Samsung Galaxy S21 5G vs Xiaomi 12T Pro - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 October 6, 2022
Release Year 2021 2022

Physical

Volume 85.33 cm³ 106.46 cm³
Screen Size to Weight Ratio 3.67 "/g 3.25 "/g
Weight 169 g 205 g
Height 151.7 mm 163.1 mm
Width 71.2 mm 75.9 mm
Thickness 7.9 mm 8.6 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • Silver
  • Black
  • Blue

Display

Screen Size 6.2 " 6.67 "
Resolution 1080 x 2400 1220 x 2712
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.9 % 86.7 %
Pixel Density 421 PPI 446 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 500 nits
HBM Brightness N/A N/A
Peak Brightness 1300 nits 900 nits

Hardware

Battery Capacity per Screen Area 104.06 mAh/in² 112.39 mAh/in²
Battery Density 46.88 mAh/cm³ 46.97 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x2.0 GHz Cortex-A510)
GPU Mali-G78 MP14 - International Adreno 730

Connectivity

USB Version 3.2 2.0
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 15 14

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy S21 5G and Xiaomi 12T Pro, focusing on practical implications:

Design

FeatureSamsung Galaxy S21 5GXiaomi 12T ProPractical Impact
Dimensions151.7 × 71.2 × 7.9 mm163.1 × 75.9 × 8.6 mmThe S21 is noticeably smaller and more pocketable. The 12T Pro is larger, which may be less comfortable for one-handed use, but offers a larger screen.
Weight169g205gThe S21 is significantly lighter and easier to hold for extended periods. The 12T Pro's added weight makes it feel more substantial.
BuildGlass front (Gorilla Glass Victus), glass back, aluminum frameGlass front (Gorilla Glass 5), glass back, aluminum frameThe S21 has newer Gorilla Glass Victus, providing better scratch and shatter resistance for the screen

Display

FeatureSamsung Galaxy S21 5GXiaomi 12T ProPractical Impact
Size6.2"6.67"The 12T Pro provides a more immersive experience for media consumption and gaming due to its larger display area.
Resolution1080 x 24001220 x 2712The 12T Pro has a sharper display, resulting in more detailed images and text.
PPI421446The 12T Pro has slightly higher pixel density leading to slightly sharper images.
TechnologyAMOLEDAMOLEDBoth offer excellent contrast, vibrant colors, and deep blacks.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations.
Brightness1300 nits1200 nitsThe S21 offers slightly better visibility in direct sunlight.

Performance

FeatureSamsung Galaxy S21 5GXiaomi 12T ProPractical Impact
ChipsetExynos 2100 (5 nm)Snapdragon 8+ Gen 1 (4 nm)The 12T Pro's Snapdragon chip is significantly more powerful, resulting in smoother performance, faster app loading, and better gaming capabilities.
AnTuTu Score749,1001,311,127The 12T Pro demonstrates a large performance advantage, handling demanding tasks much better.
GPUMali-G78 MP14Adreno 730The 12T Pro's Adreno GPU is superior for graphically intensive games and applications.

Camera

FeatureSamsung Galaxy S21 5GXiaomi 12T ProPractical Impact
Standard Camera12MP, f/1.8, 1/1.76"200MP, f/1.69, 1/1.22"The 12T Pro's primary sensor captures much higher detail and performs better in low light due to the larger sensor and wider aperture.
Telephoto64MP, f/2.0, 1/1.72"NoneThe S21 has a dedicated telephoto lens for optical zoom, while the 12T Pro uses digital zoom.
Wide Angle12.2MP, f/2.2, 1/2.55"8MP, f/2.2, 1/4"Both have a wide angle, but the S21 combines this with a macro camera for versatility.
MacroNone2MP, f/2.4, 1/5"The 12T Pro has a dedicated macro camera for close-up shots.
Selfie Camera10MP, f/2.2, 1/3.2"20MP, f/2.24, 1/2"The 12T Pro selfie captures more detail with its higher resolution and larger sensor
Video RecordingUp to 8K@24fpsUp to 8K@24fpsBoth can shoot high-resolution videos
DxOMark Mobile111129The 12T Pro has better image quality based on these scores.
DxOMark Selfie132Not AvailableSamsung S21 Selfie is better based on these scores.

Battery

FeatureSamsung Galaxy S21 5GXiaomi 12T ProPractical Impact
Capacity4000mAh5000mAhThe 12T Pro has a significantly larger battery, likely leading to longer battery life, even with the larger display and more powerful processor.
Charging25W120WThe 12T Pro's charging is significantly faster, enabling quicker top-ups.
Features15W Wireless, 4.5W Reverse Wireless, No Charger In-BoxNoneThe S21 offers wireless charging and reverse wireless charging for more convenience, but a charger must be purchased separately.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • More Compact and Lighter: Easier to handle and more pocketable.
  • Better Screen Protection: Features Gorilla Glass Victus for enhanced durability.
  • Wireless Charging and Reverse Charging: Offers convenient wireless charging and the ability to charge other devices wirelessly.
  • Telephoto Lens: Provides optical zoom for better image quality at greater distances.
  • Superior Selfie Camera: Higher score on DxOMark indicates better selfie capabilities.

Xiaomi 12T Pro Advantages:

  • Significantly More Powerful Processor: The Snapdragon 8+ Gen 1 provides superior performance for all tasks.
  • Larger, Higher Resolution Display: Offers a more immersive and detailed viewing experience.
  • Larger Battery Capacity: Ensures longer battery life.
  • Much Faster Charging: Significantly reduces charging times.
  • Higher Resolution Main Camera: Capture photos with much higher detail.

Trade-offs:

  • S21: Compromises on processing power and battery life for a more compact design and wireless charging features.
  • 12T Pro: Larger, heavier and lacks the wireless charging convenience of the S21.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G:

  • Ideal User: Users who prefer a compact, premium phone with wireless charging and good camera versatility.
  • Use Cases:
    • Everyday use and portability
    • Occasional photography, especially zoomed shots
    • Users who value wireless charging convenience
    • Those who want a smaller phone that feels good in the hand
  • Price-to-Value: The S21 was a flagship at its release, but its value will be diminished due to it being older now.

Xiaomi 12T Pro:

  • Ideal User: Power users and gamers who prioritize performance, long battery life, and fast charging with excellent photo quality
  • Use Cases:
    • Mobile gaming and heavy multitasking
    • Extensive media consumption
    • Photography enthusiasts seeking high-resolution images
    • Users who need all-day battery life and fast charging
  • Price-to-Value: The 12T Pro offers top-tier performance at a relatively competitive price making it a very good value.

4. Decision Framework

Key Questions:

  1. How important is size and weight to you? (S21 is smaller and lighter)
  2. What are your priorities regarding performance and battery life? (12T Pro is more powerful with a bigger battery, but lacks wireless charging)
  3. Which camera features are most important to you? (S21 has telephoto, the 12T Pro has a higher resolution main sensor and selfie sensor).

Scenario-Based Recommendations:

  • Scenario 1: Everyday User: If you need a compact, easy to handle phone, and wireless charging is important to you, the S21 may be better. However, if you want superior performance, battery, and camera quality, go with the Xiaomi.
  • Scenario 2: Power User/Gamer: The 12T Pro is the clear choice for its raw power and bigger battery.
  • Scenario 3: Photography Enthusiast: The 12T Pro offers a much higher resolution main sensor, while the S21 is more versatile with telephoto capabilities. However, the 12T Pro wins here with its superior main camera.
  • Scenario 4: Budget Conscious: Consider the current market prices, but the 12T Pro may provide a better price-to-performance ratio in many cases.

My Choice

If I had to choose between these two phones, I would pick the Xiaomi 12T Pro. Here's why:

  • Performance: The Snapdragon 8+ Gen 1 is a significantly more powerful chip than the Exynos 2100. This is important for longevity and smooth operation for years to come. The higher performance is also advantageous for more demanding tasks like gaming and video editing.
  • Battery: The 5000mAh battery combined with faster charging is an excellent combination. It provides more freedom and less charging anxiety.
  • Camera: While the S21 has a telephoto lens, the primary sensor on the 12T Pro is a much larger, higher resolution sensor which will provide far better image quality for the photos that I take most often.
  • Value: The 12T Pro provides significantly higher performance and specifications at a similar price point as the older S21, making it the better overall value.

Although the S21 has its merits like a compact size, better screen protection, wireless charging and a better selfie camera, the 12T Pro's strengths in performance, battery, and main camera capabilities better suit my needs.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

Key Strengths:

  • Mobile technology analysis
  • Digital media communication
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Bridging technical complexity with engaging, accessible narratives.