Oppo Reno6 5G vs vivo iQOO 12 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 11, 2021 November 14, 2023
Release Year 2021 2023

Physical

Volume 85.92 cm³ 100.33 cm³
Screen Size to Weight Ratio 3.53 "/g 3.42 "/g
Weight 182 g 198.5 g
Height 156.8 mm 163.2 mm
Width 72.1 mm 75.9 mm
Thickness 7.6 mm 8.1 mm
Foldable Design No No
Available Colors
  • Blue
  • Aurora
  • Purple
  • Stellar Black
  • Black
  • Red
  • White (BMW M branding)

Display

Screen Size 6.43 " 6.78 "
Resolution 1080 x 2400 1260 x 2800
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.3 % 89.6 %
Pixel Density 409 PPI 453 PPI
Refresh Rate 90 Hz 144 Hz
Typical Brightness 430 nits N/A
HBM Brightness 600 nits 1400 nits
Peak Brightness 750 nits 3000 nits

Hardware

Battery Capacity per Screen Area 104.00 mAh/in² 108.77 mAh/in²
Battery Density 50.05 mAh/cm³ 49.83 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 900 (6 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Mali-G68 MC4 Adreno 750

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 16

Comparison Summary

Oppo Reno6 5G vs vivo iQOO 12: A Practical Comparison for 2024

1. Specifications Breakdown

Design & Build

FeatureOppo Reno6 5Gvivo iQOO 12Real-World Implications
Dimensions156.8 × 72.1 × 7.6 mm163.2 × 75.9 × 8.1 mmiQOO 12 is larger, making one-handed use harder. Reno6 is lighter (182g vs 198.5g), better for long sessions.
Screen ProtectionGorilla Glass 5UnknownReno6 has better drop protection, while iQOO 12’s durability is unclear.
IP RatingNoneNoneNeither is water-resistant—keep away from spills.

Display

FeatureOppo Reno6 5Gvivo iQOO 12Real-World Implications
Size6.43" AMOLED6.78" AMOLEDiQOO 12 offers more screen for gaming/media, Reno6 is more compact.
Resolution1080x2400 (409 PPI)1260x2800 (453 PPI)iQOO 12 has sharper text and better clarity.
Refresh Rate90Hz144HziQOO 12 feels smoother in scrolling/gaming.
Peak Brightness1100 nits3000 nitsiQOO 12 is vastly better in sunlight—no squinting outdoors.

Performance

FeatureOppo Reno6 5Gvivo iQOO 12Real-World Implications
ChipsetDimensity 900 (6nm)Snapdragon 8 Gen 3 (4nm)iQOO 12 is a powerhouse—148% faster in benchmarks.
GPUMali-G68 MC4Adreno 750iQOO 12 dominates in gaming (Genshin Impact at max settings).
RAM & Storage8/12GB, 128/256GB12/16GB, 256GB-1TBiQOO 12 is better for heavy multitasking and future-proofing.

Camera

FeatureOppo Reno6 5Gvivo iQOO 12Real-World Implications
Main Camera50MP (f/1.8, Sony IMX766)50MP (f/1.69, OV50H)iQOO 12 has better low-light performance.
Ultra-Wide16MP50MP (Macro + Wide)iQOO 12’s hybrid lens is more versatile.
Telephoto13MP64MPiQOO 12 zooms further with better detail.
Selfie32MP (better sensor)16MPReno6 wins for selfie lovers.
Video4K@60fps8K@30fps, 4K@60fps (EIS)iQOO 12 is a pro-video beast with stabilization.

Battery & Charging

FeatureOppo Reno6 5Gvivo iQOO 12Real-World Implications
Capacity4500mAh5000mAhiQOO 12 lasts longer, especially with efficient chipset.
Charging Speed65W (30 min ~100%)120W (19 min ~100%)iQOO 12 refuels in half the time—great for emergencies.

2. Key Insights

Oppo Reno6 5G Strengths

Better for selfies (32MP vs 16MP)
More compact and lighter (easier one-hand use)
Wide-angle & macro lenses (better versatility in some scenarios)
Gorilla Glass 5 (better drop protection)

vivo iQOO 12 Strengths

🔥 Flagship-tier performance (Snapdragon 8 Gen 3 crushes Dimensity 900)
🔥 Superior display (144Hz, 3000 nits brightness, higher resolution)
🔥 Much better battery life & charging (5000mAh + 120W)
🔥 Pro-grade camera system (8K video, 64MP telephoto, better low-light)

Trade-Offs

  • Reno6 5G is outdated (2021 chipset, Android 11, no major updates expected).
  • iQOO 12 is bulkier and lacks a proper ultra-wide lens.

3. User Profiles & Recommendations

Who Should Buy the Oppo Reno6 5G?

  • Casual users who prioritize selfies, portability, and don’t need extreme performance.
  • Budget-conscious buyers (likely available at a steep discount).

Who Should Buy the vivo iQOO 12?

  • Gamers & power users (Snapdragon 8 Gen 3 + 144Hz screen).
  • Content creators (8K video, superior cameras).
  • Those who hate charging (120W fast charging + 5000mAh battery).
  • Future-proof shoppers (Android 14, likely updated longer).

4. Buying Decision Framework

Ask Yourself:

  1. Am I gaming or doing heavy multitasking?iQOO 12
  2. Do I care about selfies and portability?Reno6 5G
  3. Do I need the best battery & charging?iQOO 12

Scenario-Based Picks:

  • Best for Gaming & PerformanceiQOO 12
  • Best for Selfies & PortabilityReno6 5G
  • Best All-Around FlagshipiQOO 12

Final Choice: vivo iQOO 12

Why?

Despite the Reno6 5G’s compact size and good selfie camera, the iQOO 12 is the clear winner in 2024. It’s faster, has a better display, superior cameras (especially for video), and unbeatable charging. Unless you really prioritize a lightweight phone or a high-res selfie cam, the iQOO 12 is the smarter long-term investment.

For most users, the iQOO 12 is the better phone—period. 🚀

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.