Asus ROG Phone 9 Pro vs. Xiaomi 14 Pro: A Deep Dive into Gaming and Flagship Performance

The Asus ROG Phone 9 Pro and Xiaomi 14 Pro represent distinct approaches to the high-end smartphone market. The ROG Phone 9 Pro doubles down on gaming features and sustained performance, while the Xiaomi 14 Pro aims for a more balanced flagship experience with a focus on speed and camera capabilities. This comparison dissects their key differences to help you choose the right device.
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🏆 Quick Verdict

For dedicated mobile gamers, the Asus ROG Phone 9 Pro is the clear winner, offering superior sustained performance thanks to its Snapdragon 8 Elite and advanced cooling. However, the Xiaomi 14 Pro excels in everyday tasks and boasts significantly faster charging, making it the better choice for users prioritizing speed and convenience.

PHONES
Phone Names Asus ROG Phone 9 Pro Xiaomi 14 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - GlobalHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66 - International1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 - International1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA
SpeedHSPA, LTE (Up to 7CA), 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
Announced2024, November 192023, October 26
StatusAvailable. Released 2024, November 20Available. Released 2023, November 01
Body
BuildGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass), aluminum frameGlass front, aluminum frame or titanium frame, glass back
Dimensions163.8 x 76.8 x 8.9 mm (6.45 x 3.02 x 0.35 in)161.4 x 75.3 x 8.5 mm
SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight227 g (8.01 oz)223 g or 230 g (7.87 oz)
Display
ProtectionCorning Gorilla Glass Victus 2Shatterproof glass
Resolution1080 x 2400 pixels, 20:9 ratio (~388 ppi density)1440 x 3200 pixels, 20:9 ratio (~522 ppi density)
Size6.78 inches, 111.0 cm2 (~88.2% screen-to-body ratio)6.73 inches, 108.9 cm2 (~89.6% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 185Hz, 670Hz PWM, HDR10, 1600 nits (HBM), 2500 nits (peak)LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3000 nits (peak)
Platform
CPUOcta-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
ChipsetQualcomm SM8750-AB Snapdragon 8 Elite (3 nm)Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
GPUAdreno 830Adreno 750
OSAndroid 15, up to 2 major Android upgradesAndroid 14, HyperOS
Memory
Card slotNoNo
Internal512GB 16GB RAM, 1TB 24GB RAM256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Main Camera
FeaturesLED flash, HDR, panoramaLaser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama
Triple50 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)50 MP, f/1.4-f/4.0, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/2.0, 75mm (telephoto), PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP, f/2.2, 14mm, 115˚ (ultrawide), AF
Video8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+8K@24fps (HDR), 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Selfie camera
FeaturesPanorama, HDRHDR, panorama
Single32 MP, f/2.5, 22mm (wide), 1/3.2", 0.7µm32 MP, f/2.0, 22mm (wide), 0.7µm
Video1080p@30fps4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound
35mm jackYesNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless5.4, A2DP, LE, aptX HD, aptX Adaptive
Infrared port-Yes
NFCYesYes
PositioningGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASSGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C (side), DisplayPort 1.4; USB Type-C (bottom), OTGUSB Type-C 3.2 Gen 2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, proximity, gyro, compass, barometer
Battery
Charging65W wired, PD3.0, PPS, QC5, 100% in 46 min 15W wireless (Qi) 10W reverse wired120W wired, PD3.0, QC4, 100% in 18 min 50W wireless, 100% in 40 min 10W reverse wireless
Type5800 mAhLi-Po 4880 mAh
Misc
ColorsPhantom BlackBlack, Silver, Titanium, Green
ModelsAI2501-16G512G-BK, AI2501-24G1T-BK23116PN5BC
Price€ 1,139.00 / $ 1,290.00 / £ 1,224.17About 650 EUR

Asus ROG Phone 9 Pro

  • Exceptional sustained gaming performance
  • Long battery life (16:41h active use)
  • Advanced cooling system for throttling prevention

  • Slower charging speed compared to Xiaomi 14 Pro
  • Gaming-focused design may not appeal to all users

Xiaomi 14 Pro

  • Blazing-fast 120W wired charging (18 minutes to full)
  • Sleek and refined flagship design
  • Potentially superior camera system

  • May experience more thermal throttling during prolonged gaming
  • Battery life likely shorter than ROG Phone 9 Pro

Display Comparison

The Asus ROG Phone 9 Pro boasts a display capable of reaching 1958 nits peak brightness, ensuring excellent visibility even in direct sunlight. While the Xiaomi 14 Pro’s display specs aren’t provided, Xiaomi typically employs high-quality AMOLED panels. The ROG Phone’s focus on gaming likely includes a high refresh rate and low touch latency, crucial for competitive play. The ROG Phone’s display is geared towards immersive gaming, while the Xiaomi 14 Pro likely prioritizes color accuracy and overall viewing experience for a broader range of content.

Camera Comparison

Without detailed camera specifications for the Xiaomi 14 Pro, a direct comparison is limited. However, Xiaomi flagships generally feature advanced camera systems with large sensors and sophisticated image processing. The ROG Phone 9 Pro’s camera is likely competent but not its primary focus. The Xiaomi 14 Pro will likely excel in image quality, particularly in challenging lighting conditions, due to its advanced image processing capabilities. The Xiaomi 14 Pro is geared towards photography enthusiasts, while the ROG Phone 9 Pro prioritizes gaming features over camera prowess.

Performance

The core difference lies in the chipsets: the Asus ROG Phone 9 Pro utilizes the Qualcomm SM8750-AB Snapdragon 8 Elite (3nm), featuring a unique octa-core configuration with Oryon V2 Phoenix cores clocked up to 4.32 GHz. This is contrasted by the Xiaomi 14 Pro’s Snapdragon 8 Gen 3 (4nm). While the Gen 3 is a powerful chip, the 3nm process of the Snapdragon 8 Elite should offer superior power efficiency and potentially better sustained performance under heavy load. The ROG Phone’s architecture is specifically tuned for gaming, while the Gen 3 prioritizes overall system responsiveness. The ROG Phone’s thermal design is also likely more robust to handle prolonged gaming sessions.

Battery Life

The Asus ROG Phone 9 Pro delivers an impressive 16:41 hours of active use, indicating excellent battery life. It supports 65W wired charging, taking 46 minutes for a full charge, alongside 15W wireless and 10W reverse wired charging. The Xiaomi 14 Pro, however, significantly outpaces this with 120W wired charging, achieving a full charge in just 18 minutes, and 50W wireless charging in 40 minutes. While the ROG Phone offers longer overall runtime, the Xiaomi 14 Pro’s charging speed is a major convenience factor. The Xiaomi 14 Pro’s faster charging is ideal for users who need to quickly top up their battery.

Buying Guide

Buy the Asus ROG Phone 9 Pro if you need uncompromising gaming performance, extended battery life during intense sessions, and customizable gaming controls. Buy the Xiaomi 14 Pro if you prefer a sleek, all-around flagship with incredibly fast charging, a versatile camera system, and a more refined software experience for daily use.

Frequently Asked Questions

❓ Will the Snapdragon 8 Elite in the ROG Phone 9 Pro overheat during extended gaming sessions?
The Snapdragon 8 Elite is paired with a sophisticated cooling system in the ROG Phone 9 Pro, designed to mitigate thermal throttling. While some heat is inevitable during prolonged gaming, the ROG Phone 9 Pro is engineered to maintain higher clock speeds for longer periods compared to devices with less robust cooling solutions.
❓ How does the 120W charging of the Xiaomi 14 Pro affect battery health over time?
Xiaomi employs charging algorithms and battery protection features to minimize the impact of fast charging on long-term battery health. While fast charging generates more heat, the system is designed to regulate the charging process and prevent overcharging, preserving battery capacity over time. However, all batteries degrade with use, regardless of charging speed.
❓ Does the Xiaomi 14 Pro support high refresh rate gaming?
While specific gaming support isn't detailed, Xiaomi flagships typically support high refresh rate displays and optimized gaming modes. The Snapdragon 8 Gen 3 is capable of driving high frame rates in many popular games, and the Xiaomi 14 Pro likely includes features to enhance the gaming experience.