Samsung Galaxy S21 Ultra 5G vs Realme 11 Pro+ - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 May 15, 2023
Release Year 2021 2023

Physical

Volume 111.09 cm³ 97.93 cm³
Screen Size to Weight Ratio 3 "/g 3.66 "/g
Weight 227 g 183 g
Height 165.1 mm 161.6 mm
Width 75.6 mm 73.9 mm
Thickness 8.9 mm 8.2 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Phantom Silver
  • Phantom Titanium
  • Phantom Navy
  • Phantom Brown
  • Navy
  • Astral Black
  • Sunrise Beige
  • Oasis Green

Display

Screen Size 6.8 " 6.7 "
Resolution 1440 x 3200 1080 x 2412
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.4 % 90.5 %
Pixel Density 515 PPI 394 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1500 nits 950 nits

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 111.38 mAh/in²
Battery Density 45.01 mAh/cm³ 51.06 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Mediatek Dimensity 7050 (6 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU Mali-G78 MP14 - International Mali-G68 MC4

Connectivity

USB Version 3.2 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version 15 15

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy S21 Ultra 5G and the Realme 11 Pro+, focusing on practical implications:

Design

FeatureSamsung Galaxy S21 Ultra 5GRealme 11 Pro+Practical Impact
Dimensions165.1 x 75.6 x 8.9 mm161.6 x 73.9 x 8.2 mmS21 Ultra is larger and thicker; Realme 11 Pro+ is more pocketable and easier to handle
Weight227g183gRealme 11 Pro+ is significantly lighter, better for long periods of holding.

Display

FeatureSamsung Galaxy S21 Ultra 5GRealme 11 Pro+Practical Impact
Size6.8"6.7"Very similar viewing area; negligible difference for most users.
Resolution1440x32001080x2412S21 Ultra offers noticeably sharper images and text. More detailed for viewing high-resolution content.
Pixel Density (PPI)515394S21 Ultra has significantly sharper, more detailed display, making text and images noticeably clearer.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks and excellent contrast.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness1500 nits950 nitsS21 Ultra offers much better visibility in bright sunlight, crucial for outdoor use.

Performance

FeatureSamsung Galaxy S21 Ultra 5GRealme 11 Pro+Practical Impact
ChipsetExynos 2100 (5 nm) - InternationalMediatek Dimensity 7050 (6 nm)S21 Ultra has a more powerful processor resulting in faster performance for demanding apps and games.
AnTuTu Score749,000540,800S21 Ultra offers faster app loading and smoother overall performance; noticeable difference in heavy use cases
GPUMali-G78 MP14 - InternationalMali-G68 MC4S21 Ultra's GPU is more powerful for high-end gaming and graphics-intensive tasks.

Battery

FeatureSamsung Galaxy S21 Ultra 5GRealme 11 Pro+Practical Impact
Capacity5000mAh5000mAhSimilar battery capacity implies comparable battery life under similar usage.
Charging25W100WRealme 11 Pro+ charges much faster, minimizing downtime.
FeaturesWireless charging, Reverse charging2x2500mAhS21 Ultra offers convenient wireless and reverse charging. Realme 11 Pro+ 2x2500mAh is to provide faster charging.

Camera

FeatureSamsung Galaxy S21 Ultra 5GRealme 11 Pro+Practical Impact
Main Camera108MP, f/1.8, 1/1.33" sensor200MP, f/1.69, 1/1.4" sensorRealme has a higher resolution sensor but slightly smaller and narrower aperture.
Telephoto + Portrait10.8MP, f/2.4, 1/2.65" sensorNoneS21 Ultra has a dedicated lens for zoomed in and portrait photos.
Selfie Camera44MP, f/2.2, 1/2.65" sensor32MP, f/2.45, 1/2.74" sensorS21 Ultra has better selfie camera performance with a wider aperture, more resolution, and a slightly larger sensor.
Telephoto Lens10.8MP, f/4.9, 1/2.65" sensorNoneS21 Ultra has a dedicated periscope lens for long distance zoom photos.
Wide Angle LensNone8MP, f/2.2, 1/2.8" sensorRealme offers a wide-angle perspective, better for landscape and group shots.
Macro LensNone2MP, f/2.3, 1/5" sensorRealme allows capturing detailed close-up shots.
Wide Angle + Macro Lens12.2MP, f/2.2, 1/2.55" sensorNoneS21 Ultra has a single ultrawide lens that can also be used for macro shots
Video8K@24fps, 4K@60fps, 1080p@240fps4K@30fps, 1080p@480fpsS21 Ultra offers higher video resolution, 8K recording provides professional-grade content creation capabilities. Realme 11 Pro+ 480 fps for slow-motion. Both are capable video recorders.
DxOMark ScoresMobile: 115, Selfie: 135Not AvailableS21 Ultra has very good camera performance according to DxOMark scores, with high ratings for both mobile and selfie camera. Realme 11 Pro+ does not have official testing data.
Camera Features8K Video, Optical zoom, Quadruple camera, Laser AF, RAWNoise reduction, Triple camera, Ultra stable videoS21 Ultra offers more advanced camera features, including 8K, while Realme offers features that enhance video stability and has a wider aperture.

2. Key Differences Analysis

Samsung Galaxy S21 Ultra 5G Advantages:

  • Superior Display: Higher resolution and brightness result in sharper images and better outdoor visibility.
  • More Powerful Performance: The Exynos 2100 offers better performance for demanding tasks, gaming and better app loading and smooth operations.
  • Advanced Camera System: Features two telephoto lenses, 8K video recording, and a generally versatile camera system with high DxOMark score.
  • Wireless and Reverse Charging: Offers more convenient charging options.
  • Better build quality: Features Gorilla Glass Victus for better screen protection
  • More Sensors: Includes compass and barometer in addition to the common sensors

Realme 11 Pro+ Advantages:

  • Faster Charging: 100W charging significantly reduces charging time.
  • Lighter and More Compact: Easier to handle and more portable for extended periods of use.
  • Higher Main Camera Resolution: 200MP main sensor allows detailed photos although the pixel size is smaller.
  • Wide Angle and Macro Lens: Allows for more creative photography options.
  • Newer Android Version: Comes with Android 13, though both are upgradeable to 15
  • More Storage Option: Offers 1TB internal storage.

Trade-offs:

  • S21 Ultra: Heavier, larger, and slower charging.
  • Realme 11 Pro+: Lower display resolution, brightness, and less powerful chipset and less versatile camera system without a telephoto lens.

3. User Profiles & Recommendations

Samsung Galaxy S21 Ultra 5G Ideal Users:

  • Power users: Those who demand top-tier performance for gaming, multitasking, and demanding apps.
  • Photography enthusiasts: Users who value a versatile camera system with excellent zoom capabilities and professional-grade video recording.
  • Outdoor users: Individuals who need a bright display for use in sunny conditions.
  • Users who prefer a premium experience: Appreciate top-tier performance, premium build quality, and features like wireless charging.

  • Specific Use Cases: Professional photographers/videographers, heavy mobile gamers, frequent travelers requiring reliable GPS and connectivity, users needing a bright screen for outdoor work.

Realme 11 Pro+ Ideal Users:

  • Users prioritizing battery and charging: Those who need fast charging to minimize downtime.
  • Users seeking a lightweight and portable device: Those who value comfort and ease of handling.
  • Social Media content creators: Users who need a device with good social media content creating and sharing, wide-angle shots and macro photography capabilities.
  • Value-conscious buyers: Those who seek a balance of features and price.

  • Specific Use Cases: Daily commuters, social media enthusiasts, users who need a reliable device with a large storage option.

Price-to-Value Ratio:

  • Samsung Galaxy S21 Ultra 5G: Priced higher due to its premium features and build quality.
  • Realme 11 Pro+: Offers good value for its price with fast charging and a large storage option.

4. Decision Framework

Key Questions for Buyers:

  1. What is your priority for display quality and outdoor visibility?
  2. How important is processing power for your daily tasks and gaming?
  3. What are your main photography needs (zoom, wide-angle, low light, etc.)?

Scenario-Based Recommendations:

  • Scenario 1 (Professional Photographer): If your main use case is photography, videography with high zoom capability, and a bright display, the Samsung Galaxy S21 Ultra 5G is the better choice.
  • Scenario 2 (Frequent Traveler/Student): If you need a lightweight phone with a big storage for daily use with a good battery, then Realme 11 Pro+ would be a great option.
  • Scenario 3 (Casual User): If you prioritize fast charging, a lower weight and budget and want decent camera capabilities, the Realme 11 Pro+ is a solid option.

My Choice

If I had to choose between these two phones, I would pick the Samsung Galaxy S21 Ultra 5G. While the Realme 11 Pro+ offers a more modern design and much faster charging, my personal preference leans towards the superior display quality, more powerful processing capabilities, and versatile camera system of the S21 Ultra. I value the higher resolution, brightness and performance for a more premium experience. The telephoto lens and high zoom capabilities along with 8k video recording capability is very valuable to me. The slightly heavier weight and slower charging are trade-offs I would be willing to make for the superior performance and camera quality the Samsung offers. While not as new and modern, the Galaxy S21 Ultra has very good features that I prioritize more than the benefits offered by the Realme 11 Pro+.

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.

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  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.