Oppo Reno6 5G vs Oppo A77 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A77
Oppo A77
Oppo

General

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

Physical

Volume 85.92 cm³ 98.41 cm³
Screen Size to Weight Ratio 3.53 "/g 3.45 "/g
Weight 182 g 190 g
Height 156.8 mm 163.8 mm
Width 72.1 mm 75.1 mm
Thickness 7.6 mm 8 mm
Foldable Design No No
Available Colors
  • Blue
  • Aurora
  • Purple
  • Stellar Black
  • Midnight Black
  • Ocean Blue

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 %
Pixel Density 409 PPI 269 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 430 nits 480 nits
HBM Brightness 600 nits 600 nits
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 50.81 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 900 (6 nm) Mediatek Dimensity 810 (6 nm)
CPU Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G68 MC4 Mali-G57 MC2

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 A77: A Practical Showdown

1. Specifications Breakdown

FeatureOppo Reno6 5GOppo A77Real-World Implications
Design & Build156.8 × 72.1 × 7.6 mm, 182g163.8 × 75.1 × 8 mm, 190gReno6 is slimmer and lighter, easier for one-handed use. A77 is bulkier but may feel more substantial.
Display6.43" AMOLED, 1080x2400, 409 PPI, 90Hz, 1100 nits6.56" IPS LCD, 720x1612, 269 PPI, 90HzReno6 has vastly better clarity, deeper blacks, and superior sunlight visibility. A77's larger screen comes at the cost of resolution and vibrancy.
PerformanceDimensity 900, 8/12GB RAM, 815K AnTuTuDimensity 810, 3/4GB RAM, 42K AnTuTuReno6 is a powerhouse—smooth multitasking, future-proof for apps/games. A77 struggles with heavy tasks.
Battery & Charging4500mAh, 65W fast charging3200mAh, no fast chargingReno6 lasts longer and charges in ~30 mins. A77 needs frequent top-ups.
Camera (Rear)50MP main (Sony IMX766), 16MP ultra-wide, 13MP telephoto, 2MP macro13MP main onlyReno6 offers pro-level versatility (4K video, OIS, night shots). A77 is basic—passable for casual snaps.
Camera (Front)32MP (Sony IMX615)16MPReno6’s selfies are sharper with better detail in low light.
Storage128/256GB32/64GBReno6’s base model outclasses A77’s max storage. Crucial for media hoarders.
ConnectivityWiFi 6, BT 5.2, multi-band GPSWiFi 5, BT 4.1, basic GPSReno6 future-proofs downloads and location tracking.
OS & UpdatesAndroid 11 (up to 12)Android 12 (up to 14)A77 wins on software longevity but lags in hardware to utilize it.

2. Key Insights

Oppo Reno6 5G’s Advantages:

  • Display Dominance: The AMOLED panel and 1100-nit brightness make content pop indoors and outdoors—ideal for media consumers.
  • Performance Leap: The Dimensity 900 and up to 12GB RAM handle gaming (e.g., Genshin Impact) and apps effortlessly.
  • Camera Versatility: Quad-camera setup with flagship-grade Sony sensors and 4K video rivals premium phones.
  • Battery Tech: 65W charging is a game-changer—0-100% while you shower.

Oppo A77’s Niche Strengths:

  • Newer OS Base: Ships with Android 12 and promises longer update support (to 14), but hardware may bottleneck its potential.
  • Larger Screen: The 6.56" size benefits video watchers, though the low resolution negates some appeal.
  • Side-Mounted Fingerprint Sensor: Slightly more convenient than under-display sensors for some users.

Trade-Offs:

  • Reno6 5G: No expandable storage; Android 11 feels dated.
  • A77: Mediocre performance, tiny battery, and single camera limit its utility.

3. User Profiles & Recommendations

Choose the Reno6 5G if you:

  1. Prioritize performance (gaming, multitasking).
  2. Demand pro-level photography (travel, social content).
  3. Need all-day battery life with rapid charging.
  4. Value display quality (AMOLED, high resolution).

Consider the A77 only if:

  1. Budget is strict (likely cheaper; specs reflect this).
  2. Software updates matter more than hardware (though performance may frustrate).
  3. Basic use cases only (calls, light apps, occasional photos).

4. Buying Decision Framework

Ask Yourself:

  1. "Do I care more about speed/cameras or saving money?"
    • Reno6 for power users, A77 for minimalists.
  2. "Will I regret the lower-resolution screen in 6 months?"
    • A77’s pixelation annoys when reading/texting.
  3. "How often do I need to charge my phone?"
    • A77’s 3200mAh is a dealbreaker for heavy users.

Scenario-Based Picks:

  • Student on a budget: A77 if strictly for notes/calls. Else, stretch for Reno6.
  • Photography enthusiast: Reno6, no contest.
  • Business traveler: Reno6—fast charging and reliability win.

Final Verdict: My Choice

I’d pick the Oppo Reno6 5G without hesitation. It’s a no-compromise mid-ranger that punches above its weight in display, performance, and cameras—areas where the A77 cuts too many corners. The A77’s newer OS and lower price don’t offset its glaring hardware deficiencies. Unless your budget is razor-thin, the Reno6 delivers real premium experiences (AMOLED, 65W charging, 4K video) that age gracefully. For ~$50-100 more (estimated), it’s a strategic investment in daily usability.

The A77 feels like a 2022 phone with 2019 specs—only viable as a burner or for tech-agnostic users. The Reno6? A stealth flagship that still holds up in 2023.

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.