Vivo X300 Ultra vs Asus ROG Phone 9 Pro

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

The Vivo X300 Ultra and Asus ROG Phone 9 Pro are closely matched at 77 and 75/100. The Vivo X300 Ultra edges ahead on Display and Rear Camera, while the Asus ROG Phone 9 Pro leads on Memory and Connectivity — pick the one whose strengths match what you'll actually use.

Verdict

Our overall take, at a glance

Vivo X300 Ultra and Asus ROG Phone 9 Pro are closely matched

Vivo X300 Ultra

Asus ROG Phone 9 Pro

Key differences

Optical zoomVivo X300 Ultra 4.7 vs 3
Refresh rateAsus ROG Phone 9 Pro 185 vs 144 Hz
ResolutionVivo X300 Ultra 1440 × 3168 vs 1080 × 2400 px
Battery capacityVivo X300 Ultra 6,600 vs 5,800 mAh
RAM capacityAsus ROG Phone 9 Pro 24 GB vs 16 GB

Performance

Higher benchmark score = faster

Vivo X300 Ultra2,723,497

Asus ROG Phone 9 Pro3,042,971

See the raw benchmark values →

Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.

Battery capacity

Larger cell — a hardware spec, not battery life

Vivo X300 Ultra6,600 mAh

Asus ROG Phone 9 Pro5,800 mAh

Capacity is the raw battery size. Real-world battery life depends just as much on the processor, software and display.

Scores by Category

Head-to-head score per category, out of 100

Vivo X300 Ultra wins 4 of 14 categories · Asus ROG Phone 9 Pro wins 2

Vivo X300 UltraAsus ROG Phone 9 Pro

DisplayVivo X300 Ultra leads
Vivo X300 Ultra
73
Asus ROG Phone 9 Pro
66
Rear CameraVivo X300 Ultra leads
Vivo X300 Ultra
74
Asus ROG Phone 9 Pro
63
Power & BatteryVivo X300 Ultra leads
Vivo X300 Ultra
86
Asus ROG Phone 9 Pro
82
BenchmarkTie
Vivo X300 Ultra
86
Asus ROG Phone 9 Pro
84
ChipTie
Vivo X300 Ultra
83
Asus ROG Phone 9 Pro
82
MemoryAsus ROG Phone 9 Pro leads
Vivo X300 Ultra
77
Asus ROG Phone 9 Pro
83
SecurityTie
Vivo X300 Ultra
85
Asus ROG Phone 9 Pro
85
Design & WeightTie
Vivo X300 Ultra
49
Asus ROG Phone 9 Pro
47
MiscellaneousTie
Vivo X300 Ultra
84
Asus ROG Phone 9 Pro
83
StorageTie
Vivo X300 Ultra
73
Asus ROG Phone 9 Pro
73
CellularTie
Vivo X300 Ultra
84
Asus ROG Phone 9 Pro
84
Front CameraVivo X300 Ultra leads
Vivo X300 Ultra
49
Asus ROG Phone 9 Pro
40
ConnectivityAsus ROG Phone 9 Pro leads
Vivo X300 Ultra
72
Asus ROG Phone 9 Pro
87
SensorsTie
Vivo X300 Ultra
85
Asus ROG Phone 9 Pro
85

Winner by category for Vivo X300 Ultra vs Asus ROG Phone 9 Pro
Category	Vivo X300 Ultra	Asus ROG Phone 9 Pro	Winner
Chip	83	82	Tie
Memory	77	83	Asus ROG Phone 9 Pro
Storage	73	73	Tie
Display	73	66	Vivo X300 Ultra
Rear Camera	74	63	Vivo X300 Ultra
Front Camera	49	40	Vivo X300 Ultra
Cellular	84	84	Tie
Connectivity	72	87	Asus ROG Phone 9 Pro
Sensors	85	85	Tie
Design & Weight	49	47	Tie
Power & Battery	86	82	Vivo X300 Ultra
Benchmark	86	84	Tie
Miscellaneous	84	83	Tie
Security	85	85	Tie

Physical Comparison

Weigh them up, then compare real dimensions in 3D

Vivo X300 UltraAsus ROG Phone 9 Pro

Vivo X300 Ultra is 5 g (2%) heavier than Asus ROG Phone 9 Pro.

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

Vivo X300 Ultra

Pros

200 MP main rear camera with OIS
6,600 mAh battery
6.82-inch 144 Hz LTPO AMOLED display

Cons

No expandable storage
No 3.5mm headphone jack
Weighs 232 g

Official

Official product pageProvided official details on the Zeiss master lens group, physical dimensions, and core hardware design.

Source

Video — reviews used (1)

Generated Nov 4, 2026

Asus ROG Phone 9 Pro

Pros

185Hz refresh rate LTPO AMOLED display
5,800 mAh battery with fast and wireless charging
Snapdragon 8 Elite processor with 16GB RAM

Cons

Non-expandable storage capacity

Source

ROG Phone 9 - WikipediaProvided core specifications including dimensions, battery size, 185Hz AMOLED display features, 648-mini-LED array, and details on the 32MP telephoto camera.

Video — reviews used (1)

Supplied real-world gaming testing feedback, noted the Snapdragon 8 Elite processor's low heat output, and highlighted the premium pricing over $1,000.

Generated Sep 1, 2026

Value for Money

What the price difference buys you

Launch prices — enter today's prices (same currency for both).

Vivo X300 Ultra

Check Price on Amazon

Asus ROG Phone 9 Pro

Check Price on Amazon

Detailed Specifications

The specs that count most, side by side

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Model

Memory

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
RAM capacity	16 GB	24 GB50% more
Memory technology

Storage

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Storage capacity	1,024 GB	1,024 GB
Is expandable	No	No

Display

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Size	6.82 in	6.78 in
Resolution	1440 × 3168 px	1080 × 2400 px
Pixel density	510 PPI31% more	388 PPI
Refresh rate	144 Hz	185 Hz28% more
Display technology
Protection	Armor glass
Pen support	No	No
Screen-to-body ratio	90%	88%

Rear Camera

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Rear camera (megapixels)	200 MP300% more	50 MP
Rear camera aperture	1.9	1.9
Optical zoom	4.757% more	3
High Dynamic Range (HDR)	Yes	Yes
Optical Image Stabilization (OIS)	Yes	Yes
Number of cameras	3	3
Other cameras	200 MP f/2.7, 50 MP ultrawide f/2.0	32 MP telephoto f/2.4, 13 MP ultrawide f/2.2

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Front camera (megapixels)	50 MP56% more	32 MP
Front camera aperture	2.5	2.5

Cellular

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Cellular technology
SIM type
Dual-sim support	Yes	Yes

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Bluetooth technology
Wi-Fi technology
Connector
Headphone jack	No	Yes

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
NFC sensor	Yes	Yes
Accelerometer sensor	Yes	Yes
Gyroscope sensor	Yes	Yes
Magnetic field sensor	Yes	Yes
Atmospheric pressure sensor	No	No
GPS sensor	Yes	Yes

Design & Weight

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Color	N/A	N/A
Dimensions	7.68 × 16.3 × 0.82 cm	7.68 × 16.38 × 0.89 cm
Weight	232 g	227 g

Power & Battery

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Battery capacity	6,600 mAh14% more	5,800 mAh
Wireless charging support	Yes	Yes
Fast charging support	Yes	Yes

Benchmark

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Antutu score	2,723,497	3,042,97112% more
Geekbench single-core score	3,73018% more	3,169
Geekbench multi-core score	11,49413% more	10,179

Miscellaneous

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Release date	April 3, 2026	November 20, 2024
SAR (Head)	N/A	N/A
SAR (Body)	N/A	N/A
Dust & Water resistance
Operating system

Security

Feature	Vivo X300 Ultra	Asus ROG Phone 9 Pro
Fingerprint scanner	Yes	Yes
Advanced face scanner	No	No

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Review Videos

Hand-picked expert reviews for each product

Frequently Asked Questions

Common questions about Vivo X300 Ultra vs Asus ROG Phone 9 Pro comparison

Vivo X300 Ultra leads on display, scoring 73/100 vs 66/100 for Asus ROG Phone 9 Pro. The biggest gap is resolution, where Vivo X300 Ultra has 1440 × 3168 vs 1080 × 2400 px.

Vivo X300 Ultra has the bigger battery: 6,600 mAh vs 5,800 mAh for Asus ROG Phone 9 Pro (14% more). Real-world battery life also depends on the chip, display and software.

Vivo X300 Ultra launched in Apr 2026, 16 months after Asus ROG Phone 9 Pro. They're closely matched (77 vs 75/100), so upgrade only for a specific feature.