Phone Comparison - Asus ROG Phone 8 vs Xiaomi 15T Pro vs vivo X300

general General Info

Manufacturer Asus Xiaomi vivo
Announced January 2024 September 2025 October 2025
Status Coming Soon - January 2024 Available - September 2025 Available - October 2025
Colors Phantom Black, Rebel Grey Black, Gray, Mocha Gold Black, Blue, Red, Purple, Pink
Form Factor Candybar Candybar Candybar
Dimension 163.8 x 76.8 x 8.9 mm
(6.45 x 3.02 x 0.35 in)
162.7 x 77.9 x 8 mm
(6.41 x 3.07 x 0.31 in)
150.6 x 71.9 x 8 mm
(5.93 x 2.83 x 0.31 in)
Weight 225 g (7.94 oz) 210 g (7.41 oz) 190 g (6.7 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) - -
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800
GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - International
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International
HSDPA 850 / 900 / 2100 - Malaysia, India
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - China
4G Network 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66 - International
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 29, 30, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66, 71 - USA
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G Network 1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 - International
1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 29, 38, 40, 41, 48, 66, 71, 77, 78, 79 SA/NSA/Sub6 - USA
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78 SA/NSA 1, 2, 3, 5, 7, 8, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 48, 66, 77, 78 SA/NSA/Sub6
SAR EU - W/kg (head)
- W/kg (body)
0.99 W/kg (head)
0.99 W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging
Build Features - Fingerprint Sensor (under display, optical)
IP68 dust/water resistant (up to 1.5m for 30 min)
Illuminated RGB logo (on the back)
Pressure sensitive zones (Gaming triggers)
- Fingerprint Sensor (under display, optical)
IP68 dust tight and water resistant (immersible up to 3m for 30 min)
6M13 aluminium alloy, 330 N/mm frame rigidity, 321 N/mm device rigidity
- Fingerprint Sensor (under display, ultrasonic)
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)

hardware Hardware and OS

OS Android 14 Android 15 Android 16, up to 4 major Android upgrades
User Interface - HyperOS 2 OriginOS 6
Processor Octa-core (1x3.3 GHz Cortex-X4 & 5x3.2 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520), Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720), Mediatek Dimensity 9400+ (3 nm) Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro), Mediatek Dimensity 9500 (3 nm)
GPU Adreno 750 Immortalis-G925 Arm G1-Ultra
RAM 256GB 16GB 256GB 12GB 16 GB
Internal Memory N/A N/A 1 TB
External Memory No No No

display Display

Type FHD+ LTPO AMOLED Screen
165Hz Refresh Rate
HDR10, 1600 Nits (HBM), 2500 Nits (peak)
Corning Gorilla Glass Victus 2
FHD+ AMOLED Screen, 144Hz, 3840Hz PWM
Dolby Vision, HDR10+, 3200 Nits (peak)
Corning Gorilla Glass 7i, Mohs Level 6
FHD+ LTPO AMOLED Screen
120Hz, 2160Hz PWM, HDR10+, HDR Vivid
4500 Nits (peak), Unspecified, Mohs Level 4
Colors 1B colors 68B colors 1B colors
Size 6.78 inches 6.83 inches 6.31 inches
Resolution 1080 x 2400 pixels (388 ppi) 1280 x 2772 pixels (447 ppi) 1216 x 2640 pixels (461 ppi)
Screen-to-Body Ratio 88.30% 90.39% 90.00%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes no no
Radio No No No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker

camera Camera

Rear Camera 50 MP + 32 MP + 13 MP
50 MP + 13 MP + 5 MP
50 MP + 50 MP + 12 MP 200 MP + 50 MP + 50 MP
Flash LED Flash LED Flash LED Flash
Features - International model -
50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, gimbal OIS
32 MP, f/2.4, (telephoto), 1/3.2", 0.7µm, PDAF, OIS, 3x optical zoom
13 MP, f/2.2, 13mm, 120˚ (ultrawide)

- SEA/India model -
50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, gimbal OIS
13 MP, f/2.2, 13mm, 120˚ (ultrawide)
5 MP, f/2.4, (macro)
HDR, Panorama
50 MP, f/1.6, 23mm (wide), 1/1.31", 1.2µm, PDAF, OIS
50 MP, f/3.0, 115mm (periscope telephoto), PDAF, OIS, 5x optical zoom
12 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/3.06", 1.12µm
Leica Lens, Color Spectrum Sensor, Ultra HDR, HDR, Panorama
200 MP, f/1.7, 23mm (wide), 1/1.4", 0.56µm, PDAF, OIS
50 MP, f/2.6, 70mm (periscope telephoto), 1/1.95", PDAF, OIS, 3x optical zoom
50 MP, f/2.0, 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF
Laser AF, Zeiss Optics, Zeiss T* Lens Coating, Panorama, HDR, 3D LUT Import
Video 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+ 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/960fps, gyro-EIS, 10-bit Rec. 2020, HDR10+ 4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, 4K@120fps HDR
Front Camera 32 MP, f/2.5, 22mm (wide), 1/3.2", 0.7µm
Panorama, HDR
1080p@30fps [Similar]
32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm
HDR
4K@30fps, 1080p@30/60fps, HDR10+ [Similar]
50 MP, f/2.0, (wide), 1/2.76", 0.64µm, AF
HDR
4K@30/60fps, 1080p@30/60fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A (Up to 7CA), 5G HSPA, LTE, 5G HSPA, LTE, 5G
Bluetooth 5.3, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless 6.0, A2DP, LE 5.4, A2DP, LE, aptX HD, LHDC 5
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
USB USB Type-C (side), DisplayPort 1.4; USB Type-C (bottom), OTG USB Type-C 2.0, OTG USB Type-C 3.2, OTG
GPS GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5), GLONASS GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5)
Browser Yes Yes Yes

memory User Memory

Internal 256GB 16GB RAM, 256GB 12GB RAM, UFS 4.0
NTFS support for external storage
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, UFS 4.1 1 TB, 16 GB RAM or 512 GB, 16 GB RAM or 512 GB, 12 GB RAM or 256 GB, 16 GB RAM or 256 GB, 12 GB RAM UFS 4.1
Expandable Storage No No No
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery Charging 65W wired, PD3.0, PPS, QC5, 100% in 39 min - International
30W wired, PD3.0, PPS - India
15W wireless (Qi)
10W reverse wired
Non-removable Li-ion Battery
Fast Battery Charging 90W wired, PD3.0, QC4, 100% in 36 min
50W wireless, 100% in 56 min
Non-removable Si/C Li-Ion Battery
Fast Battery Charging 90W wired
40W wireless
Reverse wired
Capacity 5500 mAh 5500 mAh 6040 mAh
Stand by - - -
Talk Time - - -