Nothing Phone (3) vs Ulefone Armor 21

Nothing Phone (3)
Nothing
Phone (3)
Ulefone Armor 21
Ulefone
Armor 21

At a glance

Brand
Nothing
Ulefone
Release date
July 2025, 11 months ago
May 2023, 3 years 1 months ago
Launch price
€ 799.00 ($ 936.69)
AnTuTu
2.084.000 Antutu v10 Overall performance better than 94% of devices
411.900 Antutu v10 Overall performance better than 68% of devices

Display

Size
6.67"
6.58"
Resolution
1260 x 2800 px QHD
1080 x 2408 px FHD+
Type
AMOLED
LCD IPS
Density
460 ppi Very high density
367 ppi High Density
Aspect ratio
20:9
20:9
Features
Hole-punch Notch, SGS Certified, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, 2160 Hz PWM, Refresh rate 120 Hz, Brightnes 700 cd/m² (typ), Max brightness HBM - 1600 cd/m², Peak brightness - 4500 cd/m², 1000000:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, 10 Bits panel, Dolby Vision, Scratch resistant, Corning Gorilla Glass 7i, Capacitive, Multi-touch, Frameless
Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Color LED Notifications, Scratch resistant, Capacitive, Multi-touch, Oleophobic coating

Performance

Chipset
Qualcomm Snapdragon 8s Gen4
MediaTek Helio G99 (MT6789)
CPU
1x 3.21 GHz – Cortex X4 + 3x 3 GHz – Cortex A720 + 2x 2.8 GHz – Cortex A720 + 2x 2.02 GHz – Cortex A720
2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz
CPU type
Octa-Core
Octa-Core
Process
4 nm
6 nm
Frequency
4.32 GHz
2.2 GHz
GPU
Adreno 825
Mali-G57 MC2
RAM
12 GB
8 GB
RAM type
RAM LPDDR5X
LPDDR4X RAM
64-bit
Yes
Yes

Rear camera

Resolution
50 Mpx
64 Mpx
Aperture
ƒ/ 1.69
ƒ/ 1.9
Sensor
Omnivision OV50H
Sony IMX686 Exmor RS
Pixel size
1.20 µm
0.80 µm
Sensor size
1/1.28"
1/1.7"
Flash
LED
Dual LED
Optical stabilization
Yes
No
Slow motion
Yes, 240 fps
No, 30 fps
Features
Noise reduction, 4K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode
Digital zoom, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Front camera

Resolution
50 Mpx
16 Mpx
Aperture
ƒ/ 2.2
ƒ/ 2.2
Sensor
Samsung S5KJN1
Sony IMX481
Pixel size
0.64 µm
1.00 µm

Battery

Capacity
5150 mAh
9600 mAh
Type
Si-Carbon Li-Ion
Li-Ion
Fast charge
Yes , 65.0W
Yes , 33.0W
Wireless charging
15W wireless charging, 7.5W reverse wired charging, 5W reverse wired charging
Charge cycles
1400 cycles
1000 cycles
Runtime
~ 56h
~ 90h
Features
Reverse charging, Non-removable
Non-removable

Storage

Capacity
256 GB
256 GB
Type
UFS Storage 4.0
UFS Storage 2.1
SD slot
No
Yes , Independent SD slot

Body

Dimensions
75.6 mm 160.6 mm 9.0 mm Print 3D Model
81.6 mm 176.0 mm 18.1 mm Print 3D Model
Weight
218 g
400 g
Materials
Glass , Aluminium
Rugged Smartphone, Polycarbonate
Colors
Black White
Black
Water/dust resistance
IP68
IP68, IP69 , MIL-STD-810H
Drop resistance
Class A B C D E 90 drops without defects
Class A B C D E 270 drops without defects
Repairability
Class A B C D E
Class A B C D E
Usable surface
88 %
77 %

Software

Operating system
Android 15 Android 15
Android 13 Tiramisu Android 13
Updates
OS updates: 5 years, Security updates: 7 years
Google services
With Google Mobile Services
With Google Mobile Services

Connectivity

SIM
Dual SIM Dual Standby (Nano SIM + Nano SIM / eSIM)
Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth
Bluetooth 6.0 LELow energy consumption
Bluetooth 5.2 LELow energy consumption
Bluetooth profiles
A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
Wi-Fi
802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 7 (802.11be)
802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB
USB Type-C
USB Type-C
USB features
Charging, OTG
Charging, OTG
Navigation
GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)
GPS, A-GPS, GLONASS, Beidou, Galileo

Networks

5G
n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700), n30 (2300), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n71 (600), n77 (3700), n78 (3500)
4G LTE
B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B30 (2300), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100), B71 (600)
B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
3G
B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G
B2 (1900), B3 (1800), B5 (850), B8 (900)
CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)

Sensors & security

Fingerprint
Yes, in screen
Yes, on the side
Accelerometer
Yes
Yes
Gyroscope
Yes
Yes
Proximity
Yes
Yes
Light sensor
Yes
Yes
Cooling system
Yes
No
Audio
Stereo Speakers, 2 microphones
Barometer
Yes
Compass
Yes

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