Nothing Phone (3a) Pro vs OnePlus Open – Price, Specs & Features

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

In this comparison, the OnePlus Open with the Snapdragon 8 Gen 2 (4 nm) performs better than the Nothing Phone (3a) Pro with the Snapdragon 7s Gen 3 (4 nm), thanks to its more efficient chipset.

Nothing Phone (3a) Pro alternatives

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OnePlus Open alternatives

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Vivo X Fold3 Pro

Tecno Phantom V Flip2

Samsung Galaxy Z Fold6

Tecno Phantom V Fold2

Google Pixel 9 Pro Fold

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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

OnePlus Open

Snapdragon 8 Gen 2
4 nm
4805 mAh
67W
7.82"
2268x2440 pixels
48 MP
4K@30/60fps

Nothing Phone (3a) Pro Comparison & Specs

OnePlus Open

General

Launch Date

March 04, 2025

October 19, 2023

Availability

Available Now

Android 15

Android 13

Custom UI

Nothing OS 3.1

OxygenOS 14

OS Updates

3 Years

4 Years

Security Updates

6 Years

5 Years

AI Features

Circle to Search

AI Eraser

Body

Folded Dimensions

163.5 x 77.5 x 8.4 mm

153.4 x 73.3 x 11.7 mm

Folded Thickness

8.4 mm

11.7 mm

UnFolded Dimensions

153.4 x 143.1 x 5.8 mm

UnFolded Thickness

5.8 mm

Weight

211 g

239 g

Build Details

Glass Back, , 3 LED light strips on the back

Mineral Glass, Plastic Front (unfolded), Aluminum Frame

IP Rating

IP64 (dust tight and water resistant)

IPX4

Display

Size

6.77 inches

7.82 inches

Type

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

Foldable LTPO3 Flexi-fluid AMOLED

Refresh Rate

120 Hz

Peak Brightness

3000 nits

2800 nits

Resolution

1080 x 2392 pixels

2268x2440 pixels

Pixel Density

387 ppi

426 ppi

Aspect Ratio

20:9

Screen to Body Ratio

88.0 %

89.6 %

Cover Display

Size

6.31 inches

Type

Dolby Vision

Refresh Rate

120 Hz

Peak Brightness

2800 nits

Resolution

1116 x 2484 pixels

Pixel Density

431 ppi

Aspect Ratio

20:9

Performance

Chipset

Qualcomm Snapdragon 7s Gen 3

Qualcomm Snapdragon 8 Gen 2

Process Size

4 nm

CPU

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

Octa-core
1x3.2 GHz Cortex-X3
2x2.8 GHz Cortex-A715
2x2.8 GHz Cortex-A710
3x2.0 GHz Cortex-A510

GPU

Adreno 710 (940 MHz)

Adreno 740

RAM & Storage

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

16GB 512GB (UFS 4.0)

RAM Type

LPDDR4X

LPDDR5X

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

48 MP
f/1.7, 24mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS

64 MP
f/2.6, 70mm (telephoto), 1/2.0", 0.7µm, PDAF, OIS, 3x optical zoom

48 MP
f/2.2, 14mm, 114˚ (ultrawide), 1/2.0", 0.8µm, PDAF

OIS

Yes

Features

LED flash, panorama, HDR

Hasselblad Color Calibration, LED flash, HDR, panorama, Digital Zoom, Auto Flash, Face detection, Filters, Touch to focus, Fixed Focus

Video Recording

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

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

Video Recording Features

gyro-EIS, HDR10+, Dolby Vision, Dual Video Recording, Slo-motion, Ultra Steady Video, Video HDR, Video Pro Mode

Selfie Camera

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

20MP
f/2.2, 20mm (ultrawide), 1/4.0", 0.7µm

Selfie Features

HDR

Selfie Video Recording

4K@30fps
1080p@30fps

Cover Camera

32MP
f/2.4, 22mm (ultrawide), 1/3.14", 0.7µm

Connectivity

SIM

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

SIM 1 5G Bands

16 Bands

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

19 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N28, N30
TDD: N38, N40, N41, N66, N71, N75, N77, N78

SIM 2 5G Bands

15 Bands

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

19 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N28, N30
TDD: N38, N40, N41, N66, N71, 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

Mobile Hotspot

USB

USB Type-C 2.0, OTG

USB Type-C 3.1, OTG

Bluetooth

5.4

5.3

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5000 mAh

4805 mAh

Type

Li-Polymer

Removable

Wired charging

50W

67W

Charging Speed

50% in 19 min

100% in 42 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

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Colors and Pricing

Colors

Black, Gray

Emerald Dusk, Voyager Black

Price in India

₹29999

₹139999

FAQs

Which phone has better performance?

In this comparison, the OnePlus Open with the Qualcomm Snapdragon 8 Gen 2 (4nm) performs better than the Nothing Phone (3a) Pro with the Qualcomm Snapdragon 7s Gen 3 (4nm), thanks to its more efficient chipset.

Which phone offers longer software support?

The OnePlus Open offers 4 years of OS updates, while the Nothing Phone (3a) Pro provides 3 years. When it comes to security updates, Nothing Phone (3a) Pro leads with 6 years of support.

Which phone has a better display?

Both phones feature AMOLED displays. They have the same 120 Hz refresh rate. Nothing Phone (3a) Pro also has a brighter display with 3000 nits, improving outdoor visibility. Notably, OnePlus Open has a higher resolution display, resulting in sharper visuals.

Which phone has a bigger battery and faster charging?

Nothing Phone (3a) Pro has a larger 5000 mAh battery for longer usage. OnePlus Open supports faster wired charging at 67W.

Which phone has better water and dust resistance?

Nothing Phone (3a) Pro offers better water and dust resistance with an IP64 rating.