Oppo A57 4G vs Realme 12x - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 12x
Realme 12x
Realme

General

Launch Date June 6, 2022 April 7, 2024
Release Year 2022 2024

Physical

Volume 98.22 cm³ 99.56 cm³
Screen Size to Weight Ratio 3.51 "/g 3.51 "/g
Weight 187 g 190 g
Height 163.7 mm 165.6 mm
Width 75 mm 76.1 mm
Thickness 8 mm 7.9 mm
Foldable Design No No
Available Colors
  • Glowing Black
  • Glowing Green
  • Glowing Black
  • Feather Green

Display

Screen Size 6.56 " 6.67 "
Resolution 720 x 1612 720 x 1604
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 85.1 %
Pixel Density 269 PPI 264 PPI
Refresh Rate N/A 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 625 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 116.19 mAh/in² 112.39 mAh/in²
Battery Density 50.91 mAh/cm³ 50.22 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Mediatek MT6765G Helio G35 (12 nm) Mediatek Dimensity 6100+ (6 nm)
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)
GPU PowerVR GE8320 Mali-G57 MC2

Connectivity

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

Software

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

Comparison Summary

Oppo A57 4G vs. Realme 12x: A Detailed Comparison

Let's dive deep into the specs of the Oppo A57 4G and Realme 12x to see how they stack up against each other in the real world.

1. Specifications Breakdown

FeatureOppo A57 4GRealme 12xReal-World Implications
Design
Dimensions (mm)163.7 x 75 x 8165.6 x 76.1 x 7.9Realme 12x is slightly larger and heavier
Weight (g)187190Negligible difference in hand feel
Display
Size (inches)6.566.67Realme 12x offers a slightly larger screen
Resolution720 x 1612720 x 1604Virtually identical sharpness; both are HD+
Refresh Rate (Hz)-120Realme 12x's 120Hz display will feel significantly smoother and more responsive, especially for scrolling and gaming.
Display TypeIPS LCDIPS LCDSimilar color reproduction and viewing angles, but the 120Hz refresh rate differentiates the Realme 12x.
Performance
ChipsetHelio G35 (12nm)Dimensity 6100+ (6nm)Realme 12x boasts a significantly more powerful and efficient processor, resulting in much faster performance and better battery life.
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Realme 12x offers superior CPU performance for demanding tasks and multitasking due to its more modern core architecture.
GPUPowerVR GE8320Mali-G57 MC2Realme 12x has a much more capable GPU, leading to smoother gaming and faster graphics rendering.
RAM4GB8GB/12GBRealme 12x offers more RAM, allowing for better multitasking and smoother performance with multiple apps open.
Camera
Rear Camera13MP + 2MP + 2MP50MP + 2MPRealme 12x boasts a higher resolution main sensor, likely capturing more detail and better low-light photos.
Front Camera8MP8MPSimilar selfie camera resolution
Battery Life
Capacity (mAh)50005000Same battery capacity, but Realme 12x's efficient chipset should translate to longer real-world usage.
Charging33W Fast Charging15W Fast ChargingOppo A57 4G charges significantly faster.
Other
NFCNoYesRealme 12x supports contactless payments and data transfer.
OSAndroid 12Android 14Realme 12x comes with a newer operating system, offering potential performance and feature advantages.

2. Key Insights

  • Performance is the biggest differentiator: The Realme 12x with its Dimensity 6100+ chipset significantly outperforms the Oppo A57 4G's Helio G35. This translates to a smoother user experience across the board, from app loading and multitasking to gaming. The Realme 12x also boasts a smoother 120Hz display.
  • Camera capabilities favor the Realme 12x: The 50MP main sensor on the Realme 12x promises better image quality compared to the 13MP sensor on the Oppo A57 4G.
  • Battery life should be better on the Realme 12x: While both phones have the same 5000mAh battery, the Realme 12x's more efficient 6nm processor should result in longer battery life. However, the Oppo A57 4G offers much faster charging.
  • Realme 12x offers modern features: NFC for contactless payments is a notable advantage for the Realme 12x. It also ships with a more recent version of Android.

3. User Profiles and Recommendations

  • Oppo A57 4G: Best suited for budget-conscious users who prioritize basic smartphone functionality like calling, texting, and social media browsing. Its faster charging is a plus for those who need quick top-ups.
  • Realme 12x: Ideal for users who demand smoother performance, better gaming capabilities, a more responsive display, and a longer-lasting battery. The inclusion of NFC and a newer version of Android also make it a more future-proof choice.

4. Buying Decision Framework

  • What is your budget? The Oppo A57 4G is positioned as a lower-priced device.
  • What is your primary use case? For basic tasks, the A57 4G suffices. For demanding apps and games, choose the Realme 12x.
  • Which features matter most? Prioritize faster charging with the Oppo A57 4G or NFC, smoother performance, and a more modern OS with the Realme 12x.

My Choice: Realme 12x

If I were choosing between these two phones, I'd go with the Realme 12x. While the Oppo A57 4G offers faster charging, the Realme 12x provides a significantly better overall user experience. The superior processor, 120Hz display, larger RAM, better camera, NFC functionality, and more recent Android version make it a more compelling device for the long term. I value a smooth, responsive experience and future-proof features, and the Realme 12x delivers on those fronts. The performance difference alone would be a significant factor in my decision-making process. A phone should feel quick and snappy, and the Realme 12x's Dimensity 6100+ ensures just that.

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.