Nothing Phone (3a) vs Xiaomi 15 Ultra – Price, Specs & Features

Nothing Phone (3a) alternatives

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Oppo F29 Pro

Xiaomi 15 Ultra alternatives

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Apple iPhone 16 Pro Max

Apple iPhone 15 Plus

Apple iPhone 16 Pro

Samsung Galaxy S24 Ultra

Honor Magic6 Pro

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Nothing Phone (3a)

Snapdragon 7s Gen 3
4 nm
5000 mAh
50W
6.77"
1080 x 2392 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

March 04, 2025

March 11, 2025

Availability

Available Now

Android 15

Custom UI

Nothing OS 3.1

HyperOS 2

OS Updates

3 Years

4 Years

Security Updates

6 Years

AI Features

Circle to Search

HyperAI, AI Write, AI Summary and more

Body

Dimensions

163.5 x 77.5 x 8.4 mm

161.3 x 75.3 x 9.4 mm

Thickness

8.4 mm

9.4 mm

Weight

201 g

226 g

Build Details

Glass Back, , 3 LED light strips on the back

Glass-fiber Back Or Vegan Leather, Aluminum Frame

IP Rating

IP64 (dust tight and water resistant)

IP68 (dust tight and water resistant (immersible up to 1.5m for 30 min))

Display

Size

6.77 inches

6.73 inches

Type

AMOLED, 1B colors, HDR10+, Ultra HDR image support

LTPO AMOLED, 68B colors, Dolby Vision, HDR10+, HDR Vivid

Refresh Rate

120 Hz

Peak Brightness

3000 nits

3200 nits

Resolution

1080 x 2392 pixels

1440 x 3200 pixels

Pixel Density

387 ppi

522 ppi

Aspect Ratio

20:9

Screen to Body Ratio

88.0 %

89.7 %

Performance

Chipset¹

Qualcomm Snapdragon 7s Gen 3

Qualcomm Snapdragon 8 Elite

Process Size

4 nm

3 nm

CPU

Octa-core
1x2.5 GHz Cortex-A720
3x2.4 GHz Cortex-A720
4x1.8 GHz Cortex-A520

Octa-core
2x4.32 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M

GPU

Adreno 710 (940 MHz)

Adreno 830

RAM & Storage

8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)

12GB 256GB (UFS 4.1)
16GB 512GB (UFS 4.1)
16GB 1024GB (UFS 4.1)

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

Camera

Main Camera

50 MP
f/1.9, 24mm (wide), 1/1.57", 1.0µm, PDAF, OIS

50 MP
f/2.0, 50mm (telephoto), 1/2.74", 0.64µm, PDAF (25cm - ∞), 2x optical zoom

8 MP
f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm

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

Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)

Video Recording

4K@30fps
1080p@30/60/120fps

8K@30fps
4K@30/60/120fps
1080p@30/60/120/240/480/960/1920fps

Video Recording Features

gyro-EIS, Dolby Vision HDR 10-bit recording (4K@60fps, 1080p)

Selfie Camera

32 MP
f/2.2, 22mm (wide), 1/3.44"

32 MP
f/2.0, 21mm (wide), 1/3.14", 0.7µm, OmniVision OV32B40

Selfie Features

HDR, panorama

Selfie Video Recording

1080p@30fps

4K@30/60fps
1080p@30/60fps

Connectivity

SIM

Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano

Dual SIM
SIM1: Nano, SIM2: Nano

SIM 1

16 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N28
TDD: N38, N40, N41, N48, N66, N77, N78

21 5G 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

16 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N28
TDD: N38, N40, N41, N48, N66, N77, N78

21 5G 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

Wi-Fi

Wi-Fi 6

Wi-Fi 7

Wi-Fi Details

802.11 a/b/g/n/ac/ax 5GHz, 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

5.4

6.0

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

5000 mAh

5410 mAh

Type

Si/C Li-Ion

Removable

Wired charging

50W

90W

Charging Speed

50% in 19 min

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

Black, White, Blue

Chrome Silver

Price in India

₹21900

₹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 Nothing Phone (3a) with the Qualcomm Snapdragon 7s Gen 3 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Xiaomi 15 Ultra offers 4 years of OS updates, whereas Nothing Phone (3a) provides 3 years. Both phones receive the same 6 years of security updates.

Which phone has a better display?

Both Nothing Phone (3a) 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 50W on Nothing Phone (3a). Xiaomi 15 Ultra supports wireless charging at 80W, while Nothing Phone (3a) 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.

Can I buy these phones on Amazon?

Nothing Phone (3a) – Check price here
Xiaomi 15 Ultra – Check price here

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