Oppo Reno6 5G vs Realme 9i - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 9i
Realme 9i
Realme

General

Launch Date June 11, 2021 January 10, 2022
Release Year 2021 2022

Physical

Volume 85.92 cm³ 104.54 cm³
Screen Size to Weight Ratio 3.53 "/g 3.47 "/g
Weight 182 g 190 g
Height 156.8 mm 164.4 mm
Width 72.1 mm 75.7 mm
Thickness 7.6 mm 8.4 mm
Foldable Design No No
Available Colors
  • Blue
  • Aurora
  • Purple
  • Stellar Black
  • Black
  • Blue

Display

Screen Size 6.43 " 6.6 "
Resolution 1080 x 2400 1080 x 2412
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.3 % 84.2 %
Pixel Density 409 PPI 400 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 430 nits 480 nits
HBM Brightness 600 nits N/A
Peak Brightness 750 nits N/A

Hardware

Battery Capacity per Screen Area 104.00 mAh/in² 114.78 mAh/in²
Battery Density 50.05 mAh/cm³ 47.83 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 900 (6 nm) Qualcomm SM6225 Snapdragon 680 4G (6 nm)
CPU Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU Mali-G68 MC4 Adreno 610

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 11
Maximum OS Version 12 13

Comparison Summary

Oppo Reno6 5G vs Realme 9i: A User-Centric Comparison


1. Specifications Breakdown

Design & Build Quality

FeatureOppo Reno6 5GRealme 9iReal-World Implications
Dimensions156.8 × 72.1 × 7.6 mm164.4 × 75.7 × 8.4 mmRealme 9i is larger and heavier (~8g), making Oppo slightly more pocket-friendly.
Weight182g190gOppo feels lighter in hand—better for prolonged use.
Screen ProtectionGorilla Glass 5UnknownOppo has better drop/scuff resistance.
Fingerprint SensorBasic (under-display)Side-mountedRealme’s placement may be faster, but Oppo integrates seamlessly with the display.

Display

FeatureOppo Reno6 5GRealme 9iReal-World Implications
Size6.43" AMOLED6.6" IPS LCDRealme’s screen is bigger, but Oppo’s AMOLED offers deeper blacks, better contrast, and power efficiency.
Brightness1100 nits (peak)UnspecifiedOppo is vastly superior outdoors—legible even in direct sunlight.
Refresh Rate90Hz90HzBoth smooth for scrolling/gaming, but AMOLED feels more fluid.

Performance

FeatureOppo Reno6 5G (Dimensity 900)Realme 9i (Snapdragon 680)Real-World Implications
Antutu Score815,200216,850Oppo is 3.7x faster—better for gaming, multitasking, and future-proofing.
GPUMali-G68 MC4Adreno 610Oppo handles demanding games (e.g., Genshin Impact) far better.
RAM/StorageUp to 12GB/256GBUp to 6GB/128GBOppo supports heavier apps and more storage.

Camera

FeatureOppo Reno6 5GRealme 9iReal-World Implications
Main Sensor50MP (Sony IMX766, 1/1.56")50MP (Samsung S5KJN1, 1/2.76")Oppo’s larger sensor captures more light—better low-light shots.
Ultrawide16MPNoneOppo wins for landscapes/group shots.
Telephoto13MP (2x zoom)NoneOppo offers optical zoom—more versatile.
Selfie32MP (Sony IMX615)16MPOppo’s sharper selfies with better detail.
Video4K@30fps, OIS1080p@30fpsOppo is superior for vlogging and stabilization.

Battery & Charging

FeatureOppo Reno6 5GRealme 9iReal-World Implications
Capacity4500mAh5000mAhRealme lasts longer, but Oppo charges faster.
Charging65W (0-100% in ~35 min)33W (~70 min)Oppo’s ultra-fast charging is a game-changer.

Connectivity

FeatureOppo Reno6 5GRealme 9iReal-World Implications
5G SupportYesNoOppo future-proofs for faster networks.
Wi-FiWi-Fi 6Wi-Fi 5Oppo offers better speeds in crowded areas.
Bluetooth5.2 (LDAC support)5.0 (no LDAC)Oppo better for high-res wireless audio.

2. Key Insights

Oppo Reno6 5G Strengths:

  • Performance King: Blows Realme 9i away in speed (3.7x higher benchmark).
  • Display & Cameras: AMOLED screen, 4K video, and versatile lenses make it a content creator's pick.
  • Fast Charging: 65W charging is a huge convenience advantage.
  • Future-Ready: 5G, Wi-Fi 6, and better Bluetooth support.

Realme 9i Strengths:

  • Bigger Battery: 5000mAh offers longer endurance.
  • Larger Screen: 6.6" IPS LCD is good for media, but inferior in quality.
  • Stereo Speakers & Hi-Res Audio: Better for music/movies.
  • Newer OS Support: Ships with Android 12 (Oppo stuck on Android 11).

Trade-Offs:

  • Oppo’s smaller battery is offset by ultra-fast charging.
  • Realme’s performance is weak for gaming/heavy apps.
  • No 5G on Realme 9i—a dealbreaker for some.

3. User Profiles & Recommendations

Oppo Reno6 5G is Best For:

Power Users – Gamers, multitaskers, and performance seekers.
Photographers/Vloggers – 4K, OIS, and superior sensors.
Tech Enthusiasts – 5G, Wi-Fi 6, and premium build.

Realme 9i is Best For:

Budget-Conscious Users – Cheaper, good for basic tasks.
Media Lovers – Bigger screen, stereo speakers.
Long Battery Life Seekers – 5000mAh lasts all day.


4. Buying Decision Framework

Ask Yourself:

  1. Do you care about performance?Oppo Reno6 5G (far superior chipset).
  2. Do you need better battery life or fast charging?Oppo for speed, Realme for endurance.
  3. Will you use 5G in the next few years? → Only Oppo supports it.

Scenario-Based Choices:

  • Gamer?Oppo Reno6 5G (Mali-G68 GPU, 12GB RAM).
  • Casual User?Realme 9i (cheaper, decent for basics).
  • Photography?Oppo (4K, OIS, better sensors).

Final Verdict: Which Would I Choose?

I’d pick the Oppo Reno6 5G—it’s the clear winner for performance, camera versatility, and future-proofing. The AMOLED screen, 65W charging, and 5G make it a much better long-term investment.

The Realme 9i is a decent budget option, but its weak chipset and lack of 5G hold it back. Unless you absolutely need longer battery life or are on a tight budget, the Oppo Reno6 5G is the smarter buy.

Winner: Oppo Reno6 5G 🏆

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.