Oppo Reno6 5G vs Realme C55 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C55
Realme C55
Realme

General

Launch Date June 11, 2021 March 8, 2023
Release Year 2021 2023

Physical

Volume 85.92 cm³ 99.3 cm³
Screen Size to Weight Ratio 3.53 "/g 3.55 "/g
Weight 182 g 189.5 g
Height 156.8 mm 165.6 mm
Width 72.1 mm 75.9 mm
Thickness 7.6 mm 7.9 mm
Foldable Design No No
Available Colors
  • Blue
  • Aurora
  • Purple
  • Stellar Black
  • Sun Shower
  • Rainy Night
  • Rainforest

Display

Screen Size 6.43 " 6.72 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.3 % 86.7 %
Pixel Density 409 PPI 392 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 430 nits N/A
HBM Brightness 600 nits N/A
Peak Brightness 750 nits 680 nits

Hardware

Battery Capacity per Screen Area 104.00 mAh/in² 110.72 mAh/in²
Battery Density 50.05 mAh/cm³ 50.35 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 900 (6 nm) Mediatek MT6769H Helio G88 (12 nm)
CPU Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G68 MC4 Mali-G52 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 11 13
Maximum OS Version 12

Comparison Summary

Oppo Reno6 5G vs Realme C55: A Practical Comparison

1. Specifications Breakdown

Design & Build

FeatureOppo Reno6 5GRealme C55Real-World Implications
Dimensions156.8 × 72.1 × 7.6 mm165.6 × 75.9 × 7.9 mmOppo is more compact and easier to handle one-handed. Realme is bulkier but may offer better grip.
Weight182g189.5gOppo is slightly lighter, making it more comfortable for long use.
Screen ProtectionGorilla Glass 5UnknownOppo has better drop protection; Realme's durability is unclear.
Fingerprint SensorBasic (under-display)Side-mountedRealme’s sensor is more accessible; Oppo’s is sleeker but less ergonomic.

Display

FeatureOppo Reno6 5GRealme C55Real-World Implications
Size6.43"6.72"Realme's larger screen is better for media, Oppo’s is more pocket-friendly.
TechnologyAMOLEDIPS LCDOppo has deeper blacks, better contrast, and lower battery drain with dark themes.
Refresh Rate90Hz90HzBoth offer smooth scrolling and animations.
Peak Brightness1100 nits680 nitsOppo is far superior in sunlight visibility.

Performance

FeatureOppo Reno6 5GRealme C55Real-World Implications
ChipsetDimensity 900 (6nm)Helio G88 (12nm)Oppo’s chip is much faster and more power-efficient.
AnTuTu Score815,200245,800Oppo is 3.3x faster—better for gaming and heavy apps.
RAM Options8GB / 12GB4GB / 6GB / 8GBOppo’s 12GB option is better for heavy multitasking.
Storage Options128GB / 256GB64GB / 128GB / 256GBBoth have 256GB max, but Realme offers a budget 64GB option.

Camera

FeatureOppo Reno6 5GRealme C55Real-World Implications
Main Camera50MP (Sony IMX766, f/1.8)64MP (OV64B, f/1.8)Oppo’s larger sensor captures more light for better low-light shots.
Ultrawide Lens16MP (Sony IMX481)NoneOppo has a dedicated ultrawide for landscapes/group shots.
Telephoto Lens13MP (2x optical zoom)NoneOppo supports optical zoom—great for portraits.
Selfie Camera32MP (Sony IMX615)8MPOppo is vastly superior for selfies/video calls.
Video Recording4K@30fps, 1080p@60fps1080p@30fps, 1080p@60fpsOppo offers 4K video, better for content creators.

Battery & Charging

FeatureOppo Reno6 5GRealme C55Real-World Implications
Battery Capacity4500mAh5000mAhRealme lasts longer, but Oppo’s efficiency helps offset the gap.
Charging Speed65W33WOppo charges twice as fast—great for power users.

2. Key Insights

Oppo Reno6 5G’s Strengths

Superior Performance – Benchmark scores 3x higher than Realme C55, making it much better for gaming and multitasking.
Better Display – AMOLED with 1100-nit brightness crushes Realme’s LCD in color accuracy and sunlight visibility.
More Versatile Cameras – Telephoto, ultrawide, and 4K video make it ideal for photography enthusiasts.
Faster Charging – 65W vs 33W means 0-100% in ~30 mins vs ~1 hour on Realme.

Realme C55’s Strengths

Bigger Battery – 5000mAh offers longer endurance, though efficiency isn’t as good as Oppo’s chip.
Newer OS – Ships with Android 13 vs Oppo’s Android 11 (though Oppo supports Android 12).
More Affordable – Likely cheaper, making it a budget-friendly choice.

Trade-Offs

  • Performance vs Battery: Oppo is way faster, but Realme has a larger battery.
  • Display Quality vs Size: Oppo’s AMOLED is superior, but Realme’s screen is bigger.
  • Camera Versatility vs Simplicity: Oppo has more lenses, but Realme may be simpler for casual shooters.

3. User Profiles & Recommendations

Who Should Buy the Oppo Reno6 5G?

Gamers & Power Users – Needs the Dimensity 900’s speed.
Photography EnthusiastsUltrawide, telephoto, and 4K video make it a better choice.
Those Who Value Display & Charging – AMOLED and 65W fast charging are game-changers.

Who Should Buy the Realme C55?

Budget Buyers – Likely cheaper and has Android 13 out of the box.
Battery-Conscious Users – 5000mAh lasts longer.
Casual Users – If you don’t need high-end performance or premium cameras.


4. Buying Decision Framework

Ask Yourself These 3 Questions:

  1. Do I care about gaming/performance?Oppo wins (3x faster).
  2. Do I take a lot of photos/videos?Oppo wins (better cameras).
  3. Do I prioritize battery life over speed?Realme wins (5000mAh).

Scenario-Based Recommendations:

  • "I play Genshin Impact daily."Oppo Reno6 5G (faster chip, better GPU).
  • "I just need a phone for social media and calls."Realme C55 (cheaper, good battery).
  • "I take lots of travel photos."Oppo Reno6 5G (ultrawide, telephoto, 4K video).

Final Verdict: Which Would I Choose?

I’d pick the Oppo Reno6 5G. The performance gap is massive, the AMOLED display is superior, and the camera versatility makes it a better long-term investment. While Realme has a bigger battery and is likely cheaper, Oppo’s 65W charging compensates, and the Dimensity 900 chip ensures it stays fast for years. If you can stretch your budget, Oppo is the clear winner.

However, if you’re on a tight budget and don’t care about gaming or photography, Realme C55 is a solid alternative. But for most users, the Reno6 5G is the better phone.

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.