realme 15 5G vs Vivo X300 Ultra

realme 15 5G
realme
15 5G
Vivo X300 Ultra
Vivo
X300 Ultra

At a glance

Brand
realme
vivo
Release date
July 2025, 11 months ago
March 2026, 3 months ago
Launch price
CN¥ 1,699.00 ($ 248.53)
CN¥ 6,999.00 ($ 1,023.80)
AnTuTu
680.000 Antutu v10 Overall performance better than 77% of devices
4.010.000 Antutu v11 Overall performance better than 99% of devices

Display

Size
6.77"
6.83"
Resolution
1280 x 2800 px QHD
1440 x 3168 px WQHD+
Type
AMOLED
AMOLED Q10 Plus 8T
Density
460 ppi Very high density
511 ppi Very high density
Aspect ratio
20:9
20:9
Features
Hole-punch Notch, SGS Certified, Refresh rate 144 Hz, Touch sampling rate 240 Hz, Max brightness HBM - 1800 cd/m², Peak brightness - 6500 cd/m², 5000000:1 contrast ratio, HDR10+, DCI-P3, 10 Bits panel, Scratch resistant, Corning Gorilla Glass 7i, Capacitive, Multi-touch, Frameless
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
MediaTek Dimensity 7300
Qualcomm Snapdragon 8 Elite Gen 5
CPU
4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
2x4.61 GHz ARM + 6x3.63 GHz ARM
CPU type
Octa-Core
Octa-Core
Process
4 nm
3 nm
Frequency
2.5 GHz
4.61 GHz
GPU
Arm Mali-G615 MC2
Adreno 840 1.2 GHz
RAM
8 GB
12 GB
RAM type
LPDDR4X RAM
RAM LPDDR5X
64-bit
Yes
Yes

Rear camera

Resolution
50 Mpx
200 Mpx
Aperture
ƒ/ 1.8
ƒ/ 1.69
Sensor
Sony IMX882
Sony LYT-901
Pixel size
0.80 µm
0.70 µm
Sensor size
1/1.95"
1/1.12"
Flash
Dual LED
LED
Optical stabilization
Yes
Yes
Slow motion
Yes, 240 fps
Yes, 960 fps
Features
Night Mode 2.0, Noise reduction, 4K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, 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, 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
50 Mpx
50 Mpx
Aperture
ƒ/ 2.4
ƒ/ 2.5
Sensor
Omnivision OV50D40 Light Hunter 400
Pixel size
0.64 µm

Battery

Capacity
7000 mAh
7000 mAh
Type
Li-Ion Polymer
Si-Carbon Li-Ion
Fast charge
Yes , 80.0W
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
256 GB
256 GB
Type
UFS Storage 3.1
UFS Storage 4.1
SD slot
No
No

Body

Dimensions
75.9 mm 163.3 mm 7.7 mm Print 3D Model
76.8 mm 163.0 mm 8.2 mm Print 3D Model
Weight
185 g
232 g
Materials
Polycarbonate
Glass , Titanium-aluminium alloy
Colors
Silver Pink
Black Silver Green
Water/dust resistance
IP6X , IP69
IP68, IP69
Usable surface
89 %
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 RealmeUI 7.0 (Android 16)
Android 16 OriginOS 6 (Android 16)
Google services
Without Google Mobile services
Without Google Mobile services
Updates
OS updates: 5 years, Security updates: 5 years

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)
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
A-GPS, GLONASS, Beidou, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1)
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), n5 (850), n8 (900), n28a (700), n41 (2500), n77 (3700), n78 (3500)
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), B3 (1800), B5 (850), B8 (900), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), 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
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
Gyroscope
Yes
Yes
Light sensor
Yes
Yes
Cooling system
Yes
Yes
Audio
Noise cancellation microphone, Stereo Speakers, 2 microphones
Dolby Atmos, Hi-Res Audio, Stereo Speakers
Proximity
Yes

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Compared with Vivo X300 Ultra

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