Xiaomi 12 vs Samsung Galaxy A15 5G - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12
Xiaomi 12
Xiaomi

General

Launch Date December 31, 2021 December 16, 2023
Release Year 2021 2023

Physical

Volume 87.52 cm³ 103.28 cm³
Screen Size to Weight Ratio 3.51 "/g 3.25 "/g
Weight 179 g 200 g
Height 152.7 mm 160.1 mm
Width 69.9 mm 76.8 mm
Thickness 8.2 mm 8.4 mm
Foldable Design No No
Available Colors
  • Blue
  • Green
  • Purple
  • Gray
  • Brave Black
  • Optimistic Blue
  • Magical Blue
  • Personality Yellow

Display

Screen Size 6.28 " 6.5 "
Resolution 1080 x 2400 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 89.2 % 84.3 %
Pixel Density 419 PPI 396 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 800 nits
Peak Brightness 1100 nits N/A

Hardware

Battery Capacity per Screen Area 114.10 mAh/in² 118.34 mAh/in²
Battery Density 51.41 mAh/cm³ 48.41 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 730 Mali-G57 MC2

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 USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 12 14
Maximum OS Version 17

Comparison Summary

Alright, let's break down the Xiaomi 12 and Samsung Galaxy A15 5G. We’ve got two very different phones here, each with its own strengths and target audience. Let's get into the details and see what real-world implications these specs have.

1. Specifications Breakdown

Here’s a detailed comparison of the Xiaomi 12 and Samsung Galaxy A15 5G, focusing on what these specifications mean for everyday use:

FeatureXiaomi 12Samsung Galaxy A15 5GReal-World Implications
Design
Launch Date2021-12-312023-12-16Galaxy A15 5G is a newer device with potentially longer software support.
Form FactorStandardStandardBoth are standard smartphones.
Dimensions152.7 x 69.9 x 8.2 mm160.1 x 76.8 x 8.4 mmXiaomi 12 is more compact and easier to handle one-handed, while the A15 5G is larger.
Weight179g200gXiaomi 12 is lighter, making it more comfortable for extended use and pocket-friendly.
Display
Size6.28"6.5"A15 5G has a slightly larger screen, potentially better for media consumption, while Xiaomi 12 could be more handy.
Resolution1080x24001080x2340Both offer sharp, clear visuals with comparable pixel density for daily tasks.
PPI419396Xiaomi 12 has slightly sharper details due to higher pixel density.
TechnologyAMOLEDAMOLEDBoth use vibrant AMOLED panels offering excellent contrast and deep blacks.
Refresh Rate120Hz90HzXiaomi 12 offers smoother animations and scrolling for a more fluid experience.
Brightness1100 nits800 nitsXiaomi 12 is noticeably brighter, better for outdoor visibility in sunlight.
Performance
ChipsetSnapdragon 8 Gen 1 (4 nm)Dimensity 6100+ (6 nm)Xiaomi 12 has a flagship-level processor, offering significantly faster performance. The A15 5G's chipset is more budget-oriented.
AnTuTu Score1,150,831442,500Xiaomi 12 has a substantially higher score for demanding tasks like gaming, video editing, and heavy multi-tasking.
GPUAdreno 730Mali-G57 MC2Xiaomi 12's GPU enables higher graphics performance for more demanding apps and games.
Camera
Main Camera50MP, f/1.88, 1/1.56" Sony IMX76650MP, f/1.8Xiaomi 12 benefits from a larger sensor and more detailed sensor for better low-light performance and dynamic range.
Selfie Camera32MP, 1/3.14" Samsung JD113MP, f/2.0Xiaomi 12 has a higher resolution selfie camera for more detailed and sharper images.
Wide Angle Lens13MP, f/2.45MP, f/2.2Xiaomi 12 offers a higher resolution wide angle lens for more detailed and wider shots.
Macro Lens5MP, f/2.42MP, f/2.4Xiaomi 12 offers a slightly higher resolution macro camera.
Video RecordingUp to 8K@24fps1080p@30fpsXiaomi 12 has significantly higher video recording capabilities, including 8K recording.
Camera FeaturesOIS, EIS, 8K, RAW, Night ModeEISXiaomi 12 has advanced camera features, including optical image stabilization and RAW capture.
DxOMark Score113 (Mobile), 118 (Photo), 121 (Video)N/AThe Xiaomi 12 has a DXOMark score, showing its camera performance.
Battery Life
Capacity4500mAh5000mAhA15 5G has a larger battery, potentially offering longer battery life.
Charging67W Fast Charging25W Fast ChargingXiaomi 12 charges much faster, reducing downtime.
Features50W Wireless Charging, Reverse ChargingN/AXiaomi 12 offers convenient wireless charging and reverse charging for other devices.
Software
Operating SystemAndroid 12Android 14Galaxy A15 5G comes with a newer version of Android for a longer period of software updates.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 5Xiaomi 12 supports faster Wi-Fi, ensuring better performance on modern networks.
Bluetooth5.2, aptX, LDAC5.2Xiaomi 12 has advanced audio codecs.
GPSDual-band GPS, GLONASS, Beidou, QZSS, GPS, GLONASS, BeiDou, Galileo, NavIC SystemA-GPS, GLONASS, Beidou, GalileoXiaomi 12 has more accurate GPS capabilities.
Storage & Memory
Internal Storage128 GB or 256 GBN/AXiaomi 12 offers greater storage capacity for apps, media, and files.
RAM8 GB or 12 GBN/AXiaomi 12 has more RAM for faster multitasking and smoother operation.
Expandable StorageNoNoNeither phone supports expandable storage, so choose the model with enough internal capacity.
Audio
Audio FeaturesDolby Atmos, Hi-Res, Stereo Speakers2 microphonesXiaomi 12 offers a superior audio experience with immersive sound and higher fidelity.
Security
FeaturesBasic fingerprint sensorSide-mounted fingerprint sensorA15 5G uses a side mounted fingerprint sensor for a more modern user experience.
Build Quality
Screen ProtectionCorning Gorilla Glass VictusUnknownXiaomi 12 uses a more protective glass.
SensorsBiometric: Fingerprint; Motion: Accelerometer, Compass, Gyroscope; Proximity: Ultrasonic proximity virtualBiometric: Fingerprint; Motion: Accelerometer, Gyroscope; Proximity: Ultrasonic proximity virtualXiaomi 12 has Compass for better directional accuracy and location-based services.

2. Key Insights

Xiaomi 12 Strengths:

  • Flagship Performance: The Snapdragon 8 Gen 1 chipset offers exceptional speed and responsiveness, ideal for gaming and demanding tasks.
  • Superior Display: The 120Hz AMOLED display with higher brightness ensures smooth visuals and excellent visibility even in direct sunlight.
  • Advanced Camera: The main camera with the Sony IMX766 sensor, along with 8K video recording, Optical Image Stabilization (OIS), and enhanced video capabilities make it great for photography enthusiasts.
  • Fast Charging & Wireless Charging: The 67W fast charging and convenient 50W wireless charging offer quick battery top-ups and great versatility.
  • High-Quality Audio: With features like Dolby Atmos, Hi-Res Audio, and Stereo Speakers, the Xiaomi 12 will provide a better media consumption experience.

Samsung Galaxy A15 5G Strengths:

  • Newer Device: Launched almost two years later than the Xiaomi 12, and should receive software updates for longer.
  • Larger Battery: Its 5000mAh battery will give you a longer battery life for daily use.
  • Updated OS: Comes with Android 14 out of the box.
  • Side-mounted fingerprint sensor: More modern fingerprint sensor.

Trade-offs:

  • The Xiaomi 12 compromises on battery size, and the lack of expandable storage might be an issue for some.
  • The Samsung A15 5G lags far behind in performance, camera capabilities, display quality, and fast charging when compared to the Xiaomi 12.

3. User Profiles and Recommendations

Xiaomi 12 is Best For:

  • Power Users and Gamers: Those who need the best possible performance for heavy multitasking, gaming, and other demanding apps.
  • Photography Enthusiasts: Users who value superior camera quality, detailed images, and enhanced video recording capabilities.
  • Tech Enthusiasts: Those who appreciate cutting-edge features like 120Hz display, fast charging, and high-fidelity audio.

Samsung Galaxy A15 5G is Best For:

  • Casual Users: Individuals who primarily use their phone for everyday tasks, social media, and casual browsing, and want a new phone.
  • Budget-Conscious Buyers: Those who prioritize a lower price point with longer software support, while still getting 5G capabilities.
  • Battery Life Focus: People who need a phone with a larger battery and longer runtimes.

4. Buying Decision Framework

Here are three practical questions to help you decide between these two phones:

  1. How important is performance to you?
    • If you need top-tier performance for gaming, heavy multitasking, or demanding apps, the Xiaomi 12 is the clear winner. If not, the A15 5G will handle everyday tasks with a bit less oomph.
  2. What are your camera priorities?
    • If camera quality is crucial and you like to take pictures often, especially at night, the Xiaomi 12’s advanced camera system is the better choice. If not, the A15 5G will do the job for basic photos and videos.
  3. What is your budget, and how long do you intend to use the phone?
    • If your budget is limited and longevity is important, the A15 5G may be better, as it's newer, and will have longer support. If you can find a good deal on the Xiaomi 12, and want a premium experience, it will be the better option.

Scenario-Based Recommendations:

  • For the hardcore gamer or multimedia editor: The Xiaomi 12 is the obvious choice, given its high-performance capabilities, graphics, display, and video recording.
  • For someone who prioritizes battery life and a modern OS: The Samsung Galaxy A15 5G is better, as it has a larger battery, and newer version of Android.
  • For the user looking for the best value: If you can find a deal on the Xiaomi 12, it will provide you with far better specs than the A15 5G.

What I Would Choose and Why

If it were me, and I had the option of both devices for free, I would absolutely pick the Xiaomi 12. While the Samsung Galaxy A15 5G has a few appealing advantages like the larger battery and newer software, the Xiaomi 12 offers a significantly superior experience in areas that matter most to me.

Here’s why:

  • Performance: As a tech journalist, I regularly run multiple apps simultaneously, test new features, and do a lot of photo and video editing. The Xiaomi 12's Snapdragon 8 Gen 1 chipset provides the speed and responsiveness that would be crucial for my workflow.

  • Display Quality: The 120Hz AMOLED display on the Xiaomi 12 would provide a much more enjoyable and smoother experience for everyday use.

  • Camera Versatility: I value the Xiaomi 12's advanced camera setup, including OIS, 8K video recording, and the main sensor. I value capturing high-quality photos and videos, and being able to get great low-light shots.

  • Fast Charging and Audio: The 67W fast charging and wireless charging capabilities are simply too convenient to pass up, especially when time is a critical factor in my daily life. Also the better audio experience is important to me, as I consume a lot of media.

While the Samsung Galaxy A15 5G has the advantage of being newer, its budget-oriented components just don't match the experience offered by the Xiaomi 12.

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.