Asus Zenfone 12 Ultra vs Xiaomi Redmi 15 4G

Asus Zenfone 12 Ultra
Asus
Zenfone 12 Ultra
Xiaomi Redmi 15 4G
Xiaomi
Redmi 15 4G

At a glance

Brand
Asus
Xiaomi
Release date
February 2025, 1 years 3 months ago
August 2025, 9 months ago
AnTuTu
2.850.000 Antutu v10 Overall performance better than 97% of devices
338.000 Antutu v10 Overall performance better than 63% of devices

Display

Size
6.78"
6.9"
Resolution
1080 x 2400 px FHD+
1080 x 2340 px FHD+
Type
AMOLED SAMSUNG E6 Flexible
LCD IPS
Density
388 ppi High Density
374 ppi High 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)
Hole-punch Notch, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, Refresh rate 144 Hz, Brightnes 700 cd/m² (typ), TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, Capacitive, Multi-touch, Frameless

Performance

Chipset
Qualcomm Snapdragon 8 Elite
Qualcomm Snapdragon 685 (SM6225)
CPU
2x4.32 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
4x2.8 GHz Cortex A73 + 4x1.9GHz Cortex A53
CPU type
Octa-Core
Octa-Core
Process
3 nm
6 nm
Frequency
4.32 GHz
2.8 GHz
GPU
Adreno 830
Adreno 610
RAM
16 GB
6 GB
RAM type
RAM LPDDR5X
LPDDR4X RAM
64-bit
Yes
Yes

Rear camera

Resolution
50 Mpx
50 Mpx
Aperture
ƒ/ 1.9
ƒ/ 1.8
Sensor
Sony LYT-700C
Pixel size
1.00 µm
Sensor size
1/1.56"
Flash
LED
LED
Optical stabilization
Yes
No
Slow motion
Yes, 960 fps
Yes, 60 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, Triple camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, 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
ƒ/ 2.0
Sensor
Omnivision OV32C
Pixel size
0.70 µm

Battery

Capacity
5500 mAh
7000 mAh
Type
Li-Polymer
Li-Polymer
Fast charge
Yes , 65.0W
Yes , 33.0W
Wireless charging
15W wireless charging
Charge cycles
1200 cycles
1000 cycles
Runtime
~ 61h
~ 62h
Features
Wireless charging, Reverse charging, Non-removable
Non-removable

Storage

Capacity
512 GB
128 GB
Type
UFS Storage 4.0
UFS Storage 2.2
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
82.1 mm 171.1 mm 8.0 mm Print 3D Model
Weight
220 g
224 g
Materials
Aluminium alloy , Glass
Plastic
Colors
Black Green Violet
Black Silver Violet
Water/dust resistance
IP68
IP64
Drop resistance
Class A B C D E 45 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 %
83 %

Software

Operating system
Android 15 Android 15
Android 16 HyperOS 3.X (Android 16)
Updates
OS updates: 2 years, Security updates: 2 years
OS updates: 5 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 5.1 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), APT-x, LDAC, SBC, AAC
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), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G
B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
B1 (2100), 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
Yes
Proximity
Yes
Light sensor
Yes
Yes
Cooling system
Yes
Yes
Audio
Dolby Atmos, Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 3 microphones
Dolby Atmos

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Compared with Xiaomi Redmi 15 4G

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