Xiaomi 12X vs Nokia C21 Plus - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12X
Xiaomi 12X
Xiaomi

General

Launch Date December 31, 2021 April 29, 2022
Release Year 2021 2022

Physical

Volume 87.52 cm³ 107.57 cm³
Screen Size to Weight Ratio 3.57 "/g 3.66 "/g
Weight 176 g 178 g
Height 152.7 mm 164.8 mm
Width 69.9 mm 75.9 mm
Thickness 8.2 mm 8.6 mm
Foldable Design No No
Available Colors
  • Blue
  • Purple
  • Gray
  • Dark Cyan
  • Warm Gray

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 % 82.1 %
Pixel Density 419 PPI 269 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1100 nits N/A

Hardware

Battery Capacity per Screen Area 114.10 mAh/in² 118.79 mAh/in²
Battery Density 51.41 mAh/cm³ 46.95 mAh/cm³
Battery Capacity 4500 mAh 5050 mAh
NFC Support Yes No
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Unisoc SC9863A (28 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU Adreno 650 IMG8322

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 11 11
Maximum OS Version

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Xiaomi 12X and the Nokia C21 Plus. It's a tale of two very different approaches to the smartphone, and we'll break down exactly what that means for you.

1. Specifications Breakdown

Here’s a detailed look at how these two devices stack up, with a focus on what the specs actually mean in your day-to-day life:

FeatureXiaomi 12XNokia C21 PlusReal-World Implications
Design
Dimensions152.7 × 69.9 × 8.2 mm164.8 × 75.9 × 8.6 mmXiaomi 12X is more compact and pocketable; Nokia C21 Plus is larger and may be less comfortable for smaller hands.
Weight176g178gBoth are fairly lightweight; negligible difference.
BuildGlass front, glass back, aluminum framePlastic frame and backXiaomi 12X feels more premium; Nokia C21 Plus prioritizes durability and affordability.
Display
Size6.28"6.52"Nokia C21 Plus offers a slightly larger viewing area; Xiaomi 12X is better for one-handed use.
Resolution1080x2400720x1600Xiaomi 12X delivers significantly sharper images, videos, and text.
Pixel Density419 ppi269 ppiXiaomi 12X screen is noticeably clearer and more detailed.
TechnologyAMOLEDIPS LCDXiaomi 12X has better contrast, deeper blacks, and more vibrant colors; superior for media consumption and gaming.
Refresh Rate120Hz60HzXiaomi 12X provides smoother animations, scrolling, and gameplay.
Brightness1100 nits0 nitsXiaomi 12X is much more usable in bright sunlight; Nokia C21 Plus might struggle outdoors.
Performance
ChipsetQualcomm Snapdragon 870 (7 nm)Unisoc SC9863A (28 nm)Xiaomi 12X offers much faster app loading, multitasking, and gaming; The Nokia is fine for basic tasks like web browsing.
AnTuTu Score815,210109,200Xiaomi 12X is significantly faster in all aspects of daily use.
GPUAdreno 650PowerVR GE8322Xiaomi 12X offers dramatically better graphics performance, better for gaming and other graphic intensive use cases.
Camera
Main Camera50MP (f/1.88, OIS)13MPXiaomi 12X captures significantly more detailed photos with better low-light performance due to a larger sensor size and OIS.
Selfie Camera32MP (f/2.45)5MP (f/2.2)Xiaomi 12X has higher resolution for better selfies.
Ultrawide Lens13MPNoneXiaomi 12X is more versatile, can capture a wider field of view in photos.
Portrait mode (depth)None2MPNokia C21 Plus has a dedicated depth sensor to enable bokeh effect in portrait photos
Macro Lens5MPNoneXiaomi 12X has a dedicated macro lens to take close-up photos.
Video RecordingUp to 8K@24fps1080p@30fpsXiaomi 12X provides significantly higher quality video.
Battery Life
Capacity4500 mAh4000 mAhXiaomi 12X is likely to offer longer battery life due to its larger capacity.
Charging67W fast charging10W fast chargingXiaomi 12X charges much faster, minimizing downtime.
Software
OSAndroid 11Android 11Both phones run on Android 11
Connectivity
WiFiWi-Fi 6802.11nXiaomi 12X offers faster and more reliable wireless connectivity.
Bluetooth5.14.2Xiaomi 12X provides a more stable Bluetooth connection with better audio codec options (aptX, LDAC).
Storage
Internal Storage128/256 GB32/64 GBXiaomi 12X offers significantly more storage for apps, media, and files.
RAM8/12 GB2/4 GBXiaomi 12X is much better for multitasking; it keeps apps running in the background with ease and allows for much smoother operation.
Expandable StorageNoNoNeither phone supports microSD cards for expandable storage.
Audio
Audio QualityDolby Atmos, Hi-Res Audio, Stereo SpeakersBasicXiaomi 12X delivers superior audio experience with Dolby Atmos, Hi-Res Audio, and Stereo Speakers
Security
Security FeaturesFingerprint (in-screen)Fingerprint (rear-mounted)Both offers biometric authentication with fingerprint.
Build Quality
Screen ProtectionGorilla Glass VictusUnknownXiaomi 12X offers superior screen protection against scratches and drops.

2. Key Insights

Xiaomi 12X: The Performance Powerhouse

  • Strengths: The Xiaomi 12X is a performance beast. Its Snapdragon 870 chipset, combined with a high refresh rate AMOLED display, makes it incredibly responsive and enjoyable to use. It excels at gaming, media consumption, and multitasking. The camera system is a significant step up, offering much higher resolution, better low-light performance, and 8K video recording. It offers a premium build and feel.
  • Competitive Advantages: The key advantages are its superior display, significantly more powerful processor, much better camera, larger and faster charging battery, and better sound quality. This phone is engineered for speed, clarity, and top performance, making it ideal for those who want the very best in their mobile experience.
  • Trade-offs/Limitations: It does not have expandable storage, so choosing the right storage variant at purchase is key.

Nokia C21 Plus: The Budget-Friendly Contender

  • Strengths: The Nokia C21 Plus is designed to be a reliable and affordable smartphone. It has a large screen, decent battery life, and dual-SIM support. The focus here is on simplicity and affordability for basic smartphone users. It offers a durable build, as a core design philosophy for Nokia products.
  • Competitive Advantages: The primary advantage of the Nokia C21 Plus is its low price point. It is ideal for those who need a functional phone for basic tasks, such as browsing, texting, and light social media use, without breaking the bank.
  • Trade-offs/Limitations: The Nokia C21 Plus has a low-resolution screen, and a less powerful processor. The camera is a basic affair, and the display struggles in bright light. It lacks many modern features and performance capabilities.

3. User Profiles and Recommendations

Xiaomi 12X: For Power Users

  • Best Suited For: Tech enthusiasts, gamers, photographers, and anyone who values performance, display quality, and a premium experience.
  • Use Cases: High-end mobile gaming, video editing, serious photography, streaming high-definition content, and running multiple demanding applications simultaneously.
  • Price-to-Value: Offers a high performance-to-value ratio, especially for those who want premium features and performance without paying a flagship price.

Nokia C21 Plus: For Budget-Conscious Users

  • Best Suited For: First-time smartphone users, individuals who need a simple, reliable device for basic communication, or those with a tight budget.
  • Use Cases: Making calls, sending messages, browsing the web, basic social media, and light media consumption.
  • Price-to-Value: Delivers a solid value for an entry-level smartphone; perfect for those who prioritize affordability above all else.

4. Buying Decision Framework

Three Questions to Ask Yourself:

  1. What do I use my phone for most? (Gaming, media consumption, productivity, or basic communication?)
  2. How important is performance to me? (Do I need the fastest possible response or is basic functionality enough?)
  3. What's my budget? (Am I willing to pay more for advanced features and performance, or is value the priority?)

Scenario-Based Recommendations:

  • Scenario 1: The Mobile Gamer

    • Recommendation: Xiaomi 12X. The combination of the Snapdragon 870, 120Hz AMOLED screen, and superior graphics makes it ideal for serious gaming.
  • Scenario 2: The Casual User on a Tight Budget

    • Recommendation: Nokia C21 Plus. It gets the job done for basic tasks and is easy on the wallet.
  • Scenario 3: The Aspiring Photographer

    • Recommendation: Xiaomi 12X. The 50MP main camera, combined with ultrawide and macro lenses, provides much greater versatility and photo quality.
  • Scenario 4: The Everyday User who values performance

    • Recommendation: Xiaomi 12X. This phone will provide a better experience, responsiveness, and a better experience in all aspects of its usage, while it also has a modern feature set for the latest apps and games.

My Choice

If I were to choose between these two phones, I would choose the Xiaomi 12X.

The reason is simple: the sheer difference in performance, display quality, and camera capability makes the 12X a significantly more enjoyable device to use daily. While the Nokia C21 Plus is a fine option for budget-conscious users or basic use, as a tech journalist and a performance enthusiast, I value the responsiveness and capability of the Xiaomi 12X. The higher refresh rate screen, more powerful processor, and superior camera system elevate the entire mobile experience. I want to use a device that doesn’t slow me down, can handle a variety of tasks, and provides a visually rich experience – all things the Xiaomi 12X delivers brilliantly. The Nokia would be a useful secondary device, but for my primary phone, the Xiaomi 12X is the clear winner.

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.