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

Detailed Comparison

Specification

General

Launch Date January 29, 2021 January 12, 2024
Release Year 2021 2024

Physical

Volume 85.33 cm³ 96.66 cm³
Screen Size to Weight Ratio 3.67 "/g 3.73 "/g
Weight 169 g 179 g
Height 151.7 mm 161.1 mm
Width 71.2 mm 75 mm
Thickness 7.9 mm 8 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • Black
  • Blue
  • Purple

Display

Screen Size 6.2 " 6.67 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.9 % 88.9 %
Pixel Density 421 PPI 395 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 1000 nits
Peak Brightness 1300 nits 1300 nits

Hardware

Battery Capacity per Screen Area 104.06 mAh/in² 112.39 mAh/in²
Battery Density 46.88 mAh/cm³ 51.73 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Mediatek Helio G99 Ultra
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (2x2.2 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 13
Maximum OS Version 15

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy S21 5G and Xiaomi Poco M6 Pro, focusing on practical implications:

Design

FeatureSamsung Galaxy S21 5GXiaomi Poco M6 ProPractical Impact
Physical Size151.7 x 71.2 x 7.9 mm161.1 x 75 x 8 mmPoco M6 Pro is taller and wider, making it feel larger in hand; S21 is more compact and pocketable.
Weight169g179gS21 is slightly lighter, which might make it more comfortable for extended use.
Build QualityGorilla Glass Victus (Screen)Gorilla Glass 5 (Screen)S21 has superior screen protection, less prone to scratches and cracks from drops.

Display

FeatureSamsung Galaxy S21 5GXiaomi Poco M6 ProPractical Impact
Size6.2"6.67"Poco M6 Pro offers a more immersive viewing experience for media consumption and gaming due to the larger screen.
Resolution1080x24001080x2400Both phones offer the same level of sharpness, no major difference.
PPI421395S21 has slightly sharper text and images, though the difference is minor and likely not noticeable to most users.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks, and excellent viewing angles.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations, enhancing the overall user experience.
Brightness1300 nits1800 nitsPoco M6 Pro is significantly brighter, offering much better visibility under direct sunlight.

Performance

FeatureSamsung Galaxy S21 5GXiaomi Poco M6 ProPractical Impact
ChipsetExynos 2100 (5 nm)Mediatek Helio G99 UltraS21's chipset is significantly more powerful, leading to faster app launches, and smoother multitasking, and more demanding gaming performance.
AnTuTu Score749,100450,000S21 offers a much higher level of overall performance; noticeably faster in all intensive tasks.
GPUMali-G78 MP14Mali-G57 MC2S21's GPU delivers superior graphics performance, better for gaming and graphically intensive applications.

Camera

FeatureSamsung Galaxy S21 5GXiaomi Poco M6 ProPractical Impact
Main Camera12MP, f/1.8, 1/1.76", 1.8µm64MP, f/1.79, 1/2", 0.7µmPoco M6 Pro has higher resolution for detailed shots; S21's larger sensor captures better light, low light and is slightly superior in terms of image quality.
Telephoto/Portrait64MP, f/2.0, 1/1.72", 0.8µmNot AvailableS21 offers zoom capabilities and enhanced portrait modes. Poco M6 Pro lacks these features.
Selfie Camera10MP, f/2.2, 1/3.2", 1.22µm16MP, 1/3.06", 1.00µmPoco M6 Pro has higher resolution for selfies with a slightly larger sensor, possibly resulting in slightly better detail capture.
Depth CameraNot Available2MP, f/2.45, 1/5", 1.75µmPoco M6 Pro has a dedicated depth sensor, which helps in better portrait mode effects compared to the S21.
Wide/Macro12.2MP, f/2.2, 1/2.55", 1.40µm8MP, f/2.2, 1/2.8", 1.14µmS21 offers higher resolution and a larger sensor for wider angle images.
VideoUp to 8K@24fps, 4K@60fpsUp to 1080p@60fpsS21 offers superior video recording quality, including 8K resolution, and is better suited for videography.
DxOMarkMain: 111, Selfie: 132Not AvailableS21 has been rated by DXOmark and offers generally good photo quality, but the absence of DXOmark score for Poco M6 Pro means we cannot directly compare.
Features8K video, Optical zoom, RAW, Night Mode, and more4K videoS21 offers a more feature-rich photography experience, especially for those who want more control over the image capture and editing.

Battery

FeatureSamsung Galaxy S21 5GXiaomi Poco M6 ProPractical Impact
Capacity4000mAh5000mAhPoco M6 Pro has significantly larger battery, potentially offering much longer battery life between charges.
Charging25W Fast Charging67W Fast ChargingPoco M6 Pro charges much faster, reducing downtime.
FeaturesWireless Charging, Reverse Charging, No Charger in BoxNoneS21 offers wireless and reverse wireless charging, adding a level of convenience lacking in the M6 Pro, but comes without a charger in the box.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Superior Performance: The Exynos 2100 chipset provides significantly better performance for demanding tasks, gaming, and overall responsiveness.
  • Better Camera System: The S21 features a more versatile camera system with a dedicated telephoto lens, better video capabilities (8K), and generally superior image quality.
  • Wireless Charging: Offers 15W wireless charging and 4.5W reverse wireless charging, which is convenient for many users.
  • Premium Build: Gorilla Glass Victus offers superior screen protection compared to the Poco M6 Pro.
  • More Advanced features: RAW, night mode and optical zoom add flexibility to the camera.
  • More Advanced Connectivity: Wi-Fi 6 support provides faster network speeds.

Xiaomi Poco M6 Pro Advantages:

  • Larger Display: Offers a more immersive viewing experience with a larger 6.67" screen.
  • Significantly Higher Brightness: The display is much brighter (1800 nits) making it more usable under direct sunlight.
  • Larger Battery: The 5000mAh battery and 67W charging provide significantly longer battery life and faster charging times.
  • More RAM Option: Up to 12GB of RAM enables smoother multitasking.
  • Latest Software: Ships with Android 13.
  • Lower Cost: Typically offered at a lower price point which represents a better value proposition for many users.

Significant Trade-offs

  • The Samsung Galaxy S21 5G trades battery life and charging speed for superior performance and camera capabilities.
  • The Xiaomi Poco M6 Pro trades higher-end performance and camera features for better battery life, faster charging and larger screen.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G Ideal Users:

  • Power Users: Individuals who need a phone for intensive tasks, heavy multitasking, and high-end gaming.
  • Photography Enthusiasts: Users who value a versatile camera system with optical zoom, better video recording and advanced features.
  • Users Requiring Wireless Charging: Those who utilize wireless and reverse wireless charging regularly.
  • Those Needing a Premium Compact Device: People who appreciate a premium build quality and compact design.
  • Users who value better performance: Users who want the best possible performance and the fastest app loading times.

Specific Use Cases:

  • Mobile gaming on the go.
  • Professional-level videography and photography.
  • Daily use involving multiple demanding apps and multitasking.
  • Travelers who want great photos, videos and powerful performance.
  • Anyone wanting a smaller, more pocketable phone.

Xiaomi Poco M6 Pro Ideal Users:

  • Budget-Conscious Consumers: Users who seek the best features at an affordable price.
  • Media Consumers: Those who prioritize a large, bright screen for watching videos and browsing content.
  • Users Needing Long Battery Life: Users who need a phone that can last all day without needing frequent charging.
  • Users Who Prefer Larger Devices: Individuals who prefer the immersive experience provided by a large screen.
  • Users who need fast charging: Users who want the fastest possible charging.

Specific Use Cases:

  • Watching movies and TV shows on the go.
  • Social media browsing and content consumption.
  • Casual gaming with long playing sessions.
  • Users who need all-day battery life without frequent recharges.
  • Students and professionals who need long battery life.

4. Decision Framework

Here are 3 key questions potential buyers should ask themselves:

  1. What is your budget? The Xiaomi Poco M6 Pro will likely be much cheaper than the Samsung Galaxy S21 5G.
  2. What is more important, performance or battery life? If top-tier performance and an excellent camera are crucial, the S21 is better. If battery life is a priority, the M6 Pro excels.
  3. Do you value wireless charging and high-end features? The S21 offers wireless charging and reverse wireless charging, and more advanced camera features which are not available in the M6 Pro.

Scenario-Based Recommendations:

  • Scenario 1: Heavy Gaming/Performance User: Choose the Samsung Galaxy S21 5G for its superior processing power and graphics.
  • Scenario 2: Budget-Conscious User Who Values Battery Life: Choose the Xiaomi Poco M6 Pro for its larger battery and significantly faster charging.
  • Scenario 3: Casual User Who Needs a Good Camera: The S21 provides a more versatile, feature-rich camera experience, while the M6 Pro provides a decent experience for the price.
  • Scenario 4: Outdoor User: Choose the Xiaomi Poco M6 Pro for its brighter screen which is clearly visible even under direct sunlight.

My Choice

Personally, I would choose the Samsung Galaxy S21 5G, even though it's older. While the Xiaomi Poco M6 Pro's large display, great battery life, and fast charging are tempting, I prioritize the superior processing power, the more versatile camera system, the wireless charging capabilities and a better build quality. I use my phone for a variety of tasks, including mobile gaming, photo and video editing, and I appreciate a smaller device. The S21's higher benchmark score and 8K video are important for the intensive use cases I regularly encounter, making it a more suitable fit for my needs and the better overall experience. The trade-off of less battery life is a price I'm willing to pay. However, I would still strongly recommend the Xiaomi Poco M6 Pro for most average users, as it provides very good value for the price.

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
  • Digital media communication
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.