Samsung Galaxy S21 5G vs Xiaomi 13 - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 13
Xiaomi 13
Xiaomi

General

Launch Date January 29, 2021 December 14, 2022
Release Year 2021 2022

Physical

Volume 85.33 cm³ 87.4 cm³
Screen Size to Weight Ratio 3.67 "/g 3.44 "/g
Weight 169 g 185 g
Height 151.7 mm 152.8 mm
Width 71.2 mm 71.5 mm
Thickness 7.9 mm 8 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • Black
  • Red
  • Yellow
  • Blue
  • White
  • Green
  • Gray
  • Flora Green
  • Mountain Blue

Display

Screen Size 6.2 " 6.36 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.9 % 89.4 %
Pixel Density 421 PPI 414 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 1200 nits
Peak Brightness 1300 nits 1900 nits

Hardware

Battery Capacity per Screen Area 104.06 mAh/in² 111.25 mAh/in²
Battery Density 46.88 mAh/cm³ 51.49 mAh/cm³
Battery Capacity 4000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPU Mali-G78 MP14 - International Adreno 740

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 13
Maximum OS Version 15 14

Comparison Summary

Smartphone Comparison: Samsung Galaxy S21 5G vs. Xiaomi 13

1. Specifications Comparison

Here's a detailed breakdown of the specifications, highlighting their practical impact:

FeatureSamsung Galaxy S21 5GXiaomi 13Practical Impact
Design
Dimensions151.7 x 71.2 x 7.9 mm152.8 x 71.5 x 8 mmXiaomi 13 is slightly taller and thicker; differences are minimal for daily use.
Weight169g185gS21 5G is noticeably lighter, better for extended one-handed use.
Display
Size6.2"6.36"Xiaomi 13 offers a slightly larger viewing area, beneficial for media consumption.
Resolution1080 x 24001080 x 2400Identical sharpness; both offer a very good visual experience.
PPI421414Virtually identical pixel density; neither will appear sharper than the other to the naked eye.
TechnologyAMOLEDAMOLEDVibrant colors, deep blacks, and excellent viewing angles on both phones.
Refresh Rate120Hz120HzSmooth scrolling and animations; the same experience on both.
Brightness1300 nits1900 nitsXiaomi 13 is significantly brighter, especially noticeable in direct sunlight.
Performance
ChipsetExynos 2100 (5 nm)Snapdragon 8 Gen 2 (4 nm)Snapdragon 8 Gen 2 is significantly more powerful, offering faster app launches and better gaming performance.
AnTuTu Score749,1001,532,113Xiaomi 13 offers much higher performance; it handles demanding tasks and gaming with ease.
GPUMali-G78 MP14Adreno 740Adreno 740 is a more capable GPU resulting in better graphics performance in games and demanding tasks.
Camera
Main Camera12MP, f/1.8, 1/1.76"54MP, f/1.8, 1/1.49"Xiaomi 13 captures much more detail. Xiaomi 13 has a larger sensor for better low-light performance.
Telephoto/Portrait64MP, f/2.0, 1/1.72"NoneS21 5G offers a dedicated telephoto lens for zoomed shots; missing on Xiaomi 13.
Selfie Camera10MP, f/2.2, 1/3.2"32MP, f/2.0, 1/3.2"Xiaomi 13's selfie camera takes higher-resolution selfies; Xiaomi 13 has a wider aperture for better low light.
Telephoto LensNone10MP, f/2.0, 1/3.9"Xiaomi 13 includes a dedicated telephoto camera, missing on S21 5G
Wide Angle LensNone13MP, f/2.2, 1/3.06"Xiaomi 13 includes a wide-angle lens, missing on S21 5G
Wide Angle + Macro12.2MP, f/2.2, 1/2.55"NoneS21 5G includes a wide-angle + macro lens, missing on Xiaomi 13
VideoUp to 8K@24fpsUp to 8K@24fpsBoth record excellent video with similar maximum resolution. Xiaomi 13 offers higher slow motion frame rate
DxoMark Mobile Score111130Xiaomi 13 scores higher, indicating better overall camera performance.
Battery
Capacity4000mAh4500mAhXiaomi 13 offers longer battery life; it will likely last longer on a single charge.
Charging25W Fast Charging67W Fast ChargingXiaomi 13 charges much faster, minimizing downtime.
Wireless Charging15W50WXiaomi 13 has faster wireless charging
Reverse Wireless Charging4.5W10WXiaomi 13 can charge accessories faster
Software
OSAndroid 11 (upgradable to 15)Android 13 (upgradable to 14)Xiaomi 13 has a newer Android version out of the box; both will get future updates.
Connectivity
WiFiWi-Fi 6Wi-Fi 6Similar Wi-Fi performance; both support the latest standards.
BluetoothBluetooth 5.0Bluetooth 5.3Xiaomi 13 has a newer Bluetooth version, potentially offering better energy efficiency.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoA-GPS, GLONASS, Beidou, QZSS, Galileo, NavICXiaomi 13 has more precise GPS thanks to extra support for more satellite networks.
SIMDual SIM (Nano)Dual SIM (Nano + eSIM)Xiaomi 13 offers eSIM support for more flexibility in mobile plans
Storage
Internal128GB/256GB128GB/256GB/512GBXiaomi 13 offers a larger 512GB storage option.
RAM8GB8GB/12GBXiaomi 13 offers a 12GB RAM option for better multitasking and future-proofing.
ExpandableNoNoNeither phone supports expandable storage.
Audio
QualityDolby Atmos, Stereo Speakers, Noise cancellation microphoneDolby Atmos, Stereo Speakers, Hi-Res AudioBoth offer good audio quality. Xiaomi 13 has Hi-Res audio; S21 5G has noise cancellation microphone for better calls.
Security
Featuresbasic fingerprint sensorbasic fingerprint sensorBoth have a standard fingerprint sensor for biometric security.
Build Quality
ProtectionGorilla Glass VictusGorilla Glass VictusBoth have same screen protection
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, Gyroscope, BarometerFingerprint, Proximity, Accelerometer, Compass, Gyroscope, RGBSimilar sensor suite for advanced features. S21 5G has a Barometer. Xiaomi 13 has RGB sensor.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Lighter Design: More comfortable for prolonged use, especially one-handed.
  • Dedicated Telephoto/Portrait Camera: Offers more flexibility in zooming and portrait shots.
  • Wide Angle + Macro Lens: Provides a dedicated lens for both wide angle and macro photography.
  • Noise Cancellation Microphone: Offers better call quality
  • Barometer: Useful for those needing altitude information.

Xiaomi 13 Advantages:

  • Significantly Faster Performance: Handles demanding tasks and games with greater ease due to the Snapdragon 8 Gen 2 chipset.
  • Brighter Display: Much better visibility in direct sunlight and other bright conditions.
  • Larger Battery & Faster Charging: Offers longer battery life and significantly faster charging.
  • Higher Resolution Main Camera: Captures more detailed photos with a larger sensor for better low light performance.
  • Telephoto and Wide Angle Lenses: Offers additional lenses for more versatility
  • Higher Resolution Selfie Camera: Superior detail for selfie photography
  • Newer Bluetooth Version: May offer better audio and battery performance.
  • Hi-Res Audio: Better audio fidelity for audiophiles.
  • eSIM Support: Greater flexibility when switching mobile plans.
  • RGB sensor: Color detection sensor.

Trade-offs:

  • S21 5G: Sacrifices performance and battery life for a more compact design, less versatile camera system, and slower charging.
  • Xiaomi 13: Heavier, has a less comprehensive camera lens selection compared to the S21 5G.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G Ideal User:

  • Users who prioritize a lightweight and compact design.
  • Users who need a dedicated telephoto lens and wide + macro lens.
  • Users who prefer a full set of sensors
  • Users who value noise cancellation for call quality.
  • Those who do not engage in demanding mobile gaming.

Use Cases:

  • Casual social media browsing and messaging
  • Taking quick snaps and portraits with a dedicated telephoto camera.
  • Everyday tasks
  • Travelers needing altitude information.

Xiaomi 13 Ideal User:

  • Users who need top-tier performance for gaming and demanding apps.
  • Users who value long battery life and fast charging.
  • Users who want better screen visibility in bright conditions.
  • Users who want versatility in their camera lenses.
  • Users who want to future-proof their device with a large RAM and storage capacity option.
  • Users who value Hi-Res Audio.

Use Cases:

  • Mobile gaming and running resource-intensive apps.
  • Taking photos in various conditions with excellent low-light performance.
  • Traveling and needing long battery life.
  • Frequent users of mobile data needing eSIM.
  • High quality Audio for music consumption.

4. Decision Framework

Consider these questions before choosing a phone:

  1. What is your priority: Lightweight Design or Performance? If you value a lighter, more compact design, the S21 5G might be a better fit; if performance is key, the Xiaomi 13 is the clear choice.
  2. How important is camera versatility? If you want flexibility in zoomed portraits and macro photography, the S21 5G's telephoto and macro lens is ideal; if you want high detail photos, wide shots and telephoto the Xiaomi 13 is preferable.
  3. How much do you value battery life and charging speed? If fast charging and long battery life are critical, the Xiaomi 13 is the superior option.

Scenario-Based Recommendations:

  • For the Casual User: The Samsung Galaxy S21 5G may suffice with its lighter design and solid performance, provided that heavy gaming is not a priority.

  • For the Power User: The Xiaomi 13 is the better choice due to its significantly superior performance, longer battery life, faster charging, and more versatile camera array.

My Choice

I would choose the Xiaomi 13. While the Samsung Galaxy S21 5G has its strengths, the Xiaomi 13 is more compelling. The performance difference is substantial, ensuring a smoother experience for demanding apps and games, and the much brighter screen significantly improves outdoor visibility. I also value faster charging and longer battery life. The versatility of its camera is also more appealing for my photography needs, despite missing the macro lens of the S21 5G. Even though it is slightly heavier and missing a couple of sensors, the advantages of the Xiaomi 13 significantly outweigh the trade-offs for my daily usage.

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
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.