Xiaomi 12 vs Samsung Galaxy M15 - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12
Xiaomi 12
Xiaomi

General

Launch Date December 31, 2021 April 5, 2024
Release Year 2021 2024

Physical

Volume 87.52 cm³ 114.35 cm³
Screen Size to Weight Ratio 3.51 "/g 3 "/g
Weight 179 g 217 g
Height 152.7 mm 160.1 mm
Width 69.9 mm 76.8 mm
Thickness 8.2 mm 9.3 mm
Foldable Design No No
Available Colors
  • Blue
  • Green
  • Purple
  • Gray
  • Gray
  • Light Blue
  • Dark Blue

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 142.01 mAh/in²
Battery Density 51.41 mAh/cm³ 52.47 mAh/cm³
Battery Capacity 4500 mAh 6000 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

Comparison Summary

Alright, let's dive deep into the battle of the Xiaomi 12 and the Samsung Galaxy M15. These two phones, while both aiming for the mainstream market, have very different approaches to achieving their goals. One is a former flagship, while the other is a budget-friendly contender. Let's break it down!

1. Specifications Breakdown

Here's a comprehensive comparison table, highlighting the key differences and their real-world impact:

FeatureXiaomi 12Samsung Galaxy M15Real-World Implications
Design
Dimensions152.7 × 69.9 × 8.2 mm160.1 × 76.8 × 9.3 mmXiaomi 12 is significantly more compact and pocketable; M15 is bulkier.
Weight179g217gXiaomi 12 is noticeably lighter, making it more comfortable for extended use.
BuildCorning Gorilla Glass Victus (screen), unspecified body materialUnknown screen protection, unspecified body materialXiaomi 12 has better screen protection; M15 has unknown protection for screen
Display
Size6.28"6.5"M15 has a slightly larger display for immersive media consumption.
Resolution1080x24001080x2340Similar sharpness, though Xiaomi 12 is slightly sharper due to higher PPI
PPI419396Xiaomi 12 offers a slightly more detailed display.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks, and excellent contrast.
Refresh Rate120Hz90HzXiaomi 12 provides smoother scrolling and animations, making it feel snappier.
Brightness1100 nits800 nitsXiaomi 12 has significantly better outdoor visibility in bright sunlight.
Performance
ChipsetQualcomm Snapdragon 8 Gen 1 (4 nm)Mediatek Dimensity 6100+ (6 nm)Xiaomi 12 is a high-performance phone, M15 is a budget oriented phone.
AnTuTu Score1,150,831442,500Xiaomi 12 offers vastly superior performance for gaming, multitasking, and resource-intensive apps.
GPUAdreno 730Mali-G57 MC2Xiaomi 12 has better graphics processing for gaming.
Battery Life
Capacity4500mAh6000mAhM15 has a significantly larger battery, which could lead to better battery life.
Charging67W wired, 50W wireless25W wiredXiaomi 12 charges much faster with significantly higher speed.
Battery FeaturesReverse charging, Non-removableNon-removableXiaomi 12 can charge other devices and support wireless charging.
Camera
Main Camera50MP (f/1.88, 1/1.56", 1.0µm, Sony IMX766)50MP (f/1.8)Xiaomi 12 has a larger sensor size and detailed pixel information.
Selfie Camera32MP (1/3.14", 0.7µm, Samsung JD1)13MP (f/2.0)Xiaomi 12 has a much higher-resolution selfie camera.
Wide-Angle Camera13MP (f/2.4)5MP (f/2.2)Xiaomi 12 captures much more detailed wide-angle shots. M15 has slightly wider aperture
Macro Camera5MP (f/2.4)2MP (f/2.4)Xiaomi 12 captures better macro photos
Video RecordingUp to 8K@24fpsUp to 1080p@30fpsXiaomi 12 offers much higher video recording quality and has more video capabilities.
DXOMark Score113 (Main), 118 (Photo), 121 (Video)Not TestedXiaomi 12 has a proven superior camera system
Camera FeaturesOIS, Ultra Stable Video, RAW, Night ModeBasic photo featuresXiaomi 12 offers a more advanced and capable camera setup.
Software
OSAndroid 12Android 14M15 runs on newer android version, though this can be updated.
Connectivity
Wi-FiWi-Fi 6, MiMOWi-Fi 5Xiaomi 12 supports newer WiFi standard.
Bluetooth5.2, APT-x, LDAC, SBC, AAC5.2Xiaomi 12 provides more audio codec options for better sound quality.
GPSAdvanced GPS systemsBasic GPS systemsXiaomi 12 has better and more precise location tracking.
Storage
Internal128/256 GB128 GBXiaomi 12 offers more storage options.
RAM8/12 GB4/6 GBXiaomi 12 has significantly more RAM for better multitasking.
Expandable StorageNoNoNeither phone supports expandable storage.
Audio
QualityDolby Atmos, Hi-Res Audio, Stereo Speakers2 MicrophonesXiaomi 12 offers superior audio quality and features.
Security
FeaturesBasic fingerprintSide-mounted fingerprintSamsung Galaxy M15 offers more advanced and convenient fingerprint sensor.
Sensors
SensorsCompass, RGB, Advanced motion and proximityBasic Motion and proximityXiaomi 12 has better sensors for various applications and experiences

2. Key Insights

Xiaomi 12

  • Strengths:
    • Performance Powerhouse: With the Snapdragon 8 Gen 1, the Xiaomi 12 is significantly faster, making it ideal for demanding games and multitasking.
    • Superior Display: Its 120Hz AMOLED panel with higher brightness provides a more fluid and vibrant visual experience, especially outdoors.
    • Exceptional Camera: Offers advanced features, high-quality sensors, and impressive video recording capabilities.
    • Faster Charging: 67W wired and 50W wireless charging is a game-changer for quickly topping up the battery.
    • Premium Audio Experience: Includes Dolby Atmos, Hi-Res Audio, and Stereo Speakers.
  • Competitive Advantages: As a former flagship, it delivers a high-end experience that surpasses most mid-range phones.
  • Trade-offs:
    • Smaller battery capacity and might have less battery life compared to the M15.
    • Older Android version out of the box (Android 12).
    • No expandable storage.

Samsung Galaxy M15

  • Strengths:
    • Long-lasting Battery: The massive 6000mAh battery could easily last a day and a half, or more, of regular use.
    • Newer OS: Comes with the newer Android 14 out of the box.
    • More Practical Fingerprint Sensor: The side-mounted fingerprint sensor is more user-friendly and convenient than a basic fingerprint sensor.
  • Competitive Advantages: A budget-friendly option focusing on battery endurance and basic daily tasks.
  • Trade-offs:
    • Lower Performance: The Mediatek Dimensity 6100+ is suitable for everyday tasks but not as powerful for gaming or demanding apps.
    • Basic Camera: The camera system is less sophisticated and has lower image and video quality.
    • Slower Charging: 25W charging is quite slow compared to Xiaomi 12, meaning longer times to get back to 100%.
    • Basic Audio: It lacks advanced audio features.
    • Unknown build quality.
    • No expandable storage.

3. User Profiles and Recommendations

Xiaomi 12 is best for:

  • Power Users and Gamers: Who need top-tier performance, excellent graphics, and fluid visuals.
  • Photography Enthusiasts: Who value high-quality images, advanced camera features, and versatile video capabilities.
  • Users Who Value Premium Features: Such as fast charging, high resolution displays, great audio and a premium build.
  • Tech Enthusiasts: Who always want the latest technology and fastest speeds, and who might be able to look past slightly less battery capacity.
  • Users who spend a lot of time outside: The superior brightness will be very useful for those who are frequently outside in bright sunlight.

Samsung Galaxy M15 is best for:

  • Budget-Conscious Buyers: Who prioritize affordability and long battery life over raw performance.
  • Casual Users: Who primarily use their phone for basic communication, browsing, and social media.
  • Users Needing Maximum Battery Life: Who require a phone that can last through a busy day without needing a charge.
  • Users who prefer larger phones: The Samsung Galaxy M15 has a slightly larger size and screen compared to the Xiaomi 12.

4. Buying Decision Framework

Here are three practical questions to guide your decision:

  1. What's your main use case? If you're a gamer, photographer, or power user, the Xiaomi 12 is the clear choice. For everyday tasks, the M15 is good enough.
  2. How important is battery life to you? If you value long battery life, the M15 is a better choice. However, if you are willing to sacrifice some battery life for better performance and premium features, Xiaomi 12 is ideal.
  3. What's your budget? If you are budget conscious, the M15 is the more affordable choice. If you're willing to pay a bit more for the best performance and features, the Xiaomi 12 is the ideal pick.

Scenario-Based Recommendations:

  • Scenario 1: "I'm a heavy gamer": Go for Xiaomi 12 for its raw power.
  • Scenario 2: "I need a phone for basic tasks and a long battery life": The Samsung Galaxy M15 is the perfect option.
  • Scenario 3: "I want the best camera experience in this price range": Xiaomi 12 is the best pick.

My Choice

If I were choosing between these two phones, I would go with the Xiaomi 12. While the Samsung Galaxy M15 has its merits, especially with its long-lasting battery, I personally value performance and camera capabilities significantly more. The Xiaomi 12's superior chipset, smoother display, and versatile camera setup aligns perfectly with my needs and preferences, and while the battery might not be as large, the 67W charging capability means I can easily get a significant boost in minutes, so that is not really an issue. Furthermore, its premium features and enhanced audio experience also adds value to my usage scenarios.

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.