Vivo iQOO 15 Ultra vs Vivo X300 Ultra

Vivo iQOO 15 Ultra
Vivo
iQOO 15 Ultra
Vivo X300 Ultra
Vivo
X300 Ultra

At a glance

Brand
vivo
vivo
Release date
February 2026, 3 months ago
March 2026, 2 months ago
Launch price
CN¥ 5,699.00 ($ 832.57)
CN¥ 6,999.00 ($ 1,023.80)
AnTuTu
4.518.403 Antutu v11 Overall performance better than 100% of devices
4.010.000 Antutu v11 Overall performance better than 99% of devices

Display

Size
6.85"
6.83"
Resolution
1440 x 3168 px WQHD+
1440 x 3168 px WQHD+
Type
AMOLED Samsung
AMOLED Q10 Plus 8T
Density
508 ppi Very high density
511 ppi Very high density
Aspect ratio
20:9
20:9
Features
Hole-punch Notch, SGS Certified, TÜV Rheinland Flicker-free Certified, 2160 Hz PWM, TÜV Low Blue Light, 1-144 Hz refresh rate, Refresh rate 144 Hz, Touch sampling rate 480 Hz, Brightnes 1000 cd/m² (typ), Max brightness HBM - 2600 cd/m², Peak brightness - 8000 cd/m², 8000000:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, DC dimming, 10 Bits panel, Dolby Vision, Scratch resistant, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
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
Qualcomm Snapdragon 8 Elite Gen 5
Qualcomm Snapdragon 8 Elite Gen 5
CPU
2x4.61 GHz ARM + 6x3.63 GHz ARM
2x4.61 GHz ARM + 6x3.63 GHz ARM
CPU type
Octa-Core
Octa-Core
Process
3 nm
3 nm
Frequency
4.61 GHz
4.61 GHz
GPU
Adreno 840 1.2 GHz
Adreno 840 1.2 GHz
RAM
16 GB
12 GB
RAM type
RAM LPDDR5X
RAM LPDDR5X
64-bit
Yes
Yes

Rear camera

Resolution
50 Mpx
200 Mpx
Aperture
ƒ/ 1.88
ƒ/ 1.69
Sensor
Sony IMX921
Sony LYT-901
Pixel size
1.00 µm
0.70 µm
Sensor size
1/1.56"
1/1.12"
Flash
Quad LED
LED
Optical stabilization
Yes
Yes
Slow motion
Yes, 960 fps
Yes, 960 fps
Features
UIS, Flicker sensor, Noise reduction, Time-Lapse, 4K Video, 8K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Manual focus, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode
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

Front camera

Resolution
32 Mpx
50 Mpx
Aperture
ƒ/ 2.2
ƒ/ 2.5
Sensor
GalaxyCore GC32E1
Pixel size
0.70 µm

Battery

Capacity
7400 mAh
7000 mAh
Type
Si-Carbon Li-Ion
Si-Carbon Li-Ion
Fast charge
Yes , 100.0W
Yes , 100.0W
Wireless charging
40W Wireless charging
50W wireless fast charging
Features
Wireless charging, Reverse charging, Non-removable
Bypass Charging, Wireless charging, Reverse charging, Non-removable
Charge cycles
1200 cycles
Runtime
~ 57h

Storage

Capacity
256 GB
256 GB
Type
UFS Storage 4.1
UFS Storage 4.1
SD slot
No
No

Body

Dimensions
76.8 mm 163.6 mm 8.7 mm Print 3D Model
76.8 mm 163.0 mm 8.2 mm Print 3D Model
Weight
227 g
232 g
Materials
Glass , Aluminium
Glass , Titanium-aluminium alloy
Colors
Blue Gray
Black Silver Green
Water/dust resistance
IP68
IP68, IP69
Usable surface
90 %
90 %
Drop resistance
Class A B C D E 180 drops without defects
Repairability
Class A B C D E

Software

Operating system
Android 16 OriginOS 6 (Android 16)
Android 16 OriginOS 6 (Android 16)
Updates
OS updates: 5 years, Security updates: 5 years
OS updates: 5 years, Security updates: 5 years
Google services
Without 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 5.4 LELow energy consumption
Bluetooth 6.0 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, WiFi 6 (802.11ax) , WiFi 6E , WiFi 7 (802.11be)
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, Wi-Fi MiMO
USB
USB Type-C
USB Type-C
USB features
Charging, OTG
Charging, OTG
Navigation
GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), QZSS (L1 + L5), Galileo (E1+E5a+E5b)
GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), QZSS (L1 + L5)

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), n75 (1500), n77 (3700), n78 (3500), n80 (1800), n81 (900), n83A (700), n83B (700), n84 (2100)
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)
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), 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), 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), B6 (800), B8 (900), B19 (800)
2G
B2 (1900), B3 (1800), B5 (850), B8 (900)
CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)

Sensors & security

Fingerprint
Yes, in screen
Yes, in screen
Accelerometer
Yes
Yes
Proximity
Yes
Yes
Light sensor
Yes
Yes
Cooling system
Yes
Yes
Audio
Stereo Speakers
Dolby Atmos, Hi-Res Audio, Stereo Speakers
Gyroscope
Yes

Compared with Vivo iQOO 15 Ultra

  • Vivo
    iQOO 15 Ultra
    16 GB · 6.85" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo iQOO 15 Ultra
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    T5 Pro
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  • Vivo
    iQOO 15 Ultra
    16 GB · 6.85" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo iQOO 15 Ultra
    Vivo S50 Pro mini
    Vivo
    S50 Pro mini
    12 GB · 6.31" · Qualcomm Snapdragon 8 Gen 5
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  • Vivo
    iQOO 15 Ultra
    16 GB · 6.85" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo iQOO 15 Ultra
    Vivo S20 Pro
    Vivo
    S20 Pro
    12 GB · 6.67" · MediaTek Dimensity 9300+
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  • Vivo
    iQOO 15 Ultra
    16 GB · 6.85" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo iQOO 15 Ultra
    Blackview Oscal Pilot 5 5G
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  • Vivo
    iQOO 15 Ultra
    16 GB · 6.85" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo iQOO 15 Ultra
    Blackview FORT 200
    Blackview
    FORT 200
    6 GB · 6.78" · MediaTek Helio G100
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  • Vivo
    iQOO 15 Ultra
    16 GB · 6.85" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo iQOO 15 Ultra
    Blackview OSCAL Marine 3
    Blackview
    OSCAL Marine 3
    8 GB · 6.56" · MediaTek Helio G81 (MT6769)
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  • Vivo
    iQOO 15 Ultra
    16 GB · 6.85" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo iQOO 15 Ultra
    Apple iPhone Air
    Apple
    iPhone Air
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  • Vivo
    iQOO 15 Ultra
    16 GB · 6.85" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo iQOO 15 Ultra
    Asus Rog Phone 9 Pro
    Asus
    Rog Phone 9 Pro
    16 GB · 6.78" · Qualcomm Snapdragon 8 Elite
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  • Vivo
    iQOO 15 Ultra
    16 GB · 6.85" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo iQOO 15 Ultra
    Blackview Color 8
    Blackview
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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
    T5 Pro
    8 GB · 6.83" · Qualcomm Snapdragon 7s Gen4
    View comparison
  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Vivo S50 Pro mini
    Vivo
    S50 Pro mini
    12 GB · 6.31" · Qualcomm Snapdragon 8 Gen 5
    View comparison
  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Vivo S20 Pro
    Vivo
    S20 Pro
    12 GB · 6.67" · MediaTek Dimensity 9300+
    View comparison
  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Blackview FORT 5
    Blackview
    FORT 5
    12 GB · 6.78" · MediaTek Helio G100
    View comparison
  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Blackview XPLORE X1
    Blackview
    XPLORE X1
    12 GB · 6.78" · MediaTek Dimensity 7050 (MT6877)
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  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Blackview BL7000
    Blackview
    BL7000
    8 GB · 6.78" · MediaTek Dimensity 6300
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  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Blackview OSCAL Marine 3
    Blackview
    OSCAL Marine 3
    8 GB · 6.56" · MediaTek Helio G81 (MT6769)
    View comparison
  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Blackview BV8200
    Blackview
    BV8200
    12 GB · 6.5" · MediaTek Helio G100
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  • Vivo
    X300 Ultra
    12 GB · 6.83" · Qualcomm Snapdragon 8 Elite Gen 5
    Vivo X300 Ultra
    Blackview BV6200 Plus
    Blackview
    BV6200 Plus
    8 GB · 6.56" · Unisoc Tiger T606
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