Xiaomi 15 vs Asus Zenfone 12 Ultra
Compare Xiaomi 15 and Asus Zenfone 12 Ultra to understand which one suits your needs the best. The Xiaomi 15 is priced from ₹64,999, while Asus Zenfone 12 Ultra is available at ₹90,000 respectively. In terms of performance and features, each device offers a unique combination of processor, display, camera, and battery capabilities. Explore their complete specifications and key differences side-by-side to make a well-informed buying decision.
Xiaomi 15 vs Asus Zenfone 12 Ultra Comparison Overview
| Key Highlights | Xiaomi 15 | Asus Zenfone 12 Ultra |
|---|---|---|
| Price | ₹64,999 | ₹90,000 |
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite |
| Display | 6.36", 1.5K AMOLED, 120Hz | 6.78", FHD+ AMOLED, 144Hz |
| Rear Camera | 50MP (Wide-angle), 50MP (Telephoto), 50MP (Ultra-wide), 32MP (Front) | 50MP (Wide-angle), 32MP (Telephoto), 13MP (Ultra-wide), 32MP (Front) |
| Battery | 5240mAh, 90Watt, Charger in the box | 5500mAh, 65Watt, Charger in the box |
| RAM/Storage | 12GB (LPDDR5X), 512GB (UFS 4.0) | 12GB (LPDDR5X), 256GB (UFS 4.0) |
Performance Scorecard
Key Specifications
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | ||
|---|---|---|---|---|
| Display | 6.36", 1.5K AMOLED, 120Hz | 6.78", FHD+ AMOLED, 144Hz | ||
| Camera | 50MP (Wide-angle), 50MP (Telephoto), 50MP (Ultra-wide), 32MP (Front) | 50MP (Wide-angle), 32MP (Telephoto), 13MP (Ultra-wide), 32MP (Front) | ||
| Battery | 5240mAh, 90Watt, Charger in the box | 5500mAh, 65Watt, Charger in the box | ||
| RAM | 12GB (LPDDR5X) | 12GB (LPDDR5X) | ||
| Storage | 512GB (UFS 4.0) | 256GB (UFS 4.0) |
General
| Box Contents | Phone, 90W Charger, Type-C Cable, Case, SIM Ejector Tool | Phone, Type-C Cable, Case, SIM Ejector Tool | ||
|---|---|---|---|---|
| Colors | Black, Green, White | Sage Green, Sakura White, Ebony Black | ||
| Launch | March 11, 2025 | February 06, 2025 | ||
| Stores | Xiaomi, Amazon, Flipkart, Reliance Digital | |||
| Launch Country | India | Taiwan | ||
| Launch Price | ₹64,999 | ₹90,000 |
Display
🏆 Winner: Xiaomi 15
| Display Type | AMOLED | AMOLED | ||
|---|---|---|---|---|
| Refresh Rate | 120Hz | 144Hz | ||
| LTPO Support | Yes | Yes | ||
| Playback Quality | Dolby Vision | HDR10 | ||
| Display Engine | Pro HDR | E6 | ||
| Touch Sampling Rate | 300Hz | 720Hz | ||
| Display Size | 6.36 inches | 6.78 inches | ||
| Area | 97.6cm² | 111cm² | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 90 | - | ||
| Resolution Width | 1200 pixels | 1080 pixels | ||
| Resolution Height | 2670 pixels | 2400 pixels | ||
| Aspect Ratio | 20:9 | 20:9 | ||
| Pixel Density | 460ppi | 388ppi | ||
| Display Bit Rate | 12-bit | 10-bit | ||
| Color Gamut Range | 100% | 107.37% | ||
| Display Resolution | 1.5K | FHD+ | ||
| Peak Brightness | 3200 nits | 2500 nits | ||
| Eye Protection | TUV Rheinland certification | - | ||
| Contrast Ratio | 8,000,000:1 | - | ||
| Colour Gamut | DCI-P3 | DCI-P3 | ||
| Colour Depth | 68.7 Billion Colours | 1.07 Billion Colours | ||
| Typical Brightness | - | 800 nits | ||
| High Brightness | - | 1600 nits |
Body
🏆 Winner: Asus Zenfone 12 Ultra
| Height | 152.3mm | 163.8mm | ||
|---|---|---|---|---|
| Width | 71.2mm | 77mm | ||
| Thickness | 8.08mm | 8.9mm | ||
| Weight | 191 grams | 220 grams | ||
| Screen Material | Xiaomi Shield Glass | Gorilla Glass Victus 2 | ||
| Display Protection | Xiaomi Shield Glass | Gorilla Glass Victus 2 | ||
| Back Material | Glass | Glass | ||
| Side Material | Aluminium Frame | Aluminium Frame | ||
| Build Quality | Xiaomi Shield Glass | - | ||
| Ports | USB Type-C 3.2 | USB Type-C | ||
| Additional Features | USB Type-C (bottom) | Display Port 1.4, OTG, USB Type-C (bottom) | ||
| IP Rating | IP68 (Dust and Water Resistant) | IP68 (Dust and Water Resistant) | ||
| Speaker | Stereo Speakers | Stereo Speakers | ||
| Sound Tuning | Dolby Atmos | - |
Processor
🏆 Winner: Tie
| Chipset Manufacturer | Qualcomm | Qualcomm | ||
|---|---|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Elite | ||
| Fabrication Size | 3nm | 3nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | 2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M | 2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M | ||
| Cooling System | Xiaomi IceLoop System | Vapor Chamber Cooling | ||
| GPU | Adreno 830 | Adreno 830 |
Performance Benchmarks
| AnTuTu | 2745854 | 2745854 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 3155 | 3155 |
Main Camera
🏆 Winner: Xiaomi 15
| Main Camera #1 Megapixel | 50MP | 50MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/1.62 | f/1.9 | ||
| Main Camera #1 Lens Type | Wide-angle | Wide-angle | ||
| Main Camera #1 Camera Sensor | Light Fusion 900 | Sony LYT 700 | ||
| Main Camera #1 Sensor Size | 1/1.31" | 1/1.56" | ||
| Main Camera #1 Camera Features | Dual Pixel PDAF, OIS | Gimbal OIS, PDAF | ||
| Main Camera #2 Megapixel | 50MP | 32MP | ||
| Main Camera #2 Aperture | f/2.0 | f/2.4 | ||
| Main Camera #2 Field of View | 39 | - | ||
| Main Camera #2 Lens Type | Telephoto | Telephoto | ||
| Main Camera #2 Camera Sensor | Samsung ISOCELL JN | OmniVision OV32C | ||
| Main Camera #2 Sensor Size | 1/2.76" | 1/3.2" | ||
| Main Camera #2 Camera Features | OIS, PDAF | 3x Optical Zoom, OIS, PDAF | ||
| Main Camera #3 Megapixel | 50MP | 13MP | ||
| Main Camera #3 Aperture | f/2.2 | f/2.2 | ||
| Main Camera #3 Field of View | 115 | 120 | ||
| Main Camera #3 Lens Type | Ultra-wide | Ultra-wide | ||
| Main Camera #3 Sensor Size | 1/2.76" | - | ||
| Features | Documents Mode, Dual LED Dual Tone Flash, Fastshot Mode, Filter, HDR, Laser Auto Focus, Long Exposure, Night mode, panorama, Portrait mode, Pro mode, RAW Image, Super Macro, Supermoon, Watermark | HDR, LED flash | ||
| Camera Stabilization | Hybrid Stabilization | Gimbal Stabilization | ||
| Raw Photo Support | Yes | Yes | ||
| Dynamic Video Recording Support | HDR 10+ recording | HDR 10+ recording | ||
| Stereo Sound Recording Support | Yes | - | ||
| Slow Motion Recording | 960 fps slomo | 480 fps slomo | ||
| Auto Focus Type | Dual Pixel Auto Focus | - | ||
| Max Zoom Supported | 50-100X | - | ||
| Lens Enhancements | Leica | - | ||
| Video Features | 10-bit Log, 10-bit rec., Dolby Vision, Dual Video, gyro-EIS, HDR, HDR10+, Movie Mode, Slow Motion, Xiaomi Pro Focus | gyro-EIS, HDR10+ | ||
| Video Recording | 1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 1080p@960fps, 4K@24fps, 4K@30fps, 4K@60fps, 720p@1920fps, 8K@24fps, 8K@30fps | 1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 4K@120fps, 4K@30fps, 4K@60fps, 720p@480fps, 8K@30fps | ||
| Log Video Recording Support | Yes | - |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 15 | 15 | ||
| OS Skin | Xiaomi HyperOS | Zen UI | ||
| Inbuilt AI | Xiaomi HyperAI | - | ||
| Gaming Mode | Yes | Yes | ||
| Desktop Mode | Yes | - | ||
| AI Frame Interpolation | Yes | - | ||
| Bloatware Free OS | Yes | Yes | ||
| OS Updates | 4 year(s) | 2 year(s) | ||
| Security Updates | 6 year(s) | 5 year(s) | ||
| AI Features | AI Assistant, AI Dynamic Wallpapers, AI Editor, AI Erase Pro, AI Film, AI Image Enhancements, AI Image Expansion, AI Image Generation, AI Interpreter, AI Performance, AI Photo Enhancements, AI Reflection Remover, AI Remover, AI Search, AI Speech Recognition, AI Summary, AI Writing, Circle to Search, Gemini Live, Xiaomi AI Creativity Assistant | AI Gaming, Call Translator, Hyper Clarity, Transcript |
Selfie Camera
🏆 Winner: Xiaomi 15
| Front Camera #1 Megapixel | 32MP | 32MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.0 | f/2.5 | ||
| Front Camera #1 Focal Length | 21mm | 22mm | ||
| Front Camera #1 Pixel Size | 0.7µm | 1.4µm | ||
| Front Camera #1 Field of View | 90 | - | ||
| Front Camera #1 Lens Type | Wide | Wide | ||
| Front Camera #1 Sensor Size | 1/3.1" | - | ||
| Front Camera #1 Camera Features | Auto Focus, Digital Zoom, gyro-EIS | - | ||
| Features | Gesture Selfie, HDR Photos, Palm shutter, Portrait Mode, Screen flash, Time Lapse | - | ||
| Auto Focus Type | Dual Pixel Auto Focus | - | ||
| Video Features | gyro-EIS, HDR10+, Slow motion, Time Lapse, Video Teleprompter | 1080p@30fps | ||
| Video Recording | 4k@60fps | 1080@30fps | ||
| HDR Recording Support | HDR 10+ recording | - | ||
| Front Camera #1 Camera Sensor | - | OmniVision OV32C |
Camera Samples
Battery
🏆 Winner: Xiaomi 15
| Battery Capacity | 5240mAh | 5500mAh | ||
|---|---|---|---|---|
| Battery Type | Silicon Carbon | Lithium Polymer | ||
| Wireless Charging Support | Yes | Yes | ||
| Reverse Wireless Charging Support | Yes | - | ||
| Charging Speed Wired | 90W | 65W | ||
| Charging Speed Wireless | 50W | - | ||
| Charging Speed Reverse Wireless | 10W | - | ||
| Charging Standards Supported | PD2.0, PD3.0, QC2.0, QC3.0, QC3+, Xiaomi MI FC 2.0 | - | ||
| Reverse Wired Charging Support | - | Yes | ||
| Charging Speed Reverse Wired | - | 10W |
Network
| Sim Type | Dual SIM (nano-SIM & e-SIM) or Dual SIM (nano-SIM, dual stand-by) | Dual SIM (nano-SIM, dual stand-by) | ||
|---|---|---|---|---|
| Network Support | 5G | 5G | ||
| Band Types | 5G, GSM, LTE FDD, LTE TD, WCDMA | 5G, GSM, HSPA, LTE | ||
| 2G Bands | 2, 3, 5, 8 | 1800, 1900, 850, 900 | ||
| 3G Bands | WCDMA 1, 2, 4, 5, 6, 8, 19 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | ||
| 4G Bands | LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 39, 40, 41, 42, 48, 66 | 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 | ||
| 5G Bands | SA/NSA 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 75, 77, 78 | 1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 |
Connectivity
🏆 Winner: Asus Zenfone 12 Ultra
| Wi-Fi Standards | Wi-Fi 6 802.11 a/b/g/n/ac/ax | Wi-Fi 7 802.11 a/b/g/n/ac/ax/be | ||
|---|---|---|---|---|
| Wi-Fi Version | WiFi 6 | WiFi 7 | ||
| Bluetooth Version | 6 | 5.4 | ||
| Bluetooth Codecs | A2DP, aptX Adaptive, aptX HD, LE, LHDC 5.0 | A2DP, aptX Adaptive, aptX HD, aptX Lossless, LE | ||
| GPS | A-GPS, Beidou, Galileo (E1+E5a), GLONASS (G1), GPS (L1+L5), NavIC (L5), QZSS (L1+L5) | GPS (L1+L5), NavIC (L5), QZSS (L1+L5) | ||
| NFC Support | Supported | Supported |
Features
| Fingerprint Scanner | Ultrasonic (under display) | Optical (under display) | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Ambient Light Sensor, Barometer Sensor, E-Compass, Electronic Compass, Flicker Sensor, Gyroscope, IR Blaster, Laser Sensor, Proximity Sensor, Two-way Satellite Communication | Accelerometer, Ambient Light Sensor, Compass, Gyroscope, Proximity Sensor | ||
| Haptic Feedback | X-axis Linear Motor | - |













