Asus Zenfone 11 Ultra vs Poco C81x

Asus Zenfone 11 Ultra
Asus
Zenfone 11 Ultra
Poco C81x
Poco
C81x

At a glance

Brand
Asus
POCO
Release date
March 2024, 2 years 2 months ago
April 2026, 1 months ago
AnTuTu
2.340.772 Antutu v11 Overall performance better than 95% of devices
308.681 Antutu v10 Overall performance better than 61% of devices

Display

Size
6.78"
6.88"
Resolution
1080 x 2400 px FHD+
720 x 1640 px HD+
Type
Super AMOLED
LCD IPS
Density
388 ppi High Density
260 ppi Medium Density
Aspect ratio
20:9
21:9
Features
Hole-punch Notch, External display type - Super AMOLED, 1-120 Hz refresh rate, 107% NTSC, Refresh rate 144 Hz, Max brightness HBM - 1600 cd/m², Peak brightness - 2500 cd/m², Always-On Display, HDR10+, DCI-P3, Full sRGB standard, sRGB standard, Scratch resistant, Corning Gorilla Glass Victus 2, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 450 cd/m² (typ), 1500:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless, In-cell

Performance

Chipset
Qualcomm Snapdragon 8 Gen3
Unisoc Tiger T615 (T7250)
CPU
1x3.3GHz Cortex X4 + 3x3.2 GHz Cortex A720 + 2x3.0 GHz Cortex A720 + 2x2.3 GHz Cortex A520
2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz
CPU type
Octa-Core
Octa-Core
Process
4 nm
12 nm
Frequency
3.3 GHz
1.8 GHz
GPU
Adreno 750
Mali-G57 MP1
RAM
12 GB
3 GB
RAM type
RAM LPDDR5X
LPDDR4X RAM
64-bit
Yes
Yes

Rear camera

Resolution
50 Mpx
13 Mpx
Aperture
ƒ/ 1.9
ƒ/ 2.0
Sensor
Sony IMX890
Pixel size
1.00 µm
Sensor size
1/1.56"
Flash
Dual LED
LED
Optical stabilization
Yes
No
Slow motion
Yes, 480 fps
No, 30 fps
Features
4K Video, 8K Video, Digital zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Gimbal, Autofocus, Touch focus, Continuous autofocus, Phase detection autofocus (PDAF), PDAF Omnidericional, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW
Digital zoom, Dual camera, Autofocus, Touch focus, 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
5200 mAh
Type
Li-Polymer
Li-Polymer
Fast charge
Yes , 65.0W
Yes , 15.0W
Wireless charging
15W wireless charging, 10W reverse wired
Features
Non-removable
Non-removable

Storage

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

Body

Dimensions
76.8 mm 163.8 mm 8.9 mm Print 3D Model
77.8 mm 171.8 mm 8.3 mm Print 3D Model
Weight
225 g
193 g
Materials
Plastic , Corning Gorilla Glass Victus 2
Plastic
Colors
Black Blue Gray Orange
Black Cyan
Water/dust resistance
IP68
Splash resistant
Usable surface
88 %
84 %

Software

Operating system
Android 14 Upside-down cake Android 14
Android 15 HyperOS 2.X (Android 15)
Updates
OS updates: 2 years, Security updates: 2 years
OS updates: 4 years, Security updates: 6 years
Google services
With Google Mobile Services
With Google Mobile Services

Connectivity

SIM
Dual SIM Dual Standby (Nano SIM + Nano SIM)
Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth
Bluetooth 5.4 LELow energy consumption
Bluetooth 5.2
Bluetooth profiles
AVRCP (Audio/Visual Remote Control Profile), HID (Human Interface Profile), LE (Low Energy), OPP (Object Push Profile), APT-x, LDAC, SBC, AAC
A2DP (Advanced Audio Distribution Profile)
Wi-Fi
802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 6E , WiFi 7 (802.11be)
802.11a , 802.11b , 802.11g , 802.11n , 802.11ac
Wi-Fi features
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
Wi-Fi Hotspot
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), n79 (4700)
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), B32 (1500), B34 (TDD 2100), 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), B8 (900), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500)
3G
B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900)
B1 (2100), B5 (850), B8 (900)
2G
B2 (1900), B3 (1800), B5 (850), B8 (900)
B3 (1800), B5 (850), B8 (900)

Sensors & security

Fingerprint
Yes, in screen
Yes, on the side
Accelerometer
Yes
Yes
Gyroscope
Yes
Proximity
Yes
Light sensor
Yes
Yes
Cooling system
Yes
No
Audio
Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 2 microphones

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Compared with Poco C81x

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