Samsung Galaxy S21 FE 5G vs Xiaomi Redmi 12 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 7, 2022 August 4, 2023
Release Year 2022 2023

Physical

Volume 91.64 cm³ 105.49 cm³
Screen Size to Weight Ratio 3.62 "/g 3.41 "/g
Weight 177 g 199 g
Height 155.7 mm 168.6 mm
Width 74.5 mm 76.3 mm
Thickness 7.9 mm 8.2 mm
Foldable Design No No
Available Colors
  • White
  • Graphite
  • Lavender
  • Olive
  • Moonstone Silver
  • Jade Black
  • Pastel Blue

Display

Screen Size 6.4 " 6.79 "
Resolution 1080 x 2340 1080 x 2460
Aspect Ratio 19.5:9 21:9
Screen-to-Body Ratio 86.7 % 85.1 %
Pixel Density 403 PPI 396 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 550 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 109.86 mAh/in² 108.45 mAh/in²
Battery Density 49.11 mAh/cm³ 47.4 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1 Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - Version 1 Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU Adreno 660 - Version 1 Adreno 613

Connectivity

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

Software

Operating System Android Android
Initial OS Version 12 13
Maximum OS Version 16 14

Comparison Summary

Alright, let's dive deep into this head-to-head matchup between the Samsung Galaxy S21 FE 5G and the Xiaomi Redmi 12 5G. We've got two solid contenders here, but they're designed with slightly different priorities in mind. Let’s break it down.

1. Specifications Breakdown

Here's a detailed comparison table, translating the tech jargon into real-world implications:

FeatureSamsung Galaxy S21 FE 5GXiaomi Redmi 12 5GReal-World Implications
Design
Launch Date2022-01-072023-08-04Redmi 12 is newer, may have updated software support
Size155.7 x 74.5 x 7.9 mm168.6 x 76.3 x 8.2 mmS21 FE is more compact, better for single-hand use; Redmi 12 is larger, better for media consumption
Weight177g199gS21 FE is lighter, more comfortable to hold for long periods
BuildStandardStandardBoth are standard smartphones
Display
Size6.4"6.79"Redmi 12 has a larger screen, great for watching videos and games
Resolution1080x23401080x2460Similar sharpness, the difference is minor
PPI403396Very similar pixel density; both will look sharp
TechnologyAMOLEDIPS LCDS21 FE has superior contrast, colors, and power efficiency with an AMOLED display
Refresh Rate120Hz90HzS21 FE offers smoother scrolling and animations
Brightness1300 nits0 nitsS21 FE offers much better outdoor visibility
Performance
ChipsetSnapdragon 888 (5nm)Snapdragon 4 Gen 2 (4nm)S21 FE has a much more powerful chipset, meaning faster apps, smoother multi-tasking, and better gaming
AnTuTu Score923,836456,552S21 FE is significantly faster in benchmarks
GPUAdreno 660Adreno 613S21 FE is better for graphically intensive tasks
Camera
Main Camera12MP (f/1.8)50MP (f/1.8)Redmi 12 boasts higher megapixel count. S21 FE has a better sensor (Sony IMX555) and better software
Telephoto/Portrait8MP (f/2.0)NoneS21 FE has a dedicated zoom/portrait lens for more versatility
Wide Angle/Macro13MP (f/2.2)NoneS21 FE has a dedicated wide angle + Macro camera
Selfie Camera32MP (f/2.2)5MP (f/2.2)S21 FE has a superior front-facing camera for sharper, detailed selfies
Depth SensorNone2MP (f/2.4)Redmi 12 has a depth sensor to improve bokeh and other camera modes
VideoUp to 4K 60fps HDR1080p 30fpsS21 FE can record higher resolution and framerate video, allowing for better video quality and slow motion options
DxoMarkMobile:117 Selfie: 127Mobile: 63S21 FE significantly out performs the Redmi 12 in camera quality and capability
Features4K Video, Optical zoom, Triple CameraDual cameraS21 FE offers more features such as optical zoom
Battery
Capacity4500 mAh5000 mAhRedmi 12 has a larger battery, promising longer usage
Charging25W18WS21 FE has faster charging
Features15W Wireless charging, reverse charging, No chargerNon-removableS21 FE has more charging options
Software
OSAndroid 12 (up to 16)Android 13 (up to 14)Redmi 12 ships with a newer version of Android, but the Samsung will be updated more
Connectivity
Wi-FiWi-Fi 6Wi-Fi 5S21 FE has a newer Wi-Fi standard, offering better speeds
BluetoothBluetooth 5.0Bluetooth 5.0Both have Bluetooth 5.0
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, BeidouS21 FE has more accurate GPS
SIMDual SIMDual SIMBoth support Dual SIM
Storage
Internal128/256GB128/256GBBoth offer similar storage options
RAM6/8GB4/6/8GBBoth offer similar ram options
ExpandableNoNoNeither phone has expandable storage
Audio
QualityDolby Atmos, Stereo speakers, noise cancelationBasic Audio featuresS21 FE offers a better audio experience
Security
FingerprintIn-DisplaySide-mountedXiaomi is more advanced
Build Quality
Screen ProtectionGorilla Glass VictusGorilla Glass 3S21 FE has better scratch and shatter resistance
Sensors
SensorsBiometric: Fingerprint; Proximity: Proximity; Motion: Accelerometer, Compass, Gyroscope; Environmental: BarometerBiometric: Fingerprint; Motion: Accelerometer, Compass; Proximity: Ultrasonic proximity virtualS21 FE provides a greater quantity of higher-quality sensors

2. Key Insights

  • Samsung Galaxy S21 FE 5G: This phone is a performance powerhouse, boasting a flagship-level Snapdragon 888 chipset. It’s designed for users who demand top-tier performance, a superior display, and a versatile camera setup. The AMOLED display with a 120Hz refresh rate provides a premium viewing experience, while its robust set of cameras excels in various scenarios. The inclusion of wireless charging and reverse charging adds to its appeal as a feature-rich device.
  • Xiaomi Redmi 12 5G: This phone prioritizes a large screen and long battery life. Its Snapdragon 4 Gen 2 is less powerful than the S21 FE but handles everyday tasks well, and its 5000 mAh battery should get you through a full day easily. The IPS LCD screen is serviceable but doesn't match the vibrant colors of the S21 FE. It is a solid budget-friendly phone with a focus on practicality and endurance.

3. User Profiles and Recommendations

  • Power Users (S21 FE 5G): If you're a gamer, content creator, or simply someone who needs a fast, reliable phone that can handle demanding tasks, the S21 FE is the way to go. Its superior display, flagship chipset, and versatile camera will make sure you get the very best.
  • Budget-Conscious Users (Redmi 12 5G): If your main priority is a large screen for media consumption and long battery life for everyday usage, the Redmi 12 is an excellent option. It provides a very good smartphone experience without breaking the bank.

4. Buying Decision Framework

Here are three key questions to help you choose:

  1. Do you prioritize performance or battery life? If you need maximum speed and a top-tier visual experience, choose the S21 FE. If you want to use your phone all day on a single charge, the Redmi 12 is the better option.
  2. Is display quality important to you? The S21 FE has a superior AMOLED display with vibrant colors and 120Hz refresh rate, while the Redmi 12 uses an IPS LCD. If you value image quality, the S21 FE is the better option.
  3. Are camera capabilities crucial? The S21 FE has a significantly better camera array, with features like optical zoom, 4K HDR video capabilities and significantly better quality across the board. If your focus is photography, the S21 FE is the better option.

Scenario-Based Recommendations:

  • The Mobile Gamer: Go with the S21 FE. Its powerful processor and 120Hz display will make all the difference.
  • The Social Media Enthusiast: The S21 FE has the better front-facing camera with higher resolution, along with superior photo capabilities and video capture.
  • The Everyday User on a Budget: The Redmi 12 5G is your best bet. It covers all of the basics, and its large screen and long battery life will meet the needs of everyday use.
  • The Multimedia User: The S21 FE has the superior screen and audio quality, it has a very large and very vibrant AMOLED screen and high quality audio features such as Dolby Atmos and noise cancellation.
  • The Casual Photographer: The S21 FE is the better option, it boasts superior imaging capabilities across the board, and it has many features such as the optical zoom that are not present in the Redmi 12.

My Choice

If it were my money, I’d go with the Samsung Galaxy S21 FE 5G, no question. While the Redmi 12 5G is a decent budget phone, the S21 FE offers a truly superior user experience. The combination of its blazing-fast Snapdragon 888 chipset, the vibrant AMOLED display, versatile camera system, and higher-quality sensors makes it the clear winner for me. The S21 FE provides a significantly better experience for demanding tasks like gaming and video editing, and its superior camera means that the photos it takes are substantially higher quality. I'm willing to spend a little extra for a device that excels in every aspect. The better screen and audio quality are also major factors, as I tend to use my phone for media consumption quite often. For me, the S21 FE is the clear winner.

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.