OnePlus Open 2 vs Nothing Phone (3a) Pro Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

6.3
Nothing Phone (3a) Pro
OnePlus Open 2 Nothing Phone (3a) Pro
Not announced · No information
Released · Mar 25, 2025
7.8-inch · 2268 x 2440 px
6.8-inch · 2392 x 1080 px
48 MP Main · 32 MP Selfie
50 MP Main · 50 MP Selfie
16GB · 512GB
12GB · 256GB
5700 mAh
5000 mAh
Check prices

Display

Size
7.8-inch 6.8-inch
Resolution
2268 x 2440 px, 426 PPI 2392 x 1080 px, 20:9 ratio, 388 PPI
Technology
AMOLED OLED
Refresh rate
120Hz 120Hz
Screen-to-body
87.32 %
Peak brightness
3000 cd/m2 (nit)
Features
Folding inside the device, HDR support, Ambient light sensor, Proximity sensor Scratch-resistant glass (Panda Glass), Ambient light sensor, Proximity sensor
Front cover display
6.3 inches
2484 x1116 px
AMOLED
120Hz refresh rate, HDR support

Hardware

System chip
Qualcomm Snapdragon 8 Elite SM8550 (4 nm) Qualcomm Snapdragon 7s Gen 3 SM7635 (4 nm)
Processor
Octa-core Octa-core, 1x 2.5GHz Cortex-A720 + 3x 2.4GHz Cortex-A720 + 4x 1.8GHz Cortex-A520, 64-bit
GPU
Yes Adreno 710
RAM
16GB 12GB
Internal storage
512GB (UFS 4.0), not expandable 256GB, not expandable
OS
Android (15) Android (15)
Device type
Smartphone Smartphone

Battery

Capacity
5700 mAh 5000 mAh
Type
Not user replaceable Not user replaceable
Charging
Fast charging, Reverse wired charging Fast charging, Reverse wired charging
Max charge speed
Wired: 67.0W Wired: 50.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
7h 15min
Browsing
16h 13min
Video
10h 26min
Gaming
11h 6min

Camera

Rear
Triple camera Triple camera
Main camera
48 MP (OIS, PDAF)
Specifications:
Aperture size: F1.7
Focal length: 24 mm
Pixel size: 1.12 μm
50 MP (OIS, PDAF)
Specifications:
Aperture size: F1.9
Sensor size: 1/1.56"
Second camera
64 MP (Telephoto, OIS, PDAF)
Specifications:
Optical zoom: 3.0x
Aperture size: F2.6
Focal Length: 70 mm
Sensor size: 1/2"
Pixel size: 0.7 μm
50 MP (Periscope)
Specifications:
Optical zoom: 3.0x
Aperture size: F2.5
Third camera
48 MP (Ultra-wide, PDAF)
Specifications:
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Flash
LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps) 3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps)
Front
32 MP
Folded: 20 MP
50 MP
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
135
Overall
148
Photo
122
Video

Design

Dimensions
6.44 x 3.05 x 0.33 inches
(163.52 x 77.5 x 8.39 mm)
Weight
7.44 oz(211.0 g)
Materials
Back: Glass
Frame: Plastic
Resistance
Yes; IPX4 Water, Dust; IP64
Biometrics
Fingerprint (touch) Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key, Other
Colors
Grey, Black

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n30, n38, n40, n41, n66, n71, n75, n77, n78, SA, NSA, Sub-6 Bands n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, SA, NSA, Sub-6
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600) Bands 1(2100), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900), 19(800) Bands 1(2100), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM Dual Nano SIM

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Screen mirroring
Wireless screen share Wireless screen share
Additional microphone(s)
Noise cancellation Noise cancellation

Connectivity & Features

Bluetooth
5.3 5.4
Wi-Fi
802.11 b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 7,Wi-Fi 6E,ad
Wi-Fi Direct, Hotspot
802.11 a,b,g,n,ac,ax(Wi-Fi 6)
Multiple antennas, MIMO, Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.1, Features: Charging Type-C (reversible), Features: Charging
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers) Accelerometer, Gyroscope, Compass
Other
NFC NFC

Buyers information

MSRP
$ 459
In The Box
Phone, Type-C cable, SIM ejector, Paperwork

Availability

Officially announced
Mar 04, 2025
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