Oppo Reno6 5G vs Oppo A57 4G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 11, 2021 June 6, 2022
Release Year 2021 2022

Physical

Volume 85.92 cm³ 98.22 cm³
Screen Size to Weight Ratio 3.53 "/g 3.51 "/g
Weight 182 g 187 g
Height 156.8 mm 163.7 mm
Width 72.1 mm 75 mm
Thickness 7.6 mm 8 mm
Foldable Design No No
Available Colors
  • Blue
  • Aurora
  • Purple
  • Stellar Black
  • Glowing Black
  • Glowing Green

Display

Screen Size 6.43 " 6.56 "
Resolution 1080 x 2400 720 x 1612
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.3 % 84.2 %
Pixel Density 409 PPI 269 PPI
Refresh Rate 90 Hz N/A
Typical Brightness 430 nits N/A
HBM Brightness 600 nits N/A
Peak Brightness 750 nits N/A

Hardware

Battery Capacity per Screen Area 104.00 mAh/in² 116.19 mAh/in²
Battery Density 50.05 mAh/cm³ 50.91 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes No
Chipset Mediatek Dimensity 900 (6 nm) Mediatek MT6765G Helio G35 (12 nm)
CPU Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU Mali-G68 MC4 PowerVR GE8320

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 11 12
Maximum OS Version 12 14

Comparison Summary

Oppo Reno6 5G vs. Oppo A57 4G: Detailed Comparison

Both phones cater to different segments, with the Oppo Reno6 5G positioned as a premium mid-range device and the Oppo A57 4G as an entry-level budget phone. Let’s break down how they compare in real-world usage.


1. Specifications Breakdown

Design & Build

FeatureOppo Reno6 5GOppo A57 4GReal-World Implications
Dimensions156.8 × 72.1 × 7.6 mm163.7 × 75 × 8 mmReno6 is slimmer and more compact; A57 is bulkier but may feel sturdier.
Weight182g187gMinimal difference, but Reno6 feels slightly lighter.
Screen ProtectionGorilla Glass 5No dataReno6 offers better drop and scratch resistance.
Fingerprint SensorBasic under-displaySide-mountedSide-mounted on A57 is faster; Reno6's is more modern but may be slower.

Verdict: Reno6 is sleeker, but A57 has a more practical fingerprint sensor placement.


Display

FeatureOppo Reno6 5GOppo A57 4GReal-World Implications
Size6.43" AMOLED6.56" IPS LCDA57 has a slightly larger screen, but Reno6 has better quality.
Resolution1080x2400 (409 PPI)720x1612 (269 PPI)Reno6 is sharper, better for reading & media.
Refresh Rate90Hz60HzSmoother scrolling & animations on Reno6.
Brightness1100 nits (peak)No dataReno6 is significantly better in sunlight.

Verdict: Reno6 wins with a superior display—better colors, sharpness, and brightness.


Performance

FeatureOppo Reno6 5GOppo A57 4GReal-World Implications
ChipsetDimensity 900 (6nm)Helio G35 (12nm)Reno6 is far more powerful, better for gaming & multitasking.
GPUMali-G68 MC4PowerVR GE8320Reno6 handles heavy games (Genshin, COD) better.
AnTuTu Score815,200110,0007x faster performance in Reno6.
RAM8GB / 12GB3GB / 4GBMore RAM = better multitasking on Reno6.

Verdict: Reno6 is vastly superior for gaming, multitasking, and future-proofing.


Camera

FeatureOppo Reno6 5GOppo A57 4GReal-World Implications
Main Camera50MP (Sony IMX766) f/1.813MP f/2.2Reno6 has much better low-light performance & detail.
Ultrawide16MPNoneA57 lacks ultrawide shots.
Telephoto13MP (2x zoom)NoneReno6 offers optical zoom, A57 only digital.
Selfie Camera32MP8MPReno6’s selfies are far more detailed.
Video Recording4K @ 30fps, 1080p @ 60fps1080p @ 30fpsReno6 is better for vlogging.

Verdict: Reno6 is a clear winner in camera quality, especially in low light and detail.


Battery & Charging

FeatureOppo Reno6 5GOppo A57 4GReal-World Implications
Capacity4500mAh5000mAhA57 lasts longer per charge.
Charging Speed65W (0-100% in ~35 min)33W (slower)Reno6 charges twice as fast.

Verdict: A57 has longer endurance, Reno6 has faster charging.


2. Key Insights

Oppo Reno6 5G Strengths:

Best Screen – AMOLED, 90Hz, much sharper.
Superior Performance – Faster chip, better GPU, more RAM.
Better Cameras – 50MP main, 32MP selfie, 4K video.
Faster Charging – 65W vs. 33W.

Oppo A57 4G Strengths:

Bigger Battery – 5000mAh for longer use.
Cheaper – Lower price for basic needs.
Stereo Speakers – Better audio than Reno6.


3. Who Should Buy Which?

Oppo Reno6 5G is Best For:

Gamers – Stronger chipset & GPU.
Photography Enthusiasts – Better cameras & 4K video.
Power Users – More RAM, faster performance.

Oppo A57 4G is Best For:

Budget Users – Cheaper, decent for basics.
Long Battery Life Seekers – 5000mAh lasts longer.
Casual Users – Good for calls, social media, videos.


4. Buying Decision Framework

Ask Yourself:

  1. Do you care about performance & future-proofing?Reno6.
  2. Is battery life your top priority?A57.
  3. Do you take a lot of photos/videos?Reno6.

Final Verdict: Which Would I Choose?

I’d pick the Oppo Reno6 5G.

  • Why?
    • The performance gap is huge—Helio G35 is painfully slow compared to Dimensity 900.
    • AMOLED + 90Hz makes scrolling and media way better.
    • Cameras are significantly superior, especially in low light.
    • 65W charging means less waiting around.

The A57 is only better if you need long battery life and don’t care about speed or cameras. Otherwise, the Reno6 is the clear winner. 🚀

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.