HMD Skyline vs Nothing Phone (3a) 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.

	6.4
HMD Skyline	Nothing Phone (3a)
Released · Jul 19, 2024	Released · Mar 11, 2025
6.5-inch · 2400x1080px	6.8-inch · 2392x1080px
Triple camera	Triple camera
8GB · 128GB	8GB · 128GB
4600 mAh	5000 mAh
Check prices	Check prices

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 8.35 mm
Weight
7.37 oz (209.0 g)	7.09 oz (201.0 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	Black, White, Blue

Display

Size
6.5-inch	6.8-inch
Resolution
2400x1080px, 20:9 ratio, 402 PPI	2392x1080px, 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	Octa-core 1x 2.5GHz Cortex-A720 + 3x 2.4GHz Cortex-A720 + 4x 1.8GHz Cortex-A520
GPU
Adreno 710	Adreno 710
RAM
8GB	8GB
Internal storage
128GB	128GB
Storage expansion
microSDXC	not expandable
OS
Android (14)	Android (15)

Battery

Capacity
4600 mAh	5000 mAh
Charging
Fast charging, Qi wireless charging, Reverse wireless charging	Fast charging, Reverse wired charging
Charge speed
Wired: 33.0W Wireless: 15.0W	Wired: 50.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

7h 38min

Browsing

17h 4min

Video

11h 6min

Gaming

11h 21min

Camera

Rear
Triple camera	Triple camera
Main camera
108 MP (OIS, PDAF)	50 MP (OIS, PDAF) Aperture size: F1.9 Sensor size: 1/1.57"
Second camera
13 MP (Ultra-wide)	8 MP (Ultra-wide)
Third camera
50 MP (Telephoto, PDAF) Optical zoom: 2.0x	50 MP (Telephoto) Optical zoom: 2.0x Aperture size: F2.0 Sensor size: 1/2.74"
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	32 MP

N/A

Overall

N/A

Photo

N/A

Video

126

Overall

135

Photo

117

Video

Connectivity & Features

Bluetooth
5.2	5.4
WLAN
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, USB 2.0	Type-C
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

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

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

Buyers information

MSRP
	$ 379
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

With 12GB RAM and 256GB internal storage


RAM	12GB
Internal storage	256GB

Links

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