OPPO A55 vs Nothing Phone (3a) Specs Comparison

Availability

Officially announced
Oct 01, 2021	Mar 04, 2025
Prices (MSRP)
	8GB/128GB - €330 12GB/256GB - $379 | €379

Design

Dimensions
6.44 x 2.98 x 0.33 inches 163.6 x 75.7 x 8.4 mm (~9 mm with camera bump)	6.44 x 3.05 x 0.33 inches 163.52 x 77.5 x 8.35 mm
Weight
	7.09 oz / 201.0 g
Materials
	Back: Glass Frame: Plastic
Resistance
Splash	Water, Dust; IP64
Biometrics
Fingerprint (touch)	Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key, Other
Colors
Rainbow Blue, Starry Black, Green	Black, White, Blue

Display

Size
6.5-inch, 82.64% screen-to-body	6.8-inch, 87.32% screen-to-body
Type
IPS LCD, 550 nits	OLED, 120Hz, 3000 nits
Resolution
1600x720px, 20:9 ratio, 270 PPI	2392x1080px, 20:9 ratio, 388 PPI
Protection
NEG Dinorex	Panda Glass

PhoneArena Display Test

Bright Max (20% APL)
Untested	1184 (Average)
Bright Min
Untested	2.2 (Average)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Mediatek Helio G35 MT6765G (12 nm)	Snapdragon 7s Gen 3 SM7635 (4 nm)
Processor
Octa-core 2300 MHz	Octa-core 1x2.5GHz Cortex-A720 3x2.4​GHz Cortex-A720 4x1.8​GHz Cortex-A520
GPU
PowerVR GE8320	Adreno 710
Memory
4GB/64GB 4GB/128GB 6GB/128GB	8GB/128GB 12GB/256GB
Storage expansion
microSDXC	not expandable
OS
Android (11)	Android (15)

PhoneArena Performance Test

GeekBench 6 Single
Untested	1174
GeekBench 6 Multi
Untested	3337
3D Mark High
Untested	1060
3D Mark Low
Untested	1055

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5000 mAh	5000 mAh
Charging
Fast charging	Fast charging Reverse wired charging
Charge speed
Wired: 18.0W	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
50 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm	50 MP (OIS, PDAF) Aperture size: F1.9 Sensor size: 1/1.57"
Second camera
2 MP (Macro)	8 MP (Ultra-wide)
Third camera
2 MP (Depth information)	50 MP (Telephoto) Optical zoom: 2.0x Aperture size: F2.0 Sensor size: 1/2.74"
Flash
LED	LED
Video recording
Yes	4K UHD (30 fps), 1080p (120 fps)
Front
16 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
5.0	5.4
WLAN
dual-band Wi-Fi Direct, Hotspot 802.11 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, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, 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, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
	n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, SA, NSA, Sub-6
LTE Bands
1, 3, 5, 8	1, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 66
TDD Bands
38, 40, 41	38, 39, 40, 41, 42
3G Bands
1, 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

Discover more

Full Specs OPPO A55 Specs

Full Specs Nothing Phone (3a) Specs PA Review Nothing Phone (3a) Review