Samsung Galaxy S21+ 5G vs Xiaomi Redmi 10C - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 March 23, 2022
Release Year 2021 2022

Physical

Volume 95.23 cm³ 107.83 cm³
Screen Size to Weight Ratio 3.35 "/g 3.53 "/g
Weight 200 g 190 g
Height 161.5 mm 169.6 mm
Width 75.6 mm 76.6 mm
Thickness 7.8 mm 8.3 mm
Foldable Design No No
Available Colors
  • Phantom Violet
  • Phantom Pink
  • Phantom Black
  • Phantom Silver
  • Phantom Gold
  • Phantom Red
  • Mint Green
  • Graphite Gray
  • Ocean Blue

Display

Screen Size 6.7 " 6.71 "
Resolution 1080 x 2400 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 88.8 % 82 %
Pixel Density 394 PPI 268 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 106.93 mAh/in² 111.05 mAh/in²
Battery Density 50.4 mAh/cm³ 46.37 mAh/cm³
Battery Capacity 4800 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM6225 Snapdragon 680 4G (6 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU Mali-G78 MP14 - International Adreno 610

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 11
Maximum OS Version 15

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy S21+ 5G and the Xiaomi Redmi 10C, focusing on their practical implications:

FeatureSamsung Galaxy S21+ 5GXiaomi Redmi 10CPractical Impact
Design
Dimensions161.5 x 75.6 x 7.8 mm169.6 x 76.6 x 8.3 mmS21+ is slightly smaller, Redmi 10C is taller and thicker; S21+ likely feels more premium and compact, Redmi 10C has more volume.
Weight200g190gRedmi 10C is slightly lighter, potentially more comfortable for extended use.
Display
Size6.7"6.71"Negligible difference; both have large screens suitable for media consumption.
Resolution1080 x 2400720 x 1650S21+ offers a much sharper display; text and images will appear crisper and less pixelated.
PPI394268S21+ has a significantly higher pixel density, resulting in a noticeably sharper image.
TechnologyAMOLEDIPS LCDS21+ has superior color reproduction, deeper blacks, and better contrast; better for HDR content and outdoor visibility.
Refresh Rate120Hz60HzS21+ provides smoother scrolling, animations and a more responsive feel in UI and games.
Brightness1300 nits0 nits (Not specified)S21+ has significantly better outdoor visibility in bright sunlight, Redmi 10C outdoor brightness is unknown.
Performance
ChipsetExynos 2100 (5 nm)Snapdragon 680 4G (6 nm)S21+ has a significantly more powerful chip; much faster app loading, smoother multitasking, and better gaming.
AnTuTu Score749,100248,639S21+ offers more than double the performance, leading to a smoother and more responsive user experience.
GPUMali-G78 MP14Adreno 610S21+ has a more powerful GPU, resulting in better graphics performance, especially in demanding games.
Camera
Standard Camera12MP, f/1.8, 1/1.76" sensor50MP, f/1.8, 1/2.76" sensorRedmi 10C has higher megapixel count but S21+ has a much larger sensor which gathers more light; S21+ better in low light.
Telephoto64MP, f/2.0, 1/1.72" sensorNoneS21+ has a dedicated zoom lens which can produce significantly sharper zoomed-in shots.
Selfie Camera10MP, f/2.2, 1/3.2" sensor5MP, f/2.2S21+ selfie camera captures more detail and performs better in low light, better for video calls.
Portrait (Depth)None2MP, f/2.4, 1/5" sensorRedmi 10C offers dedicated depth sensing for better background blur effects in portraits.
Wide Angle + Macro12.2MP, f/2.2, 1/2.55" sensorNoneS21+ has a versatile wide-angle camera and macro mode for capturing different perspectives and detailed close-ups.
VideoUp to 8K@24fps, 4K@60fps1080p@30fpsS21+ offers significantly higher resolution and frame rate options for professional-quality video recording.
DXOMark ScoreMobile: 111, Photo: 118, Video: 89Not TestedS21+ provides superior photo and video quality compared to Redmi 10C.
Battery
Capacity4800 mAh5000 mAhRedmi 10C has a slightly larger battery; may translate to slightly longer battery life.
Charging25W fast charging18W fast chargingS21+ charges faster, reducing downtime.
Wireless Charging15WNoneS21+ can be charged wirelessly, providing a more convenient way to charge.
Reverse Charging4.5W Wireless, WiredWiredS21+ can charge other devices wirelessly, while both can do so with a cable.
Software
OSAndroid 11 (Upgradable to 15)Android 11 (Not specified upgradability)S21+ is confirmed to receive more OS updates, providing access to newer features and security patches.
Connectivity
Wi-FiWi-Fi 6 (802.11ax)Wi-Fi 5 (802.11ac)S21+ supports a newer Wi-Fi standard offering better speed and performance in crowded networks.
BluetoothBluetooth 5.0 (extensive features)Bluetooth 5.0 (basic features)S21+ offers a more comprehensive Bluetooth feature set for various audio and connectivity profiles.
GPSGPS (L1+L5), Galileo (E1+E5a)GPS, A-GPS, GLONASS, Beidou, GalileoS21+ has more precise GPS capabilities.
Storage
Internal Storage128GB/256GB64GB/128GBS21+ offers more storage options for storing more files, photos and apps.
RAM8GB3GB/4GBS21+ has significantly more RAM, offering better multitasking and overall system responsiveness.
Expandable StorageNoNoNeither phone allows additional storage via microSD cards.
Audio
QualityDolby Atmos, Hi-Res Audio, Stereo SpeakersBasic audio featuresS21+ provides a superior audio experience with better sound quality, clear calls and richer audio immersion, S21+ also has stereo speakers.
Security
Fingerprint SensorBasic SensorRear-mounted SensorSimilar fingerprint sensor technology.
Build Quality
Screen ProtectionCorning Gorilla Glass VictusUnknownS21+ uses superior screen protection technology, making it less prone to scratches and cracks.
Sensors
SensorsExtensive set of sensorsBasic set of sensorsS21+ provides a much more comprehensive sensor suite, enabling more features and better accuracy across different functions.

2. Key Differences Analysis

Samsung Galaxy S21+ 5G Advantages:

  • Superior Display: AMOLED panel with higher resolution, higher pixel density, 120Hz refresh rate, and much higher brightness provides a significantly better viewing experience, especially for media consumption and outdoor use.
  • Much Higher Performance: Exynos 2100 chipset offers drastically better CPU and GPU performance, leading to smoother multitasking, faster app loading, and a superior gaming experience.
  • Better Camera System: Includes telephoto, wide-angle, and macro lenses, resulting in more versatile photography and videography options, 8K video capability, and superior photo quality with OIS, and higher DXOMARK score.
  • Faster Charging and Wireless Capabilities: Offers both faster wired charging and convenient wireless charging with reverse charging capabilities.
  • More Advanced Connectivity: Supports newer Wi-Fi standards, more precise GPS and a more comprehensive Bluetooth feature set, providing more reliable and high-speed connections.
  • Premium Audio: Stereo Speakers, Dolby Atmos, Hi-Res Audio and noise-canceling microphone offer vastly superior audio experience.
  • More RAM and storage: Provides more RAM and storage options for smoother multitasking and more storage.
  • Better Screen Protection: Comes with Corning Gorilla Glass Victus for added durability.
  • More Comprehensive Sensor Suite: Offers a wider range of sensors for enhanced functionalities.

Xiaomi Redmi 10C Advantages:

  • Slightly Larger Battery: May offer marginally longer battery life due to its larger capacity.
  • Lower Price: Typically offered at a much more budget-friendly price point, making it more accessible.
  • Portrait Depth Camera: Has a dedicated depth sensor.
  • Lighter: Weighing slightly less at 190g.

Significant Trade-offs:

  • Samsung S21+ 5G: Higher cost, no expandable storage.
  • Xiaomi Redmi 10C: Subpar display, significantly lower performance, very basic camera, slower charging, and missing many advanced connectivity features.

3. User Profiles & Recommendations

Samsung Galaxy S21+ 5G Ideal Users:

  • Power Users: Individuals who need top-tier performance for gaming, heavy multitasking, and demanding applications.
  • Content Creators: Users who value high-quality photos and videos, often requiring features like 8K video, telephoto lenses, and advanced stabilization.
  • Media Enthusiasts: Those who prioritize a high-quality display for viewing HDR content, movies, and games, as well as a premium audio experience.
  • Users who want a premium phone experience: Those who value a premium build, materials, wireless charging, and a more responsive experience.
  • Users who want future-proofed devices: The additional software updates that the S21+ will receive, and it's more powerful hardware make it a better future-proofed device.

Specific Use Cases:

  • High-end Mobile Gaming: Smooth performance and high refresh rate make it ideal for playing graphically intensive games.
  • Professional Photography/Videography: Superior camera system with various lenses and 8K recording capabilities.
  • On-the-go Productivity: Smooth multitasking with ample RAM and a powerful processor for quick switching between apps.
  • Long Trips with Media Consumption: High-quality display and superior audio make for enjoyable binge-watching.

Xiaomi Redmi 10C Ideal Users:

  • Budget-Conscious Consumers: Individuals looking for a functional smartphone at a very affordable price.
  • Basic Smartphone Users: Those who primarily use their phone for calls, texts, social media, and light web browsing.
  • Users Who Value Battery Life: Those who prioritize having a large battery for long use throughout the day.
  • First Time Smartphone Users: Who don't require high-performance features, or are learning the basics of using a smartphone.

Specific Use Cases:

  • Basic Communication: Suitable for everyday calls, texts, and social media interactions.
  • Light Web Browsing and Social Media: Sufficient for basic internet usage and social networking.
  • Users who want a very cheap phone: This device excels for users who just want the most basic functions of a smartphone at a very low price.

Price-to-Value Ratio:

  • The Samsung Galaxy S21+ 5G offers significantly higher performance and features, justifying its higher price tag for power users and those who value a premium experience.
  • The Xiaomi Redmi 10C provides basic smartphone functionality at a budget price, making it a good option for those with limited budgets, but with significant compromises in all aspects of the phone.

4. Decision Framework

Here are three key questions for potential buyers to consider:

  1. What is your budget? The S21+ is a much more premium device and will cost significantly more than the Redmi 10C.
  2. How important are high-performance features and screen quality? If you need superior performance, camera capabilities, display quality, and overall responsiveness, the S21+ is the obvious choice. If you only need the most basic functions and are not a power user, the Redmi 10C will suffice.
  3. How long do you want to keep the device for? The S21+ will receive software updates for many years, while the Redmi 10C is unlikely to. The far superior hardware in the S21+ will also keep it performing well for much longer.

Scenario-Based Recommendations:

  • Scenario 1: Gaming enthusiast on a moderate budget - Opt for the Samsung S21+ for superior performance and a great display, even if it means stretching the budget slightly, as you are getting a vastly superior device for the price difference.
  • Scenario 2: Casual user on a very tight budget - The Redmi 10C would suffice, as it is suitable for basic everyday use, despite the considerable compromises in all other aspects.
  • Scenario 3: User who values camera quality and display for media - The S21+ is the clear winner, with superior photo and video quality, as well as a much better screen for viewing content.
  • Scenario 4: User who wants to use the device for many years - The S21+ is the better choice due to it receiving more software updates and having far more powerful hardware that will keep it performing well for longer.

My Choice

If I were choosing between these two phones, I would overwhelmingly choose the Samsung Galaxy S21+ 5G. Despite the higher price, the advantages in performance, display quality, camera versatility, and overall user experience are far too significant to ignore. While the Xiaomi Redmi 10C may offer a slightly larger battery and is a much cheaper device, the compromises it makes in display, performance, and camera are simply too great for a user who wants a smooth, high-quality smartphone experience. The S21+ is a much more capable device across the board, making it a worthwhile investment that will likely perform well for many years. The additional features such as wireless charging, reverse wireless charging, and the significantly better display make the S21+ a far more compelling device, and worth the increased price.

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
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Bridging technical complexity with engaging, accessible narratives.