Poco C81x vs Vivo X300 Ultra

Poco C81x
Poco
C81x
Vivo X300 Ultra
Vivo
X300 Ultra

At a glance

Brand
POCO
vivo
Release date
April 2026, 1 months ago
March 2026, 2 months ago
AnTuTu
308.681 Antutu v10 Overall performance better than 61% of devices
4.010.000 Antutu v11 Overall performance better than 99% of devices
Launch price
CN¥ 6,999.00 ($ 1,023.80)

Display

Size
6.88"
6.83"
Resolution
720 x 1640 px HD+
1440 x 3168 px WQHD+
Type
LCD IPS
AMOLED Q10 Plus 8T
Density
260 ppi Medium Density
511 ppi Very high density
Aspect ratio
21:9
20:9
Features
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
Hole-punch Notch, 1-144 Hz refresh rate, Refresh rate 144 Hz, Variable refresh rate VRR, Peak brightness - 4500 cd/m², Max brightness HBM - 1800 cd/m², 8000000:1 contrast ratio, HDR10+, DCI-P3, DC dimming, 10 Bits panel, Dolby Vision, Scratch resistant, AGC glass, Armor glass, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)

Performance

Chipset
Unisoc Tiger T615 (T7250)
Qualcomm Snapdragon 8 Elite Gen 5
CPU
2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz
2x4.61 GHz ARM + 6x3.63 GHz ARM
CPU type
Octa-Core
Octa-Core
Process
12 nm
3 nm
Frequency
1.8 GHz
4.61 GHz
GPU
Mali-G57 MP1
Adreno 840 1.2 GHz
RAM
3 GB
12 GB
RAM type
LPDDR4X RAM
RAM LPDDR5X
64-bit
Yes
Yes

Rear camera

Resolution
13 Mpx
200 Mpx
Aperture
ƒ/ 2.0
ƒ/ 1.69
Flash
LED
LED
Optical stabilization
No
Yes
Slow motion
No, 30 fps
Yes, 960 fps
Features
Digital zoom, Dual camera, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
Flicker sensor, Night Mode 2.0, Noise reduction, Time-Lapse, 4K Video, 8K Video, Digital zoom, Optical zoom, Quadruple 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
Sensor
Sony LYT-901
Pixel size
0.70 µm
Sensor size
1/1.12"

Front camera

Resolution
8 Mpx
50 Mpx
Aperture
ƒ/ 2.0
ƒ/ 2.5

Battery

Capacity
5200 mAh
7000 mAh
Type
Li-Polymer
Si-Carbon Li-Ion
Fast charge
Yes , 15.0W
Yes , 100.0W
Features
Non-removable
Bypass Charging, Wireless charging, Reverse charging, Non-removable
Wireless charging
50W wireless fast charging
Charge cycles
1200 cycles
Runtime
~ 57h

Storage

Capacity
64 GB
256 GB
Type
eMMC 5.1 Storage
UFS Storage 4.1
SD slot
Yes , Independent SD slot
No

Body

Dimensions
77.8 mm 171.8 mm 8.3 mm Print 3D Model
76.8 mm 163.0 mm 8.2 mm Print 3D Model
Weight
193 g
232 g
Materials
Plastic
Glass , Titanium-aluminium alloy
Colors
Black Cyan
Black Silver Green
Water/dust resistance
Splash resistant
IP68, IP69
Usable surface
84 %
90 %
Drop resistance
Class A B C D E 180 drops without defects
Repairability
Class A B C D E

Software

Operating system
Android 15 HyperOS 2.X (Android 15)
Android 16 OriginOS 6 (Android 16)
Updates
OS updates: 4 years, Security updates: 6 years
OS updates: 5 years, Security updates: 5 years
Google services
With Google Mobile Services
Without Google Mobile services

Connectivity

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

Networks

4G LTE
B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500)
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), 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)
3G
B1 (2100), B5 (850), B8 (900)
B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G
B3 (1800), B5 (850), B8 (900)
CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)
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), n80 (1800), n81 (900), n83A (700), n83B (700), n84 (2100)

Sensors & security

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

Compared with Poco C81x

  • Poco
    C81x
    3 GB · 6.88" · Unisoc Tiger T615 (T7250)
    Poco C81x
    Poco M8s 5G
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  • Poco
    C81x
    3 GB · 6.88" · Unisoc Tiger T615 (T7250)
    Poco C81x
    Poco C85 5G
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  • Poco
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    3 GB · 6.88" · Unisoc Tiger T615 (T7250)
    Poco C81x
    Poco M7 Pro 5G
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  • Poco
    C81x
    3 GB · 6.88" · Unisoc Tiger T615 (T7250)
    Poco C81x
    Blackview FORT 200
    Blackview
    FORT 200
    6 GB · 6.78" · MediaTek Helio G100
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  • Poco
    C81x
    3 GB · 6.88" · Unisoc Tiger T615 (T7250)
    Poco C81x
    Blackview WAVE 10
    Blackview
    WAVE 10
    8 GB · 6.88" · Unisoc UMS9230
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  • Poco
    C81x
    3 GB · 6.88" · Unisoc Tiger T615 (T7250)
    Poco C81x
    Blackview OSCAL Marine 1
    Blackview
    OSCAL Marine 1
    4 GB · 6.56" · Unisoc Tiger T615 (T7250)
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  • Poco
    C81x
    3 GB · 6.88" · Unisoc Tiger T615 (T7250)
    Poco C81x
    Blackview Rock 2 5G
    Blackview
    Rock 2 5G
    8 GB · 6.67" · Unisoc Tiger T760 / T8100
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  • Poco
    C81x
    3 GB · 6.88" · Unisoc Tiger T615 (T7250)
    Poco C81x
    coolpad C15
    coolpad
    C15
    4 GB · 6.56" · Mediatek Helio G36
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  • Poco
    C81x
    3 GB · 6.88" · Unisoc Tiger T615 (T7250)
    Poco C81x
    Blackview Oscal Modern 8
    Blackview
    Oscal Modern 8
    8 GB · 6.75" · Unisoc Tiger T616
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Compared with Vivo X300 Ultra

  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Vivo T5 Pro
    Vivo
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  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Vivo S50 Pro mini
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    S50 Pro mini
    12 GB · 6.31" · Qualcomm Snapdragon 8 Gen 5
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  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Vivo S20 Pro
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    12 GB · 6.67" · MediaTek Dimensity 9300+
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  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Blackview WAVE 7C
    Blackview
    WAVE 7C
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  • Vivo
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    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
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    Apple iPhone 17e
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  • Vivo
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    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Blackview Rock 1
    Blackview
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    8 GB · 6.56" · MediaTek Helio G81 (MT6769)
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  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Blackview OSCAL TIGER 8 5G
    Blackview
    OSCAL TIGER 8 5G
    8 GB · 6.88" · Unisoc Tiger T760 / T8100
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  • Vivo
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    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Apple iPhone 16
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  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
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    Blackview Wave 8C
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