Asus Zenfone 12 Ultra vs Xiaomi 17 Ultra Specs Comparison

Availability

Officially announced
Feb 06, 2025	Dec 25, 2025
Prices (MSRP)
16GB/256GB - €1099	16GB/512GB - €1499

Design

Dimensions
6.45 x 3.03 x 0.35 inches 163.8 x 77 x 8.9 mm	6.41 x 3.06 x 0.33 inches 162.9 x 77.6 x 8.5 mm
Weight
7.76 oz / 220.0 g	8.11 oz / 230.0 g
Materials
Back: Glass	Back: Plastic Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP69
Biometrics
Optical in-screen fingerprint	Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Ebony Black, Sakura White, Sage Green	Black, White, Starry Green, Purple

Display

Size
6.8-inch, 88.31% screen-to-body	6.9-inch, 93.16% screen-to-body
Type
AMOLED, 144Hz, HDR, 2500 nits	AMOLED, 120Hz, Dolby Vision, 3500 nits
Resolution
2400x1080px, 20:9 ratio, 388 PPI	2608x1200px, 19.5:5 ratio, 416 PPI
Protection
Corning Gorilla Glass Victus 2
Features
	Ambient light sensor, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
2199 (Excellent)	3515 (Excellent)
Bright Min
5.9 (Poor)	1 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 8 Elite SM8750-AB (4 nm)	Snapdragon 8 Elite Gen 5 SM8850-AC (3 nm)
Processor
Octa-core 2x4.32 GHz Oryon V2 Phoenix L 6x3.53 GHz Oryon V2 Phoenix M	Octa-core 2x4.6GHz Oryon V3 Phoenix L 6x3.62GHz Oryon V3 Phoenix M
GPU
Adreno 830	Adreno 840
Memory
16GB (LPDDR5X)/256GB (UFS 4.0) 16GB/512GB	12GB/512GB (UFS 4.1) 16GB/512GB 16GB/1TB
Storage expansion
not expandable	not expandable
OS
Android (15)	Android (16)

PhoneArena Performance Test

GeekBench 6 Single
2964	3525
GeekBench 6 Multi
9302	10545
3D Mark High
5201	6305
3D Mark Low
4672	3899

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5500 mAh, Li - Ion	6800 mAh, Si - Carbon
Charging
Fast charging Qi wireless charging, Reverse wired charging	Fast charging Qi wireless charging, Reverse wireless charging, Reverse wired charging
Charge speed
Wired: 65.0W Wireless: 15.0W	Wired: 90.0W Wireless: 50.0W

PhoneArena Battery Tests

Battery Life Estimate

7h 10min

Browsing

16h 3min

Video

9h 47min

Gaming

12h 13min

Battery Life Estimate

9h 2min

Browsing

22h 39min

Video

14h 9min

Gaming

7h 10min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
50 MP (OIS, PDAF) Aperture size: F1.9 Focal length: 24 mm Sensor size: 1/1.56" Pixel size: 1.0 μm	50 MP Aperture size: F1.7 Focal length: 23 mm Sensor size: 1"
Second camera
13 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/3" Pixel size: 1.12 μm	50 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/2.76" Pixel size: 0.64 μm
Third camera
32 MP (Telephoto, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 65 mm Sensor size: 1/3.2" Pixel size: 0.7 μm	200 MP (Telephoto, Periscope) Optical zoom: 4.2x Aperture size: F2.4/F3.0 Focal Length: 100 mm Sensor size: 1/1.4" Pixel size: 0.56 μm
Fourth camera
	ToF 3D depth sensing
Flash
LED	LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps)	8K UHD (30 fps), 4K UHD (120 fps)
Front
32 MP Video capture: 1080p (30 fps)	50 MP

PhoneArena Camera Tests

141

Overall

144

Photo

138

Video

155

Overall

163

Photo

147

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.4	5.4
WLAN
Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	Wi-Fi 6,Wi-Fi 7 Wi-Fi Direct, Hotspot
USB
Type-C	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Emergency SOS via satellite (SMS sending/receiving), Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC	NFC, Infrared

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n48, n66, n77, n78, n79, SA, NSA, Sub-6	n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n77, n78, n80, n84, SA, NSA
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 66	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66
TDD Bands
34, 38, 39, 40, 41, 42, 43, 48	34, 38, 39, 40, 41, 42, 48
3G Bands
1, 3, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM, Dual Nano SIM	eSIM, Dual Nano SIM

Alternative variants

With 16GB RAM and 512GB internal storage

Memory	16GB/512GB

Discover more

Full Specs Asus Zenfone 12 Ultra Specs PA Review Asus Zenfone 12 Ultra Review

Full Specs Xiaomi 17 Ultra Specs PA Review Xiaomi 17 Ultra Review