Oppo Reno6 5G vs Samsung Galaxy A03s - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 11, 2021 August 18, 2021
Release Year 2021 2021

Physical

Volume 85.92 cm³ 113.41 cm³
Screen Size to Weight Ratio 3.53 "/g 3.32 "/g
Weight 182 g 196 g
Height 156.8 mm 164.2 mm
Width 72.1 mm 75.9 mm
Thickness 7.6 mm 9.1 mm
Foldable Design No No
Available Colors
  • Blue
  • Aurora
  • Purple
  • Stellar Black
  • Black
  • Blue
  • White

Display

Screen Size 6.43 " 6.5 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.3 % 81.8 %
Pixel Density 409 PPI 270 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 118.34 mAh/in²
Battery Density 50.05 mAh/cm³ 44.09 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 900 (6 nm) Mediatek MT6765 Helio P35 (12 nm)
CPU Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU Mali-G68 MC4 PowerVR GE8320

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 11 11
Maximum OS Version 12 12

Comparison Summary

Oppo Reno6 5G vs. Samsung Galaxy A03s: A Detailed Comparison

1. Specifications Breakdown

FeatureOppo Reno6 5GSamsung Galaxy A03sReal-World Implications
Design
Dimensions156.8 × 72.1 × 7.6 mm164.2 × 75.9 × 9.1 mmReno6 5G is slimmer and more compact, easier for one-handed use. A03s is bulkier but may offer better grip.
Weight182g196gReno6 5G is 14g lighter, making it more comfortable for prolonged use.
Build ProtectionGorilla Glass 5 (scratch-resistant)No known protectionReno6 5G is more durable, reducing the risk of screen damage.
Display
Size6.43" AMOLED6.5" PLS LCDReno6 5G has better contrast, deeper blacks, and richer colors. A03s has a slightly larger but lower-quality screen.
Resolution1080x2400 (409 PPI)720x1600 (270 PPI)Reno6 5G is significantly sharper—ideal for media consumption. A03s looks noticeably pixelated in comparison.
Refresh Rate90Hz60HzReno6 5G offers smoother scrolling and animations.
Brightness1100 nits (peak)Unknown (likely lower)Reno6 5G is far better in sunlight—no squinting needed.
Performance
ChipsetMediatek Dimensity 900 (6nm)Mediatek Helio P35 (12nm)Reno6 5G is 6x faster (AnTuTu: 815K vs. 117K). A03s struggles with heavy apps.
RAM8GB / 12GB3GB / 4GBReno6 5G breezes through multitasking; A03s may lag with multiple apps.
Storage128GB / 256GB (no expandable)32GB / 64GB (no expandable)Reno6 5G offers 4x more storage—essential for apps, photos, and videos.
Camera
Main Camera50MP (Sony IMX766, f/1.8)13MP (f/2.2)Reno6 5G captures more detail, better in low light. A03s is basic.
Ultrawide16MP (f/2.2)NoneReno6 5G can take wider shots—great for landscapes.
Telephoto13MP (2x zoom)NoneReno6 5G offers lossless zoom—better portraits.
Selfie32MP (Sony IMX615)5MPReno6 5G selfies are vastly sharper; A03s is soft and noisy.
Video4K@30fps, 1080p@60fps, OIS1080p@30fps, No OISReno6 5G is better for vlogging with 4K and stabilization.
Battery & Charging
Capacity4500mAh5000mAhA03s lasts slightly longer, but Reno6 5G charges 3x faster.
Charging Speed65W fast chargingSlow charging (~10W)Reno6 5G goes from 0 to 100% in ~30 mins; A03s takes hours.
Connectivity
5GYesNoReno6 5G is future-proof; A03s is LTE-only.
Wi-FiWi-Fi 6 (faster, more stable)Wi-Fi 4 (slower, older standard)Reno6 5G supports modern Wi-Fi for seamless streaming.
Bluetooth5.2 (higher quality audio)5.0Reno6 5G supports LDAC/APT-X for better wireless audio.
SoftwareAndroid 11 (upgradable to 12)Android 11 (upgradable to 12)Both run Android 11, but Reno6 5G will feel smoother due to better hardware.
SecurityIn-display fingerprintSide-mounted fingerprintA03s sensor is more reliable but less premium-feeling.

2. Key Insights

Oppo Reno6 5G’s Strengths:

Superior Display – AMOLED, 90Hz, and 1100 nits brightness make it great for media.
Much Faster Performance – The Dimensity 900 destroys the Helio P35 in speed and efficiency.
Better Cameras – 50MP main sensor, ultrawide, telephoto, and 4K video make it a photography powerhouse.
Blazing-Fast Charging – 65W charging means less waiting.
5G & Wi-Fi 6 Support – Future-proof for faster networks.

Samsung Galaxy A03s’ Strengths:

Bigger Battery – 5000mAh means slightly longer endurance.
Cheaper – Likely much more affordable (though exact pricing varies by region).

Trade-Offs:

  • Reno6 5G is a premium mid-range phone with flagship-like features.
  • A03s is an ultra-budget phone—great for basics but struggles with heavy tasks.

3. User Profiles & Recommendations

Who Should Buy the Oppo Reno6 5G?

Power Users – If you multitask, game, or edit photos/videos, this is the choice.
Photography Enthusiasts – The 50MP main + ultrawide + telephoto combo is excellent.
Media Consumers – AMOLED + 90Hz + high brightness = best viewing experience.
Future-Proof Buyers – 5G, Wi-Fi 6, and strong performance ensure longevity.

Who Should Buy the Samsung Galaxy A03s?

Budget-Conscious Buyers – If you just need calls, texts, and light browsing.
Long Battery Seekers – If you prioritize battery over performance.
Casual Users – Simple social media, messaging, and basic camera needs.


4. Buying Decision Framework

3 Key Questions to Ask Yourself:

  1. "Do I need strong performance for gaming or multitasking?"
    • Yes → Reno6 5G | No → A03s
  2. "Is camera quality important to me?"
    • Yes → Reno6 5G | No → A03s
  3. "Do I want fast charging and future-proof connectivity (5G/Wi-Fi 6)?"
    • Yes → Reno6 5G | No → A03s

Scenario-Based Recommendations:

  • Best Overall Experience: Oppo Reno6 5G (better display, speed, cameras, charging).
  • Strict Budget Pick: Samsung Galaxy A03s (only if price is the #1 concern).

Final Verdict: What I’d Choose (And Why)

I’d pick the Oppo Reno6 5G without hesitation.

Why?

  • Future-proof performance (Dimensity 900, 8/12GB RAM).
  • Stunning AMOLED display (90Hz, 1100 nits).
  • Versatile camera system (50MP + ultrawide + telephoto).
  • Blazing-fast 65W charging (solves battery anxiety).

The Samsung Galaxy A03s is only worth it if you’re on a very tight budget. Otherwise, the Reno6 5G is a far better long-term investment—delivering a premium experience at a mid-range 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.