery capacities and fast charging speeds, promising all-day usage and quick top-ups.
  • Software and Features: The Realme C51 ships with the more recent Android 13, potentially offering newer features and longer software support. The C51's NFC capability is a definite plus for contactless payments and data transfer.

3. User Profiles and Recommendations

  • Oppo A57 4G: Best suited for users prioritizing a compact design and reliable performance for everyday tasks like browsing, social media, and light photography.
  • Realme C51: A better choice for users seeking a smoother display experience, potentially better gaming performance, a higher-resolution main camera, and the convenience of NFC.

4. Buying Decision Framework

  1. Is a smooth display a priority? If yes, the C51's 90Hz refresh rate is a compelling reason to choose it.
  2. Do you need NFC for contactless payments? If this is essential, the C51 is the clear winner.
  3. What's your budget? While pricing information isn't comprehensive here, the C51 is listed as "medium price" while the A57 is "low price." Consider if the C51's advantages justify a potential price difference.

My Choice: Realme C51

If I were choosing between these two phones, I'd opt for the Realme C51. The 90Hz refresh rate dramatically improves the day-to-day user experience, making interactions feel more fluid and responsive. The inclusion of NFC is incredibly convenient for mobile payments and other tasks. While the processor differences might not be drastically noticeable for average users, the C51's slightly more powerful hardware, combined with the newer Android version, points towards better future-proofing and potentially longer software support. The 50MP camera, while needing further investigation regarding real-world performance, offers the potential for significantly better image quality. Overall, the Realme C51 offers a more compelling package for a potentially slightly higher price.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.