Samsung Galaxy S21 FE 5G vs Realme C31 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C31
Realme C31
Realme

General

Launch Date January 7, 2022 March 31, 2022
Release Year 2022 2022

Physical

Volume 91.64 cm³ 105.28 cm³
Screen Size to Weight Ratio 3.62 "/g 3.3 "/g
Weight 177 g 197 g
Height 155.7 mm 164.7 mm
Width 74.5 mm 76.1 mm
Thickness 7.9 mm 8.4 mm
Foldable Design No No
Available Colors
  • White
  • Graphite
  • Lavender
  • Olive
  • Light Silver
  • Dark Green

Display

Screen Size 6.4 " 6.5 "
Resolution 1080 x 2340 720 x 1600
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 86.7 % 81.4 %
Pixel Density 403 PPI 270 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 109.86 mAh/in² 118.34 mAh/in²
Battery Density 49.11 mAh/cm³ 47.49 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1 Unisoc Tiger T612 (12 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - Version 1 Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Adreno 660 - Version 1 Mali-G57

Connectivity

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

Software

Operating System Android Android
Initial OS Version 12 11
Maximum OS Version 16

Comparison Summary

Okay, let's dive into a detailed comparison between the Samsung Galaxy S21 FE 5G and the Realme C31. I'll break down the specs and paint a picture of what these differences mean for you, the user.

1. Specifications Breakdown

Here's a detailed table comparing the key technical specs, focusing on their real-world implications:

FeatureSamsung Galaxy S21 FE 5GRealme C31Real-World Implications
Design
Size155.7 x 74.5 x 7.9 mm164.7 x 76.1 x 8.4 mmS21 FE 5G is more compact and pocketable; C31 is larger and may feel bulkier.
Weight177g197gS21 FE 5G is significantly lighter, making it more comfortable for prolonged use.
Build QualityCorning Gorilla Glass Victus frontUnknownS21 FE 5G has superior scratch and drop protection; Realme C31 lacks details on screen protection.
Display
Size6.4 inches6.5 inchesNegligible difference in size, both offer a good canvas for media consumption.
Resolution1080 x 2340720 x 1600S21 FE 5G is significantly sharper, providing crisp text and images.
Pixel Density (PPI)403270S21 FE 5G has noticeably better detail and clarity.
TechnologyAMOLEDIPS LCDS21 FE 5G provides more vibrant colors, deeper blacks, and better power efficiency, especially in dark mode.
Refresh Rate120Hz60HzS21 FE 5G offers significantly smoother scrolling and animations, leading to a more fluid user experience.
Brightness1300 nits0 nitsS21 FE 5G is exceptionally brighter, making it clearly visible even under direct sunlight. Realme C31 has unknown brightness.
Performance
ChipsetQualcomm Snapdragon 888 (5nm)Unisoc Tiger T612 (12nm)S21 FE 5G is considerably more powerful, handling demanding tasks and gaming with ease.
AnTuTu Score923,836224,223S21 FE 5G is significantly faster in benchmarks, indicating better real-world performance.
GPUAdreno 660Mali-G57S21 FE 5G offers a superior graphics performance, excelling in gaming and graphics-intensive apps.
Camera
Main Camera12MP, f/1.8, OIS13MP, f/2.2S21 FE 5G excels in low-light performance and image stabilization due to its wider aperture and OIS.
Telephoto + Portrait8MP, f/2.0NoneS21 FE 5G has a dedicated zoom lens, allowing for better optical zoom and portrait photos.
Wide Angle + Macro13MP, f/2.2NoneS21 FE 5G captures more in your frame, and can also take close-up macro images.
Macro LensNone2MP, f/2.4Realme C31 provides a basic macro lens for close-up details.
Black & WhiteNone2MP, f/2.8Realme C31 provides a dedicated black and white sensor for monochrome shots.
Selfie Camera32MP, f/2.25MP, f/2.2S21 FE 5G captures significantly higher resolution selfies with better detail.
VideoUp to 4K@60fps, EIS, HDR1080p@30fpsS21 FE 5G records much higher-quality videos, with more stable recording.
Battery Life
Capacity4500mAh5000mAhRealme C31 likely offers longer battery life due to larger capacity, though this will depend on usage and optimization.
Charging25W Fast Charging10W Fast ChargingS21 FE 5G charges considerably faster, meaning less time plugged in.
Wireless ChargingYes, 15WNoS21 FE 5G offers wireless charging for added convenience.
Reverse ChargingYesNoS21 FE 5G can charge other devices wirelessly for emergencies.
Software & Connectivity
OSAndroid 12 (up to 16)Android 11S21 FE 5G has a newer operating system with more up-to-date features and better security.
Wi-FiWi-Fi 6, Dual-band802.11nS21 FE 5G is future-proof with newer standards, offering much faster Wi-Fi speeds, better performance in congested areas.
Bluetooth5.0, LE, aptX5.0, LE, EDRS21 FE 5G has additional features for high-quality audio and device pairing, while Realme C31 includes Enhanced Data Rate for slightly better data transmission speed.
Storage
Internal128GB or 256 GB32 GB or 64 GBS21 FE 5G has much larger storage, offering more space for apps, photos, and videos.
RAM6GB or 8GB3GB or 4GBS21 FE 5G offers better multitasking with more RAM.
ExpandableNoNoNeither phone supports microSD card expansion, so choose carefully based on storage needs.
Audio
Audio QualityDolby Atmos, Stereo SpeakersBasic audioS21 FE 5G offers a significantly superior audio experience with clearer, more immersive sound.
SecurityBasic fingerprint sensorSide-mounted fingerprint sensorRealme C31 features a more convenient side-mounted fingerprint sensor for easy access.

2. Key Insights

Samsung Galaxy S21 FE 5G Strengths:

  • Superior Display: AMOLED, higher resolution, 120Hz refresh rate, and extremely high brightness, making it excellent for media consumption and outdoor use.
  • Powerful Performance: The Snapdragon 888 chipset provides flagship-level performance, handling demanding tasks with ease.
  • Advanced Camera System: Versatile camera setup with dedicated zoom and wide-angle lenses, excellent low-light performance, and high-quality video capabilities.
  • Faster Charging and Wireless Charging: Includes 25W fast charging and 15W wireless charging, plus reverse wireless charging.
  • Enhanced Audio: Features Dolby Atmos and stereo speakers for a rich audio experience.
  • Software and Connectivity: Runs on Android 12 (upgradeable to 16), plus the latest in Wi-Fi and Bluetooth tech.
  • Build Quality: Corning Gorilla Glass Victus provides extra durability and scratch resistance.

Realme C31 Strengths:

  • Longer Battery Life: Potentially longer battery life with its 5000mAh battery, albeit this depends on the type of usage.
  • Basic Functionality: Adequate for basic tasks like browsing, social media, and casual gaming.
  • More Convenient Fingerprint Sensor: Offers a side-mounted fingerprint sensor.
  • Expandable Storage: Option for a macro and black & white lens.
  • Affordable Price Point: A strong point for budget conscious buyers.

Trade-offs:

  • S21 FE 5G: More expensive, lacks expandable storage, no in-box charger, only side mounted fingerprint scanner and a smaller battery.
  • Realme C31: Low-resolution screen, weaker performance, and a more basic camera setup.

3. User Profiles and Recommendations

Samsung Galaxy S21 FE 5G is ideal for:

  • Power Users: Those who need a phone that can handle demanding apps, games, and multitasking.
  • Media Enthusiasts: Those who value a high-quality display for watching videos and browsing photos.
  • Photography Lovers: Those who want a versatile camera with good low-light performance and advanced features.
  • Tech Enthusiasts: Those who want the latest software and connectivity features, along with a premium feel.

Realme C31 is ideal for:

  • Budget-Conscious Users: Those who want a basic smartphone without breaking the bank.
  • Casual Users: Those who need a phone for everyday tasks, social media, and light use.
  • Long Battery Life Seekers: Those who prioritize battery life over performance and other premium features.

4. Buying Decision Framework

Here are three practical questions to guide your decision:

  1. How important is display quality and performance to you?
    • If you want a great screen and smooth performance, the S21 FE 5G is the clear winner. If not, the C31 will be suitable for basic tasks.
  2. What is your budget?
    • If you're on a strict budget, the C31 offers an affordable entry-level smartphone experience. The S21 FE is considerably more expensive but offers better value for your money.
  3. How much do you value camera quality and features?
    • If you want a versatile camera with zoom capabilities and great low-light performance, the S21 FE 5G is the right choice. If taking basic snapshots is your priority, the Realme C31 will do the job.

Scenario-Based Recommendations:

  • For a Student: If you need a device for research, entertainment, and photography without breaking the bank, the S21 FE 5G is a solid choice as it can handle all the tasks, and can play games to relax. If your budget is the main concern, the C31 could be considered for basic functionality.
  • For a Traveler: The S21 FE 5G is perfect thanks to its robust camera, high brightness screen and the ability to download movies and have great sound quality during your trip.
  • For a Casual User: The Realme C31 would be more than adequate for basic tasks if your priority is a long-lasting battery and low price point.

My Choice and Why:

If I were choosing between these two phones, I'd go with the Samsung Galaxy S21 FE 5G, without a second thought. While the Realme C31 certainly wins in the affordability category and has a larger battery, it falls short in almost every other aspect that I value in a smartphone. The S21 FE 5G’s superior display is a joy to use, the performance is snappy and responsive, and the camera system is incredibly versatile. As a content creator, I value these qualities the most. Also, features like wireless charging, faster charging speeds, enhanced audio, better connectivity, water resistance, and future proofness make the S21 FE a great investment.

Essentially, the S21 FE 5G isn't just a better phone; it's a more comprehensive and future-proof mobile experience that fits my needs and work style much better than the C31, even if I'll be paying a premium for the privilege. And, given the price drops the phone has seen since it's release, it's a bargain I'd happily take.

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.