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

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

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

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Nothing Phone (3a) Pro

Snapdragon 7s Gen 3
4 nm
5000 mAh
50W
6.77"
1080 x 2392 pixels
50 MP
4K@30fps
Specs

Realme 15 Pro

Snapdragon 7 Gen 4
4 nm
7000 mAh
80W
6.8"
1280 x 2800 pixels
50 MP
4K@30/60fps
Specs

Nothing Phone (3a) Pro

Realme 15 Pro

General

Launch Date

March 04, 2025

July 24, 2025

Availability

Available Now

July 29

Android 15

Custom UI

Nothing OS 3.1

Realme UI 6.0

OS Updates

3 Years

2 Years

Security Updates

6 Years

3 Years

AI Features

Circle to Search

AI Edit Genie, AI Party Mode, AI MagicGlow 2.0 and more

Body

Dimensions

163.5 x 77.5 x 8.4 mm

162.3 x 76.2 x 7.69 mm

Thickness

8.4 mm

7.69 mm

Weight

211 g

187 g

Build Details

Glass Back, , 3 LED light strips on the back

Plastic Frame, Plastic Back

IP Rating

IP64 (dust tight and water resistant)

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min), MIL-STD-810H compliant*, also IP68 rated)

Display

Size

6.77 inches

6.8 inches

Type

AMOLED, 1B colors, HDR10+ (typ), Ultra HDR image support

OLED, 1B colors, PWM

Refresh Rate

120 Hz

144 Hz

Peak Brightness

3000 nits

6500 nits

Resolution

1080 x 2392 pixels

1280 x 2800 pixels

Pixel Density

387 ppi

453 ppi

Aspect Ratio

20:9

19.5:9

Screen to Body Ratio

88.0 %

91.2 %

Protection

Gorilla Glass 7i

Performance

Chipset¹

Qualcomm Snapdragon 7s Gen 3

Qualcomm Snapdragon 7 Gen 4

Process Size

4 nm

CPU

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

Octa-core
1x2.8 GHz Cortex-720
4x2.4 GHz Cortex-720
3x1.8 GHz Cortex-520

GPU

Adreno 710 (940 MHz)

Adreno 722

RAM & Storage

8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
12GB 256GB (UFS 2.2)

8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)
12GB 512GB (UFS 3.1)

RAM Type

LPDDR4X

Expandable Memory

Camera

Main Camera

50 MP
f/1.9, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS

50 MP
f/2.6, 70mm (periscope telephoto) (15cm - ∞), 1/1.95", 0.8µm, PDAF, OIS, 3x optical zoom

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

50 MP
f/1.8, 24mm (wide), 1/1.56", 1µm, Sony IMX896, PDAF, OIS

50 MP
f/2.0, 116˚ (ultrawide), 1/2.8", 0.61µm, Omnivision OV50D

OIS

Yes

Features

LED flash, panorama, HDR

LED flash, HDR, panorama

Video Recording

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

4K@30/60fps
1080p@30/60/120fps, gyro-EIS, OIS

Selfie Camera

50 MP
f/2.2, 24mm (wide), 1/2.76"

50 MP
f/2.4, 87˚ (wide), 1/2.8", 0.6µm, Omnivision OV50D

Selfie Features

Panorama

Selfie Video Recording

4K@30fps
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

9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78

SIM 2

15 5G Bands

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

9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78

VoLTE

Yes

Wi-Fi

Wi-Fi 6

Wi-Fi Details

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

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

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

USB

USB Type-C 2.0, OTG

USB Type-C 2.0

Bluetooth

5.4

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

5000 mAh

7000 mAh

Type

Li-Ion

Removable

Wired charging

50W

80W

Charging Speed

50% in 19 min

50% in 25 min

Wireless Charging

Reverse Wireless Charging

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 optical fingerprint sensor, accelerometer, gyroscope, proximity, compass

Colors and Pricing

Colors

Black, Gray

Flowing Silver, Silk Purple, Velvet Green

Price in India

₹28078

₹31999

FAQs

Which phone has better performance?

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

Which phone offers longer software support?

Nothing Phone (3a) Pro offers 3 years of OS updates, whereas Realme 15 Pro provides 2 years. For security updates, Nothing Phone (3a) Pro offers 6 years of support compared to Realme 15 Pro's 3 years.

Which phone has a better display?

Both Nothing Phone (3a) Pro and Realme 15 Pro feature AMOLED displays, offering vibrant colors and deeper blacks. In terms of smoothness, Realme 15 Pro offers a higher 144 Hz refresh rate, ensuring fluid scrolling and animations. Realme 15 Pro also boasts a brighter screen with 6500 nits of peak brightness, enhancing outdoor visibility. Notably, Realme 15 Pro offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Realme 15 Pro features a larger 7000 mAh battery, potentially delivering better battery life. Realme 15 Pro also supports faster wired charging at 80W, compared to 50W on Nothing Phone (3a) Pro.

Which phone has better water and dust resistance?

Realme 15 Pro offers better protection against water and dust with an IP69 rating.

Can I buy these phones on Amazon?

Nothing Phone (3a) Pro – Check price here

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