Xiaomi 12 vs Nothing Phone (2a) - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12
Xiaomi 12
Xiaomi

General

Launch Date December 31, 2021 March 12, 2024
Release Year 2021 2024

Physical

Volume 87.52 cm³ 106.1 cm³
Screen Size to Weight Ratio 3.51 "/g 3.53 "/g
Weight 179 g 190 g
Height 152.7 mm 161.7 mm
Width 69.9 mm 76.3 mm
Thickness 8.2 mm 8.6 mm
Foldable Design No No
Available Colors
  • Blue
  • Green
  • Purple
  • Gray
  • Black
  • Blue
  • White
  • Milk

Display

Screen Size 6.28 " 6.7 "
Resolution 1080 x 2400 1080 x 2412
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.2 % 87.6 %
Pixel Density 419 PPI 394 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 700 nits
HBM Brightness N/A 1100 nits
Peak Brightness 1100 nits 1300 nits

Hardware

Battery Capacity per Screen Area 114.10 mAh/in² 111.38 mAh/in²
Battery Density 51.41 mAh/cm³ 47.12 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) Mediatek Dimensity 7200 Pro (4 nm)
CPU Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (2x2.8 GHz Cortex-A715 & 6x 2.0 Cortex-A510)
GPU Adreno 730 Mali-G610 MC4

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 12 14
Maximum OS Version 17

Comparison Summary

Okay, let's dive deep into the Xiaomi 12 and the Nothing Phone (2a), breaking down their specs and, more importantly, what they mean for you, the user.

1. Specifications Breakdown

Here’s a detailed look at how these two phones stack up, with a focus on real-world implications:

FeatureXiaomi 12Nothing Phone (2a)Real-World Implications
Design
Dimensions152.7 x 69.9 x 8.2 mm161.7 x 76.3 x 8.6 mmXiaomi 12 is more compact, feels lighter and easier to handle, while the Nothing Phone (2a) has a larger, more modern feel.
Weight179g190gXiaomi 12 feels notably lighter; might be better for one-handed use
Display
Size6.28"6.7"Nothing Phone (2a) offers more screen real estate, better for media consumption and multitasking.
Resolution1080x24001080x2412Both are sharp, with the difference being practically negligible.
Pixel Density419 ppi394 ppiXiaomi 12’s display is a tad sharper, which may be noticeable in extremely fine text
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks, and excellent viewing angles.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations.
Brightness1100 nits1300 nitsNothing Phone (2a) is more visible under direct sunlight, offering better outdoor usability.
Performance
ChipsetSnapdragon 8 Gen 1Dimensity 7200 ProXiaomi 12's chipset is significantly more powerful. Expect noticeably faster app loading, better multitasking, and smoother gaming.
AnTuTu Score1,150,831688,952Xiaomi 12's performance is about 67% better, indicating a very big difference in raw processing power.
GPUAdreno 730Mali-G610 MC4Xiaomi 12 generally has a better GPU for gaming and graphics-intensive tasks.
Camera
Standard Camera50MP, f/1.88, 1/1.56"50MP, f/1.88, 1/1.56"Similar main sensors; good for everyday photography.
Selfie Camera32MP, 1/3.14"32MP, f/2.2, 1/2.74"Nothing Phone (2a) has a slightly larger sensor, meaning it should perform a little better in low light.
Wide Angle Lens13MP, f/2.4NoneXiaomi 12 offers an additional wide-angle lens for versatile shooting, while Nothing has a combined wide+macro.
Macro Lens5MP, f/2.4NoneXiaomi 12 offers a dedicated macro lens for detailed close-up shots.
Wide Angle + MacroNone50MP, f/2.2, 1/2.76"Nothing Phone (2a) features a combined wide and macro lens for better versatility.
Video Recording8K@24fps, 4K@60fps4K@30fpsXiaomi 12 can shoot higher resolution video.
DxOMark Score113 (Mobile)Not TestedXiaomi 12’s camera performance is rated higher overall.
Battery Life
Capacity4500mAh5000mAhNothing Phone (2a) should last longer on a single charge due to its larger battery capacity.
Charging67W Fast Charging45W Fast ChargingXiaomi 12 charges significantly faster, reducing downtime.
Wireless Charging50WNoXiaomi 12 offers wireless charging, while Nothing Phone 2a does not.
Other FeaturesReverse charging, 10W reverse wirelessNo charger includedXiaomi 12 can charge other devices wirelessly and wired, while the nothing phone doesnt come with a charger in the box.

2. Key Insights

  • Xiaomi 12: The raw power of the Snapdragon 8 Gen 1 chipset gives it a clear performance advantage, making it better for heavy gaming and demanding applications. Its camera system is more versatile due to the dedicated telephoto and macro lenses, and it offers superior video capabilities. The 67W fast charging is a significant convenience.
  • Nothing Phone (2a): The Nothing Phone (2a) provides better battery life, a larger display, and a slightly brighter screen for outdoor use. It has a more modern design, but lags in raw performance. The Nothing Phone (2a) is better if you need a phone that lasts all day and has a larger screen for media consumption.

3. User Profiles and Recommendations

  • Xiaomi 12 Users: Best for users who prioritize performance, gaming, and top-tier camera capabilities. Ideal for tech enthusiasts and users who want the latest tech advancements and don't mind a slightly smaller device.
  • Nothing Phone (2a) Users: Well-suited for users who value battery life and want a large screen for media consumption. A great option for the average user who wants a reliable phone with a unique design and smooth everyday performance.

4. Buying Decision Framework

To help you choose, consider these questions:

  1. How important is performance to you? If you are a gamer or heavy user, the Xiaomi 12 is superior. For basic tasks, the Nothing Phone (2a) will be adequate.
  2. How much do you value battery life? If long battery life is your priority, the Nothing Phone (2a) has a larger battery capacity.
  3. What are your camera needs? If you want versatility with multiple lenses and superior video recording, the Xiaomi 12 is the better choice. If simplicity and standard images work for you, the nothing phone is great.

Scenario-Based Recommendations:

  • The Gamer: Choose the Xiaomi 12 for its superior performance and gaming experience.
  • The Content Consumer: The Nothing Phone (2a) for its large screen and longer battery.
  • The Photographer: Xiaomi 12 for its versatile camera system and advanced video capabilities.
  • The Average User: The Nothing Phone (2a) provides a balanced experience with good battery life, a large screen and reliable performance.

Which One Would I Choose and Why

Personally, if I had to choose between these two devices, I would lean towards the Xiaomi 12. While the Nothing Phone (2a) is certainly a compelling device with a large screen, great battery life and modern design, my priorities align more with raw performance and camera versatility. As a tech journalist and smartphone analyst, I often push phones to their limits with resource-intensive tasks, and the Snapdragon 8 Gen 1 chipset in the Xiaomi 12 offers a significant edge in this regard.

Additionally, I frequently need to capture high-quality photos and videos for my work, and the additional lenses and 8K recording capability of the Xiaomi 12 are essential to me. While the Nothing Phone (2a) is a solid device, the Xiaomi 12’s combination of power, versatile cameras, and faster charging makes it better suited to my needs. The smaller size is a bonus too!

Ultimately, both phones have their strengths, and the ideal choice depends on your specific needs and priorities. The Xiaomi 12 is better for those seeking cutting-edge power, and camera flexibility while the Nothing Phone (2a) will provide a great overall experience and value for daily use.

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.