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Poco M6 Pro vs Samsung Galaxy S21 Ultra

Updated Apr 2026phones
Poco M6 Pro
Xiaomi
Poco M6 Pro
$199
7.4/10
VS
Samsung Galaxy S21 Ultra
Samsung
Samsung Galaxy S21 Ultra
$1,199
8.8/10
Winner

The Verdict

Poco M6 Pro delivers exceptional value for budget-conscious buyers with its 6.67-inch 120Hz AMOLED display, 67W fast charging, and 5000mAh battery in a lightweight package at $199. Samsung Galaxy S21 Ultra justifies its premium $1199 price through superior engineering: Snapdragon 888 processor crushes MediaTek Helio G99 Ultra in performance, periscope telephoto with 10x optical zoom outclasses Poco's basic ultrawide camera, 8K video recording capability, IP68 water resistance versus IP53, and wireless charging. Galaxy S21 Ultra's Dynamic AMOLED 2X display with LTPO and higher refresh rate responsiveness represents a generation ahead. For casual users prioritizing battery life and display brightness, M6 Pro impresses. However, S21 Ultra's flagship camera system, processing power, and build quality establish it as the clear winner for serious photographers and performance-demanding users willing to invest significantly.

ValueM6 Pro
CameraS21 Ultra
BatteryM6 Pro
DisplayS21 Ultra
PerformanceS21 Ultra

Who Should Buy

Buy the Poco M6 Pro if…

  • 120Hz AMOLED display at just $199
  • 67W fast charging at budget price
  • 5000 mAh battery with all-day life

Buy the Samsung Galaxy S21 Ultra if…

  • 100x Space Zoom with 10x optical telephoto
  • 108 MP main sensor with excellent detail
  • S Pen support (first S-series to do so)

Category Scores

Poco M6 Pro
Samsung Galaxy S21 Ultra
Value
8.9
6.2
Camera
7.1
9.4
Battery
8.5
7.9
Display
8.2
9.1
Performance
6.8
9.3

Pros & Cons

Poco M6 Pro

Pros

  • 120Hz AMOLED display at just $199
  • 67W fast charging at budget price
  • 5000 mAh battery with all-day life
  • Lightweight at 179 g
  • Good 64 MP main camera for the price

Cons

  • No 5G connectivity
  • Helio G99 struggles with demanding games
  • No OIS on main camera
  • Only 1080p video recording
  • Weak ultrawide and macro cameras

Samsung Galaxy S21 Ultra

Pros

  • 100x Space Zoom with 10x optical telephoto
  • 108 MP main sensor with excellent detail
  • S Pen support (first S-series to do so)
  • 1440p 120Hz LTPO adaptive display
  • 5000 mAh battery with all-day endurance

Cons

  • Heavy at 227 g
  • Snapdragon 888 can overheat under load
  • S Pen sold separately, no silo slot
  • Slow 25W charging for the class
  • No charger or earbuds in the box

Full Specifications

SpecPoco M6 ProSamsung Galaxy S21 Ultra
SoftwareAndroid 13, MIUI 14Android 11, One UI 3.1
Body
Weight179 g227 g
MaterialPlastic frame, glass frontAluminum frame, Gorilla Glass Victus
IP ratingIP53IP68
Dimensions161.1 x 74.95 x 7.98 mm165.1 x 75.6 x 8.9 mm
Camera
Main camera64 MP, f/1.79108 MP, f/1.8, OIS
Front camera16 MP, f/2.4540 MP, f/2.2
Macro2 MP, f/2.4
Video1080p@30fps8K@24fps, 4K@60fps
Ultrawide8 MP, f/2.212 MP, f/2.2
Periscope10 MP, f/4.9, 10x optical zoom
Telephoto10 MP, f/2.4, 3x optical zoom
Memory
RAM6 GB12 GB
Storage options128 GB, 256 GB128 GB, 256 GB, 512 GB
Battery
Capacity5000 mAh5000 mAh
Charging67W turbo wired25W wired
Wireless chargingNo15W wireless
Display
Size6.67 inches6.8 inches
TypeAMOLEDDynamic AMOLED 2X, LTPO
Resolution2400 x 10803200 x 1440
Refresh rate120Hz120Hz
Brightness (nits)12001500
Processor
CPUOcta-core (2x2.2 GHz + 6x2.0 GHz)Octa-core (1x2.84 GHz + 3x2.42 GHz + 4x1.8 GHz)
GPUMali-G57 MC2Adreno 660
ChipsetMediaTek Helio G99 UltraQualcomm Snapdragon 888
Connectivity
5G
NFC
USBUSB-C 2.0USB-C 3.2
Wi-FiWi-Fi 5 (802.11ac)Wi-Fi 6
Bluetooth5.35.2

This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.

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