Asus Zenfone 12 Ultra vs Ulefone Note 21

Asus Zenfone 12 Ultra
Asus
Zenfone 12 Ultra
Ulefone Note 21
Ulefone
Note 21

At a glance

Brand
Asus
Ulefone
Release date
February 2025, 1 years 3 months ago
January 2025, 1 years 4 months ago
AnTuTu
2.850.000 Antutu v10 Overall performance better than 97% of devices
251.000 Antutu v10 Overall performance better than 59% of devices

Display

Size
6.78"
6.56"
Resolution
1080 x 2400 px FHD+
720 x 1612 px HD+
Type
AMOLED SAMSUNG E6 Flexible
LCD IPS
Density
388 ppi High Density
269 ppi Medium Density
Aspect ratio
20:9
20:9
Features
Hole-punch Notch, 1-120 Hz refresh rate, Refresh rate 144 Hz, Max brightness HBM - 1600 cd/m², Peak brightness - 2500 cd/m², Always-On Display, HDR10+, DCI-P3, 10 Bits panel, Scratch resistant, Corning Gorilla Glass Victus 2, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Performance

Chipset
Qualcomm Snapdragon 8 Elite
Unisoc Tiger T606
CPU
2x4.32 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
CPU type
Octa-Core
Octa-Core
Process
3 nm
12 nm
Frequency
4.32 GHz
1.6 GHz
GPU
Adreno 830
ARM Mali-G57
RAM
16 GB
4 GB
RAM type
RAM LPDDR5X
LPDDR4X RAM
64-bit
Yes
Yes

Rear camera

Resolution
50 Mpx
13 Mpx
Aperture
ƒ/ 1.9
ƒ/ 2.2
Sensor
Sony LYT-700C
Samsung S5K3L6
Pixel size
1.00 µm
1.12 µm
Sensor size
1/1.56"
1/3.1"
Flash
LED
LED
Optical stabilization
Yes
No
Slow motion
Yes, 960 fps
No, 30 fps
Features
Flicker sensor, Noise reduction, 4K Video, 8K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Gimbal, 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, RAW, Night Mode
Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Front camera

Resolution
32 Mpx
8 Mpx
Aperture
ƒ/ 2.5
Unknow
Sensor
Omnivision OV32C
Pixel size
0.70 µm

Battery

Capacity
5500 mAh
5000 mAh
Type
Li-Polymer
Li-Polymer
Fast charge
Yes , 65.0W
Yes , 10.0W
Wireless charging
15W wireless charging
Charge cycles
1200 cycles
1000 cycles
Runtime
~ 61h
~ 47h
Features
Wireless charging, Reverse charging, Non-removable
Non-removable

Storage

Capacity
512 GB
128 GB
Type
UFS Storage 4.0
SD slot
No
Yes , Slot for SD or second SIM card

Body

Dimensions
77.0 mm 163.8 mm 8.9 mm Print 3D Model
75.2 mm 163.2 mm 9.2 mm Print 3D Model
Weight
220 g
196 g
Materials
Aluminium alloy , Glass
Plastic
Colors
Black Green Violet
Black Violet
Water/dust resistance
IP68
Drop resistance
Class A B C D E 45 drops without defects
Class A B C D E 113 drops without defects
Repairability
Class A B C D E
Class A B C D E
Usable surface
88 %
84 %

Software

Operating system
Android 15 Android 15
Android 14 Upside-down cake Android 14
Updates
OS updates: 2 years, Security updates: 2 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 5.4 LELow energy consumption
Bluetooth 5.0 LELow energy consumption
Bluetooth profiles
A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
A2DP (Advanced Audio Distribution Profile), HID (Human Interface 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), n18 (850), n20 (800), n25 (1900), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), 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), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B43 (TDD 3700), B48 (TDD 3600), B66 (1700/2100)
B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), 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), B5 (850), B8 (900)
2G
B2 (1900), B3 (1800), B5 (850), B8 (900)
B2 (1900), B3 (1800), B5 (850), B8 (900)

Sensors & security

Fingerprint
Yes, in screen
Yes, on the side
Accelerometer
Yes
Yes
Gyroscope
Yes
Proximity
Yes
Yes
Light sensor
Yes
Yes
Cooling system
Yes
No
Audio
Dolby Atmos, Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 3 microphones

Compared with Asus Zenfone 12 Ultra

  • Asus
    Zenfone 12 Ultra
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
    Asus Zenfone 12 Ultra
    Asus Rog Phone 9 FE
    Asus
    Rog Phone 9 FE
    16 GB · 6.78" · Qualcomm Snapdragon 8 Gen3
    View comparison
  • Asus
    Zenfone 12 Ultra
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
    Asus Zenfone 12 Ultra
    Asus Rog Phone 9 Pro
    Asus
    Rog Phone 9 Pro
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
    View comparison
  • Asus
    Zenfone 12 Ultra
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
    Asus Zenfone 12 Ultra
    Asus Zenfone 10
    Asus
    Zenfone 10
    8 GB · 5.92" · Qualcomm Snapdragon 8 Gen2
    View comparison
  • Asus
    Zenfone 12 Ultra
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
    Asus Zenfone 12 Ultra
    Alcatel 3 (2025)
    Alcatel
    3 (2025)
    3 GB · 6.52" · Spreadtrum Unisoc SC9863A
    View comparison
  • Asus
    Zenfone 12 Ultra
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
    Asus Zenfone 12 Ultra
    Blackview FORT1
    Blackview
    FORT1
    4 GB · 6.56" · Unisoc Tiger T615 (T7250)
    View comparison
  • Asus
    Zenfone 12 Ultra
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
    Asus Zenfone 12 Ultra
    agm X6
    agm
    X6
    8 GB · 6.78" · Unisoc Tiger T750
    View comparison
  • Asus
    Zenfone 12 Ultra
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
    Asus Zenfone 12 Ultra
    Blackview BV6200 Plus
    Blackview
    BV6200 Plus
    8 GB · 6.56" · Unisoc Tiger T606
    View comparison
  • Asus
    Zenfone 12 Ultra
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
    Asus Zenfone 12 Ultra
    Blackview BV8100
    Blackview
    BV8100
    8 GB · 6.5" · MediaTek Helio G99 (MT6789)
    View comparison
  • Asus
    Zenfone 12 Ultra
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
    Asus Zenfone 12 Ultra
    Apple iPhone 15 Pro Max
    Apple
    iPhone 15 Pro Max
    8 GB · 6.7" · Apple A17 Bionic
    View comparison

Compared with Ulefone Note 21

  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
    Ulefone Note 21
    Ulefone Rugking 4 Pro
    Ulefone
    Rugking 4 Pro
    8 GB · 6.56" · Unisoc Tiger T615 (T7250)
    View comparison
  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
    Ulefone Note 21
    Ulefone Armor X31 Pro 5G
    Ulefone
    Armor X31 Pro 5G
    8 GB · 6.56" · MediaTek Dimensity 6300
    View comparison
  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
    Ulefone Note 21
    Ulefone Armor 23 Ultra
    Ulefone
    Armor 23 Ultra
    12 GB · 6.78" · МеdiаТеk Dimеnsity 8020
    View comparison
  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
    Ulefone Note 21
    Blackview OSCAL TIGER 8 5G
    Blackview
    OSCAL TIGER 8 5G
    8 GB · 6.88" · Unisoc Tiger T760 / T8100
    View comparison
  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
    Ulefone Note 21
    Blackview Oscal Pilot 3 5G
    Blackview
    Oscal Pilot 3 5G
    12 GB · 6.78" · MediaTek Dimensity 6300
    View comparison
  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
    Ulefone Note 21
    Asus Rog Phone 8
    Asus
    Rog Phone 8
    12 GB · 6.78" · Qualcomm Snapdragon 8 Gen3
    View comparison
  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
    Ulefone Note 21
    coolpad C16
    coolpad
    C16
    4 GB · 6.75" · Unisoc Tiger T606
    View comparison
  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
    Ulefone Note 21
    Apple iPhone 15 Plus
    Apple
    iPhone 15 Plus
    6 GB · 6.7" · Apple A16 Bionic APL1W10
    View comparison
  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
    Ulefone Note 21
    blu G73
    blu
    G73
    4 GB · 6.8" · Unisoc Tiger T606
    View comparison