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Samsung Galaxy Z Fold 6 vs Xiaomi 15 Ultra

Updated Apr 2026phones
Samsung Galaxy Z Fold 6
Samsung
Samsung Galaxy Z Fold 6
$1,900
8.0/10
VS
Xiaomi 15 Ultra
Xiaomi
Xiaomi 15 Ultra
$999
8.7/10
Winner

The Verdict

Two very different phones serving distinct purposes. Samsung's Galaxy Z Fold 6 offers a unique 7.6-inch foldable inner display, making it a productivity powerhouse for multitasking, but you're paying $900 more for that form factor while accepting real compromises: a modest 4400 mAh battery with slow 25W charging, an under-display selfie camera that lacks sharpness, and IP48 rather than full IP68 protection. Xiaomi's 15 Ultra, by contrast, is a straight-up camera beast. Its 1-inch main sensor, 200 MP periscope telephoto with 5x optical zoom, and 50 MP ultrawide represent a photography system that genuinely outclasses the Fold 6's cameras at every focal length. The Snapdragon 8 Elite chipset runs faster and cooler than the Fold's Snapdragon 8 Gen 3, the 5810 mAh battery charges at 90W wired and 50W wireless, and IP68 means you can actually submerge it without worry. At $999, the Xiaomi 15 Ultra delivers flagship-killer value. If you need the folding tablet experience and use Samsung's ecosystem deeply, the Fold 6 remains the best foldable available. For pure smartphone performance and especially photography, the 15 Ultra wins decisively.

Value15 Ultra
Camera15 Ultra
Battery15 Ultra
DisplayFold 6
Performance15 Ultra

Who Should Buy

Buy the Samsung Galaxy Z Fold 6 if…

  • Lighter and slimmer than the Z Fold 5
  • Improved 2600-nit displays inside and out
  • Snapdragon 8 Gen 3 for Galaxy performance

Buy the Xiaomi 15 Ultra if…

  • 200MP periscope telephoto with 5x optical zoom rivals Galaxy S25 Ultra
  • 1-inch main sensor with Leica optics produces stunning photos
  • Titanium frame gives a premium, durable build

Category Scores

Samsung Galaxy Z Fold 6
Xiaomi 15 Ultra
Value
6.3
9.1
Camera
7.6
9.5
Battery
6.5
9.0
Display
9.0
8.4
Performance
8.2
9.2

Pros & Cons

Samsung Galaxy Z Fold 6

Pros

  • Lighter and slimmer than the Z Fold 5
  • Improved 2600-nit displays inside and out
  • Snapdragon 8 Gen 3 for Galaxy performance
  • Galaxy AI optimized for the foldable display
  • Seven years of software support

Cons

  • Very expensive at $1899
  • Charging still capped at 25W
  • Visible inner display crease remains
  • Cameras lag behind the S24 Ultra
  • IP48 rating (no dust protection)

Xiaomi 15 Ultra

Pros

  • 200MP periscope telephoto with 5x optical zoom rivals Galaxy S25 Ultra
  • 1-inch main sensor with Leica optics produces stunning photos
  • Titanium frame gives a premium, durable build
  • 4K@120fps video recording is industry-leading
  • 90W fast charging and 50W wireless on a huge 5810 mAh battery

Cons

  • Heavy at 229 g and thick at 9.17 mm
  • Very expensive at $999 with limited global availability
  • HyperOS software experience lags behind iOS and One UI
  • Camera bump is extremely large

Full Specifications

SpecSamsung Galaxy Z Fold 6Xiaomi 15 Ultra
SoftwareAndroid 14, One UI 6.1.1Android 15 (HyperOS 2)
Body
Weight239 g229 g
MaterialArmor Aluminum frameTitanium frame, Gorilla Glass Victus 2
IP ratingIP48IP68
Dimensions153.5 x 132.6 x 5.6 mm unfolded161.1 x 75.2 x 9.17 mm
Camera
Main camera50 MP, f/1.8, OIS50 MP, f/1.63, OIS (1-inch sensor)
Front camera10 MP cover, 4 MP under-display32 MP, f/2.0
Video8K@30fps, 4K@60fps8K@30fps, 4K@120fps
Telephoto10 MP 3x optical200 MP, f/2.6, 5x periscope optical zoom, OIS
Ultrawide12 MP, f/2.250 MP, f/2.0, 128-degree
Memory
RAM12 GB16 GB
Storage options256 GB, 512 GB, 1 TB256 GB, 512 GB, 1 TB
Battery
Capacity4400 mAh5810 mAh
Charging25W wired90W wired
Wireless charging15W50W wireless
Display
Size7.6 inches inner, 6.3 inches cover6.73 inches
TypeDynamic AMOLED 2X LTPOLTPO AMOLED
Resolution2160 x 1856 inner, 2376 x 968 cover3200 x 1440
Refresh rate120Hz1-120Hz
Brightness (nits)26003200
Processor
CPUOcta-core (1x3.39 GHz + 5x3.1 GHz + 2x2.9 GHz)Octa-core (2x4.32 GHz + 6x3.53 GHz)
GPUAdreno 750Adreno 830
ChipsetSnapdragon 8 Gen 3 for GalaxyQualcomm Snapdragon 8 Elite
Connectivity
5G
NFC
USBUSB-C 3.2USB-C 3.2
Wi-FiWi-Fi 7Wi-Fi 7
Bluetooth5.35.4

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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.

Explore more in phones, see all Samsung products or all Xiaomi products. View full details for the Samsung Galaxy Z Fold 6 or the Xiaomi 15 Ultra.