Xiaomi 15 Ultra vs Asus Zenfone 12
Quick Comparison
Xiaomi 15 Ultra has better RAM than Asus Zenfone 12. In terms of display resolution, Xiaomi 15 Ultra has better resolution of 3200 x 1440 than Asus Zenfone 12 which has resolution of 2400 x 1080. Xiaomi 15 Ultra has more internal memory than Asus Zenfone 12
| Name | Xiaomi 15 Ultra | Asus Zenfone 12 |
| RAM | 16 GB | 8 GB |
|---|---|---|
| Display | 6.73 in | 6.4 in |
| Internal Memory | 512 GB | 256 GB |
| Battery | 5410 mAh | 5000 mAh |
| Camera | 50 MP Quad | 50 MP + 50 MP + 5 MP Triple |
| Price | Rs. 109999 | Rs. 79990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is March 11, 2025. The cost of Xiaomi 15 Ultra is Rs. 109999. The launch Date of the second phone is expected to be December 29, 2025 (Expected). The cost of Asus Zenfone 12 is Rs. 79990.
Display comparison
Asus Zenfone 12 has screen size of 6.4 inches which falls short to Xiaomi 15 Ultra's 6.73 inch screen. Xiaomi 15 Ultra has LTPO AMOLED Screen type where as Asus Zenfone 12 has Super AMOLED Screen type. Xiaomi's phone has display density of 522 PPI & Asus's phone has only 411 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 89.7% than Asus's phone ~ 84.8%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Xiaomi 15 Ultra's larger 16 GB RAM is better for playing games and all with respect to Asus Zenfone 12's lower 8 GB RAM. Xiaomi 15 Ultra has more Internal Memory (512 GB) than Asus Zenfone 12 (256 GB).
Camera comparison
Xiaomi 15 Ultra has 50 MP Quad Rear Camera in comparison to Asus Zenfone 12's 50 MP + 50 MP + 5 MP Triple Rear Camera. Asus Zenfone 12 will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Xiaomi 15 Ultra's 32 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
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Full Comparison
| Name | Xiaomi 15 Ultra | Asus Zenfone 12 |
| General | ||
| Model | Mi 15 Ultra | Zenfone 12 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | March 11, 2025 | December 29, 2025 (Expected) |
| In The Box | Mobile Phone, Adapter, USB Type-C Cable, SIM Eject Tool, Protective Case, Safety Information, Quick Start Guide and Warranty Card, Desiccant | |
| Design | ||
| Dimensions | 75.3 x 161.3 x 9.48 mm | |
| Weight | 229 g | |
| Colors | Silver Chrome | |
| Display | ||
| Type | Color LTPO AMOLED Screen (68 B) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes, 300 Hz Touch Sampling Rate | Yes |
| Size | 6.73 inches, 1440 x 3200 pixels, 120 Hz | 6.4 inches, 1080 x 2400 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 522 PPI | ~ 411 PPI |
| Screen to Body Ratio | ~ 89.7% | ~ 84.8% |
| Glass Type | Xiaomi Shield Glass 2.0 | Corning Gorilla Glass Victus |
| Features | Dolby Vision, HDR10+, 3200 nits (peak), 1920Hz PWM dimming / DC dimming, Original color PRO, Pro HDR, Wet Touch Technology, HDR10+, Dolby Vision, TÜV Rheinland Low Blue Light (Hardware Solution) Certified, TÜV Rheinland Flicker Free Certified, TÜV Rheinland Circadian Friendly Certified | Always-on display, 4000nits Brightness |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 16 GB | 8 GB |
| Storage | 512 GB | 256 GB |
| Storage Type | UFS 4.1 | UFS 4.0 |
| Card Slot | No | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA:n1/2/3/5/7/8/12/20/25/26/28A/28B/38/40/41/48/66/75/77/78/79/71, NSA: n1/3/5/7/8/20/28/38/40/41/66/75/77/78/79/71 | 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 41, 77, 78 SA/NSA |
| VoLTE | Yes, Dual Stand-By | Yes |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | WiFi 6 support | Wi-Fi 7 |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX HD | Yes, v5.3, A2DP, LE, aptX HD, aptX Adaptive |
| USB | Yes, USB-C v3.2 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | GPS: L1+L5, Galileo: E1+E5a, GLONASS: G1, Beidou, QZSS: L1 + L5, NavIC: L5, A-GPS Supplementary Positioning, Electronic Compass, Wireless Network, Data Network, SAP | Yes, with dual-band A-GPS, GLONASS, GALILEO, BDS, QZSS, NavIC |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Proximity Sensor, Ambient Light Sensor, Accelerometer, Gyroscope, Electronic Compass, IR Blaster, Laser Autofocus, Barometer, Flicker Sensor, X-Axis Linear Vibration Motor | Accelerator, Electronic Compass, Distance sensor, Light sensor, gyroscope scope , Hall sensor |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min, IP65/IP68 |
| IP Rating | IP68 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | LPDDR5X RAM, Xiaomi 3D Dual-Channel IceLoop system, Stereo Speakers, 4-Mic Array | Dual Stereo Speakers |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.6 (Wide Angle) 23mm (wide), 1.0"-type, 1.6µm, multi-directional PDAF, OIS 50 MP ƒ/1.8 (Telephoto) 70mm (telephoto), 1/2.51", 0.7µm, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom 200 MP ƒ/2.6 (ultra telephoto) 100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 4.3x optical zoom 50 MP ƒ/2.2 (Ultra Wide) 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF | 50 MP (Wide Angle) 50 MP (Ultra Wide) 5 MP |
| Camera Sensor | LYT-900 | Sony IMX766 |
| Auto Focus | Yes | Yes |
| Features | Leica Summilux Optical Lens, Laser AF, Color Spectrum Sensor, Leica Lenses, Two Leica Photographic Styles (Leica Authentic Look, Leica Vibrant Look), Leica Filters, Leica Classic Shutter Sound, Leica Watermark, Xiaomi ProFocus (Motion Tracking Focus, Eye Tracking Focus and Motion Capture), Lightning Burst, Digital Zoom Up to 120x, HDR, Dynamic Shot, Portrait Mode, Master-Lens System (23mm-135mm), 50MP Mode (Wide/Ultra Wide/Telephoto), 200MP Mode (Periscope), Super Macro, Panorama, Long Exposure, Documents, Fastshot Mode, Supermoon, Pro Mode, Image Formats Captured: DNG, HEIF, JPEG, RAW Mode, UltraRAW: 16-Bit, Rear Camera Video Features, Movie Mode, ShootSteady, Slow Motion, Dual Video, Time-Lapse, Ultra Night Video, Video Pro Mode, Video Log Format | photo, video, portrait, professional (supports RAW files), professional video, light track, panorama, night scene, time-lapse/slo-mo |
| Video Recording | 8K @ 30 fps UHD, 1080p @ 30/60 fps FHD, 4K @ 120/30/60 fps UHD | 8K @ 24 fps UHD, 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2 (Wide Angle) 21mm, 90° FOV Punch Hole, Autofocus, Screen Flash | 50 MP (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | Xiaomi HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite |
| CPU | 4.32 GHz, Octa Core Processor | 4.32 GHz, Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz & Qualcomm AI engine | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz |
| GPU | Adreno 830 | Adreno GPU |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB | Yes |
| Video | MP4, MKV, WEBM, 3GP, TS, HDR10+, Supports HDR Display When Playing HDR10+, Dolby Vision®, HDR Vivid Video Content | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5410 mAh, Xiaomi Surge Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 90W HyperCharge | Yes, 44W Fast Charging |
| Wireless Charging | Yes, 80W HyperCharge | Yes, 15W |
| Reverse Charging | Yes | Yes, 5W |
| Reverse Wireless Charging | Yes | |