Samsung Galaxy S21 5G vs Xiaomi Poco F5 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 May 1, 2023
Release Year 2021 2023

Physical

Volume 85.33 cm³ 95.45 cm³
Screen Size to Weight Ratio 3.67 "/g 3.69 "/g
Weight 169 g 181 g
Height 151.7 mm 161.1 mm
Width 71.2 mm 75 mm
Thickness 7.9 mm 7.9 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • Black
  • Blue
  • White

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 500 nits
HBM Brightness N/A N/A
Peak Brightness 1300 nits 1000 nits

Hardware

Battery Capacity per Screen Area 104.06 mAh/in² 112.39 mAh/in²
Battery Density 46.88 mAh/cm³ 52.38 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM7475-AB Snapdragon 7+ Gen 2 (4 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.91 GHz Cortex-X2 & 3x2.49 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Mali-G78 MP14 - International Adreno 725

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 14

Comparison Summary

Smartphone Comparison: Samsung Galaxy S21 5G vs. Xiaomi Poco F5

1. Specifications Comparison

FeatureSamsung Galaxy S21 5GXiaomi Poco F5Practical Impact
Design
Dimensions151.7 x 71.2 x 7.9 mm161.1 x 75 x 7.9 mmXiaomi Poco F5 is taller and wider, potentially less comfortable for one-handed use and smaller pockets.
Weight169g181gSamsung Galaxy S21 5G is lighter, making it easier to handle for extended periods.
Display
Size6.2"6.67"Xiaomi Poco F5 offers a larger viewing area, better for media consumption and gaming.
Resolution1080x24001080x2400Both offer sharp visuals; no practical difference in clarity.
Pixel Density (PPI)421395Samsung Galaxy S21 5G has slightly sharper visuals, though the difference is subtle.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks, and excellent contrast.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations.
Brightness1300 nits0 nitsSamsung Galaxy S21 5G is much brighter outdoors in direct sunlight. Note: Xiaomi Poco F5 brightness is unknown from provided data.
Performance
ChipsetExynos 2100 (5 nm)Qualcomm Snapdragon 7+ Gen 2 (4 nm)Xiaomi Poco F5 has a more powerful and efficient processor, leading to faster performance, better gaming, and improved battery efficiency.
AnTuTu Score749,1001,134,558Xiaomi Poco F5 offers significantly better performance in benchmarks.
GPUMali-G78 MP14Adreno 725Xiaomi Poco F5 has a more powerful GPU, translating to better gaming and graphics performance.
Camera
Rear Standard12MP, f/1.8, 1/1.76"64MP, f/1.79, 1/2"Xiaomi Poco F5 captures more detailed images in ideal lighting; Samsung Galaxy S21 5G performs better in low-light due to larger sensor pixels
Rear Telephoto64MP, f/2.0, 1/1.72"NoneSamsung Galaxy S21 5G offers better optical zoom capabilities and portrait shots.
Rear Wide AngleNone8MP, f/2.2, 1/2.8"Xiaomi Poco F5 provides a wider field of view for landscape and group photos.
Rear MacroNone2MP, f/2.4, 1/5"Xiaomi Poco F5 allows for close-up shots with limited detail.
Rear Wide Angle + Macro12.2MP, f/2.2, 1/2.55"NoneSamsung Galaxy S21 5G features a combined wide-angle and macro lens for versatile shots.
Front Camera10MP, f/2.2, 1/3.2"16MP, f/2.45, 1/3.1"Xiaomi Poco F5 captures higher resolution selfies; Samsung Galaxy S21 5G may perform better in low light due to wider aperture.
Video Recording8K@24fps, 4K@60fps4K@30fpsSamsung Galaxy S21 5G supports higher video resolution, offering more flexibility for videography.
DXOMark ScoreMobile:111, Selfie: 132Not availableSamsung Galaxy S21 5G has a tested and better camera performance according to DXOMark
Battery
Capacity4000mAh5000mAhXiaomi Poco F5 has a significantly larger battery, likely offering longer battery life.
Charging25W67WXiaomi Poco F5 charges much faster, reducing downtime.
Wireless Charging15WNoneSamsung Galaxy S21 5G offers convenient wireless charging.
Reverse ChargingYesNoneSamsung Galaxy S21 5G can wirelessly charge other devices.
Software
OSAndroid 11 (Upgradable to 15)Android 13 (Upgradable to 14)Xiaomi Poco F5 ships with a more recent version of Android. Note that both phones will stop receiving OS updates at a similar time due to different update policy by Samsung and Xiaomi
Connectivity
WiFiWi-Fi 6Wi-Fi 6, MiMOBoth offer high-speed Wi-Fi; Xiaomi Poco F5 has extra MiMO feature for better connection speed
Bluetooth5.05.3Xiaomi Poco F5 supports a newer Bluetooth standard for better efficiency and range.
GPSGPS (L1+L5), Galileo (E1+E5a)GPS, QZSS, BeiDou (B1)Xiaomi Poco F5 supports more satellite systems, potentially giving better location accuracy; Samsung includes more advanced features in its GPS
SIMDual SIM Dual StandbyDual SIM Full ActiveXiaomi Poco F5 allows active connection on both SIMs, while Samsung Galaxy S21 5G will drop connection on second sim when the first one is active
Storage
Internal128/256 GB256 GBXiaomi Poco F5 comes with 256GB, while Samsung offers the option of 128 GB, with the 256GB being the highest option.
RAM8 GB8/12 GBXiaomi Poco F5 has an option of more RAM for better multitasking and gaming.
ExpandableNoNoNeither phone offers expandable storage.
Audio
QualityDolby Atmos, Stereo SpeakersDolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphonesXiaomi Poco F5 has Hi-Res Audio for better sound quality and additional microphone for clearer calls.
Security
FeaturesBasic Fingerprint sensorSide-mounted fingerprint sensorXiaomi Poco F5 has a faster and more accessible fingerprint scanner.
Build Quality
Screen ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass 5Samsung Galaxy S21 5G offers slightly better screen scratch and impact resistance.
Sensors
Barometer, Hall, Geomagnetic, Proximity, Accelerometer, Compass, GyroscopeUltrasonic proximity virtual, Accelerometer, Compass, GyroscopeSamsung Galaxy S21 5G offers Barometer, Geomagnetic and Hall Sensor while the Poco F5 has Ultrasonic proximity virtual sensor

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Superior Display Brightness: Significantly better outdoor visibility in bright sunlight.
  • Wireless Charging & Reverse Charging: Offers convenient wireless charging and the ability to charge other devices.
  • Telephoto Camera with Optical Zoom: Enables better zoom shots and portraits.
  • 8K Video Recording: Supports high-resolution video recording.
  • Better Screen Protection: Uses Corning Gorilla Glass Victus for superior durability.
  • DXOMark Tested Camera Performance: DXOMark score is available and is considered a good score for the market, while the Xiaomi Poco F5 camera has no available scores.
  • Wider range of sensors Includes Barometer, Hall and Geomagnetic sensor.
  • Better Main Camera Sensor: The main camera is better for low light photos, with a bigger sensor and pixel size

Xiaomi Poco F5 Advantages:

  • More Powerful Processor: Offers faster performance and better gaming capabilities.
  • Larger Battery: Provides longer battery life for extended use.
  • Faster Charging: Significantly reduces charging time.
  • Larger Display: Offers a more immersive viewing experience for media and gaming.
  • More RAM options: Offers option of 12GB RAM for heavy multitasking.
  • Wide-Angle and Macro Lenses: Provides versatile shooting options.
  • Dual SIM Full Active: allows active connection on both SIM cards.
  • Bluetooth 5.3: Newer Bluetooth standard for improved efficiency and range.
  • Hi-Res Audio: Offers better audio playback quality and a second microphone for clearer calls.
  • Side-mounted fingerprint sensor Faster and easier to use.

Trade-offs:

  • The Samsung Galaxy S21 5G trades processor and battery performance for a slightly brighter display and better camera zoom capabilities.
  • The Xiaomi Poco F5 trades some camera features and wireless charging for a much better processor and better battery life.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G Ideal User:

  • Users who prioritize a premium display with excellent outdoor visibility.
  • Users who often use wireless charging.
  • Users who enjoy photography, with a particular emphasis on zoom and portrait shots.
  • Users who need high-resolution video recording (8K)
  • Users who want a compact phone, with a smaller and lighter design.
  • Users who appreciate a comprehensive sensor suite.

Use Cases:

  • Outdoor photography and videography in bright conditions.
  • Users who need wireless charging on a daily basis.
  • Users who need more versatility on the camera, with a optical zoom and combined wide angle and macro lens.

Xiaomi Poco F5 Ideal User:

  • Users who prioritize performance for gaming and multitasking.
  • Users who need a long-lasting battery life.
  • Users who value fast charging.
  • Users who consume a lot of media, benefit from a larger screen.
  • Users who want a more modern operating system.
  • Users who want high-fidelity audio experience
  • Users who use 2 SIM cards.
  • Users who want the best performance on a budget.

Use Cases:

  • Gaming and heavy multitasking on the go.
  • Users who need long battery life for travel or extended work days.
  • Users who regularly use multiple SIM cards for work and personal.

4. Decision Framework

Key Questions for Buyers:

  1. What is my primary use case? (Gaming, photography, media consumption, productivity)
  2. How important is battery life and charging speed?
  3. Do I need the best possible display brightness for outdoor visibility?

Scenario-Based Recommendations:

  • For performance-focused users: If you primarily use your phone for gaming, multitasking, and want the best possible performance on a budget, the Xiaomi Poco F5 is the better choice.
  • For Camera Enthusiasts: If you focus on mobile photography, like optical zoom and need more versatile lenses, the Samsung Galaxy S21 5G might be better suited.
  • For outdoor use: If you frequently use your phone outdoors in bright sunlight and value the brightest possible display, the Samsung Galaxy S21 5G is recommended.
  • For battery life: If you prioritize longer battery life and faster charging, the Xiaomi Poco F5 is the better option.

My Choice

If I were choosing between these two phones, I would choose the Xiaomi Poco F5. Although the Samsung Galaxy S21 5G has a better main camera sensor, a brighter display, wireless charging and a tested performance, the Poco F5 offers a significantly better processor and a much larger battery, with a fast charging which are more important for my usage. Additionally, the Xiaomi Poco F5 offers a more up-to-date operating system and additional features like a wide-angle lens, a macro lens, and hi-res audio. Overall, the better performance and significantly improved battery of the Xiaomi Poco F5 outweigh the advantages of the Samsung Galaxy S21 5G for my specific needs. I am often using my phone for gaming and media consumption, so the performance, battery life and fast charging are very important to me.

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.