Asus Zenfone 12 Ultra vs realme C75x

Asus Zenfone 12 Ultra
Asus
Zenfone 12 Ultra
realme C75x
realme
C75x

At a glance

Brand
Asus
realme
Release date
February 2025, 1 years 3 months ago
April 2025, 1 years 1 months ago
AnTuTu
2.850.000 Antutu v10 Overall performance better than 97% of devices
262.145 Antutu v10 Overall performance better than 60% of devices

Display

Size
6.78"
6.67"
Resolution
1080 x 2400 px FHD+
720 x 1604 px HD+
Type
AMOLED SAMSUNG E6 Flexible
LCD IPS
Density
388 ppi High Density
264 ppi Medium Density
Aspect ratio
20:9
21:9
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, TÜV Rheinland Flicker-free Certified, Refresh rate 120 Hz, Touch sampling rate 240 Hz, TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Performance

Chipset
Qualcomm Snapdragon 8 Elite
MediaTek Helio G81 Ultra
CPU
2x4.32 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
CPU type
Octa-Core
Octa-Core
Process
3 nm
12 nm
Frequency
4.32 GHz
2 GHz
GPU
Adreno 830
Mali-G52 MC2
RAM
16 GB
8 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, 120 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, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Front camera

Resolution
32 Mpx
5 Mpx
Aperture
ƒ/ 2.5
ƒ/ 2.2
Sensor
Omnivision OV32C
Pixel size
0.70 µm

Battery

Capacity
5500 mAh
5600 mAh
Type
Li-Polymer
Li-Polymer
Fast charge
Yes , 65.0W
Yes , 45.0W
Wireless charging
15W wireless charging
Charge cycles
1200 cycles
Runtime
~ 61h
Features
Wireless charging, Reverse charging, Non-removable
Non-removable

Storage

Capacity
512 GB
256 GB
Type
UFS Storage 4.0
eMMC 5.1 Storage
SD slot
No
Yes , Independent SD slot

Body

Dimensions
77.0 mm 163.8 mm 8.9 mm Print 3D Model
76.2 mm 165.7 mm 8.0 mm Print 3D Model
Weight
220 g
196 g
Materials
Aluminium alloy , Glass
Plastic , Glass
Colors
Black Green Violet
Blue Pink Green
Water/dust resistance
IP68
IP69
Drop resistance
Class A B C D E 45 drops without defects
Repairability
Class A B C D E
Usable surface
88 %
86 %

Software

Operating system
Android 15 Android 15
Android 15 RealmeUI 6.0 (Android 15)
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), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), 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
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, QZSS, 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), B13 (700), 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), B4 (1700/2100 AWS A-F), 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
DTS / DTS X, Stereo Speakers

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