Oppo Reno6 5G vs Samsung Galaxy M55 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 11, 2021 March 28, 2024
Release Year 2021 2024

Physical

Volume 85.92 cm³ 97.8 cm³
Screen Size to Weight Ratio 3.53 "/g 3.72 "/g
Weight 182 g 180 g
Height 156.8 mm 163.9 mm
Width 72.1 mm 76.5 mm
Thickness 7.6 mm 7.8 mm
Foldable Design No No
Available Colors
  • Blue
  • Aurora
  • Purple
  • Stellar Black
  • Light Green
  • Dark Blue

Display

Screen Size 6.43 " 6.7 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.3 % 86.4 %
Pixel Density 409 PPI 393 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 430 nits N/A
HBM Brightness 600 nits 1000 nits
Peak Brightness 750 nits N/A

Hardware

Battery Capacity per Screen Area 104.00 mAh/in² 111.38 mAh/in²
Battery Density 50.05 mAh/cm³ 51.13 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 900 (6 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Mali-G68 MC4 Adreno 644

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 14
Maximum OS Version 12

Comparison Summary

Oppo Reno6 5G vs. Samsung Galaxy M55: In-Depth Comparison

1. Specifications Breakdown

Design & Build

FeatureOppo Reno6 5GSamsung Galaxy M55Real-World Implications
Dimensions156.8 × 72.1 × 7.6 mm163.9 × 76.5 × 7.8 mmGalaxy M55 is larger, which may impact one-handed use.
Weight182g180gVirtually identical—no noticeable difference.
Screen ProtectionGorilla Glass 5Gorilla Glass 5Both offer the same scratch resistance.

Key Insight: The Reno6 5G is more compact, which may appeal to users who prefer smaller phones, while the M55 offers a slightly bigger screen.


Display

FeatureOppo Reno6 5GSamsung Galaxy M55Real-World Implications
Size6.43" AMOLED6.7" AMOLEDM55 offers a more immersive viewing experience.
Refresh Rate90Hz120HzSmoother scrolling and animations on Galaxy M55.
Peak Brightness1100 nitsNot specified (likely ~800 nits)Oppo is much better in direct sunlight.

Key Insight: The M55 wins in smoothness, but the Reno6 5G has superior outdoor visibility.


Performance

FeatureOppo Reno6 5GSamsung Galaxy M55Real-World Implications
ChipsetMediatek Dimensity 900 (6nm)Snapdragon 7 Gen 1 (4nm)M55 has a more efficient, newer chip.
Benchmark (AnTuTu)815,200698,000Oppo scores higher, but real-world performance may favor Snapdragon.
RAM Options8GB / 12GB8GBOppo has an advantage for heavy multitasking.

Key Insight: The M55’s Snapdragon chip is more power-efficient, but Oppo offers more RAM for power users.


Camera

FeatureOppo Reno6 5GSamsung Galaxy M55Real-World Implications
Main Camera50MP (IMX766, OIS)50MP (unknown sensor)Oppo likely has better low-light performance.
Ultrawide16MP8MPOppo provides much sharper ultrawide shots.
Telephoto13MP (2x zoom)NoneOppo wins for better zoom shots.
Selfie32MP (f/2.4)50MP (f/2.2)M55 has higher resolution but may struggle with details.
Video StabilizationYesOIS + EISM55 has smoother video recording.

Key Insight: The Reno6 5G has a more versatile camera setup, while the M55 focuses on sharper selfies and better video stability.


Battery & Charging

FeatureOppo Reno6 5GSamsung Galaxy M55Real-World Implications
Battery Capacity4500mAh5000mAhM55 lasts longer per charge.
Charging Speed65W45WOppo charges significantly faster.

Key Insight: If you want all-day battery life, go for the M55. If you prioritize fast charging, the Reno6 5G is better.


2. Key Insights & Trade-Offs

Oppo Reno6 5G Strengths:

Better camera versatility (telephoto + better ultrawide).
Faster wired charging (65W vs. 45W).
Higher benchmark performance (though real-world differences may be minor).
More compact design (easier one-hand use).

Samsung Galaxy M55 Strengths:

Larger, smoother display (6.7", 120Hz vs. 6.43", 90Hz).
Longer battery life (5000mAh vs. 4500mAh).
Better video stabilization (OIS + EIS).
Newer software (Android 14 vs. Android 11/12).


3. User Profiles & Recommendations

Best for Oppo Reno6 5G:

📸 Photography enthusiasts (better zoom and ultrawide).
Fast-charging fans (65W is blazing quick).
🤳 Compact phone lovers (easier in-hand use).

Best for Samsung Galaxy M55:

🎬 Content creators (better video stabilization).
🔋 Battery life prioritizers (5000mAh lasts longer).
🎮 Gamers & media consumers (120Hz + bigger screen).


4. Buying Decision Framework

Ask yourself:

  1. Do I care more about camera flexibility or battery life?
    • Camera: Oppo Reno6 5G.
    • Battery: Galaxy M55.
  2. Do I prefer fast charging or a larger, smoother display?
    • Speed: Oppo.
    • Screen: Samsung.
  3. Do I want a newer software experience?
    • Latest Android: Samsung.
    • Custom UI: Oppo (ColorOS).

Final Verdict: Which Would I Choose?

I would pick the Samsung Galaxy M55.

Why?

  • The 120Hz AMOLED display makes everyday use smoother.
  • Better battery life (5000mAh) means less charging anxiety.
  • OIS + EIS ensures stable video recording.
  • Newer OS (Android 14) promises longer software support.

The Oppo Reno6 5G is great for photography and fast charging, but the M55 offers a more balanced package for most users.

Would you prioritize camera versatility or battery life? Let me know your thoughts! 🚀

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.