The Xiaomi 15 Ultra and Xiaomi 14 Ultra are flagship smartphones that showcase Xiaomi’s commitment to innovation and performance.
📑 Table of Contents
- 📏 Size Comparison
- 🖥️ Display Comparison
- 🔋 Battery Life
- ⚡ Charging Speed
- 🔊 Speaker Test
- 🚀 Performance
- 📊 Benchmark Performance
- 📸 Camera Comparison
- 🎥 Video Quality
- 🏆 Overall Verdict
📏 Size Comparison
| Feature | Xiaomi 15 Ultra | Xiaomi 14 Ultra |
|---|---|---|
| Dimensions | Approx. 163.2 x 74.6 x 9.5 mm | Approx. 163.2 x 74.6 x 9.5 mm |
| Weight | Approx. 230g | Approx. 225g |
| Display Size | 6.81 inches | 6.81 inches |
| Display Type | AMOLED, 120Hz refresh rate | AMOLED, 120Hz refresh rate |
| Screen-to-Body Ratio | ~90% | ~90% |
| Build Material | Glass front and back, aluminum frame | Glass front and back, aluminum frame |
| Thickness | 9.5 mm | 9.5 mm |
| Color Options | Black, White, Green | Black, White, Blue |
| IP Rating | IP68 (dust/water resistant) | IP68 (dust/water resistant) |
🖥️ Display Comparison
| Feature | Xiaomi 15 Ultra | Xiaomi 14 Ultra |
|---|---|---|
| Display Size | 6.81 inches | 6.81 inches |
| Display Type | AMOLED | AMOLED |
| Resolution | 3200 x 1440 pixels (QHD+) | 3200 x 1440 pixels (QHD+) |
| Refresh Rate | 120Hz (adaptive) | 120Hz (adaptive) |
| Peak Brightness | 3000 nits | 2600 nits |
| HDR Support | Dolby Vision, HDR10+, HLG | Dolby Vision, HDR10+, HLG |
| Color Accuracy | 10-bit, DCI-P3 wide color gamut | 10-bit, DCI-P3 wide color gamut |
| Protection | Gorilla Glass Victus 2 | Gorilla Glass Victus |
| Always-On Display | Yes | Yes |
| Screen-to-Body Ratio | ~94% | ~94% |
🔋 Battery Life
| Feature | Xiaomi 15 Ultra | Xiaomi 14 Ultra |
|---|---|---|
| Battery Capacity | 5,500 mAh | 5,000 mAh |
| Charging Speed | 120W wired, 80W wireless | 90W wired, 50W wireless |
| Reverse Charging | Yes (10W) | Yes (10W) |
| Battery Technology | Silicon-carbon battery (improved efficiency) | Lithium-polymer battery |
| Screen-on Time (SOT) | ~8-10 hours (estimated) | ~7-9 hours |
| Standby Time | Up to 2 days | Up to 1.5 days |
| Power Efficiency | Improved (due to newer chipset and software) | Good (optimized for performance) |
| Software Optimization | Xiaomi HyperOS with advanced power management | MIUI 14 with power-saving modes |
| Fast Charging Support | Yes (charges 0-100% in ~20 minutes) | Yes (charges 0-100% in ~30 minutes) |
⚡ Charging Speed
| Feature | Xiaomi 15 Ultra | Xiaomi 14 Ultra |
|---|---|---|
| Battery Capacity | 5,500 mAh | 5,000 mAh |
| Wired Charging | 120W HyperCharge | 90W HyperCharge |
| Wireless Charging | 80W Wireless Charging | 50W Wireless Charging |
| Reverse Charging | 10W Reverse Wireless Charging | 10W Reverse Wireless Charging |
| Charging Time (0-100%) | ~18 minutes (wired), ~35 minutes (wireless) | ~30 minutes (wired), ~50 minutes (wireless) |
| Charging Technology | Dual-cell battery with advanced cooling | Dual-cell battery with cooling |
| Compatibility | USB-PD and QC5 compatible | USB-PD and QC4+ compatible |
🔊 Speaker Test
| Feature | Xiaomi 15 Ultra | Xiaomi 14 Ultra |
|---|---|---|
| Speaker Configuration | Stereo speakers (tuned by Harman Kardon) | Stereo speakers |
| Audio Output | High-resolution audio support (24-bit/192kHz) | High-resolution audio support (24-bit/192kHz) |
| Dolby Atmos | Yes (with spatial audio) | Yes |
| Volume Levels | Louder and clearer (improved driver design) | Loud and clear |
| Bass Performance | Enhanced bass (dedicated woofer) | Good bass |
| Clarity & Detail | Excellent (with Harman Kardon tuning) | Very Good |
| 3D Audio Support | Yes (with head tracking) | Yes |
| Speaker Placement | Bottom-firing + earpiece (balanced sound) | Bottom-firing + earpiece |
| AI Audio Enhancements | AI Noise Cancellation, Adaptive Sound | AI Noise Cancellation |
| Gaming Audio | Optimized for low latency and immersive sound | Good for gaming |
🚀 Performance
| Feature | Xiaomi 15 Ultra | Xiaomi 14 Ultra |
|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Gen 2 |
| CPU | Octa-core (1x Cortex-X4, 5x Cortex-A720, 2x Cortex-A520) | Octa-core (1x Cortex-X3, 4x Cortex-A715, 3x Cortex-A510) |
| GPU | Adreno 750 | Adreno 740 |
| RAM | 12GB / 16GB LPDDR5X | 12GB LPDDR5X |
| Storage | 256GB / 512GB / 1TB UFS 4.0 | 256GB / 512GB UFS 4.0 |
| Cooling System | Advanced LiquidCool Technology 3.0 | LiquidCool Technology 2.0 |
| Benchmark Scores | ~1,800,000 (Antutu v10) | ~1,500,000 (Antutu v10) |
| 5G Support | Yes (Sub-6 GHz and mmWave) | Yes (Sub-6 GHz and mmWave) |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E |
| Bluetooth | Bluetooth 5.4 | Bluetooth 5.3 |
| Operating System | Xiaomi HyperOS (Based on Android 14) | MIUI 14 (Based on Android 13) |
| AI Capabilities | Enhanced AI Engine with Gen 3 NPU | AI Engine with Gen 2 NPU |
📊 Benchmark Performance
AnTuTu 10
| Device | Total Score | CPU Score | GPU Score | Memory Score | UX Score |
|---|---|---|---|---|---|
| Xiaomi 15 Ultra | 2,742,399 | 604,150 | 1,162,963 | 541,237 | 434,049 |
| Xiaomi 14 Ultra | 2,033,389 | 425,684 | 835,492 | 399,568 | 321,869 |
GeekBench 6
| Device | Single-Core Score | Multi-Core Score |
|---|---|---|
| Xiaomi 15 Ultra | 3,191 | 8,705 |
| Xiaomi 14 Ultra | 2,191 | 6,705 |
3DMark
| Device | OpenGL ES Score | Vulkan Score |
|---|---|---|
| Xiaomi 15 Ultra | 30,263 | 21,073 |
| Xiaomi 14 Ultra | 28,263 | 19,073 |
📸 Camera Comparison
| Feature | Xiaomi 15 Ultra | Xiaomi 14 Ultra |
|---|---|---|
| Rear Camera Setup | Quad: 50 MP (main), 50 MP (ultrawide), 50 MP (telephoto), 50 MP (periscope) | Quad: 50 MP (main), 50 MP (ultrawide), 50 MP (telephoto), 50 MP (periscope) |
| Main Sensor | 1-inch Sony IMX989 with f/1.6 aperture | 1-inch Sony IMX989 with f/1.9 aperture |
| Front Camera | 32 MP | 32 MP |
| Zoom Capabilities | 5x optical, 120x digital | 5x optical, 120x digital |
| Video Resolution | Up to 8K @ 30fps | Up to 8K @ 24fps |
| Stabilization | OIS + EIS (Advanced stabilization) | OIS + EIS |
| HDR Video | Dolby Vision HDR | HDR10+ |
| Slow Motion | 1080p @ 960fps, 4K @ 120fps | 1080p @ 960fps, 4K @ 120fps |
| Low-Light Performance | Excellent (with larger sensor and AI Night Mode 2.0) | Excellent (with AI Night Mode) |
| AI Features | AI Cinema Mode, AI Tracking, AI Color Grading | AI Cinema Mode, AI Tracking |
| Software Enhancements | Xiaomi HyperOS camera optimizations | MIUI Camera optimizations |
🎥 Video Quality
| Feature | Xiaomi 15 Ultra | Xiaomi 14 Ultra |
|---|---|---|
| Rear Camera Setup | Quad: 50 MP (main), 50 MP (ultrawide), 50 MP (telephoto), 50 MP (periscope) | Quad: 50 MP (main), 50 MP (ultrawide), 50 MP (telephoto), 50 MP (periscope) |
| Front Camera | 32 MP | 32 MP |
| Video Resolution | Up to 8K @ 30fps | Up to 8K @ 24fps |
| Stabilization | OIS + EIS (Advanced stabilization) | OIS + EIS |
| HDR Video | Dolby Vision HDR | Dolby Vision HDR |
| Slow Motion | 1080p @ 960fps, 4K @ 120fps | 1080p @ 960fps, 4K @ 120fps |
| Low-Light Performance | Excellent (with larger sensor and AI Night Mode 2.0) | Excellent (with AI Night Mode) |
| AI Features | AI Cinema Mode, AI Tracking, AI Color Grading | AI Cinema Mode, AI Tracking |
| Audio Quality | Stereo recording with spatial audio | Stereo recording with spatial audio |
| Software Enhancements | Xiaomi HyperOS camera optimizations | Xiaomi MIUI camera optimizations |
🏆 Overall Verdict
🔹 Pros
✅ Xiaomi 15 Ultra:
- 📸 Camera Upgrade – 200MP periscope lens for superior zoom and low-light performance.
- 🚀 Performance Boost – Snapdragon 8 Elite chipset provides faster processing and efficiency.
- 🔋 Bigger Battery – 5410mAh capacity for extended usage.
- 🌞 Brighter Display – Peak brightness of 3200 nits, ideal for outdoor visibility.
- 📊 Higher Benchmark Scores – Significantly better AnTuTu performance.
✅ Xiaomi 14 Ultra:
- 📱 Lighter & Slimmer – More compact and comfortable to hold.
- 💰 Potentially More Affordable – Likely to drop in price as the new model launches.
- 🔄 Still a Powerful Device – Snapdragon 8 Gen 3 and Leica optics deliver a premium experience.
🔹 Cons
❌ Xiaomi 15 Ultra:
- ⚖️ Heavier & Bulkier – Slightly thicker and heavier due to its battery and camera setup.
- 💰 Higher Price – The latest tech comes at a premium cost.
❌ Xiaomi 14 Ultra:
- 📉 Older Processor – Snapdragon 8 Gen 3 is still powerful but slightly behind the newer 8 Elite.
- 🔍 Lower Zoom Capabilities – 50MP periscope lens instead of the 200MP upgrade in the 15 Ultra.
- 🔋 Smaller Battery – 5000mAh compared to the 5410mAh in the newer model.
