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Samsung Galaxy S21+ vs Xiaomi 14 Ultra

Updated Apr 2026phones
Samsung Galaxy S21+
Samsung
Samsung Galaxy S21+
$999
7.9/10
VS
Xiaomi 14 Ultra
Xiaomi
Xiaomi 14 Ultra
$1,499
8.8/10
Winner

The Verdict

Samsung Galaxy S21+ delivers solid flagship performance at $999, featuring a 6.7-inch 120Hz AMOLED display with 1300 nits brightness, Snapdragon 888 processor, and respectable 12MP main camera with 3x zoom. Battery capacity sits at 4800 mAh with 25W charging. Xiaomi 14 Ultra costs 50% more at $1499 but justifies premium pricing significantly. Its 6.73-inch display pushes to 3200x1440 resolution with exceptional 3000 nits peak brightness, runs faster Snapdragon 8 Gen 3, includes massive 5300 mAh battery with blazing 90W wired and 80W wireless charging, and features a superior camera system: 50MP main with variable aperture and 1-inch Sony LYT-900 sensor, dual 50MP telephoto setup (3.2x and 5x), and 16GB RAM standard versus S21+'s 8GB. WiFi 7 and Bluetooth 5.4 represent generational upgrades. S21+ remains excellent value for mainstream users seeking reliable performance and solid photography. However, 14 Ultra's hardware advantages in display clarity, processing power, charging speed, and computational photography justify its price for power users and photography enthusiasts willing to spend more.

ValueGalaxy S21+
Camera14 Ultra
Battery14 Ultra
Display14 Ultra
Performance14 Ultra

Who Should Buy

Buy the Samsung Galaxy S21+ if…

  • Large 4800 mAh battery with great endurance
  • 120Hz AMOLED display
  • Gorilla Glass Victus durability

Buy the Xiaomi 14 Ultra if…

  • Pro-grade 1-inch main sensor with variable aperture
  • Versatile quad 50MP camera system with dual telephotos
  • Extremely bright 3000-nit LTPO display

Category Scores

Samsung Galaxy S21+
Xiaomi 14 Ultra
Value
8.5
7.6
Camera
7.8
9.3
Battery
7.2
9.0
Display
7.8
9.2
Performance
7.5
9.1

Pros & Cons

Samsung Galaxy S21+

Pros

  • Large 4800 mAh battery with great endurance
  • 120Hz AMOLED display
  • Gorilla Glass Victus durability
  • Good triple camera system
  • Flat display is easier to use with screen protectors

Cons

  • FHD+ only, no QHD option
  • Plastic back on some regions (Glasstic)
  • Slow 25W charging
  • No microSD card slot (removed in S21 series)
  • No charger in the box

Xiaomi 14 Ultra

Pros

  • Pro-grade 1-inch main sensor with variable aperture
  • Versatile quad 50MP camera system with dual telephotos
  • Extremely bright 3000-nit LTPO display
  • Fast 90W wired and 80W wireless charging
  • Flagship Snapdragon 8 Gen 3 performance

Cons

  • Heavy at 224 g
  • HyperOS still ships with bloatware in some regions
  • Limited official availability in the US
  • Premium price tag

Full Specifications

SpecSamsung Galaxy S21+Xiaomi 14 Ultra
SoftwareAndroid 11, One UI 3.1Android 14, HyperOS
Body
Weight200 g224 g
MaterialAluminum frame, Gorilla Glass VictusTitanium alloy frame, eco-leather back
IP ratingIP68IP68
Dimensions161.5 x 75.6 x 7.8 mm161.4 x 75.3 x 9.2 mm
Camera
Main camera12 MP, f/1.8, OIS50 MP variable f/1.6-f/4.0, 1-inch Sony LYT-900
Front camera10 MP, f/2.232 MP, f/2.0
Video8K@24fps, 4K@60fps8K@30fps, 4K@60fps Dolby Vision
Telephoto64 MP, f/2.0, 3x hybrid zoom50 MP 3.2x f/1.8 + 50 MP 5x periscope f/2.5
Ultrawide12 MP, f/2.250 MP, f/1.8, 12mm
Memory
RAM8 GB16 GB
Storage options128 GB, 256 GB512 GB, 1 TB
Battery
Capacity4800 mAh5300 mAh
Charging25W wired90W wired
Wireless charging15W wireless80W wireless
Display
Size6.7 inches6.73 inches
TypeDynamic AMOLED 2XLTPO AMOLED
Resolution2400 x 10803200 x 1440
Refresh rate120Hz120Hz
Brightness (nits)13003000
Processor
CPUOcta-core (1x2.84 GHz + 3x2.42 GHz + 4x1.8 GHz)Octa-core (1x3.3 GHz Cortex-X4 + 5x3.2 GHz A720 + 2x2.3 GHz A520)
GPUAdreno 660Adreno 750
ChipsetQualcomm Snapdragon 888Qualcomm Snapdragon 8 Gen 3
Connectivity
5G
NFC
USBUSB-C 3.2USB-C 3.2
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.05.4

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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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