Oppo Reno6 5G vs Xiaomi 12 - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12
Xiaomi 12
Xiaomi

General

Launch Date June 11, 2021 December 31, 2021
Release Year 2021 2021

Physical

Volume 85.92 cm³ 87.52 cm³
Screen Size to Weight Ratio 3.53 "/g 3.51 "/g
Weight 182 g 179 g
Height 156.8 mm 152.7 mm
Width 72.1 mm 69.9 mm
Thickness 7.6 mm 8.2 mm
Foldable Design No No
Available Colors
  • Blue
  • Aurora
  • Purple
  • Stellar Black
  • Blue
  • Green
  • Purple
  • Gray

Display

Screen Size 6.43 " 6.28 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.3 % 89.2 %
Pixel Density 409 PPI 419 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 430 nits N/A
HBM Brightness 600 nits N/A
Peak Brightness 750 nits 1100 nits

Hardware

Battery Capacity per Screen Area 104.00 mAh/in² 114.10 mAh/in²
Battery Density 50.05 mAh/cm³ 51.41 mAh/cm³
Battery Capacity 4300 mAh 4500 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 900 (6 nm) Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm)
CPU Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU Mali-G68 MC4 Adreno 730

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

Comparison Summary

Here’s a structured comparison between the Oppo Reno6 5G and Xiaomi 12, focusing on real-world usability and practical trade-offs:


1. Specifications Breakdown

Design & Build

FeatureOppo Reno6 5GXiaomi 12Real-World Implications
Dimensions156.8 × 72.1 × 7.6 mm152.7 × 69.9 × 8.2 mmOppo is taller/wider, Xiaomi is thicker but more compact. Xiaomi’s smaller footprint improves one-handed use.
Weight182g179gNegligible difference in hand feel.
Screen ProtectionGorilla Glass 5Gorilla Glass VictusXiaomi’s Victus offers better drop/scratch resistance.

Display

FeatureOppo Reno6 5GXiaomi 12Real-World Implications
Size6.43" AMOLED6.28" AMOLEDOppo’s larger screen is better for media, Xiaomi’s compact size aids portability.
Refresh Rate90Hz120HzXiaomi feels smoother in scrolling/gaming.
Brightness1100 nits1100 nitsIdentical peak brightness for outdoor use.

Performance

FeatureOppo Reno6 5GXiaomi 12Real-World Implications
ChipsetDimensity 900 (6nm)Snapdragon 8 Gen 1 (4nm)Snapdragon 8 Gen 1 is 41% faster (Antutu: 1.15M vs 815K). Better for gaming/heavy multitasking.
GPUMali-G68 MC4Adreno 730Xiaomi’s GPU outperforms in graphics-heavy tasks (e.g., Genshin Impact).

Camera

FeatureOppo Reno6 5GXiaomi 12Real-World Implications
Main Camera50MP (f/1.8, IMX766)50MP (f/1.88, IMX766)Similar hardware, but Xiaomi’s 8K video and superior stabilization stand out.
Ultrawide16MP (f/2.2)13MP (f/2.4)Oppo’s wider aperture and resolution win for landscapes.
Telephoto13MP (2x optical zoom)NoneOppo offers better zoom versatility.
Selfie32MP (larger sensor)32MP (smaller sensor)Oppo’s selfie camera captures more detail.
Video Features4K@60fps8K@24fps, 1080p@960fpsXiaomi excels for pro-grade video, slow-mo.

Battery & Charging

FeatureOppo Reno6 5GXiaomi 12Real-World Implications
Capacity4500mAh4500mAhSimilar endurance.
Charging65W wired67W wired + 50W wirelessXiaomi’s wireless charging is a major convenience boost.
ExtrasNoneReverse chargingXiaomi can power other devices (e.g., earbuds).

Software & Extras

  • OS: Xiaomi 12 launches with Android 12 (newer than Oppo’s Android 11).
  • Audio: Xiaomi has Dolby Atmos, stereo speakers (Oppo lacks these).
  • Sensors: Xiaomi adds a compass and ultrasonic proximity sensor (better for AR/navigation).

2. Key Insights

Oppo Reno6 5G Strengths

  • Better camera versatility: Telephoto lens + ultrawide with wider aperture.
  • Larger display: 6.43" vs 6.28" (better for media consumption).
  • Superior selfies: Larger sensor captures more detail.

Xiaomi 12 Strengths

  • Flagship performance: Snapdragon 8 Gen 1 dominates for gaming/multitasking.
  • Premium features: 120Hz display, wireless charging, Gorilla Glass Victus.
  • Video prowess: 8K recording and advanced stabilization.

Trade-Offs

  • Oppo’s camera system is more flexible, but Xiaomi’s computational photography (e.g., Night Mode) may compensate.
  • Xiaomi’s compact size is handy, but Oppo’s larger screen appeals to media lovers.

3. User Profiles & Recommendations

Choose Oppo Reno6 5G if you:

  • Prioritize camera versatility (telephoto/ultrawide).
  • Prefer a larger screen for videos/gaming.
  • Want better selfies.

Choose Xiaomi 12 if you:

  • Need raw performance (gaming, heavy apps).
  • Value premium extras (wireless charging, 120Hz, stereo speakers).
  • Shoot high-end video (8K, slow-mo).

4. Buying Decision Framework

Ask yourself:

  1. Do I care more about camera flexibility or performance?
    • Oppo for cameras, Xiaomi for speed.
  2. Will I use wireless charging or 120Hz often?
    • Xiaomi wins here.
  3. Is video quality or zoom more important?
    • Xiaomi for video, Oppo for zoom.

Scenario-Based Picks

  • Content Creators: Xiaomi (8K video, stabilization).
  • Gamers: Xiaomi (Snapdragon 8 Gen 1, 120Hz).
  • Travel Photographers: Oppo (telephoto + ultrawide).

Final Verdict: Which Would I Choose?

I’d pick the Xiaomi 12 for its flagship performance, 120Hz display, and wireless charging. While the Oppo Reno6 5G has a slight edge in camera versatility, the Xiaomi’s overall package (better chipset, video capabilities, and future-proofing with Android 12) makes it the more compelling choice for most users.

However, if zoom photography or selfies are your top priority, the Oppo Reno6 5G is still a strong contender—just be prepared to sacrifice raw power and premium features.

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.