Home/Asus/Asus ROG Phone 9 vs Xiaomi 15 Ultra
Asus ROG Phone 9

Asus ROG Phone 9

#38
Xiaomi 15 Ultra

Xiaomi 15 Ultra

#17

Category Breakdown

Asus ROG Phone 9
Xiaomi 15 Ultra
Performance
97.197.1
Camera
99.599.6
Display
97.699.1
Battery
97.997.5
Build
82.177.3
Connectivity
92.788.4
Audio
87.687.6
Overall
93.394.7

Summary

  • The Asus ROG Phone 9 features a robust build with Gorilla Glass Victus 2 on the front and back, while the Xiaomi 15 Ultra offers a choice between glass-fiber and eco leather for its back.
  • In terms of display, the ROG Phone 9 has a 6.78-inch LTPO AMOLED panel with a 185Hz refresh rate, whereas the Xiaomi 15 Ultra sports a slightly larger 6.73-inch LTPO AMOLED with a higher resolution and peak brightness of 3200 nits.
  • Both devices utilize the Snapdragon 8 Elite chipset, ensuring top-tier performance, but the Xiaomi offers more storage options up to 1TB.
  • Camera capabilities are strong on both, with the ROG Phone 9 featuring a versatile triple-camera setup and the Xiaomi 15 Ultra boasting an advanced quad-camera system with multiple optical zoom options.
  • The ROG Phone 9 has a larger 5800mAh battery compared to the 5410mAh in the Xiaomi, but the latter supports faster charging at 90W.
  • Both run on Android 15, but the Xiaomi offers a longer software upgrade commitment with up to four major updates, while the ROG Phone 9 is limited to two.

Side-by-side Specification Comparison

Asus ROG Phone 9
Xiaomi 15 Ultra

General

Release Date

2024, November 19
2025, February 27

Announced

2024, November 19
2025, February 27

Description

N/A
N/A

Display

Size

6.78"
6.73"

Type

LTPO AMOLED, 1B colors, 185Hz, HDR10, 1600 nits (HBM), 2500 nits (peak)
LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, HDR Vivid, 3200 nits (peak)

Resolution

1080 x 2400 pixels, 20:9 ratio (~388 ppi density)
1440 x 3200 pixels, 20:9 ratio (~522 ppi density)

PPI

1080
1440

Refresh Rate

185Hz
120Hz

HDR Support

Protection

Corning Gorilla Glass Victus 2
Xiaomi Shield Glass 2.0

Performance

Chipset

Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)

CPU

Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)

GPU

Adreno 830
Adreno 830

Memory

256GB 12GB RAM, 512GB 16GB RAM
256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM

Expandable Storage

Card Slot

No
No

Camera

Main Camera

50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, gimbal OIS13 MP, f/2.2, 13mm, 120˚ (ultrawide)5 MP, f/2.4, (macro)
50 MP, f/1.6, 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS50 MP, f/1.8, 70mm (telephoto), 1/2.51", 0.7µm, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom200 MP, f/2.6, 100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 4.3x optical zoom50 MP, f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAFTOF 3D, (depth)

Main Camera Features

LED flash, HDR, panorama
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)

Front Camera

32 MP, f/2.5, 22mm (wide), 1/3.2", 0.7µm
32 MP, f/2.0, 21mm (wide), 1/3.14", 0.7µm

Front Camera Features

Panorama, HDR
HDR, panorama

Video Recording

8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+
8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p)

Selfie Video

1080p@30fps
4K@30/60fps, 1080p@30/60fps, gyro-EIS

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

5800 mAh
5410 mAh

Battery Details

5800 mAh
Si/C Li-Ion 5410 mAh - GlobalSi/C Li-Ion 6000 mAh - China

Charging Details

65W wired, PD3.0, PPS, QC5, 100% in 46 min15W wireless (Qi)10W reverse wired
90W wired, PD3.0, QC3+80W wireless10W reverse wireless

Fast Charging

Wireless Charging

Build & Safety

Dimensions

163.8 x 76.8 x 8.9 mm (6.45 x 3.02 x 0.35 in)
161.3 x 75.3 x 9.4 mm (6.35 x 2.96 x 0.37 in)

Weight

227 g
226 g

Materials

Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass), aluminum frame
Glass front, glass-fiber back or silicone polymer back (eco leather), aluminum frame

Colors

Phantom Black, Storm White
Black, White, Silver Chrome, Green

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIM +eSIMNano-SIM + Nano-SIM
Nano-SIM + Nano-SIMNano-SIM + Nano-SIM +eSIM+ eSIM (max 2 at a time)

Network

GSM / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G

Network Speed

HSPA, LTE (Up to 7CA), 5G
HSPA, LTE, 5G

5G

4G

WiFi

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 or tri-band, Wi-Fi Direct

Bluetooth

5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5

NFC

USB

USB Type-C (side), DisplayPort 1.4; USB Type-C (bottom), OTG
USB Type-C 3.2 Gen 2, DisplayPort, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS

Audio

Stereo Speakers

Loudspeaker

Yes, with stereo speakers
Yes, with stereo speakers

Audio Jack

Yes
No

Software & Security

Operating System

Android 15, up to 2 major Android upgrades
Android 15, up to 4 major Android upgrades, HyperOS 2

Fingerprint

Face Unlock

Sensors

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer