Samsung Galaxy M55s vs Xiaomi 15 Ultra – Price, Specs & Features

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Samsung Galaxy M55s

Snapdragon 7 Gen 1
4 nm
5000 mAh
45W
6.7"
1080x2400 pixels
50 MP
4K@30fps
Specs

Xiaomi 15 Ultra

Snapdragon 8 Elite
3 nm
5410 mAh
90W
6.73"
1440 x 3200 pixels
50 MP
8K@30fps
Specs

Xiaomi 15 Ultra

General

Launch Date

September 23, 2024

March 11, 2025

Availability

Available Now

Operating System (OS)

Android 14

Android 15

Custom UI

One UI 6.1

HyperOS 2

OS Updates

4 Years (until Android 18)

4 Years (until Android 19)

Security Updates

5 Years (until 2029)

6 Years (until 2031)

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

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

Chipset¹

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 4.1)
16GB 512GB (UFS 4.1)
16GB 1024GB (UFS 4.1)

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

Yes

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

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

5G Support

Yes

13 5G bands
n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78

Yes

21 5G bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n71, n75, n77, n78, n79

VoLTE

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

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5000 mAh

5410 mAh

Type

Li-ion

Si/C Li-Ion

Removable

Wired charging

45W

90W

Reverse Wired Charging

Wireless Charging

80W

Reverse Wireless Charging

10W

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

FM Radio

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

Thunder Black and Coral Green

Chrome Silver

Price in India

₹19999

₹109999

FAQs

Which phone has better performance?

In this performance comparison, the Xiaomi 15 Ultra with its Qualcomm Snapdragon 8 Elite (3nm) performs better than the Samsung Galaxy M55s with the Qualcomm Snapdragon 7 Gen 1 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Xiaomi 15 Ultra launched with Android 15 and will receive updates until Android 19, whereas Samsung Galaxy M55s launched with Android 14 and will get Android 18. Xiaomi 15 Ultra will get security updates until 2031 (approx. 6 years), while Samsung Galaxy M55s is supported till 2029.

Which phone has a better display?

Both Samsung Galaxy M55s and Xiaomi 15 Ultra feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. Xiaomi 15 Ultra also boasts a brighter screen with 3200 nits of peak brightness, enhancing outdoor visibility. Notably, Xiaomi 15 Ultra offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Xiaomi 15 Ultra features a larger 5410 mAh battery, potentially delivering better battery life. Xiaomi 15 Ultra also supports faster wired charging at 90W, compared to 45W on Samsung Galaxy M55s. Xiaomi 15 Ultra supports wireless charging at 80W, while Samsung Galaxy M55s lacks this feature.

Which phone has better water and dust resistance?

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

¹ Scores can vary even with the same chipset due to RAM, thermals, and software optimization.