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

Q: Which phone has better performance, the Nothing Phone (3a) or the Xiaomi 15?

In this performance comparison, the Xiaomi 15 with its Snapdragon 8 Elite (3nm) performs better than the Nothing Phone (3a) with the Snapdragon 7s Gen 3 (4nm), thanks to superior chipset efficiency.

Nothing Phone (3a) alternatives

Tap above to see alternatives.

OnePlus Nord CE4

Infinix GT 30 Pro

Samsung Galaxy M56

Motorola Edge 60 Stylus

Redmi Note 13 Pro

Xiaomi 15 alternatives

Tap above to see alternatives.

Apple iPhone 15 Plus

Google Pixel 9 Pro XL

Samsung Galaxy S25 Ultra

OnePlus 12

Samsung Galaxy S25 Edge

Your comparison result will be shown here.

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

Snapdragon 8 Elite
3 nm
5240 mAh
90W
6.36"
1200 x 2670 pixels
50 MP
8K@24/30fps
Specs

Xiaomi 15

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, Circle to Search, AI Write, AI translate, AI Erase Pro, AI Summary and more

Body

Dimensions

163.5 x 77.5 x 8.4 mm

152.3 x 71.2 x 8.1 mm

Thickness

8.4 mm

8.1 mm

Weight

201 g

189 g

Build Details

Glass Back, , 3 LED light strips on the back

Aluminum Alloy 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

6.36 inches

Type

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

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

Refresh Rate

120 Hz

Peak Brightness

3000 nits

3200 nits

Resolution

1080 x 2392 pixels

1200 x 2670 pixels

Pixel Density

387 ppi

460 ppi

Aspect Ratio

20:9

Screen to Body Ratio

88.0 %

90.0 %

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 512GB (UFS 4.0)

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), 1/1.31", 1.2µm, OmniVision Light Fusion 900, dual pixel PDAF, OIS

50 MP
f/2.0, 60mm (telephoto), 1/2.76", 0.64µm, S5KJN5, PDAF (10cm - ∞), OIS, 2.6x optical zoom

50 MP
f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, Samsung S5KJN1

OIS

Yes

Features

LED flash, panorama, HDR

Laser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama

Video Recording

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

8K@24/30fps
4K@24/30/60fps
1080p@30/60/120/240/960fps
720p@1920fps

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

19 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N75, N77, N78

SIM 2

16 5G Bands

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

19 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N75, N77, N78

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

USB

USB Type-C 2.0, OTG

USB Type-C 3.2 Gen2, Display Port, OTG

Bluetooth

5.4

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

5000 mAh

5240 mAh

Type

Si/C Li-Ion

Removable

Wired charging

50W

90W

Charging Speed

50% in 19 min

Wireless Charging

50W

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

Colors and Pricing

Colors

Black, White, Blue

Black, White and Green

Price in India

₹23450

₹64998

FAQs

Which phone has better performance?

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

Which phone has a bigger battery and faster charging?

Xiaomi 15 features a larger 5240 mAh battery, potentially delivering better battery life. Xiaomi 15 also supports faster wired charging at 90W, compared to 50W on Nothing Phone (3a). Xiaomi 15 supports wireless charging at 50W, while Nothing Phone (3a) lacks this feature.

Which phone has better water and dust resistance?

Xiaomi 15 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 – Check price here

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