Xiaomi Redmi 9T vs Samsung Galaxy S21 FE 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 18, 2021 January 7, 2022
Release Year 2021 2022

Physical

Volume 120.44 cm³ 91.64 cm³
Screen Size to Weight Ratio 3.3 "/g 3.62 "/g
Weight 198 g 177 g
Height 162.3 mm 155.7 mm
Width 77.3 mm 74.5 mm
Thickness 9.6 mm 7.9 mm
Foldable Design No No
Available Colors
  • Carbon Gray
  • Ocean Green
  • Sunrise Orange
  • Twilight Blue
  • White
  • Graphite
  • Lavender
  • Olive

Display

Screen Size 6.53 " 6.4 "
Resolution 1080 x 2340 1080 x 2340
Aspect Ratio 19.5:9 19.5:9
Screen-to-Body Ratio 83.4 % 86.7 %
Pixel Density 395 PPI 403 PPI
Refresh Rate N/A 120 Hz
Typical Brightness 400 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 140.71 mAh/in² 109.86 mAh/in²
Battery Density 49.82 mAh/cm³ 49.11 mAh/cm³
Battery Capacity 6000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM6115 Snapdragon 662 (11 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - Version 1
GPU Adreno 610 Adreno 660 - Version 1

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 12
Maximum OS Version 16

Comparison Summary

Smartphone Comparison: Xiaomi Redmi 9T vs. Samsung Galaxy S21 FE 5G

1. Specifications Comparison

FeatureXiaomi Redmi 9TSamsung Galaxy S21 FE 5GPractical Impact
Design
Dimensions162.3 × 77.3 × 9.6 mm155.7 × 74.5 × 7.9 mmRedmi 9T is larger and thicker, less comfortable in hand. S21 FE 5G is more pocketable.
Weight198g177gS21 FE 5G is noticeably lighter, better for extended use.
Display
Size6.53"6.4"Redmi 9T has a slightly larger screen, but difference is minimal.
Resolution1080x23401080x2340Both have the same sharpness.
PPI395403Virtually identical pixel density, equally sharp.
TechnologyIPS LCDAMOLEDS21 FE 5G has superior contrast, deeper blacks, and more vibrant colors. Better for viewing media.
Refresh Rate60Hz120HzS21 FE 5G offers much smoother scrolling and animations, enhancing user experience.
Brightness0 nits1300 nitsS21 FE 5G has dramatically better outdoor visibility in bright sunlight.
Performance
ChipsetQualcomm Snapdragon 662 (11 nm)Qualcomm Snapdragon 888 5G (5 nm)S21 FE 5G is significantly faster, smoother for gaming, and multitasking, and more future-proof.
AnTuTu Score174,500923,836S21 FE 5G has drastically better benchmark performance, reflecting faster real-world usage.
GPUAdreno 610Adreno 660S21 FE 5G has a much more powerful GPU for gaming and graphics-intensive tasks.
Camera
Main Camera Resolution48MP12MPRedmi 9T has a higher megapixel count but may not always translate to better image quality.
Main Camera Aperturef/1.79f/1.8Redmi 9T has a slightly wider aperture which might be better in low light.
Main Camera Sensor Size1/2"1/1.76"S21 FE 5G has a larger sensor, typically resulting in better low-light performance and dynamic range.
Telephoto LensNone8MPS21 FE 5G has a dedicated zoom lens for better portrait photos.
Selfie Camera Resolution8MP32MPS21 FE 5G has a much higher resolution front-facing camera, ideal for detailed selfies.
Wide Angle Lens8MP13MP (combined with Macro)Redmi 9T has a dedicated wide-angle lens. S21 FE 5G combines wide-angle and macro into one lens, but it may be better quality.
Macro Lens2MPNoneRedmi 9T has a low resolution macro camera for close up shots.
Video Recording1080p@30fpsUp to 4K@60fps with HDR, EISS21 FE 5G offers significantly higher quality video with better stabilization and frame rate.
DXOMark ScoreNot AvailableMain: 117, Selfie: 127S21 FE 5G has received high DXOMark scores, indicating better overall camera performance.
Battery
Capacity6000mAh4500mAhRedmi 9T has a significantly larger battery, potentially lasting longer. Actual endurance depends on usage.
Charging18W Fast Charging25W Fast ChargingS21 FE 5G charges faster, reducing downtime.
Charging Features22.5W Charger inbox, Reverse ChargingWireless Charging, Reverse Wireless Charging, No charger in-boxS21 FE 5G has more charging flexibility with wireless charging. Redmi 9T has the advantage of including a charger.
Software
OSAndroid 10Android 12 (upgradable to 16)S21 FE 5G has a newer OS and will receive more updates, ensuring better long-term support.
Connectivity
Wi-Fi802.11acWi-Fi 6 (802.11ax)S21 FE 5G supports a newer Wi-Fi standard, offering faster speeds and better reliability.
Bluetooth5.05.0S21 FE 5G offers more comprehensive Bluetooth profiles, likely better compatibility with devices.
Storage & Memory
Internal Storage64/128 GB128/256 GBS21 FE 5G offers more storage options.
RAM4/6 GB6/8 GBS21 FE 5G has more RAM for smoother multitasking and better performance with demanding applications.
Expandable StorageNoNoNeither phone offers expandable storage.
Audio
Audio QualityHi-Res Audio, Stereo SpeakersDolby Atmos, Stereo Speakers, Noise Cancellation MicS21 FE 5G offers more immersive and clear audio experience for media consumption and calls.
Security
Fingerprint SensorSide-MountedBasicRedmi 9T features more advanced side mounted fingerprint sensor
Build Quality
Screen ProtectionGorilla Glass 3Gorilla Glass VictusS21 FE 5G has the latest and best Gorilla Glass for superior screen protection.
Sensors
SensorsAccelerometer, Compass, Ultrasonic ProximityAccelerometer, Compass, Gyroscope, Barometer, ProximityS21 FE 5G has more sensors, more features for advanced use.

2. Key Differences Analysis

Xiaomi Redmi 9T Advantages:

  • Larger Battery: The 6000mAh battery offers potentially longer battery life, beneficial for heavy users who don't have access to frequent charging.
  • Included Charger: Comes with a 22.5W charger in the box.
  • Dedicated Wide Angle and Macro: Although quality may not be the best, having dedicated macro and wide angle sensors is a plus for those who use them.

Samsung Galaxy S21 FE 5G Advantages:

  • Superior Display: AMOLED screen with 120Hz refresh rate and high brightness offers a much better visual experience with smoother animations, vibrant colors, and better outdoor visibility.
  • Significantly Better Performance: The Snapdragon 888 chipset provides a far faster, smoother and more responsive experience for all tasks including gaming and multitasking.
  • Better Camera System: Superior image quality, with a telephoto lens for zooming, and higher video recording quality, makes it a more versatile option for photography enthusiasts.
  • Faster Charging & Wireless Charging: 25W fast charging reduces charging times, and wireless charging adds more convenience.
  • Newer Software: Runs on Android 12 with more future updates, giving it a longer support lifecycle.
  • Premium Build & Protection: Gorilla Glass Victus offers superior screen protection and a more premium feel.
  • Enhanced Audio: Dolby Atmos and noise cancellation microphone offer better media and call audio quality.
  • Comprehensive Sensor Suite: Has Gyroscope and Barometer sensors for gaming and fitness tracking

Trade-offs:

  • Battery Life vs. Performance & Display: The Redmi 9T prioritizes battery life, while the S21 FE 5G focuses on performance and display quality.
  • Camera Versatility vs. Image Quality: The Redmi 9T offers a Quad camera with dedicated macro and wide angle lenses, while the S21 FE 5G offers higher quality images with a versatile triple camera and dedicated zoom.

3. User Profiles & Recommendations

Xiaomi Redmi 9T Ideal User:

  • Budget-Conscious Users: Users seeking a long-lasting battery and standard smartphone functions without breaking the bank.
  • Users Focused on Battery Life: Those who prioritize battery life and extended usage without frequent charging.
  • Basic Smartphone Users: Users who primarily browse, use social media, and don't require high performance or advanced camera capabilities.
  • Users who want a charger in the box.

Use Cases:

  • Long days without access to a charger.
  • Basic everyday tasks.
  • Media consumption with good battery life.

Samsung Galaxy S21 FE 5G Ideal User:

  • Performance Enthusiasts: Users who prioritize speed, responsiveness, and smooth multitasking.
  • Multimedia Lovers: Users who watch a lot of videos and play graphically demanding games, valuing a high-quality screen.
  • Photography Enthusiasts: Users who want a versatile and capable camera for various types of photography and video recording.
  • Users desiring a premium experience Willing to pay more for a better screen, camera, and build quality.

Use Cases:

  • High-performance gaming and demanding apps.
  • Capturing high-quality photos and videos.
  • Enjoying media on a vibrant and smooth display.
  • Users who want cutting-edge technology and longer software support.

Price-to-Value:

  • The Redmi 9T offers excellent value for basic use, prioritizing long battery life at a lower price point.
  • The S21 FE 5G is a better option if performance, camera, and screen quality are priorities, and a higher price is acceptable.

4. Decision Framework

Key Questions for Buyers:

  1. What is my primary use case? (e.g., heavy gaming, basic daily use, media consumption)
  2. What is my budget? (The S21 FE 5G will likely cost more than the Redmi 9T)
  3. What features are most important to me? (e.g., battery life, screen quality, camera performance, software support)

Scenario-Based Recommendations:

  • Scenario 1: Budget-Conscious, Long Battery Life Needed: Choose the Xiaomi Redmi 9T if you need a smartphone for basic use and prioritize long battery life over performance.

  • Scenario 2: High Performance & Camera Matters: Choose the Samsung Galaxy S21 FE 5G if you want a smooth and powerful phone with a great camera and superior display quality.

  • Scenario 3: Balanced Needs with a Good Display: Choose the Samsung Galaxy S21 FE 5G for a balance of performance, good screen, and good camera for a premium experience.

My Choice:

If I were choosing between these two phones, I would choose the Samsung Galaxy S21 FE 5G.

Reasoning:

While the Xiaomi Redmi 9T has a larger battery and an included charger, the overall experience of the Samsung Galaxy S21 FE 5G is significantly superior in several key areas that I value more:

  • Superior Display: As someone who consumes a lot of media, the vibrant AMOLED screen with a 120Hz refresh rate makes a huge difference in visual quality and smoothness.
  • Better Performance: The Snapdragon 888 processor offers a much more fluid and responsive experience, which I appreciate for everyday tasks and occasional gaming.
  • Better Camera System: I appreciate having an optical zoom lens, higher resolution selfie camera, and better video recording quality.
  • Software Support: Longer software updates ensures I get the latest features and security improvements.

The faster charging and wireless charging options also add to the convenience and premium feel of the S21 FE 5G. Although I'd miss the included charger in the box, the overall package of the S21 FE 5G is more appealing for my needs.

While the Redmi 9T would be a good fit for those solely focused on battery life or on a very tight budget, the S21 FE 5G offers a much more compelling and well-rounded smartphone experience, justifying its higher price point.

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.