Head to head

Asus Zenfone 12 Ultra vs Xiaomi 18

Full specification and price comparison for Pakistan, updated 19 May 2026.

The short answer

The Asus Zenfone 12 Ultra is the stronger phone of the two, scoring 95 against 86 on our combined specification score. It leads on performance, battery & charging and value for money. The Xiaomi 18 is the cheaper of the two at PKR 269,999 against PKR 279,999.

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The verdict

Spec-derived

Asus Zenfone 12 Ultra takes it by 8.5 points on our weighted spec score.

Performance Asus Zenfone 12 Ultra leads

Gaming score where available, otherwise chipset tier plus usable RAM.

Camera Level

Camera Score where available, otherwise sensor resolution and lens count. Megapixels alone do not measure image quality.

Battery & charging Asus Zenfone 12 Ultra leads

Cell capacity in mAh weighted with rated wired charging output.

Display Level

Pixel density, refresh rate and panel technology.

Memory & storage Level

Highest advertised RAM and internal storage configuration.

Value for money Asus Zenfone 12 Ultra leads

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Xiaomi 18 costs PKR 10,000 less.
  • Xiaomi 18 packs a 1,500 mAh larger battery.

Buy the Asus Zenfone 12 Ultra if…

you care most about performance, battery & charging and value for money.

Full specification comparison

Specification Asus Zenfone 12 Ultra Xiaomi 18
Price in Pakistan
Retail price PKR 279,999 PKR 269,999 Cheaper
Design & build
Release date February 28, 2025. late 2026
Dimensions 163.8 × 77 × 8.9 mm Not listed
Weight 220 g Not listed
Water resistance IP68 dust and water resistant IP68 dust- and water-resistant (immersible up to 1.5 m for 30 min)
Display
Screen size 6.78-inch Better 6.3 inches
Resolution 1080 × 2400 pixels (FHD+) 1220 × 2656 pixels (~464 ppi) Better
Panel type LTPO AMOLED display 1Hz–120Hz adaptive Up to 144Hz in supported games LTPO AMOLED, capacitive touchscreen
Protection Corning Gorilla Glass Victus 2 Xiaomi Dragon Crystal Glass
Performance
Chipset Qualcomm Snapdragon 8 Elite (3nm) Qualcomm Snapdragon 8 Elite Gen 5 (3 nm) (expected)
CPU Octa-core up to 4.3GHz Octa-core (up to ~4.6 GHz)
GPU Adreno 830 Adreno-series (expected)
Operating system Android 15 ZenUI Android 16 with HyperOS
Memory & storage
RAM 12GB / 16GB LPDDR5X 12 GB / 16 GB options
Internal storage 256GB / 512GB UFS 4.0 256 GB / 512 GB (UFS 4.1)
Card slot No microSD support No
Camera
Main camera 50MP Main Camera Sony LYT-700 / IMX906 sensor Gimbal OIS stabilization 32MP Telephoto 3x Optical Zoom 13MP Ultra-Wide 120° FOV 50 MP wide, OIS 50 MP periscope telephoto (5× optical) 50 MP ultrawide
Selfie camera 32MP RGBW Selfie Camera 50 MP Better
Video recording Up to 8K video recording 4K cinematic video AI stabilization features Up to 8K @30 fps (HDR) 4K @30/60 fps (HDR10+, Dolby Vision) Slow-motion modes (1080p up to 960 fps)
Battery & charging
Battery capacity non-removable 5500 mAh high-capacity Lithium-ion or Lithium-polymer battery Li-ion Si-Ca ~7000 mAh (expected) Better
Wired charging 65W wired fast charging 15W wireless charging Reverse charging support Fast wired
Connectivity & extras
SIM Dual SIM (Nano-SIM, dual standby) Dual Nano-SIM
Wi-Fi Wi-Fi 7 Dual-band / Tri-band support Wi-Fi Direct Hotspot 802.11 a/b/g/n/ac/6e/7, dual-band
Bluetooth 5.4 A2DP LE aptX HD aptX Adaptive v6.0
NFC Yes Yes
Sensors In-display Fingerprint Sensor Accelerometer Gyroscope Proximity Sensor Compass Ambient Light Sensor Hall Sensor Under-display ultrasonic fingerprint, accelerometer, gyro, compass, proximity, barometer
USB USB Type-C 3.1 OTG supported USB Type-C 3.2, DisplayPort, OTG

“Better” marks the higher (or, for price and weight, the lower) figure. It is a specification difference, not a judgement about real-world experience.

Questions people ask

Which is better, Asus Zenfone 12 Ultra or Xiaomi 18?

Asus Zenfone 12 Ultra comes out ahead on our combined spec score, leading by 8.5 points. It wins on performance, battery & charging and value for money. Xiaomi 18 can still be the better buy if your priorities sit elsewhere or if you find it at a lower street price.

What is the price of Asus Zenfone 12 Ultra and Xiaomi 18 in Pakistan?

Asus Zenfone 12 Ultra is listed at PKR 279,999 and Xiaomi 18 at PKR 269,999. That makes Xiaomi 18 cheaper by PKR 10,000. Retail prices move often, so treat these as indicative.

Which phone has the better battery, Asus Zenfone 12 Ultra or Xiaomi 18?

Asus Zenfone 12 Ultra leads on battery. Asus Zenfone 12 Ultra carries a 5500 mAh cell and Xiaomi 18 a 7000 mAh cell.

Which is better for gaming, Asus Zenfone 12 Ultra or Xiaomi 18?

Asus Zenfone 12 Ultra is the stronger gaming phone here. Asus Zenfone 12 Ultra runs the Qualcomm Snapdragon 8 Elite (3nm) while Xiaomi 18 runs the Qualcomm Snapdragon 8 Elite Gen 5 (3 nm) (expected).

Related comparisons

Asus Zenfone 12 Ultra vs Xiaomi Poco F9 Ultra Xiaomi 18 vs Xiaomi Poco F9 Ultra Asus Zenfone 12 Ultra vs ZTE nubia NaviX Ultra Xiaomi 18 vs ZTE nubia NaviX Ultra Asus Zenfone 12 Ultra vs Oppo Reno 16 Xiaomi 18 vs Oppo Reno 16 Asus Zenfone 12 Ultra vs Vivo X500 Ultra Xiaomi 18 vs Vivo X500 Ultra

Tools that use this data

Camera Score Tool Battery Score Tool Gaming Performance Checker AI Mobile Recommendation Tool All comparisons

Scores are calculated from the published hardware specification of each device using the same formula for every phone on WhatMobilePK — they are not paid placements and they are not laboratory test results. Prices are indicative Pakistani retail prices and change frequently.