General
Launch Date
March 28, 2024
March 11, 2025
Availability
Available Now
Available Now
OS
Android 14
Android 15
Custom UI
One UI 6.1
HyperOS 2
OS Updates
4 Years
4 Years
Security Updates
5 Years
6 Years
AI Features
HyperAI, AI Write, AI Summary and more
Body
Dimensions
163.9 x 76.5 x 7.8 mm
161.3 x 75.3 x 9.4 mm
Thickness
7.8 mm
9.4 mm
Weight
180 g
226 g
Build Details
Glass-fiber Back Or Vegan Leather, Aluminum Frame
IP Rating
IP67
IP68 (dust tight and water resistant (immersible up to 1.5m for 30 min))
Display
Size
6.7 inches
6.73 inches
Type
Super AMOLED+, Always-on display
LTPO AMOLED, 68B colors, Dolby Vision, HDR10+, HDR Vivid
Refresh Rate
120 Hz
120 Hz
Peak Brightness
1000 nits
3200 nits
Resolution
1080x2400 pixels
1440 x 3200 pixels
Pixel Density
393 ppi
522 ppi
Aspect Ratio
19.5:9
20:9
Screen to Body Ratio
86.4 %
89.7 %
Performance
Chipset
Qualcomm Snapdragon 7 Gen 1
Qualcomm Snapdragon 8 Elite
Process Size
4 nm
3 nm
CPU
Octa-core
1x2.4 GHz Cortex-A710
3x2.36 GHz Cortex-A710
4x1.8 GHz Cortex-A510
Octa-core
2x4.32 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M
GPU
Adreno 644
Adreno 830
RAM & Storage
8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)
12GB 256GB (UFS 4.1)
16GB 512GB (UFS 4.1)
16GB 1024GB (UFS 4.1)
RAM Type
LPDDR4X
LPDDR5X
Expandable Memory
Yes
No
Camera
Main Camera
50 MP
(f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS)

8 MP
(f/2.2, 123˚ (ultrawide))

2 MP
(f/2.4, (macro))
50 MP
f/1.6, 23mm (wide), 1.0"-type, 1.6µm, Sony LYT-900, dual pixel PDAF, OIS

50 MP
f/1.8, 70mm (telephoto), 1/2.51", 0.7µm, Sony IMX858, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom

200 MP
f/2.6, 100mm (periscope telephoto), 1/1.4", 0.56µm, Samsung S5KHP9, multi-directional PDAF, OIS, 4.3x optical zoom

50 MP
f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, Samsung S5KJN5, dual pixel PDAF
TOF 3D, (depth)
OIS
Yes
Yes
Features
LED flash, panorama, HDR, 10 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Video Recording
4K@30fps
1080p@30/60fps
8K@30fps
4K@30/60/120fps
1080p@30/60/120/240/480/960/1920fps
Video Recording Features
Dual Video Recording, Slo-motion, Video Pro Mode
gyro-EIS, Dolby Vision HDR 10-bit recording (4K@60fps, 1080p)
Selfie Camera
50 MP
(f/2.4, (wide))
32 MP
f/2.0, 21mm (wide), 1/3.14", 0.7µm, OmniVision OV32B40
Selfie Features
HDR, panorama
Selfie Video Recording
4K@30fps
1080p@30/60fps
4K@30/60fps
1080p@30/60fps
Connectivity
SIM
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano (Hybrid)
Dual SIM
SIM1: Nano, SIM2: Nano
SIM 1 5G Bands
13 Bands

FDD: N1, N3, N5, N7, N8, N20, N28, N66
TDD: N38, N40, N41, N77, N78
21 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N71, N75, N77, N78, N79
SIM 2 5G Bands
12 Bands

FDD: N1, N3, N5, N7, N8, N20, N28
TDD: N38, N40, N41, N77, N78
21 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N71, N75, N77, N78, N79
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 6
Wi-Fi 7
Wi-Fi Details
802.11 a/b/g/n/ac/ax 5GHz 6GHz, MIMO
802.11 a/b/g/n/ac/be/ax 5GHz 6GHz, MIMO
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0, OTG
USB Type-C 3.2 Gen 2, DisplayPort, OTG
Bluetooth
5.2
6.0
NFC
Yes
Yes
GPS
Yes with A-GPS, Glonass
Yes with A-GPS, Glonass
Infrared
Yes
No
UWB (Ultra Wideband)
No
No
Battery
Capacity
5000 mAh
5410 mAh
Type
Li-ion
Si/C Li-Ion
Removable
No
No
Wired charging
45W
90W
Wireless Charging
No
80W
Reverse Wireless Charging
No
10W
Charger in the Box
No
Yes
Sound
Stereo Speakers
Yes
Yes
3.5mm Headphone Jack
No
No
FM Radio
No
No
Extra Features
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Under-display ultrasonic fingerprint sensor, accelerometer, gyroscope, proximity, compass, barometer
Others
Two-way satellite communication
Colors and Pricing
Colors
Dark Blue, Light Green
Chrome Silver
Price in India
₹24999
₹109999
FAQs

In this comparison, the Xiaomi 15 Ultra with the Qualcomm Snapdragon 8 Elite (3nm) performs better than the Samsung Galaxy M55 with the Qualcomm Snapdragon 7 Gen 1 (4nm), thanks to its more efficient chipset.

They offer the same OS update support. When it comes to security updates, Xiaomi 15 Ultra leads with 6 years of support.

Both phones feature AMOLED displays. They have the same 120 Hz refresh rate. Xiaomi 15 Ultra also has a brighter display with 3200 nits, improving outdoor visibility. Notably, Xiaomi 15 Ultra has a higher resolution display, resulting in sharper visuals.

Xiaomi 15 Ultra has a larger 5410 mAh battery for longer usage. Xiaomi 15 Ultra supports faster wired charging at 90W. Xiaomi 15 Ultra supports wireless charging at 80W, while Samsung Galaxy M55 lacks this feature.

Xiaomi 15 Ultra offers better water and dust resistance with an IP68 rating.