Xiaomi Poco F3 vs Samsung Galaxy S21 Plus

Compared 2 smartphones : Xiaomi Poco F3 Manufactured in March, 2021, with display 6.67 with chipsetQualcomm Snapdragon 870 5G, vs Samsung Galaxy S21 Plus, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco F3
  • Higher pixel density: 395ppi
  • Lighter design: 196g vs 200g
  • Newer Bluetooth version: 5.1 vs 5
  • Infrared port
Reasons to choose Samsung Galaxy S21 Plus
  • Larger display: 6.7in
  • Higher battery capacity: 4800mAh vs 4520mAh
  • Supports newer USB: 3.2 vs 2
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Poco F3 and Samsung Galaxy S21 Plus
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.67 in 6.7 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 395 ppi 394 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (48-120 Hz)
Max brightness 700 nits 1300 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 360 Hz n/a
Screen-to-body ratio 85.9 % 88.7 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi Poco F3
712 nits
Samsung Galaxy S21 Plus
879 nits
sRGB gamut99.8 %98.9 %
PWM (Flicker)490 Hz240 Hz
Response time3 ms6.2 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.7 mm (6.44 in) 161.5 mm (6.36 in)
Width 76.4 mm (3.01 in) 75.6 mm (2.98 in)
Thickness 7.8 mm (0.31 in) 7.8 mm (0.31 in)
Weight 196 g (6.91 oz) 200 g (7.05 oz)
Water resistance IP53 IP68
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Plastic Metal
Colors - White
- Black
- Blue
- Black
- Silver
- Gold
- Red
- Purple
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Xiaomi Poco F3
85.9 %
Samsung Galaxy S21 Plus
88.7 %

Performance

Testing Xiaomi Poco F3 and Samsung Galaxy S21 Plus In benchmarks
Processor
Chipset Qualcomm Snapdragon 870 5G Samsung Exynos 2100
Max Frequency 3200 MHz 2840 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.8 (Kryo 585 Silver (Cortex-A55))
- 3/2.42 (Kryo 585 Gold (Cortex-A77))
- 1/3.2 (Kryo 585 Prime (Cortex-A77))
- 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
Process TSMC Samsung
Transistor Size 7 nm 5 nm
Neural Processor Hexagon 698 Yes
Graphics Adreno 650 Mali-G78 MP14
GPU Cores 768 896
GPU Frequency 670 MHz 854 MHz
FLOPS 1029.1 GFLOPS 1530.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco F3
1358
Samsung Galaxy S21 Plus
1428
Geekbench 6 (Multi-Core)
Xiaomi Poco F3
3706
Samsung Galaxy S21 Plus
3840
Geekbench 6 (Single-Core)13581428
Geekbench 6 (Multi-Core)37063840
AnTuTu 10
AnTuTu 10
Xiaomi Poco F3
820339
Samsung Galaxy S21 Plus
919348
CPU245223262973
GPU217556294382
Memory150549147307
UX207001214686
NanoReview Score820339919348
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco F3
4305
Samsung Galaxy S21 Plus
5538
Max Surface Temp.39.6 °C41.5 °C
Stability90 %67 %
Graphics Test25 fps33 fps
Graphics Score43055538
PCMark 3.0
PCMark 3.0
Xiaomi Poco F3
11024
Samsung Galaxy S21 Plus
n/a
Writing score14383n/a
Web score7991n/a
Video editing6149n/a
Data manipulation8532n/a
NanoReview Score11024n/a

Memory

RAM
RAM Size - 6 GB
- 8 GB
8 GB
Memory Type LPDDR5 LPDDR5
Memory Frequency 2750 MHz 2750 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 128 GB
- 256 GB
Storage TypeUFS 3.1UFS 3.1
Memory CardNoNo

Software

OS Android 11 (Upgradeable to Android 13) Android 11 (Upgradeable to Android 14)
OS Size 21 GB 27.2 GB
UI Skin HyperOS 1.0 One UI 6

Battery

Volume 4520 mAh 4800 mAh
Max Charging Power 33 W 25 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (67% in 30 min) Yes (54% in 30 min)
Full Charge Time 0:56 h 1:12 h
Battery Life Test
Battery Life
Xiaomi Poco F3
19:59
Samsung Galaxy S21 Plus
20:53
Web Browsing08:42 h07:28 h
Video Playback12:58 h13:15 h
Games05:31 h05:04 h
Standby Mode85 h105 h

Main camera

Matrix 48 MP 12 MP
Photo resolution 8000x6000 pixels 4000x3000 pixels
Zoom Digital Optical, 1.1x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Up to 24FPS
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 960 fps (720p)
Wide-angle lens 119 ° 120 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP12 MP
Aperturef/1.8f/1.8
Focal length26 mm26 mm
SensorSony IMX582Sony IMX555
Sensor size1/2.01/1.76
Pixel size0.8 μm1.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a64 MP
Aperturen/af/2.0
Focal lengthn/a28 mm
Sensorn/aSamsung Bright S5KGW2
Sensor sizen/a1/1.72
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
SensorSony IMX355Sony IMX563
Sensor size1/4.01/2.55
Pixel size1.12 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi Poco F3
n/a
Samsung Galaxy S21 Plus
129
Video quality
Xiaomi Poco F3
n/a
Samsung Galaxy S21 Plus
137
Overall camera score
Xiaomi Poco F3
n/a
Samsung Galaxy S21 Plus
133
Bokehn/a70
Previewn/a72
Zoomn/a126

Front camera

Matrix 20 MP 10 MP
Photo resolution 4608x3456 pixels 3872x2592 pixels
Aperture f/2.5 f/2.2
Focal length 26 mm 26 mm
Sensor Samsung S5K3T2 Sony IMX374
Sensor size 1/3.4 1/3.24
Pixel size 0.8 μm 1.22 μm
Autofocus No Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.1 5
Bluetooth features LE, HID, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- USB-Host mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850 900 1800 1900 MHzGSM 850, 900, 1800, 1900 MHz
3G BandsWCDMA 1,2,4,5,8WCDMA Band 1, 2, 4, 5, 8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B28/B38/B40/B41/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
LTE category2024
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi Poco F3
89.4 dB
Samsung Galaxy S21 Plus
87.8 dB

Other

Class Flagship Flagship
Announced March, 2021 yr January, 2021 yr
Release Date March, 2021 yr February, 2021 yr
Launch Price ($) 350 1000
Sensors - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

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