HMD Skyline vs Nothing Phone (3a) Pro Specs Comparison

Display

Size
6.5-inch	6.8-inch
Resolution
2400 x 1080 px, 20:9 ratio, 402 PPI	2392 x 1080 px, 20:9 ratio, 388 PPI
Technology
P-OLED	OLED
Refresh rate
144Hz	120Hz
Screen-to-body
85.65 %	87.32 %
Peak brightness
1000 cd/m2 (nit)	3000 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Panda Glass), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 7s Gen 2 SM7435-AB (4 nm)	Qualcomm Snapdragon 7s Gen 3 SM7635 (4 nm)
Processor
Octa-core, 4x 2.40GHz Cortex-A78 + 4x1.95 GHz Cortex-A55, 64-bit	Octa-core, 1x 2.5GHz Cortex-A720 + 3x 2.4GHz Cortex-A720 + 4x 1.8GHz Cortex-A520, 64-bit
GPU
Adreno 710	Adreno 710
RAM
8GB	12GB
Internal storage
128GB	256GB, not expandable
Storage expansion
microSDXC
OS
Android (14)	Android (15)
Device type
Smartphone	Smartphone

Battery

Capacity
4600 mAh	5000 mAh
Type
	Not user replaceable
Charging
Fast charging, Qi wireless charging, Reverse wireless charging	Fast charging, Reverse wired charging
Max charge speed
Wired: 33.0W Wireless: 15.0W	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

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Triple camera	Triple camera
Main camera
108 MP (OIS, PDAF)	50 MP (OIS, PDAF) Specifications: Aperture size: F1.9 Sensor size: 1/1.56"
Second camera
50 MP (Telephoto, PDAF) Specifications: Optical zoom: 2.0x	50 MP (Periscope) Specifications: Optical zoom: 3.0x Aperture size: F2.5
Third camera
13 MP (Ultra-wide)	8 MP (Ultra-wide) Specifications: Aperture size: F2.2
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps)	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps)
Front
50 MP	50 MP

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

135

Overall

148

Photo

122

Video

Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
6.29 x 2.98 x 0.35 inches (159.8 x 75.7 x 8.9 mm)	6.44 x 3.05 x 0.33 inches (163.52 x 77.5 x 8.39 mm)
Weight
7.37 oz(209.0 g)	7.44 oz(211.0 g)
Materials
Back: Glass Frame: Aluminum	Back: Glass Frame: Plastic
Resistance
Yes; IP54	Water, Dust; IP64
Biometrics
Fingerprint (touch)	Optical in-screen fingerprint
Keys
	Left: Volume control; Right: Lock/Unlock key, Other
Colors
Neon Pink, Twisted Black	Grey, Black

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, SA, NSA	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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 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), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	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
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
5.2	5.4
Wi-Fi
802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E 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 2.0, 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, Barometer	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

Alternative variants

With 12GB RAM and 256GB internal storage

RAM	12GB
Internal storage	256GB

Links

Full specifications
HMD Skyline Specs	Nothing Phone (3a) Pro Specs
PhoneArena Review
	Nothing Phone (3a) Pro Review