Samsung Galaxy Note20 Ultra 5G vs Xiaomi Redmi Note 9T - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 21, 2020 January 18, 2021
Release Year 2020 2021

Physical

Volume 103.05 cm³ 113.39 cm³
Screen Size to Weight Ratio 3.32 "/g 3.28 "/g
Weight 208 g 199 g
Height 164.8 mm 161.2 mm
Width 77.2 mm 77.3 mm
Thickness 8.1 mm 9.1 mm
Foldable Design No No
Available Colors
  • Mystic Bronze
  • Mystic Black
  • Mystic White
  • Nightfall Black
  • Daybreak Purple

Display

Screen Size 6.9 " 6.53 "
Resolution 1440 x 3088 1080 x 2340
Aspect Ratio 19.5:9 19.5:9
Screen-to-Body Ratio 92.5 % 84 %
Pixel Density 496 PPI 395 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 450 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 94.52 mAh/in² 117.26 mAh/in²
Battery Density 43.67 mAh/cm³ 44.09 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 990 (7 nm+) - Global Mediatek Dimensity 800U (7 nm)
CPU Octa-core (2x2.73 GHz Mongoose M5 & 2x2.50 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) - Global Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G77 MP11 - Global Mali-G57 MC3

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 10 10
Maximum OS Version 13

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy Note20 Ultra 5GXiaomi Redmi Note 9TPractical Impact
Design
Dimensions164.8 × 77.2 × 8.1 mm161.2 × 77.3 × 9.1 mmNote20 Ultra is taller and thinner, while Note 9T is thicker. Note 9T has larger overall volume.
Weight208g199gNote 9T is slightly lighter, which might be noticeable during extended use.
Build QualityCorning Gorilla Glass Victus (screen)Corning Gorilla Glass 5 (screen)Note20 Ultra has superior screen protection against scratches and drops.
Display
Size6.9"6.53"Note20 Ultra provides a larger viewing area, better for multitasking and media consumption.
Resolution1440x30881080x2340Note20 Ultra offers significantly sharper and more detailed visuals.
PPI496395Note20 Ultra provides a noticeably sharper display.
TechnologyAMOLEDIPS LCDNote20 Ultra delivers deeper blacks, better contrast, more vibrant colors, and improved power efficiency.
Refresh Rate120Hz60HzNote20 Ultra provides smoother scrolling, animations, and gaming experiences.
Brightness1500 nits0 nitsNote20 Ultra offers dramatically better outdoor visibility in bright sunlight. Note: Redmi Note 9T brightness is missing.
Performance
ChipsetExynos 990 (7 nm+)Mediatek Dimensity 800U (7 nm)Note20 Ultra provides significantly faster app loading, smoother multitasking, and better gaming performance.
AnTuTu Score666,551343,150Note20 Ultra offers a much faster and more responsive user experience.
GPUMali-G77 MP11Mali-G57 MC3Note20 Ultra delivers superior graphics performance for gaming and graphically intensive applications.
Camera
Main Camera108MP, f/1.8, 1/1.33"48MP, f/1.79, 1/2"Note20 Ultra captures significantly more detailed and higher-quality images, especially in good lighting.
Telephoto Lens13MP, f/3.0, 1/3.4"N/ANote20 Ultra allows for optical zoom, enabling detailed close-ups without digital distortion.
Wide Angle Lens12.2MP, f/2.2, 1/7.6"N/ANote20 Ultra allows for capturing expansive landscapes and group photos.
Selfie Camera10MP, f/2.2, 1/3.2"13MP, f/2.25, 1/3.1"Both capture good selfies, but differences may be subtle depending on lighting conditions.
VideoUp to 8K@24fpsUp to 4K@30fpsNote20 Ultra allows for professional-grade video recording with higher resolution and more detail.
Battery
Capacity4500mAh5000mAhNote 9T likely offers better battery endurance, potentially lasting longer between charges.
Charging45W Fast Charging18W Fast ChargingNote20 Ultra charges significantly faster, reducing downtime.
Wireless ChargingYesNoNote20 Ultra offers convenient wireless charging capabilities.
Software
OSAndroid 10, upgradable to 13Android 10Note20 Ultra will likely receive software updates for a longer period.
Storage
Internal128/256/512GB64/128GBNote20 Ultra offers significantly more storage space for apps, photos, videos, and other files.
RAM8/12GB4GBNote20 Ultra provides smoother multitasking and handles demanding apps and games more efficiently.
ExpandableNoNoNeither phone allows for expanding storage via microSD card.
Security
Fingerprint SensorBasic Fingerprint SensorSide-mounted Fingerprint SensorNote 9T fingerprint sensor is generally faster and more convenient to access.

2. Key Differences Analysis

Samsung Galaxy Note20 Ultra 5G Advantages:

  • Superior Display: Larger, higher resolution AMOLED with 120Hz refresh rate offers a significantly better viewing experience.
  • Significantly Higher Performance: The Exynos 990 chipset offers much better performance than the Dimensity 800U, resulting in faster app loading, smoother multitasking, and better gaming.
  • Advanced Camera System: Includes a higher-resolution main sensor, telephoto lens (optical zoom), wide-angle lens, and 8K video recording capabilities for more versatile and higher-quality photography and videography.
  • Faster Charging & Wireless Charging: Supports 45W fast charging and wireless charging, offering faster and more convenient charging options.
  • eSIM Support: Offers eSIM functionality for easier carrier switching.

Practical Implications:

  • The Note20 Ultra is ideal for users who prioritize display quality, performance, and camera capabilities. It's better for demanding tasks like gaming, video editing, and professional photography.

Xiaomi Redmi Note 9T Advantages:

  • Larger Battery: Offers a slightly larger battery capacity, potentially providing longer battery life.
  • Side-Mounted Fingerprint Sensor: More convenient and potentially faster fingerprint unlocking.
  • Lower Price: Generally much more affordable, providing better value for budget-conscious users.
  • Stereo Speakers: Provides a more immersive audio experience compared to single speaker setups.

Practical Implications:

  • The Redmi Note 9T is a good option for users who prioritize battery life, affordability, and a convenient fingerprint sensor. It's suitable for everyday tasks like browsing, social media, and casual gaming.

Significant Trade-offs:

  • Note20 Ultra: Higher price point.
  • Redmi Note 9T: Significantly lower performance, display quality, and camera capabilities compared to the Note20 Ultra.

3. User Profiles & Recommendations

Samsung Galaxy Note20 Ultra 5G:

  • Ideal User: Professionals, content creators, power users, and anyone who values a premium experience with top-tier performance, display quality, and camera capabilities.
  • Use Cases:
    • Professional photography and videography.
    • Gaming and demanding mobile applications.
    • Multitasking with numerous apps open simultaneously.
    • Media consumption (watching videos, browsing photos) on a large, high-quality display.

Xiaomi Redmi Note 9T:

  • Ideal User: Budget-conscious users, students, and anyone who needs a reliable smartphone for everyday tasks.
  • Use Cases:
    • Basic communication (calls, texts, emails).
    • Social media browsing.
    • Casual gaming.
    • Media consumption on a smaller scale.
    • Users who prioritize longer battery life.

4. Decision Framework

Key Questions to Consider:

  1. What is your budget? The price difference between these phones is significant.
  2. What are your primary use cases? Do you need a powerful phone for demanding tasks, or just a reliable device for everyday use?
  3. How important are display quality and camera capabilities to you? If these are high priorities, the Note20 Ultra is the clear choice.

Scenario-Based Recommendations:

  • Scenario 1: Limited Budget: If you have a tight budget, the Redmi Note 9T is the more sensible choice.
  • Scenario 2: Performance & Display are Key: If you prioritize performance, display quality, and camera capabilities, the Note20 Ultra is the better investment.
  • Scenario 3: Battery Life is Paramount: If battery life is the most important factor, the Redmi Note 9T might be preferable despite its other compromises.

Personal Choice

If I were choosing between these two phones, I would pick the Samsung Galaxy Note20 Ultra 5G. While it's significantly more expensive, the overall user experience is vastly superior.

Here's why:

  • Display: The 120Hz AMOLED display is a game-changer for everyday use. It makes everything from scrolling through social media to watching videos much more enjoyable. The higher resolution and brightness are also significant advantages.
  • Performance: The Exynos 990 chipset offers significantly better performance, which is noticeable in app loading times, multitasking, and gaming. I value a smooth and responsive user experience.
  • Camera: The camera system on the Note20 Ultra is much more versatile, with its high-resolution sensor, telephoto lens, and wide-angle lens. The ability to record 8K video is also a plus.
  • Overall Premium Experience: The Note20 Ultra simply feels like a more premium device, from its design to its features.

While the Redmi Note 9T offers better battery life and is more affordable, the sacrifices in display quality, performance, and camera capabilities are too significant for me. I'm willing to pay more for a phone that delivers a better overall experience.

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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Bridging technical complexity with engaging, accessible narratives.