OnePlus 12 vs Xiaomi Redmi A3 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 12
OnePlus 12
Oneplus

General

Launch Date December 11, 2023 February 23, 2024
Release Year 2023 2024

Physical

Volume 114.58 cm³ 106.58 cm³
Screen Size to Weight Ratio 3.1 "/g 3.48 "/g
Weight 220 g 193 g
Height 164.3 mm 168.3 mm
Width 75.8 mm 76.3 mm
Thickness 9.2 mm 8.3 mm
Foldable Design No No
Available Colors
  • Flowy Emerald
  • Silky Black
  • Silver (Glacial White)
  • Midnight Black
  • Forest Green (Olive Green)
  • Star Blue (Lake Blue)

Display

Screen Size 6.82 " 6.71 "
Resolution 1440 x 3168 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 90.8 % 82.9 %
Pixel Density 510 PPI 268 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness 600 nits N/A
HBM Brightness 1600 nits 500 nits
Peak Brightness 4500 nits N/A

Hardware

Battery Capacity per Screen Area 116.10 mAh/in² 111.05 mAh/in²
Battery Density 47.13 mAh/cm³ 46.91 mAh/cm³
Battery Capacity 5400 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) Mediatek Helio G36 (12 nm)
CPU Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) Octa-core (4x2.2 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
GPU Adreno 750 PowerVR GE8320

Connectivity

USB Version 3.2 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 14 14
Maximum OS Version 18

Comparison Summary

OnePlus 12 vs. Xiaomi Redmi A3: A Deep Dive

Let's dissect the OnePlus 12 and Xiaomi Redmi A3, two phones targeting different segments of the market. This head-to-head comparison will go beyond the spec sheet, translating technical jargon into real-world implications for you.

1. Specifications Breakdown

FeatureOnePlus 12Xiaomi Redmi A3Real-World Implications
Design
Dimensions164.3 x 75.8 x 9.2 mm168.3 x 76.3 x 8.3 mmOnePlus 12 is slightly smaller and thinner. Redmi A3 might feel a bit bulkier.
Weight220g193gRedmi A3 is noticeably lighter, reducing hand fatigue.
Display
Display TypeLTPO AMOLED, 1B colors, 120HzIPS LCD, 90HzOnePlus 12 offers superior contrast, vibrant colors, and smoother scrolling.
Resolution1440 x 3168720 x 1650Significantly sharper visuals and more screen real estate on the OnePlus 12.
Peak Brightness4500 nits500 nits (HBM)OnePlus 12 excels in outdoor visibility.
Performance
ChipsetSnapdragon 8 Gen 3 (4nm)MediaTek Helio G36 (12nm)Vastly superior performance and efficiency in the OnePlus 12 for demanding tasks.
CPUOcta-core (1x3.3 GHz Cortex-X4 & ...)Octa-core (4x2.2 GHz Cortex-A53 & ...)OnePlus 12 offers significantly faster processing speeds.
GPUAdreno 750PowerVR GE8320OnePlus 12 delivers a dramatically better gaming and graphics experience.
RAM16GB4GB/6GBOnePlus 12 allows for seamless multitasking and app switching.
Storage512GB128GBAmple storage on both, but OnePlus 12 provides significantly more space.
CameraNot specified in provided dataNot specified in provided dataCannot compare based on available information.
Battery Life
Battery Capacity5400 mAh5000 mAhSimilar battery capacities, but OnePlus 12's efficiency likely results in longer life.

2. Key Insights

The OnePlus 12 is a flagship device, boasting a cutting-edge display, top-tier performance, and premium features. The Redmi A3 is a budget-oriented phone prioritizing affordability. The Snapdragon 8 Gen 3 in the OnePlus 12 crushes the Helio G36, making it ideal for gaming, heavy multitasking, and demanding applications. The OnePlus 12's vibrant AMOLED display with a 120Hz refresh rate delivers a significantly better visual experience compared to the Redmi A3's 90Hz IPS LCD.

3. User Profiles and Recommendations

OnePlus 12: Power users, gamers, content creators, and anyone who demands top-tier performance and a premium experience. If you value a stunning display, smooth performance, and future-proofing, the OnePlus 12 is a strong contender.

Redmi A3: Budget-conscious users who prioritize basic functionality, like calling, texting, browsing, and social media. Students, casual users, or those seeking a secondary device would find the Redmi A3 suitable.

4. Buying Decision Framework

  1. What is your budget? The OnePlus 12 sits in a much higher price bracket.
  2. What are your primary use cases? For demanding tasks, the OnePlus 12 is essential. For basic use, the Redmi A3 suffices.
  3. How important is display quality and performance? The OnePlus 12 vastly outperforms the Redmi A3 in these areas.

My Choice: OnePlus 12

If I were choosing between these two, the OnePlus 12 would be my clear winner. As a tech journalist who frequently uses demanding applications, records videos, and needs a device that can keep up with my workflow, the performance differential is crucial. The superior display, faster refresh rate, and the overall premium feel of the OnePlus 12 are compelling. While the Redmi A3 offers excellent value for its price, the OnePlus 12 aligns better with my needs and provides a future-proof investment in mobile technology. The leap in user experience justifies the price difference for my usage pattern.

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.