Samsung Galaxy S21+ 5G vs Xiaomi Poco M4 Pro - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 March 16, 2022
Release Year 2021 2022

Physical

Volume 95.23 cm³ 95.71 cm³
Screen Size to Weight Ratio 3.35 "/g 3.58 "/g
Weight 200 g 179.5 g
Height 161.5 mm 159.9 mm
Width 75.6 mm 73.9 mm
Thickness 7.8 mm 8.1 mm
Foldable Design No No
Available Colors
  • Phantom Violet
  • Phantom Pink
  • Phantom Black
  • Phantom Silver
  • Phantom Gold
  • Phantom Red
  • Cool Blue
  • Poco Yellow
  • Power Black

Display

Screen Size 6.7 " 6.43 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.8 % 84.5 %
Pixel Density 394 PPI 409 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 700 nits
HBM Brightness N/A N/A
Peak Brightness 1300 nits 1000 nits

Hardware

Battery Capacity per Screen Area 106.93 mAh/in² 120.93 mAh/in²
Battery Density 50.4 mAh/cm³ 52.24 mAh/cm³
Battery Capacity 4800 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Mediatek MT6781 Helio G96 (12 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G78 MP14 - International Mali-G57 MC2

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy S21+ 5G and Xiaomi Poco M4 Pro, focusing on real-world implications:

Design

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M4 ProPractical Impact
Dimensions161.5 x 75.6 x 7.8 mm159.9 x 73.9 x 8.1 mmS21+ is slightly larger, but only by a little. Xiaomi is slightly thicker. Generally, they will both fit well in hand.
Weight200g179.5gXiaomi is noticeably lighter, making it more comfortable for extended use.

Display

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M4 ProPractical Impact
Size6.7"6.43"S21+ offers a larger screen for more immersive media consumption and better multitasking.
Resolution1080 x 24001080 x 2400Both phones offer the same level of detail, resulting in similar sharpness on both devices.
Pixel Density394 PPI409 PPIVery similar pixel density - both displays appear sharp.
TechnologyAMOLEDAMOLEDBoth displays offer vibrant colors, deep blacks, and excellent contrast, offering a similar visual experience.
Refresh Rate120Hz90HzS21+ has a smoother visual experience, making animations and scrolling appear more fluid and responsive.
Brightness1300 nits0 nitsS21+ is significantly brighter, ensuring better visibility under direct sunlight. Xiaomi's brightness is not specified.

Performance

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M4 ProPractical Impact
ChipsetExynos 2100 (5 nm)Mediatek Helio G96 (12 nm)S21+ offers significantly faster performance, leading to faster app loading, better multitasking, and smoother gaming experience.
AnTuTu Score749,100438,700S21+ is much more powerful, ideal for demanding tasks, gaming, and future-proofing.
GPUMali-G78 MP14Mali-G57 MC2S21+ has a much more powerful GPU, which results in improved graphics performance and overall smooth gaming, graphics and video editing experience.

Battery

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M4 ProPractical Impact
Capacity4800 mAh5000 mAhPoco M4 Pro has a slightly larger battery, potentially offering marginally better battery life.
Charging25W fast charging33W fast chargingPoco M4 Pro charges faster, reducing downtime.
FeaturesReverse, Wireless (15W)Non-removableS21+ has versatile charging options, including wireless and reverse wireless charging, making it more convenient.

Camera

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M4 ProPractical Impact
Main Camera12MP (f/1.8, 1/1.76")50MP (f/1.8, 1/2.76")Poco M4 Pro has higher resolution for more detailed shots, but S21+ has larger sensor, potentially resulting in better low-light performance.
Telephoto + Portrait64MP (f/2.0, 1/1.72")Not availableS21+ has a dedicated telephoto lens, which enables better optical zoom capabilities.
Selfie Camera10MP (f/2.2, 1/3.2")16MP (f/2.45, 1/3.06")Poco M4 Pro has a higher resolution front camera.
Wide Angle Lens12MP (f/2.2, 1/2.55")8MP (f/2.2, 1/2.8")Xiaomi Poco M4 Pro has a dedicated wide-angle lens for capturing group photos and landscape. S21+ uses a combo.
Video RecordingUp to 8K @24fps, HDR, EIS1080p@30fpsS21+ offers significantly higher video recording quality with 8K capabilities.

2. Key Differences Analysis

Samsung Galaxy S21+ 5G Advantages:

  • Superior Performance: The Exynos 2100 chipset offers a much better performance compared to the Helio G96, leading to smoother day-to-day use, better multitasking, and enhanced gaming performance.
  • High-Quality Display: The 120Hz AMOLED display provides smoother visuals and the significantly brighter screen is a big advantage for outdoor visibility.
  • Advanced Camera System: Offers higher video quality (8K recording), an additional telephoto lens, optical image stabilization, and generally better low-light performance due to larger sensors.
  • Versatile Charging: Supports wireless charging and reverse wireless charging, providing greater convenience.
  • Better Build Quality: Features Corning Gorilla Glass Victus for superior screen protection, making it more durable.

Xiaomi Poco M4 Pro Advantages:

  • Lighter and More Compact: The phone is easier to handle due to the lighter weight and the smaller form factor.
  • Faster Charging: 33W fast charging compared to 25W on the S21+, resulting in quicker charging times.
  • Lower Price: The Poco M4 Pro is typically available at a lower price point, making it a more budget-friendly option.
  • Slightly Bigger Battery: Marginally larger battery, potentially leading to slightly longer battery life, but actual difference may be insignificant.

Trade-offs:

  • S21+ Trade-off: Higher price and less battery capacity than the Xiaomi Poco M4 Pro.
  • Poco M4 Pro Trade-off: Lower performance, inferior display, and less capable camera system compared to the S21+.

3. User Profiles & Recommendations

Samsung Galaxy S21+ 5G Ideal User:

  • Power Users: Individuals who need the best performance for gaming, video editing, or heavy multitasking.
  • Photography Enthusiasts: Those who prioritize high-quality photos and videos, especially in low light, and appreciate telephoto zoom capabilities.
  • Outdoor Users: Individuals who need a brighter screen that is easily visible in direct sunlight.
  • Users Requiring Wireless Charging: For users who value versatile charging options and convenience.

Specific Use Cases for S21+:

  • Mobile gaming at high graphics settings without experiencing lag.
  • Recording high-resolution (8K) video footage.
  • Professional-quality photography, including low-light and zoom situations.
  • Viewing content outdoors without difficulty in bright daylight.

Xiaomi Poco M4 Pro Ideal User:

  • Budget-Conscious Users: People looking for a good all-around phone without breaking the bank.
  • Casual Users: Individuals with basic smartphone needs, such as social media, browsing, and casual gaming.
  • Users Prioritizing Battery Life: People who want a phone that can easily last a full day on a single charge.
  • Users Preferring Lighter Device: People who find heavier phones uncomfortable for extended periods.

Specific Use Cases for Poco M4 Pro:

  • Daily use without the need for top-tier performance.
  • Casual photography and social media sharing.
  • Enjoying movies or videos without requiring the highest screen brightness.
  • Everyday tasks while ensuring the phone lasts through a full workday

4. Decision Framework

Key Questions for Buyers:

  1. Performance Needs: Do you need the best possible performance for gaming or demanding tasks, or are you okay with a more basic experience?
  2. Camera Priorities: Do you need advanced camera features like 8K video, optical zoom, and better low-light performance? Or is a decent camera for casual use sufficient?
  3. Budget: Are you willing to pay a premium for top-tier features, or are you more focused on getting the best value for your money?

Scenario-Based Recommendations:

  • Scenario 1 (High Performance & Camera): If you prioritize performance, camera quality, and advanced display features, and are willing to pay more, the Samsung Galaxy S21+ 5G is the better choice.
  • Scenario 2 (Budget & Battery): If you are more focused on a good phone at a lower price with a decent battery life, and are okay with compromising on performance and camera quality, the Xiaomi Poco M4 Pro is a more sensible option.
  • Scenario 3 (Balance): If you want a mix of features with reasonable performance and are looking for a balance between price and function, neither phone will fit perfectly in this niche. Consider your priority (camera or performance) and then choose from the two phones.

Personal Choice

If I were choosing between these two phones, I would pick the Samsung Galaxy S21+ 5G. While the Xiaomi Poco M4 Pro offers better value for budget-conscious users, I prioritize performance and camera capabilities for my personal usage. The S21+'s superior chipset, brighter 120Hz display, and advanced camera system (including 8K video and telephoto lens) make it worth the higher price for me. Also, I often use my phone outdoors, and the extra screen brightness of the S21+ is a big plus. I also use my phone for gaming and photography, and the S21+ is ideal for that type of use. Finally, the build quality with Gorilla Glass Victus makes me feel like the phone is more durable for long-term use.

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.