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 95.23 cm³ 96.66 cm³
Screen Size to Weight Ratio 3.35 "/g 3.73 "/g
Weight 200 g 179 g
Height 161.5 mm 161.1 mm
Width 75.6 mm 75 mm
Thickness 7.8 mm 8 mm
Foldable Design No No
Available Colors
  • Phantom Violet
  • Phantom Pink
  • Phantom Black
  • Phantom Silver
  • Phantom Gold
  • Phantom Red
  • Black
  • Blue
  • Purple

Display

Screen Size 6.7 " 6.67 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.8 % 88.9 %
Pixel Density 394 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 106.93 mAh/in² 112.39 mAh/in²
Battery Density 50.4 mAh/cm³ 51.73 mAh/cm³
Battery Capacity 4800 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

FeatureSamsung Galaxy S21+ 5GXiaomi Poco M6 ProPractical Impact
Design
Launch Date2021-01-292024-01-12Xiaomi is significantly newer (3 years). Expect newer software features and potentially better long-term support.
Dimensions161.5 x 75.6 x 7.8 mm161.1 x 75 x 8 mmVery similar overall size. Xiaomi is slightly thicker, might feel a tiny bit bulkier in hand.
Weight200g179gXiaomi is noticeably lighter, will feel more comfortable for long use, especially with one hand.
Display
Size6.7"6.67"Virtually identical screen sizes; negligible difference for most users.
Resolution1080 x 24001080 x 2400Identical screen clarity; both deliver sharp images and text.
PPI394395Identical pixel density, screens will appear equally sharp.
TechnologyAMOLEDAMOLEDBoth have vibrant and contrast-rich displays.
Refresh Rate120Hz120HzBoth provide a smooth scrolling experience; good for gaming and overall responsiveness.
Brightness1300 nits1800 nitsXiaomi is significantly brighter, much better visibility in direct sunlight. Samsung screen might struggle outdoors.
Performance
ChipsetExynos 2100 (5 nm)Mediatek Helio G99 UltraSamsung's chip is more powerful; faster app loading, smoother multitasking, better for demanding tasks like gaming.
AnTuTu Score749,100450,000Samsung has a significant performance advantage, smoother for demanding tasks. Xiaomi is more for general use, less demanding apps.
GPUMali-G78 MP14Mali-G57 MC2Samsung's GPU is superior, better graphics performance for games.
Battery
Capacity4800mAh5000mAhXiaomi has a slightly larger battery, potentially lasting a little longer.
Charging25W fast charging67W fast chargingXiaomi charges much faster; a full charge will be significantly quicker. Samsung will take much longer to fully charge.
FeaturesReverse + Wireless, No ChargerNon-removableSamsung offers convenient wireless charging and reverse charging, Xiaomi has no wireless charging and no reverse charging.
Camera
Standard12MP, f/1.8, 1/1.76"64MP, f/1.79, 1/2"Xiaomi has higher resolution but a smaller sensor, resulting in a different image characteristic (more detail vs. better low-light).
Telephoto64MP, f/2.0, 1/1.72"NoneSamsung has a dedicated zoom lens for better zoomed photos.
Selfie10MP, f/2.2, 1/3.2"16MP, 1/3.06"Xiaomi has higher resolution and slightly larger sensor for slightly better selfies.
Portrait (Depth)None2MP, f/2.45, 1/5"Xiaomi has a dedicated depth sensor for portrait mode, Samsung uses other means to achieve bokeh effect.
Wide + Macro12.2MP, f/2.2, 1/2.55"8MP, f/2.2, 1/2.8"Samsung offers better detail and light gathering in wide-angle photos.
VideoUp to 8K@24fpsUp to 1080p@60fpsSamsung can record much higher resolution video; good for those who need high-quality video recording.
DXOMarkMobile:111 Photo:118 Video:89N/ASamsung has been tested and has a decent camera rating. Xiaomi has no official rating.
Features8K,OIS, RAW, Night ModeOISSamsung has more features for photography, more modes to choose from.
Software
OSAndroid 11 (upgradable to 15)Android 13Xiaomi comes with a newer OS; Samsung has an upgrade path to 15.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 5Samsung has a faster Wi-Fi standard for faster network speeds on compatible routers.
Bluetooth5.05.2Xiaomi has a newer standard, more efficient and slightly faster wireless connection.
GPSGPS(L1+L5),Galileo(E1+E5a)GPS, QZSS, BeiDou(B1)Xiaomi supports more satellite systems for better location tracking, especially in challenging environments.
SIMDual + eSIMDualSamsung offers eSIM for digital carrier switching.
Storage
Internal128GB/256GB128/256/512GBXiaomi offers a larger 512GB option for those with lots of media.
RAM8GB6/8/12GBXiaomi has options for more RAM for better multitasking.
ExpandableNoNoNeither phone supports expandable storage, so choose storage based on need.
Audio
QualityDolby Atmos, Hi-Res, Noise Cancelling MicDolby Atmos, Hi-ResBoth offer great audio quality with Dolby Atmos and Hi-Res, Samsung has noise cancellation for clearer calls.
Security
FeaturesBasic Fingerprint SensorBasic Fingerprint SensorBoth offer basic biometric security; good for basic use.
Build Quality
ProtectionGorilla Glass VictusGorilla Glass 5Samsung has stronger screen protection from scratches.
SensorsBiometric, Proximity, Motion, BarometerBiometric, Motion, Ultrasonic Virtual ProximitySamsung has a barometer, which is great for fitness enthusiasts and users who want accurate atmospheric pressure readings. Xiaomi has a virtual proximity sensor.

2. Key Differences Analysis

Samsung Galaxy S21+ 5G Advantages:

  • Superior Performance: The Exynos 2100 chipset offers significantly better performance in benchmarks and real-world use, resulting in faster app loading, smoother multitasking, and better gaming capabilities.
  • Advanced Camera System: Features a telephoto lens, 8K video recording, and a more comprehensive feature set (including RAW support, Night Mode, Optical Zoom), making it better for photography enthusiasts and those needing high-quality video.
  • Wireless & Reverse Charging: Offers convenient wireless charging and reverse wireless charging, providing more flexibility in battery management.
  • Better Screen Protection: Uses Gorilla Glass Victus, which offers superior scratch resistance.
  • Additional Sensors: Includes a barometer for fitness and accurate atmospheric data, which the Xiaomi lacks.
  • eSIM Support: Supports eSIM for more flexible carrier management.

Xiaomi Poco M6 Pro Advantages:

  • Newer Phone: Launched much later, likely to have longer software support and modern features.
  • Significantly Brighter Display: 1800 nits peak brightness allows for much better outdoor visibility.
  • Faster Charging: The 67W charging system is drastically faster than the Samsung's 25W, making it much more convenient for users who need quick top-ups.
  • Larger Battery Capacity: A slightly larger 5000mAh battery offers a bit more usage time between charges.
  • More RAM and Storage Options: Offers up to 12GB RAM and 512GB storage, making it better for heavy multitaskers and media hoarders.
  • Newer Bluetooth Version: Bluetooth 5.2 is more efficient and reliable than the older 5.0 version found in the Samsung.
  • Lower Weight: Lighter design makes it comfortable to hold for extended periods.

Significant Trade-offs:

  • Samsung: Loses out on charging speeds, display brightness and some RAM options but has better camera and performance.
  • Xiaomi: Loses out on some camera features, overall performance and camera quality, but makes up for it with display, charging and battery.

3. User Profiles & Recommendations

Ideal Users for Samsung Galaxy S21+ 5G:

  • Power Users: Those who need top-tier performance for gaming, video editing, and heavy multitasking.
  • Photography Enthusiasts: Users who prioritize camera quality, especially zoom capabilities and advanced features.
  • Users of Wireless Charging: Those who value wireless charging and reverse wireless charging convenience.
  • Those who take calls in noisy places: The extra noise cancellation microphone will allow for clearer calls.

Use Cases:

  • Gaming at high settings
  • Recording high-resolution videos
  • Professional photo editing
  • Extended use with wireless and reverse charging for convenient battery management.

Ideal Users for Xiaomi Poco M6 Pro:

  • Everyday Users: Those who need a reliable phone for daily tasks, media consumption, and casual gaming.
  • Users in Bright Environments: Those who need a screen that is easily visible in direct sunlight.
  • Users on the Go: Those who need fast charging capabilities and a long battery life.
  • Media Consumers: Those who watch a lot of videos on the go will benefit from the good display.
  • Multitaskers: Users who want more RAM options will benefit from 12GB RAM option.

Use Cases:

  • Watching videos outdoors
  • Frequent use throughout the day with fast charging for short breaks.
  • General social media and web browsing.
  • Casual gaming

Price-to-Value Ratio:

  • The Xiaomi generally provides better value for everyday users focusing on display, charging, and newer software at a lower price.
  • The Samsung, despite being older, may still offer better value to power users who need the best camera and performance.

4. Decision Framework

Key Questions for Buyers:

  1. How important is raw performance to you? (e.g., gaming, video editing).
  2. How much do you value a bright display for outdoor use? (e.g., for bright sunny days)
  3. How important is quick charging, a larger battery and/or wireless charging?

Scenario-Based Recommendations:

  • Scenario 1: Heavy Gaming/High Performance: Choose the Samsung Galaxy S21+ 5G. Its superior processing power and graphics capabilities provide a much better gaming experience. The camera also offers 8k video and OIS.
  • Scenario 2: Frequent outdoor use/fast charging: Choose the Xiaomi Poco M6 Pro. The display's brightness is far superior for use in bright sunlight, and the 67W charging system ensures you're always ready to go, with larger battery capacity.
  • Scenario 3: General daily use/value: Choose the Xiaomi Poco M6 Pro. The newer software, modern features, great display, fast charging and lower weight offer a better balance for most users.

My Choice

I would choose the Xiaomi Poco M6 Pro. While the Samsung Galaxy S21+ 5G has a more powerful processor and a slightly better camera on paper, the Poco M6 Pro offers a more practical package for my typical usage. I prioritize a bright display that's easy to see outdoors, fast charging, and a lighter device. The newer OS and longer software support are also significant benefits. The performance of the Poco is more than adequate for my day to day use, and the trade-off in camera quality is acceptable given the advantages.

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.