Xiaomi Redmi Note 9T vs Sony Xperia 5 IV - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 18, 2021 September 22, 2022
Release Year 2021 2022

Physical

Volume 113.39 cm³ 85.71 cm³
Screen Size to Weight Ratio 3.28 "/g 3.55 "/g
Weight 199 g 172 g
Height 161.2 mm 156 mm
Width 77.3 mm 67 mm
Thickness 9.1 mm 8.2 mm
Foldable Design No No
Available Colors
  • Nightfall Black
  • Daybreak Purple
  • Black
  • Green
  • Ecru White

Display

Screen Size 6.53 " 6.1 "
Resolution 1080 x 2340 1080 x 2520
Aspect Ratio 19.5:9 21:9
Screen-to-Body Ratio 84 % 83.2 %
Pixel Density 395 PPI 449 PPI
Refresh Rate N/A 120 Hz
Typical Brightness 450 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 117.26 mAh/in² 134.37 mAh/in²
Battery Density 44.09 mAh/cm³ 58.34 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 800U (7 nm) Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU Mali-G57 MC3 Adreno 730

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 12
Maximum OS Version 13

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Xiaomi Redmi Note 9T and Sony Xperia 5 IV, focusing on practical user experience:

Design

FeatureXiaomi Redmi Note 9TSony Xperia 5 IVPractical Impact
Dimensions161.2 × 77.3 × 9.1 mm156 × 67 × 8.2 mmXiaomi is larger and bulkier; Sony is more compact and easier to handle one-handed.
Weight199g172gSony is significantly lighter, making it more comfortable for extended use.
BuildStandardStandardBoth are standard phone designs, not foldable.
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass VictusSony offers superior scratch and shatter resistance.

Display

FeatureXiaomi Redmi Note 9TSony Xperia 5 IVPractical Impact
Size6.53"6.1"Xiaomi has a larger screen, better for media consumption; Sony is more pocketable.
Resolution1080x23401080x2520Sony has a slightly sharper image due to higher pixel count.
PPI395449Sony has significantly sharper and clearer text and images due to higher pixel density.
TechnologyIPS LCDOLEDSony provides richer colors, deeper blacks, and better contrast compared to Xiaomi's LCD.
Refresh Rate60Hz120HzSony offers much smoother animations and scrolling, resulting in a more fluid user experience.
Brightness0 nits0 nitsBoth have the same peak brightness, but actual peak nits are unknown.

Performance

FeatureXiaomi Redmi Note 9TSony Xperia 5 IVPractical Impact
ChipsetMediatek Dimensity 800U (7 nm)Qualcomm Snapdragon 8 Gen 1 (4 nm)Sony offers a much faster and more efficient chip, handling demanding apps and games with ease.
AnTuTu Score343,1501,021,542Sony's performance is vastly superior, resulting in a smoother and faster user experience overall.
GPUMali-G57 MC3Adreno 730Sony's GPU is much more powerful, offering a superior gaming experience.
RAM4 GB8 GBSony's 8GB of RAM allows for smoother multitasking and faster app switching.

Camera

FeatureXiaomi Redmi Note 9TSony Xperia 5 IVPractical Impact
Main Camera48MP, f/1.79, 1/2" sensor12MP, f/1.7, 1/1.7" sensorSony's larger sensor and wider aperture capture more light, resulting in superior low-light performance, despite lower megapixel count.
Selfie Camera13MP, f/2.25, 1/3.1" sensor12MP, f/2.0, unkown sensorSony's wider aperture potentially results in brighter selfies in low light.
Telephoto LensNone12MP, f/2.4, 1/3.5" sensorSony offers optical zoom capabilities for detailed zoomed shots, Xiaomi doesn't.
Wide Angle LensNone12MP, f/2.2, 1/2.55" sensorSony can capture wider scenes, Xiaomi can't.
Portrait (Depth) Lens2MP, f/2.4, 1/5" sensorNoneXiaomi offers dedicated depth sensing for portrait mode, but quality may be lower than Sony's software implementation.
Macro Lens2MP, f/2.4, 1/5" sensorNoneXiaomi allows taking detailed close-up photos.
Video RecordingUp to 4K@30fpsUp to 4K@120fpsSony offers more versatile video recording with 4K at 120fps and HDR support, OIS/EIS. Xiaomi has no OIS or EIS.
DXOMARK ScoreNot Tested119 (Mobile)Sony has been objectively rated as having good camera capabilities

Battery

FeatureXiaomi Redmi Note 9TSony Xperia 5 IVPractical Impact
Capacity5000mAh5000mAhBoth have similar battery capacity, likely providing a full day of use.
Charging18W Fast Charging30W Fast ChargingSony charges faster, reducing downtime.
Features22.5W charger inboxBypass Charging, Reverse ChargingSony can charge other devices; Xiaomi includes a faster charger in the box.

2. Key Differences Analysis

Xiaomi Redmi Note 9T Advantages:

  • Larger Display: Better for media consumption and users who prefer bigger screens.
  • In-box Charger: Comes with a 22.5W charger in the box, which is convenient, although not as fast as the Sony.
  • Lower Cost: Usually more budget-friendly than the Sony Xperia 5 IV.
  • Dedicated Macro and Depth Sensors: Offers specific lenses for macro and portrait shots, even if quality might not be the best.

Sony Xperia 5 IV Advantages:

  • Superior Performance: Much faster processor and GPU for smoother multitasking and gaming.
  • Premium Display: Better colors, higher pixel density, and smoother refresh rate.
  • Better Camera System: Higher quality main sensor, telephoto, and ultrawide lenses, along with better video capabilities.
  • Faster Charging: 30W charging gets the phone back to full power faster.
  • Better Build and Protection: Includes Gorilla Glass Victus for screen protection.
  • eSIM Support: Provides more flexibility in choosing carriers.
  • Modern Software: Ships with a newer version of Android (12)
  • Better Audio: Dolby Atmos provides enhanced audio immersion

Significant Trade-offs:

  • Xiaomi: Larger size might be cumbersome for some. Lower resolution and less vibrant display. Slower overall performance and camera.
  • Sony: Smaller display might not suit all users. Higher cost can be a barrier.

3. User Profiles & Recommendations

Xiaomi Redmi Note 9T:

  • Ideal User: Budget-conscious users who prioritize a large screen for media consumption and don't need top-tier performance or camera quality.
  • Use Cases:
    • Casual social media browsing
    • Watching videos on YouTube or Netflix
    • Basic gaming
    • Users who value having a large display and a dedicated macro lens
  • Value Proposition: Provides decent specs at a lower price point.

Sony Xperia 5 IV:

  • Ideal User: Users who prioritize premium performance, a high-quality display, and an excellent camera system, even in a compact form factor.
  • Use Cases:
    • Mobile gaming
    • Photography and videography enthusiasts
    • Users who value a smooth and responsive user experience
    • Media consumers who like to enjoy quality videos
  • Value Proposition: Provides flagship-level performance and features, with focus on a high-quality overall experience.

4. Decision Framework

Here are 3 key questions potential buyers should consider:

  1. What is my budget? The price difference between these two phones is likely significant.
  2. Do I prioritize a large screen or a compact design? The Xiaomi offers a larger display, while the Sony is more pocketable.
  3. How important are top-tier performance and camera quality? The Sony excels in both these areas, while the Xiaomi is more basic.

Scenario-Based Recommendations:

  • Budget Shoppers: If your budget is limited and you need a larger display, the Xiaomi is a decent option.
  • Performance Seekers: If you need top-tier performance and a great camera, the Sony is the clear winner.
  • Casual Users: If you value battery life and don't need the best camera and gaming, either phone will serve your needs, but consider the Sony for its improved experience overall
  • Media Consumption: If you enjoy watching movies, the Sony will offer a better experience due to its OLED display, however the Xiaomi has a larger screen for more comfortable viewing.

What I would Choose and Why

I would choose the Sony Xperia 5 IV. While the Xiaomi Redmi Note 9T offers a larger screen and is budget-friendly, the Sony Xperia 5 IV delivers a superior overall user experience that aligns with my priorities. The significantly better performance, thanks to its Snapdragon 8 Gen 1 chipset and double the RAM, means smoother multitasking, faster app loading, and better gaming performance. The OLED display, with its higher pixel density and smoother refresh rate, is noticeably more vibrant and enjoyable for everyday use and media consumption.

Furthermore, the camera system on the Sony is superior, with better low-light performance, a telephoto lens for optical zoom, and a ultrawide lens for expanded creative capabilities. I am also interested in video recording capabilities, and the Sony's ability to record in 4K up to 120fps as well as its stabilization capabilities are a big win for me. Even though the Sony has a smaller screen, its compact form factor would be more comfortable for daily use.

While the Sony comes at a premium, the improvements in performance, display, and camera make it a worthwhile investment for me. I prioritize long-term satisfaction and these upgrades will undoubtedly translate into a better, more consistent 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.