Samsung Galaxy S21+ 5G vs Xiaomi Poco M6 4G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 June 13, 2024
Release Year 2021 2024

Physical

Volume 95.23 cm³ 106.77 cm³
Screen Size to Weight Ratio 3.35 "/g 3.31 "/g
Weight 200 g 205 g
Height 161.5 mm 168.6 mm
Width 75.6 mm 76.3 mm
Thickness 7.8 mm 8.3 mm
Foldable Design No No
Available Colors
  • Phantom Violet
  • Phantom Pink
  • Phantom Black
  • Phantom Silver
  • Phantom Gold
  • Phantom Red
  • Silver
  • Black
  • Purple

Display

Screen Size 6.7 " 6.79 "
Resolution 1080 x 2400 1080 x 2460
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 88.8 % 85.1 %
Pixel Density 394 PPI 396 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 550 nits
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 106.93 mAh/in² 109.10 mAh/in²
Battery Density 50.4 mAh/cm³ 47.11 mAh/cm³
Battery Capacity 4800 mAh 5030 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Mediatek Helio G91 Ultra (12 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G78 MP14 - International Mali-G52 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 15

Comparison Summary

Smartphone Comparison: Samsung Galaxy S21+ 5G vs. Xiaomi Poco M6 4G

1. Specifications Comparison

Here's a detailed comparison of key specifications, grouped by category, with a focus on practical implications:

Design

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M6 4GPractical Impact
Dimensions161.5 × 75.6 × 7.8 mm168.6 × 76.3 × 8.3 mmPoco M6 is taller and thicker, potentially less comfortable for smaller hands.
Weight200g205gS21+ is slightly lighter, might feel better during extended use.
Build MaterialNot SpecifiedNot SpecifiedMaterial impacts durability, feel, and overall aesthetics (information is unavailable).

Display

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M6 4GPractical Impact
Size6.7"6.79"Minimal difference; both offer a large display for media consumption and multitasking.
Resolution1080x24001080x2460Negligible difference in sharpness, both are Full HD+ quality.
PPI394396Practically identical pixel density, resulting in similar clarity.
TechnologyAMOLEDIPS LCDS21+ offers deeper blacks, higher contrast, better color accuracy, and is more power efficient in dark mode.
Refresh Rate120Hz90HzS21+ provides smoother scrolling and animations, noticeable during gaming or UI interactions.
Brightness1300 nits0 nitsS21+ offers significantly better outdoor visibility, especially in bright sunlight. Xiaomi Poco M6 4G's brightness is unknown.
Screen ProtectionCorning Gorilla Glass VictusUnknownS21+ has better scratch and impact resistance; Poco M6 screen protection is not specified

Performance

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M6 4GPractical Impact
ChipsetExynos 2100 (5 nm)Mediatek Helio G91 Ultra (12 nm)S21+ provides significantly faster processing, better app loading, and a smoother user experience in demanding tasks.
Antutu Score749,100269,266S21+ scores much higher, indicating superior performance across all tasks, including gaming and multitasking.
GPUMali-G78 MP14Mali-G52 MC2S21+ has a much more powerful GPU; S21+ has a big advantage in gaming and graphically demanding apps.

Camera

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M6 4GPractical Impact
Main Camera12MP, f/1.8, 1/1.76", Sony IMX555108MP, f/1.75, 1/1.67", Samsung HM6Poco M6's higher resolution might capture more detail in good lighting, S21+'s larger pixel size may offer better low-light performance.
Telephoto/Portrait64MP, f/2.0, 1/1.72", Samsung S5KGW2NoneS21+ has a dedicated telephoto lens for zooming and portrait photography.
Selfie Camera10MP, f/2.2, 1/3.2", Sony IMX37413MP, f/2.45, UnspecifiedPoco M6 has a higher resolution selfie camera, the Samsung might have better low light.
Macro LensNone2MP, f/2.4, UnspecifiedPoco M6 has a dedicated macro lens for extreme close-up shots.
Wide Angle12.2MP, f/2.2, 1/2.55", Sony IMX563NoneS21+ has a dedicated wide-angle camera for capturing larger scenes.
VideoUp to 8K@24fps, 4K@60fps, EIS, Stereo soundUp to 1080p@30fpsS21+ has significantly superior video recording capabilities, including 8K video and advanced stabilization and stereo sound.
DXOMark ScoreMobile: 111 (Photo 118, Video 89)Not TestedS21+ camera performance is validated via DXOMark scores, while Poco M6 has no published scores.
Additional Features8K Video, Optical zoom, OIS, PDAF, RAW, Night Mode4K Video, Dual CameraS21+ offers more features related to quality video capture and photography.

Battery

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M6 4GPractical Impact
Capacity4800mAh5030mAhPoco M6 offers slightly longer battery life due to higher capacity.
Charging25W Fast Charging33W Fast ChargingPoco M6 charges faster, potentially reducing wait time.
FeaturesWireless Charging, Reverse Wireless ChargingReverse ChargingS21+ has wireless and reverse wireless charging, offering more convenience.

2. Key Differences Analysis

Samsung Galaxy S21+ 5G Advantages:

  • Superior Display: AMOLED panel with 120Hz refresh rate and significantly higher brightness provides a much better viewing experience, especially outdoors.
  • Higher Performance: The Exynos 2100 chipset and Mali-G78 GPU offer significantly better processing power for gaming, multitasking, and demanding apps.
  • Advanced Camera System: Includes a telephoto lens, wide-angle lens, superior video recording (8K), OIS, and better low-light capabilities due to larger pixel size, resulting in greater flexibility and quality.
  • Premium Features: Offers wireless and reverse wireless charging, a more advanced Bluetooth, and better protection with Corning Gorilla Glass Victus.
  • Better Connectivity: Supports newer WiFi standards, GPS (L1+L5) and Galileo (E1+E5a), eSIM.

Xiaomi Poco M6 4G Advantages:

  • Newer Device: Launched more recently, this might mean better software support for longer.
  • Higher Battery Capacity: Slightly larger battery provides potentially longer battery life between charges.
  • Faster Charging: 33W charging is faster than the 25W offered by the S21+.
  • Higher Resolution Main Camera: 108MP camera can capture highly detailed images in optimal conditions.
  • Dedicated Macro Lens: Provides a feature for extreme close-up photography that the S21+ lacks.
  • Side-mounted Fingerprint: Faster and more reliable physical sensor.

Trade-offs

  • The S21+ sacrifices some battery capacity and charging speed for overall performance, a premium display, and more camera features.
  • The Poco M6 sacrifices overall performance, display quality, and some premium features for a better battery, a macro lens, and faster charging.

3. User Profiles & Recommendations

Samsung Galaxy S21+ 5G Ideal User:

  • Power Users: Those who require high performance for gaming, content creation, or heavy multitasking.
  • Media Enthusiasts: Users who prioritize a high-quality display for watching videos and playing games, especially in varying light conditions.
  • Photography/Videography Enthusiasts: Users who want a versatile camera system with high-resolution video, optical zoom, and advanced features.
  • Tech-Savvy Users: Those who want premium features such as wireless charging, advanced Bluetooth, a newer WiFi standard and better screen protection.

Use Cases:

  • Playing graphically intensive mobile games.
  • Editing videos on the go.
  • Consuming media outdoors in bright sunlight.
  • Taking high-quality photos in various conditions
  • Professionals needing a reliable, powerful mobile device.

Xiaomi Poco M6 4G Ideal User:

  • Budget-Conscious Users: Those who want a capable smartphone at a lower price point.
  • Everyday Users: Users who mainly browse the web, use social media, and perform basic tasks.
  • Users Prioritizing Battery Life: Those who need a phone that lasts a full day or more on a single charge.
  • Macro Photographers: Users who enjoy taking close-up photos.

Use Cases:

  • Everyday browsing and social media.
  • Longer usage without needing to recharge frequently.
  • Taking macro shots.
  • Basic mobile gaming and casual usage.
  • Users looking for a basic reliable phone.

Price-to-Value Ratio:

  • The S21+ offers higher value in terms of raw performance, display and camera quality, but comes at a higher cost.
  • The Poco M6 4G offers more value in terms of battery life and faster charging while being more budget-friendly.

4. Decision Framework

Here are three key questions buyers should consider:

  1. What is your primary use case? Is it gaming and content creation (S21+) or everyday browsing and social media (Poco M6)?
  2. How important is display quality to you? Do you need the deep blacks and vibrancy of an AMOLED panel (S21+), or is an IPS LCD adequate (Poco M6)?
  3. What is your budget? Are you willing to pay more for a premium experience (S21+) or are you looking for a more affordable option (Poco M6)?

Scenario-Based Recommendations:

  • Scenario 1: High Performance and Visuals: If you prioritize performance, display quality, and camera capabilities, the Samsung Galaxy S21+ 5G is the superior choice despite being older.

  • Scenario 2: Budget and Battery Life: If your priority is budget, battery life, and faster charging, the Xiaomi Poco M6 4G is a more suitable option.

  • Scenario 3: Balanced Needs: If you need a balance of performance, battery, and don't need the highest end video capabilities, the S21+ is still a better choice overall due to better specifications.

My Choice and Reasoning

I would choose the Samsung Galaxy S21+ 5G.

Here's why:

  • Superior Display Experience: As a person who consumes a lot of media on my phone, the AMOLED display with its vibrant colors, deep blacks, and higher brightness is a huge advantage. The 120Hz refresh rate also provides a noticeably smoother experience.
  • Performance Edge: The Exynos 2100 is considerably more powerful than the Helio G91 Ultra. I value a phone that can handle demanding apps and games smoothly, as well as excellent multitasking abilities.
  • Better Camera Versatility: The telephoto and wide-angle lenses on the S21+, coupled with its advanced video features, make it a more complete and versatile camera system for my needs. The inclusion of features such as OIS and 8k recording makes it a much more powerful tool for photography and videography.
  • Premium Features: Wireless charging, a higher Bluetooth version, better screen protection, newer Wifi standards are not negligible.

While the Poco M6 4G is newer, has a slightly larger battery and faster charging, the difference in display quality, overall performance, and camera versatility that the Samsung S21+ 5G provides far outweighs the benefits of the budget-friendly phone. My usage patterns are more aligned with the S21+’s strengths, making it a worthwhile investment. Even being an older device, the S21+ still outperforms the Poco M6 4G in almost every key area of comparison.

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.

Key Strengths:

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