Xiaomi 12X vs Nokia G21 - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12X
Xiaomi 12X
Xiaomi
Nokia G21
Nokia G21
Nokia

General

Launch Date December 31, 2021 February 15, 2022
Release Year 2021 2022

Physical

Volume 87.52 cm³ 106.19 cm³
Screen Size to Weight Ratio 3.57 "/g 3.42 "/g
Weight 176 g 190 g
Height 152.7 mm 164.6 mm
Width 69.9 mm 75.9 mm
Thickness 8.2 mm 8.5 mm
Foldable Design No No
Available Colors
  • Blue
  • Purple
  • Gray
  • Dusk
  • Nordic Blue

Display

Screen Size 6.28 " 6.5 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.2 % 81.6 %
Pixel Density 419 PPI 270 PPI
Refresh Rate 120 Hz 90 Hz
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 119.53 mAh/in²
Battery Density 51.41 mAh/cm³ 47.56 mAh/cm³
Battery Capacity 4500 mAh 5050 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Unisoc T606 (12 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU Adreno 650 Mali-G57 MP1

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 11
Maximum OS Version 13

Comparison Summary

Alright, let's dive into a head-to-head comparison between the Xiaomi 12X and the Nokia G21. We've got a fascinating matchup here – one that highlights how different priorities can lead to very different phones. As always, I’ll focus on what these specs actually mean for you, the person using the phone every day. Let's get started.

1. Specifications Breakdown

FeatureXiaomi 12XNokia G21Real-World Implications
Design
Size152.7 x 69.9 x 8.2 mm164.6 x 75.9 x 8.5 mmThe Xiaomi 12X is noticeably more compact, making it easier to handle and pocket. The Nokia G21 is larger and may feel more cumbersome.
Weight176g190gThe Xiaomi 12X is lighter, potentially making it more comfortable for extended use. The G21's extra weight is primarily due to its larger size and battery.
BuildGorilla Glass Victus FrontUnknown front protectionGorilla Glass Victus on the 12X offers superior scratch and drop protection for the screen. The G21's protection is unclear, potentially making it more vulnerable.
Display
Size6.28"6.5"The Nokia G21 offers a slightly larger screen, which might be preferable for media consumption. The Xiaomi 12X prioritizes a more manageable size.
Resolution1080 x 2400720 x 1600The Xiaomi 12X has significantly sharper visuals due to its higher resolution (125% more pixels) resulting in far more detail and text clarity. The Nokia G21's display will appear comparatively less crisp.
Pixel Density419 ppi270 ppiThe Xiaomi 12X's higher pixel density means text and images are far sharper. The Nokia G21 will have a visibly less detailed display.
TechnologyAMOLEDIPS LCDThe Xiaomi 12X's AMOLED display offers richer colors, deeper blacks, and better contrast, providing a much more immersive experience. The Nokia G21 uses an LCD, which is less vibrant and has less contrast.
Refresh Rate120Hz90HzThe Xiaomi 12X's 120Hz refresh rate results in noticeably smoother scrolling and animations. The 90Hz on the G21 is also a decent, but less fluid experience.
Brightness1100 nits0 nitsThe Xiaomi 12X is dramatically brighter, making it much more legible under direct sunlight. The Nokia G21 has no specified brightness, and will likely be problematic in direct light.
Performance
ChipsetSnapdragon 870 (7nm)Unisoc T606 (12nm)The Xiaomi 12X's Snapdragon 870 is a powerful, high-end chip, providing significantly faster performance and responsiveness. The Unisoc chip in the Nokia G21 is a budget offering, suitable for basic tasks only.
AnTuTu Score815,210253,300The AnTuTu benchmark confirms the massive performance difference. The Xiaomi 12X is over 3x more powerful, handling demanding tasks, gaming, and multitasking with ease. The Nokia G21 will struggle with intensive tasks.
GPUAdreno 650Mali-G57 MP1The Adreno 650 in the Xiaomi 12X delivers superior graphics performance, allowing for high-end gaming. The Mali-G57 in the Nokia G21 is much less powerful and won't run graphically demanding games very well.
Camera
Main Camera50MP, f/1.88, 1/1.56" Sony IMX76650MP, f/1.8, 1/2.76" Samsung S5KJN1The Xiaomi 12X has a larger sensor (Sony IMX766), which captures more light and produces better images, particularly in low light. The Nokia G21 has a smaller sensor, which may be less capable in challenging situations.
Selfie Camera32MP, f/2.45, 1/3" Omnivision OV32B8MP, f/2.0The Xiaomi 12X's front camera is much higher resolution and will produce significantly sharper selfies and video calls. The Nokia G21's selfie camera is basic.
Wide Angle Lens13MP, f/2.4, 1/3.06" Omnivision OV13B10NoneThe Xiaomi 12X includes a dedicated wide-angle lens which lets you capture more of a scene in your photos. The Nokia G21 lacks this useful lens.
Portrait LensNone2MP, f/2.4The Nokia G21 has a dedicated depth lens, which is useful for creating portrait photos with a blurred background, while the Xiaomi 12X does not.
Macro Lens5MP2MPThe Xiaomi 12X has a higher resolution macro lens which will allow you to take more detailed close up shots, while the Nokia G21's macro camera is basic.
Video RecordingUp to 8K@24fps w/EIS1080p@30fpsThe Xiaomi 12X is capable of recording very high resolution, professional-grade video, with impressive stabilization. The Nokia G21's video is limited to basic 1080p and lacks advanced features.
Battery Life
Capacity4500 mAh5050 mAhThe Nokia G21 has a larger battery that, coupled with its lower power chipset, likely results in better battery life. The Xiaomi 12X may need more frequent charging due to its more powerful internals.
Charging67W Fast Charging, Li-Polymer18W Fast Charging, Li-IonThe Xiaomi 12X's 67W fast charging significantly reduces charge times. The Nokia G21's 18W charging is much slower and less convenient.
Software
OSAndroid 11Android 11, upgradeable to 13The Nokia G21, while running Android 11 out of the box, has an upgrade to Android 13 available. The Xiaomi 12X runs Android 11 with no promise of future major updates.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 5The Xiaomi 12X supports Wi-Fi 6, offering faster speeds and better performance in busy networks. The Nokia G21 uses the older Wi-Fi 5 standard.
Bluetooth5.15.0Xiaomi 12X has a newer bluetooth version.
Storage and RAM
Internal Storage128GB/256GB64GB/128GBThe Xiaomi 12X offers more storage in the higher-end configuration.
RAM8GB/12GB4GB/6GBThe Xiaomi 12X has more RAM, which makes it much more capable at multitasking.
Expandable StorageNoNoNeither phone supports expandable storage.
Audio
Audio QualityDolby Atmos, Hi-Res Audio, Stereo Speakers2 MicrophonesThe Xiaomi 12X boasts superior audio with Dolby Atmos, Hi-Res Audio, and stereo speakers, which offers a far more immersive and enjoyable experience. The G21 has a basic 2 microphone setup.
Security
Fingerprint SensorBasic fingerprint sensorSide-Mounted fingerprint sensorThe Nokia G21 has a more advanced side-mounted fingerprint sensor. The Xiaomi 12X has a standard fingerprint sensor.
Sensors
SensorsAccelerometer, Compass, Gyroscope, Ultrasonic Proximity sensorAccelerometer, ProximityThe Xiaomi 12X has a comprehensive sensor suite, useful for more advanced features and gaming. The Nokia G21 has a more basic sensor configuration.

2. Key Insights

  • Xiaomi 12X: The Powerhouse. The Xiaomi 12X is the clear winner in terms of raw performance and display quality. Its powerful Snapdragon 870 chip, stunning AMOLED display, and advanced camera system make it a great option for power users and those who prioritize a premium experience. The Xiaomi 12X shines in gaming, media consumption, and content creation. The premium design is also a bonus.
  • Nokia G21: The Reliable Budget Option. The Nokia G21 is all about battery life and a basic, no-frills experience. It is not built for intensive tasks, but rather for casual daily use. It has a larger battery, and although its display and performance fall short, its biggest selling point is that it is a solid, reliable device if you don't need high performance. The promise of software updates is a plus.

3. User Profiles and Recommendations

  • Xiaomi 12X:
    • Ideal for: Gamers, content creators, media enthusiasts, and those who value smooth performance and high-quality visuals.
    • Use Cases: Demanding mobile games, high-resolution video editing, streaming high-quality content, and capturing detailed photos and videos.
    • Trade-Offs: Potentially shorter battery life compared to the Nokia G21, and lacks expandable storage.
  • Nokia G21:
    • Ideal for: Users on a tight budget, those who prioritize battery life and longevity, and those who only need basic smartphone functionalities.
    • Use Cases: Casual web browsing, social media, calling, texting, and basic photography.
    • Trade-Offs: Noticeably less powerful, lower resolution display, and a more basic camera system.

4. Buying Decision Framework

Here are three questions to help you decide which phone is right for you:

  1. Performance vs. Battery Life: Do you prioritize fast performance for gaming, multitasking, and demanding apps, or are you looking for a phone that can last you all day on a single charge?
  2. Display Quality: How important is a crisp, vibrant display with smooth animations? Do you care about having deep blacks and HDR support for an immersive viewing experience?
  3. Budget: How much are you willing to spend? The Xiaomi 12X will likely cost significantly more than the Nokia G21, so budget should be a strong deciding factor.

Scenario-Based Recommendations:

  • The Power User: If you need a phone for serious mobile gaming or demanding apps, the Xiaomi 12X is the clear choice. Its powerful processor, high refresh display, and excellent camera make it ideal for intensive use.
  • The Casual User: If you mainly use your phone for browsing the web, checking social media, and basic tasks, the Nokia G21 is a more economical choice. It offers all-day battery life, and its upgrade to Android 13 helps with longevity.
  • The Value Seeker: If you want the best possible performance for a reasonable price, then consider how the price difference between the Xiaomi 12X and the Nokia G21 affects your overall experience. Be sure to compare current pricing in your region and make your choice accordingly.

My Choice

If I were choosing between these two phones, I would personally go with the Xiaomi 12X. While the battery life of the Nokia G21 is tempting, the overall experience you get from the Xiaomi 12X is on a completely different level. The much superior display, the dramatically better processor, the better camera, and the inclusion of premium audio features are the factors that make the Xiaomi 12X my choice. I'd be willing to deal with potentially needing to charge it more frequently for the overall improved experience and performance it offers.

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.