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Compare of Xiaomi 15 Ultra vs Samsung Galaxy S25 Ultra: Best Specs & Price in BD

Xiaomi 15 Ultra and Samsung Galaxy S25 Ultra shown front, back and side
Xiaomi 15 Ultra
Starts at ৳140,0008.7/10 DevicesFinder.com Score
Full specs
Samsung Galaxy S25 Ultra
Starts at ৳95,0008.8/10 DevicesFinder.com Score
Full specs

DevicesFinder.com Score: Xiaomi 15 Ultra vs Galaxy S25 Ultra

Xiaomi 15 Ultra
8.7/10
Wins 1 of 6 categories
Galaxy S25 Ultra
8.8/10
Wins 2 of 6 categories

Each category is scored out of 10. The stronger colour marks the winner. Ties are shown with both bars in the strong colour.

Xiaomi 15 UltraCategoryGalaxy S25 Ultra
9
Network
9
9
Processor
9
8
Ram
9
8
Rom
9
9
Display
9
9
Battery
8

Xiaomi 15 Ultra vs Galaxy S25 Ultra Specifications Comparison

Xiaomi 15 UltraFull specs
Galaxy S25 UltraFull specs

Display

Type
Xiaomi 15 Ultra: LTPO AMOLED · 120 Hz · 3200 nits peak · 68B colors · 1920 Hz PWM · Dolby Vision · HDR Vivid · HDR10+
Galaxy S25 Ultra: Dynamic LTPO AMOLED 2X · 120 Hz · 2600 nits peak · HDR10+
Size
Xiaomi 15 Ultra: 6.73 inches · 89.7% screen-to-body
Galaxy S25 Ultra: 6.9 inches · 92.5% screen-to-body
Resolution
Xiaomi 15 Ultra: 1440 × 3200 · 20:9
Galaxy S25 Ultra: 1440 × 3120 · 19.5:9
Pixel Density
Xiaomi 15 Ultra: 522 ppi
Galaxy S25 Ultra: 498 ppi
Protection
Xiaomi 15 Ultra: Xiaomi Shield Glass 2.0
Galaxy S25 Ultra: Corning Gorilla Armor 2
Features
Xiaomi 15 Ultra: —
Galaxy S25 Ultra: DX anti-reflective coating

General

Brand
Xiaomi 15 Ultra: Xiaomi
Galaxy S25 Ultra: Samsung
Model
Xiaomi 15 Ultra: Xiaomi 15 Ultra
Galaxy S25 Ultra: Samsung Galaxy S25 Ultra
Launch Date
Xiaomi 15 Ultra: 27 February 2025
Galaxy S25 Ultra: 22 January 2025
Status
Xiaomi 15 Ultra: Available. Released 27 February 2025
Galaxy S25 Ultra: Available. Released 3 February 2025
Color Variant
Xiaomi 15 Ultra: Black, Green, Silver Chrome, White
Galaxy S25 Ultra: Titanium White Silver, Titanium Silver Blue, Titanium Pink Gold, Titanium Jet Black, Titanium Jade Green, Titanium Gray, Titanium Black

Network

Technology
Xiaomi 15 Ultra: 5G, LTE, HSPA, GSM
Galaxy S25 Ultra: 5G, LTE, EVDO, HSPA, CDMA, GSM
Speed
Xiaomi 15 Ultra: 5G, LTE, HSPA
Galaxy S25 Ultra: 5G, LTE (CA), HSPA
2G Bands
Xiaomi 15 Ultra: 1900, 1800, 900, 850 MHz (GSM)
Galaxy S25 Ultra: 1900, 1800, 900, 850 MHz (GSM)
3G Bands
Xiaomi 15 Ultra: 2100, 1900, 1700 (AWS), 900, 850, 800 MHz (HSDPA)
Galaxy S25 Ultra: 2100, 1900, 1700 (AWS), 900, 850 MHz (HSDPA)
4G Bands
Xiaomi 15 Ultra: B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28, B32, B38, B39, B40, B41, B42, B48, B66, B71 (International)
Galaxy S25 Ultra: B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28, B32, B38, B39, B40, B41, B66 (International)
5G Bands
Xiaomi 15 Ultra: n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n71, n75, n77, n78, n79 · SA/NSA (International)
Galaxy S25 Ultra: n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n66, n75, n77, n78 · SA/NSA/Sub6 (International)

Additional Features

Water Dust Resistance
Xiaomi 15 Ultra: IP68 rated · Dust tight · Water resistant to 1.5 m for 30 min
Galaxy S25 Ultra: IP68 rated · Dust tight · Water resistant to 1.5 m for 30 min
Special Features
Xiaomi 15 Ultra: China model only: Two-way satellite communication
Galaxy S25 Ultra: Desktop experience support: Samsung Wireless DeX, Samsung DeX, Ultra Wideband (UWB) support

Audio

Speakers
Xiaomi 15 Ultra: Stereo speakers
Galaxy S25 Ultra: Stereo speakers
Headphone Jack
Xiaomi 15 Ultra: No
Galaxy S25 Ultra: No
Audio Features
Xiaomi 15 Ultra: Hi-Res audio, Hi-Res Wireless, 24-bit/192 kHz, Qualcomm XPAN (24-bit/96 kHz audio)
Galaxy S25 Ultra: High-bitrate audio support

Battery

Type
Xiaomi 15 Ultra: Si/C Li-Ion
Galaxy S25 Ultra: Li-Ion
Capacity
Xiaomi 15 Ultra: Global: 5410 mAh · China: 6000 mAh
Galaxy S25 Ultra: 5000 mAh
Reverse Charging
Xiaomi 15 Ultra: 10 W reverse wireless
Galaxy S25 Ultra: 4.5 W reverse wireless
Charging
Xiaomi 15 Ultra: 90 W wired, PD3.0, QC3+, 10 W reverse wireless, 80 W wireless
Galaxy S25 Ultra: 45 W wired, 65% in 30 min, PD3.0, 4.5 W reverse wireless, 15 W Qi2 Ready wireless

Body

Dimensions
Xiaomi 15 Ultra: 161.3 × 75.3 × 9.4 mm
Galaxy S25 Ultra: 162.8 × 77.6 × 8.2 mm
Weight
Xiaomi 15 Ultra: 226 g or 229 g
Galaxy S25 Ultra: 218 g
Build Materials
Xiaomi 15 Ultra: Front: Glass · Back: Silicone polymer back (eco leather) or Glass-fiber reinforced plastic · Frame: Aluminum
Galaxy S25 Ultra: Front: Glass (Corning Gorilla Armor 2) · Back: Glass (Gorilla Glass Victus 2) · Frame: Titanium (grade 5)
Certification
Xiaomi 15 Ultra: IP68 rated · Dust tight · Water resistant to 1.5 m for 30 min
Galaxy S25 Ultra: IP68 rated · Dust tight · Water resistant to 1.5 m for 30 min

Connectivity

Supported SIM
Xiaomi 15 Ultra: Max 2 at a time · 2 × Nano-SIM or 2 × Nano-SIM + 2 × eSIM
Galaxy S25 Ultra: INT: 2 × Nano-SIM + 2 × eSIM · USA: Nano-SIM + 2 × eSIM · 2 × Nano-SIM (CN) · Max 2 at a time
Wifi
Xiaomi 15 Ultra: Wi-Fi 7/6e/ac/n/g/b/a, Dual-band or tri-band, Wi-Fi Direct
Galaxy S25 Ultra: Wi-Fi 7/6e/ac/n/g/b/a, Tri-band, Wi-Fi Direct
Bluetooth
Xiaomi 15 Ultra: Bluetooth 6.0, A2DP, aptX Adaptive, aptX HD, LE, LHDC 5
Galaxy S25 Ultra: Bluetooth 5.4, A2DP, LE
Nfc
Xiaomi 15 Ultra: Yes
Galaxy S25 Ultra: Yes
Usb
Xiaomi 15 Ultra: DisplayPort, OTG, USB Type-C 3.2 Gen 2
Galaxy S25 Ultra: DisplayPort 1.2, OTG, USB Type-C 3.2
Infrared Port
Xiaomi 15 Ultra: Yes
Galaxy S25 Ultra: —
Fm Radio
Xiaomi 15 Ultra: No
Galaxy S25 Ultra: No
Other
Xiaomi 15 Ultra: BDS (B1I+B1c+B2a), GALILEO (E1+E5a), GLONASS, GPS (L1+L5), NavIC (L5), QZSS (L1+L5)
Galaxy S25 Ultra: BDS, GALILEO, GLONASS, GPS, QZSS

Front Camera

Sensor
Xiaomi 15 Ultra: 32 MP wide · f/2.0 · 21 mm · 1/3.14" · 0.7 µm
Galaxy S25 Ultra: 12 MP wide · f/2.2 · 26 mm · dual pixel PDAF · 1/3.2" · 1.12 µm
Features
Xiaomi 15 Ultra: HDR, Panorama
Galaxy S25 Ultra: HDR, HDR10+
Video Recording
Xiaomi 15 Ultra: 4K at 30/60 fps, 1080p at 30/60 fps, gyro-EIS
Galaxy S25 Ultra: 4K at 30/60 fps, 1080p at 30 fps

Main Camera

Main Sensor
Xiaomi 15 Ultra: 50 MP wide · f/1.6 · 23 mm · OIS · 1.0"-type · dual pixel PDAF · 1.6 µm
Galaxy S25 Ultra: 200 MP wide · f/1.7 · 24 mm · OIS · multi-directional PDAF · 1/1.3" · 0.6 µm
Ultra Wide
Xiaomi 15 Ultra: 50 MP ultrawide · f/2.2 · 14 mm · 115° · dual pixel PDAF · 1/2.76" · 0.64 µm + depth · TOF 3D
Galaxy S25 Ultra: 50 MP ultrawide · f/1.9 · 120° · Super Steady video · dual pixel PDAF · 1/2.5" · 0.7 µm
Telephoto
Xiaomi 15 Ultra: 50 MP telephoto · f/1.8 · 70 mm · OIS · 3× optical zoom · dual pixel PDAF (10cm - ∞) · 1/2.51" · 0.7 µm + 200 MP periscope telephoto · f/2.6 · 100 mm · OIS · 4.3× optical zoom · multi-directional PDAF · 1/1.4" · 0.56 µm
Galaxy S25 Ultra: 10 MP telephoto · f/2.4 · 67 mm · OIS · 3× optical zoom · PDAF · 1/3.52" · 1.12 µm + 50 MP periscope telephoto · f/3.4 · 111 mm · OIS · 5× optical zoom · PDAF · 1/2.52" · 0.7 µm
Features
Xiaomi 15 Ultra: Color spectrum sensor, Dual-LED flash, HDR, Laser AF, Leica lenses, Optional: 67 mm filter ring holder, Panorama
Galaxy S25 Ultra: Auto-HDR, Best Face, Laser AF, LED flash, Panorama
Video Recording
Xiaomi 15 Ultra: 8K at 30 fps, 4K at 30/60/120 fps, 1080p at 30/60/120/240/480/960/1920 fps, 4K@60 fps, 1080p: Dolby Vision HDR 10-bit rec., gyro-EIS
Galaxy S25 Ultra: 8K at 24/30 fps, 4K at 30/60/120 fps, 1080p at 30/60/120/240 fps, 10-bit HDR, gyro-EIS, HDR10+, stereo sound rec.

Memory

Card Slot
Xiaomi 15 Ultra: No
Galaxy S25 Ultra: No
Internal Storage
Xiaomi 15 Ultra: 256 GB, 512 GB, 1 TB
Galaxy S25 Ultra: 256 GB, 512 GB, 1 TB

Performance

Chipset
Xiaomi 15 Ultra: Snapdragon 8 Elite by Qualcomm (SM8750-AB), 3 nm
Galaxy S25 Ultra: Snapdragon 8 Elite by Qualcomm (SM8750-AC), 3 nm
Cpu
Xiaomi 15 Ultra: 8 cores: 2 × 4.32 GHz Oryon V2 Phoenix L + 6 × 3.53 GHz Oryon V2 Phoenix M
Galaxy S25 Ultra: 8 cores: 2 × 4.47 GHz Oryon V2 Phoenix L + 6 × 3.53 GHz Oryon V2 Phoenix M
Gpu
Xiaomi 15 Ultra: Adreno 830
Galaxy S25 Ultra: Adreno 830 (1200 MHz)
Ram
Xiaomi 15 Ultra: 12 GB, 16 GB
Galaxy S25 Ultra: 12 GB, 16 GB

Platform

Os
Xiaomi 15 Ultra: Android 15 · HyperOS 3 · 4 major OS updates
Galaxy S25 Ultra: Android 15 · One UI 9 · Upgrades to Android 17 · 7 major OS updates

Sensors

Sensor
Xiaomi 15 Ultra: Accelerometer, Barometer, Compass, Fingerprint (under display, ultrasonic), Gyro, Proximity
Galaxy S25 Ultra: Accelerometer, Barometer, Compass, Fingerprint (under display, ultrasonic), Gyro, Proximity

Benchmarks

Performance Scores
Xiaomi 15 Ultra: —
Galaxy S25 Ultra: AnTuTu v10: 2,207,809 · Geekbench 6: 9,846 · 3DMark Wild Life Extreme: 6,687

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