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Samsung Galaxy Z Flip6 vs Xiaomi 15 Ultra

The short answer

  • Xiaomi 15 Ultra has the bigger battery: 5,410 mAh against 4,000.
  • Xiaomi 15 Ultra charges faster, at 90 W against 25.

Compared only on figures both makers publish. Everything else is in the table below.

2 phones side by side.

Specification Samsung Galaxy Z Flip6 Samsung Galaxy Z Flip6 ₹1,09,999launch price · Jul 2024 Xiaomi 15 Ultra ₹1,09,999launch price · Mar 2025
Placement
At its priceBottom quarter ₹1L+Upper half ₹1L+
Spec index8.5 / 109.1 / 10
Key Specs
RAM12 GB16 GB
ProcessorQualcomm Snapdragon 8 Gen 3 for GalaxyQualcomm Snapdragon 8 Elite
Rear Camera50 MP + 12 MP50 MP + 200 MP + 50 MP + 50 MP
Front Camera10 MP32 MP
Battery4000 mAh5410 mAh
Display6.7 inches (17.02 cm)6.73 inches (17.09 cm)
General
Launch DateJuly 24, 2024 (Official)March 11, 2025 (Official)
Operating SystemAndroid v14Android v15
Custom UISamsung One UI 6.1.1Xiaomi HyperOS 2
Performance
ChipsetQualcomm Snapdragon 8 Gen 3 for GalaxyQualcomm Snapdragon 8 Elite
CPUOcta core (3.39 GHz, Single core, Cortex X4 + 3.1 GHz, Tri core, Cortex A720 + 2.9 GHz, Dual core, Cortex A720 + 2.2 GHz, Dual core, Cortex A520)Octa core (4.32 GHz, Dual core, Oryon V2 Phoenix L + 3.53 GHz, Hexa Core, Oryon V2 Phoenix M)
Architecture64 bit64 bit
Fabrication4 nm3 nm
GraphicsAdreno 750Adreno 830
RAM12 GB16 GB
RAM TypeLPDDR5XLPDDR5X
Display
Display TypeFoldable Dynamic AMOLED 2XLTPO AMOLED
Screen Size6.7 inches (17.02 cm)6.73 inches (17.09 cm)
Resolution1080x2640 px (FHD+)1440x3200 px (WQHD+)
Aspect Ratio22:920:9
Pixel Density426 ppi521 ppi
Screen to Body Ratio (calculated)85.45 %90.02 %
Screen ProtectionUltra Thin Glass (UTG), Cover screen: Corning Gorilla Glass Victus 2Xiaomi Shield Glass 2.0
Bezel-less displayYes with punch-hole displayYes with punch-hole display
Touch ScreenYes, Capacitive Touchscreen, Multi-touchYes, Capacitive Touchscreen, Multi-touch
Brightness2600 nits (peak)3200 nits (peak)
HDR 10 / HDR+ supportYes, HDR10+Yes, Dolby Vision, HDR10+
Refresh Rate120 Hz (LTPO, 1-120 Hz adaptive)120 Hz (LTPO, 1-120 Hz adaptive)
Design
Height165.1 mm161.3 mm
Width71.9 mm75.3 mm
Thickness6.9 mm9.48 mm
Weight187 grams229 grams
Build MaterialFrame: Armor Aluminum Back: Corning Gorilla Glass Victus 2Frame: Aluminium Back: Aerospace-grade fibreglass Front: Xiaomi Shield Glass 2.0
ColoursBlue, Mint, Silver Shadow, Crafted Black, White, PeachSilver Chrome
WaterproofYes, IP48Yes, IP68
Main Camera
Camera SetupDualQuad
Resolution50 MP f/1.8, Wide Angle, Primary Camera 12 MP f/2.2, Ultra-Wide Angle Camera50 MP f/1.63, Wide Angle, Primary Camera (1" sensor size, Sony LYT-900, Leica Summilux lens, OIS) 200 MP f/2.6, Periscope Telephoto Camera (4.3x Optical Zoom, 100mm, Samsung ISOCELL HP9, OIS) 50 MP f/1.8, Floating Telephoto Camera (3x Optical Zoom, 70mm, Sony IMX858, OIS) 50 MP f/2.2, Ultra-Wide Angle Camera (14mm, 115 degree field of view, Samsung ISOCELL JN5)
AutofocusYesYes
OISYesYes
FlashYes, LED FlashYes, LED Flash
Image Resolution8160 x 6120 Pixels—
SettingsExposure compensation, ISO controlExposure compensation, ISO control
Shooting ModesContinuous Shooting High Dynamic Range mode (HDR)Continuous Shooting High Dynamic Range mode (HDR) Leica Authentic and Leica Vibrant looks Ultra RAW
Camera Features10 x Digital Zoom 2 x Optical Quality Zoom Auto Flash Face detection Touch to focus Galaxy AI Photo Assist120 x Digital Zoom 4.3 x Optical Zoom Leica co-engineered optics Laser autofocus Face detection Touch to focus
Video Recording3840x2160 @ 60 fps 1920x1080 @ 240 fps 1280x720 @ 960 fps7680x4320 @ 30 fps 3840x2160 @ 120 fps 1920x1080 @ 60 fps
Video Recording FeaturesSlo-motion HDR10+ RecordingDolby Vision HDR up to 4K 60 fps 10-bit Log recording Slo-motion Ultra Image Stabilisation
Front Camera
Camera SetupSingleSingle
Resolution10 MP f/2.2, Wide Angle, Primary Camera32 MP f/2.0, Wide Angle, Primary Camera
AutofocusNoNo
FlashNoNo
Video Recording3840x2160 @ 60 fps 1920x1080 @ 30 fps3840x2160 @ 60 fps 1920x1080 @ 60 fps
Battery
Capacity4000 mAh5410 mAh
TypeLi-PoLi-ion
RemovableNoNo
Wireless ChargingNoNo
Quick ChargingYes, Fast, 25WYes, Fast, 90W
USB Type-CYesYes
Storage
Internal Memory256 GB / 512 GB512 GB
Expandable MemoryNoNo
USB OTGYesYes
Storage TypeUFS 4.0UFS 4.1
Network & Connectivity
SIM Slot(s)Dual SIM, GSM+GSM (Nano SIM + eSIM)Dual SIM, GSM+GSM (Nano SIM + Nano SIM)
SIM SizeSIM1: Nano, SIM2: eSIMSIM1: Nano, SIM2: Nano
Network Support5G Supported in India, 4G Supported in India, 3G, 2G5G Supported in India, 4G Supported in India, 3G, 2G
VoLTEYesYes
SIM 1--
EDGEAvailableAvailable
SIM 2--
GPRSAvailableAvailable
Wi-FiYes, Wi-Fi 6E (802.11 a/b/g/n/ac/ax), MIMOYes, Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be), MIMO
Wi-Fi FeaturesWi-Fi Direct, Mobile HotspotWi-Fi Direct, Mobile Hotspot
BluetoothYes, v5.3Yes, v6.0
GPSYes with Glonass, Galileo, Beidou, QZSSYes with Glonass, Galileo, Beidou, QZSS
NFCYesYes
USB ConnectivityUSB 3.2, Mass storage device, USB chargingUSB 3.2 Gen 2, Mass storage device, USB charging
Infrared Sensor—Yes
Multimedia
FM RadioNoNo
Stereo SpeakerYesYes
LoudspeakerYesYes
Audio JackUSB Type-CUSB Type-C
Audio FeaturesDolby AtmosDolby Atmos, Hi-Res Audio
Sensors
Fingerprint SensorYesYes
Fingerprint Sensor PositionSideIn Display
Fingerprint Sensor TypeCapacitiveUltrasonic
Heart Rate MonitorNoNo
Other SensorsLight sensor, Proximity sensor, Accelerometer, Compass, Gyroscope, BarometerLight sensor, Proximity sensor, Accelerometer, Compass, Gyroscope, Barometer