HMD Skyline vs Nothing Phone (3a) Specs Comparison

Availability

Officially announced
	Mar 04, 2025
Prices (MSRP)
	$379

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, 85.65% screen-to-body	6.8-inch, 87.32% screen-to-body
Type
P-OLED, 144Hz, HDR, 1000 nits	OLED, 120Hz, 3000 nits
Resolution
2400x1080px, 20:9 ratio, 402 PPI	2392x1080px, 20:9 ratio, 388 PPI
Protection
Corning Gorilla Glass 3	Panda Glass

Hardware

System chip
Snapdragon 7s Gen 2 SM7435-AB (4 nm)	Snapdragon 7s Gen 3 SM7635 (4 nm)
Processor
Octa-core 4x2.40GHz Cortex-A78 4x1.95 GHz Cortex-A55	Octa-core 1x2.5GHz Cortex-A720 3x2.4​GHz Cortex-A720 4x1.8​GHz Cortex-A520
GPU
Adreno 710	Adreno 710
Memory
8GB/128GB 12GB/256GB	8GB/128GB 12GB/256GB
Storage expansion
microSDXC	not expandable
OS
Android (14)	Android (15)

Battery

Type
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

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

7h 38min

Browsing

17h 4min

Video

11h 6min

Gaming

11h 21min

Learn more on our PhoneArena Battery Test Results page

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
4K UHD (30 fps), 1080p (30 fps)	4K UHD (30 fps), 1080p (120 fps)
Front
50 MP	32 MP

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

126

Overall

135

Photo

117

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.2	5.4
WLAN
a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	a,b,g,n,ac,Wi-Fi 6 Multiple antennas, MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
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	n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, SA, NSA, Sub-6
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71	1, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 66
4G (TDD) Bands
38, 40, 41	38, 39, 40, 41, 42
3G Bands
1, 2, 4, 5, 8	1, 4, 5, 6, 8, 19
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM	Dual Nano SIM

Alternative variants

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB

Links

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