Xiaomi 12 vs Xiaomi Redmi A2 - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12
Xiaomi 12
Xiaomi

General

Launch Date December 31, 2021 March 24, 2023
Release Year 2021 2023

Physical

Volume 87.52 cm³ 115.25 cm³
Screen Size to Weight Ratio 3.51 "/g 3.4 "/g
Weight 179 g 192 g
Height 152.7 mm 164.9 mm
Width 69.9 mm 76.8 mm
Thickness 8.2 mm 9.1 mm
Foldable Design No No
Available Colors
  • Blue
  • Green
  • Purple
  • Gray
  • Aqua Blue
  • Classic Black
  • Sea Green

Display

Screen Size 6.28 " 6.52 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.2 % 81 %
Pixel Density 419 PPI 269 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness 1100 nits N/A

Hardware

Battery Capacity per Screen Area 114.10 mAh/in² 117.62 mAh/in²
Battery Density 51.41 mAh/cm³ 43.39 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) Mediatek Helio G36 (12 nm)
CPU Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (4x2.2 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53)
GPU Adreno 730 PowerVR GE8320

Connectivity

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

Software

Operating System Android Android
Initial OS Version 12 12
Maximum OS Version

Comparison Summary

Okay, let's dive deep into this comparison between the Xiaomi 12 and the Redmi A2. We're not just looking at numbers; we're figuring out what these phones actually mean for you, the user.

1. Specifications Breakdown

Here's a detailed look at how these two phones stack up, with an emphasis on real-world impacts:

FeatureXiaomi 12Xiaomi Redmi A2Real-World Implications
Design
Physical Size152.7 × 69.9 × 8.2 mm164.9 × 76.8 × 9.1 mmThe Redmi A2 is noticeably larger, which may be less comfortable for one-handed use. The Xiaomi 12 is more compact.
Weight179g192gThe Xiaomi 12 is lighter and feels more comfortable for extended periods of holding.
Display
Size6.28"6.52"Redmi A2 has a marginally larger screen, good for media consumption, but the real difference lies in quality.
Resolution1080 x 2400 (FHD+)720 x 1600 (HD+)The Xiaomi 12 has a significantly sharper display, making text and images clearer. You'll notice the difference immediately if you view content side by side.
Pixel Density (PPI)419269The Xiaomi 12 offers a much crisper, more detailed visual experience. Less pixelation and overall clearer viewing quality.
TechnologyAMOLEDIPS LCDAMOLED screens offer richer colors, deeper blacks, and better contrast; noticeable difference for any type of content.
Refresh Rate120Hz60HzThe Xiaomi 12 will have visibly smoother animations and scrolling, making the user experience feel more responsive and fluid. The A2 will feel more basic in this area.
Brightness1100 nits0 nits (Assumed low)The Xiaomi 12 offers better outdoor visibility in bright sunlight, making it much easier to use during daylight hours. A2 will struggle in bright lighting.
Performance
ChipsetSnapdragon 8 Gen 1 (4nm)MediaTek Helio G36 (12nm)The Xiaomi 12 is far more powerful, leading to significantly faster app loading, smoother multitasking, and high-end gaming capability.
AnTuTu Score1,150,831127,000The performance difference is huge! The Xiaomi 12 will handle resource-intensive tasks with ease, while the A2 is for very basic usage.
GPUAdreno 730PowerVR GE8320The Xiaomi 12’s GPU will handle high-fidelity games much better, providing better performance and more detailed graphics.
Battery Life
Capacity4500 mAh5000 mAhRedmi A2 has a larger battery, but the more efficient components and display on the Xiaomi 12 might result in similar real-world battery life.
Charging67W Fast Charging, 50W Wireless, 10W Reverse10W Fast ChargingThe Xiaomi 12 will charge much faster, both with a cable and wirelessly, and even supports reverse wireless charging.
Battery FeaturesReverse/Wireless ChargingNoneXiaomi 12 can charge other devices wirelessly, while A2 offers no unique charging features
Camera
Standard Camera50MP, f/1.88, Sony IMX7668MP, f/2.0The Xiaomi 12 offers higher resolution and larger sensor, leading to much better photos with more detail, dynamic range, and low-light capabilities.
Selfie Camera32MP5MP, f/2.2Xiaomi 12 will capture sharper selfies with much more detail.
Wide Angle Lens13MPNoneThe Xiaomi 12 offers more versatile shooting options with a wide-angle lens.
Macro Lens5MPNoneXiaomi 12 offers a dedicated macro lens for detailed close-up shots.
VideoUp to 8K@24fps, EISUp to 1080p@30fpsXiaomi 12 can capture much higher-resolution video, with better stabilization, making it far superior for content creation.
DXOMark ScoresMain Score: 113 Photo: 118, Video 121Not AvailableXiaomi 12 is a capable mobile camera.
Camera FeaturesOIS, Triple, 4K/8K, Night Mode, RAWDual Camera, Autofocus, Touch FocusXiaomi 12 has a lot more camera features, suitable for photography enthusiasts.
Software
OSAndroid 12Android 12Both devices start with Android 12 and likely will have similar user interfaces based on the custom ROM.
Connectivity
Wi-FiWi-Fi 6, Dual-band, MiMOWi-Fi 4Xiaomi 12 will offer significantly faster and more reliable Wi-Fi connectivity.
Bluetooth5.2 LE, aptX, LDAC, SBC, AAC5.0 LE, EDRXiaomi 12 has better support for high-quality Bluetooth codecs for superior wireless audio.
GPSComprehensive (L1/L5, NavIC)Basic (GPS, A-GPS, GLONASS)Xiaomi 12 is more accurate for location services.
SIMDual Nano SIMDual Nano SIMBoth phones offer Dual Sim features.
Storage
Internal128/256 GB32/64 GBXiaomi 12 offers significantly more storage for apps, photos, and videos.
RAM8/12 GB2/3/4 GBXiaomi 12 can handle multiple apps and multitasking much better without slowdowns due to higher RAM.
Expandable StorageNoNoNeither offers microSD card slots.
Audio
QualityDolby Atmos, Hi-Res, Stereo SpeakersBasic audio featuresXiaomi 12 has better audio quality through the speakers, as well as better sound quality via headphones.
Security
FeaturesFingerprint SensorBasic Security FeaturesXiaomi 12 has an easy-to-use fingerprint sensor for unlocking the phone.
Build
Screen protectionGorilla Glass VictusUnknownXiaomi 12 has an advantage in screen durability.
Sensors
ListFingerprint, Accelerometer, Compass, Gyroscope, Proximity, RGBAccelerometer, Proximity, GravityXiaomi 12 is more equipped for a greater number of features.
### 2. Key Insights
  • Xiaomi 12: This is a powerhouse aimed at users who demand top-tier performance. It boasts a superior display, a high-end chipset, excellent cameras, and fast charging. This device is designed for power users who consume high-resolution content, play graphically intensive games, and use their camera regularly for capturing images and videos.
  • Xiaomi Redmi A2: This is a budget-friendly phone focused on basic daily tasks. It offers a larger display, decent battery life, and is designed for users who primarily browse the web, use social media, and make calls. The primary advantage of the Redmi A2 is its affordability.

The most striking differences are in display quality, performance, and camera capabilities. The Xiaomi 12 excels in almost every area except for battery size, but its power efficiency might even that out. The Redmi A2, on the other hand, is a cost-effective option for those who do not need high-end specs and can accept the trade-offs in quality.

3. User Profiles and Recommendations

  • Xiaomi 12:
    • Ideal for: Tech enthusiasts, gamers, photographers, and content creators.
    • Use Cases: High-resolution video editing, mobile gaming, professional photography, seamless multitasking.
    • Why: The Xiaomi 12 excels in performance, camera quality, and display clarity, making it the better choice for power users.
  • Xiaomi Redmi A2:
    • Ideal for: Budget-conscious users, first-time smartphone buyers, or those who only need basic smartphone functionalities.
    • Use Cases: Web browsing, social media, light apps, and casual photography.
    • Why: The Redmi A2 is very budget-friendly, offering basic functionality at a low price point.

4. Buying Decision Framework

Here are three questions to help you decide:

  1. Performance Needs: How important is speed and smoothness? If you need a phone that can handle demanding apps and games, the Xiaomi 12 is the clear winner. If you just need the essentials, the Redmi A2 is fine.
  2. Camera Quality: Do you take a lot of pictures and videos? If high quality is important, the Xiaomi 12 offers a vastly superior camera system. If you just need a basic camera, the Redmi A2 is acceptable.
  3. Budget: How much are you willing to spend? The Redmi A2 is significantly cheaper, making it a more accessible option for tight budgets, while the Xiaomi 12 is for users that can prioritize performance and camera features.

Scenario-Based Recommendations:

  • If You Are a Gamer/Content Creator: Go for the Xiaomi 12. Its superior performance, display, and camera are a must-have.
  • If You Are on a Tight Budget: The Xiaomi Redmi A2 is a suitable choice, providing basic functionality at an affordable cost.
  • If You Want the Best Mobile Photography: The Xiaomi 12 is the superior option with a high-end camera.
  • If You Need a Basic Phone for Everyday Tasks: The Redmi A2 would be sufficient.

My Choice and Why

If I had to choose between these two phones, I would absolutely choose the Xiaomi 12. While the Redmi A2 is an okay budget phone, the gap in performance, display quality, camera capabilities, and overall user experience between these two is vast. For someone like me, who demands speed, loves mobile photography, and enjoys a high-quality display experience, the Xiaomi 12 is the superior choice. The faster charging and the wireless charging capabilities are also something that I value a lot. Although the Redmi A2 has a slightly larger battery, it is likely that the Xiaomi 12 would have similar real-world battery endurance, meaning that all trade-offs favor the Xiaomi 12 for my use cases.

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.