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 and the Xiaomi 18 finish within three points of each other on our combined specification score, so neither is a clear winner. Asus Zenfone 12 Ultra leads on battery & charging. 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

Too close to call. These two finish within three points of each other, so the right answer depends on which category matters most to you.

Performance Level

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 Level

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 battery & charging.

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 and Xiaomi 18 finish within a few points of each other, so neither is a clear winner on paper. Pick the one that leads in the category you care about most.

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.

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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.