Phone Comparison - Asus Zenfone 12 Ultra vs Xiaomi Redmi Note 15 Pro vs Xiaomi Redmi K100 Pro Max

general General Info

Manufacturer Asus Xiaomi Xiaomi
Announced February 2025 December 2025 August 2026
Status Coming Soon - February 2025 Coming Soon - December 2025 Available - August 2026
Colors Ebony Black, Sakura White, Sage Green Black, Glacier Blue, Mist Purple, Titanium Black, White, Blue, Red (Burgundy)
Form Factor Candybar Candybar Candybar
Dimension 163.8 x 77 x 8.9 mm
(6.45 x 3.03 x 0.35 in)
163.6 x 78.1 x 8 mm
(6.44 x 3.07 x 0.31 in)
163.5 x 78 x 8.5 mm
(6.44 x 3.07 x 0.33 in)
Weight 220 g (7.76 oz) 210 g (7.41 oz) 238 g (8.4 oz)
SIM Type - - Nano-SIM + Nano-SIM
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 48, 66, 71 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G Network 1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA 1, 3, 5, 7, 8, 18, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Messaging
Build Features - Fingerprint Sensor (under display, optical)
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
- Fingerprint Sensor (under display, optical)
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Manufacturer-rated water-resistance (up to 2m for 24 hours)
Drop resistant up to 2.5m
- Fingerprint Sensor (under display, ultrasonic)
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)

hardware Hardware and OS

OS Android 15, up to 2 major Android upgrades Android 15 Android 16
User Interface - HyperOS 2 HyperOS 3
Processor Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M), Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), Mediatek Dimensity 7400 Ultra (4 nm) Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M), Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
GPU Adreno 830 Mali-G615 MC2 Adreno 840
RAM 16 GB 12 GB 16 GB
Internal Memory 512 GB 512 GB 512 GB
External Memory No No No

display Display

Type FHD+ LTPO AMOLED Screen
144Hz, HDR10, 1600 Nits (HBM), 2500 Nits (peak)
Corning Gorilla Glass Victus 2
FHD+ AMOLED Screen, 120Hz
3840Hz PWM, HDR10+, Dolby Vision, 3200 Nits (peak)
Corning Gorilla Glass Victus 2, Mohs Level 5
FHD+ AMOLED Screen, 185Hz
Dolby Vision, HDR Vivid, HDR10+
BT.2020, 4500 Nits (peak)
Colors 16M colors 68B colors 68B colors
Size 6.78 inches 6.83 inches 6.9 inches
Resolution 1080 x 2400 pixels (388 ppi) 1280 x 2772 pixels (447 ppi) 1200 x 2608 pixels (416 ppi)
Screen-to-Body Ratio 88.07% 89.66% 91.49%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes no no
Radio No No No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes

camera Camera

Rear Camera 50 MP + 32 MP + 13 MP 200 MP + 8 MP 200 MP + 50 MP + 50 MP
Flash LED Flash LED Flash LED Flash
Features 50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, gimbal OIS
32 MP, f/2.4, 65mm (telephoto), 1/3.2", 0.7µm, PDAF, OIS, 3x optical zoom
13 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/3.0", 1.12µm
HDR, Panorama
200 MP, f/1.7, 23mm (wide), 1/1.4", 0.56µm, multi-directional PDAF, OIS
8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm
HDR, Panorama
200 MP, f/1.7, 24mm (wide), 0.5µm, PDAF, OIS
50 MP, f/3.0, 115mm (periscope telephoto), 1/2.75", 0.64µm, PDAF, OIS, 5x optical zoom
50 MP, f/2.4, 18mm, 102˚ (ultrawide), 1/2.88", 0.61µm
Color Spectrum Sensor, HDR, Panorama
Video 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+ 4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960/1920fps, gyro-EIS, HDR10+
Front Camera 32 MP, f/2.5, 22mm (wide), 1/3.2", 0.7µm
Panorama, HDR
1080p@30fps [Similar]
20 MP, f/2.2, 25mm (wide), 1/4.0", 0.7µm
HDR, panorama
1080p@30/60fps [Similar]
32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm

4K@30fps, 1080p@30/60fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE, 5G HSPA, LTE, 5G HSPA, LTE, 5G
Bluetooth 5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless 5.4, A2DP, LE 6.0, A2DP, LE, LHDC 5.0, ASHA, MIHC, Auracast
Wi-Fi 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/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
USB USB Type-C USB Type-C 2.0, OTG USB Type-C, OTG
GPS GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS GPS, GALILEO, GLONASS, QZSS, BDS GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
Browser Yes Yes Yes

memory User Memory

Internal 512 GB, 16 GB RAM or 256 GB, 12 GB RAM UFS 4.0 512 GB, 12 GB RAM or 512 GB, 8 GB RAM or 256 GB, 12 GB RAM or 256 GB, 8 GB RAM UFS 2.2 512 GB, 16 GB RAM or 512 GB, 12 GB RAM or 256 GB, 16 GB RAM or 256 GB, 12 GB RAM UFS 4.1
Expandable Storage No No No
USB OTG Not Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-ion Battery
Fast Battery Charging 65W wired, PD3.0, PPS, QC5, 100% in 39 min
15W wireless (Qi)
10W reverse wired
Non-removable Si/C Li-Ion Battery
Fast Battery Charging 45W wired
22.5W Reverse wired
Non-removable Si/C Li-Ion Battery
Fast Battery Charging 100W wired, PD3.0, QC3+, 100W PPS
50W wireless
27W reverse wired
22.5W reverse wireless
Capacity 5500 mAh 6580 mAh 9070 mAh
Stand by - - -
Talk Time - - -