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Exclusive Report: Reviewing Xiaomi 15 Ultra and Oppo Find X8 Ultra in Detail
Xiaomi 15 Ultra
VS
Oppo Find X8 Ultra
Specifications
Xiaomi 15 Ultra
VS
Oppo Find X8 Ultra
Build Quality
| Device Height | 161.3 mm (6.35 inches) | 163.09 mm (6.42 inches) |
| Device Width | 75.3 mm (2.96 inches) | 76.8 mm (3.02 inches) |
| Device Thickness | 9.35 mm (0.37 inches) | 8.78 mm (0.35 inches) |
| Device Weight | 226 g (7.97 oz) | 226 g (7.97 oz) |
| Water Resistance | IP68 | IP69 |
| Enhanced Cooling System | Vapor chamber | Vapor chamber |
| Back Panel Material | Glass | Glass |
| Frame Construction | Metal | Metal |
| Available Color Options | White, Black, Silver, Green | White, Black, Pink |
| Biometric Security | Yes, in-display | Yes, in-display |
| Display Coverage | 90% | 89.7% |
System on Chip
| Processing Chip | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite |
| Maximum Clock Speed | 4320 MHz | 4320 MHz |
| Processor Core Count | 8 (2 + 6) | 8 (2 + 6) |
| CPU Architecture | - 6 cores at 3.53 GHz: Oryon (Phoenix M)- 2 cores at 4.32 GHz: Oryon (Phoenix L) | - 6 cores at 3.53 GHz: Oryon (Phoenix M)- 2 cores at 4.32 GHz: Oryon (Phoenix L) |
| Level 3 Cache | 8 MB | 8 MB |
| Production Details | TSMC | TSMC |
| Chip Manufacturing Process | 3 nanometers | 3 nanometers |
| AI Processing Unit | Hexagon | Hexagon |
| Graphics Processor | Adreno 830 | Adreno 830 |
| Graphics Clock Speed | 1100 MHz | 1100 MHz |
| GPU Shader Units | 1536 | 1536 |
| Computational Performance | ~3379.2 GFLOPS | ~3379.2 GFLOPS |
Random Access Memory
| Memory Capacity | 12 GB | 12 GB |
| Memory Clock Speed | 5300 MHz | 5300 MHz |
| Memory Technology | LPDDR5X | LPDDR5X |
| Memory Channels | 4 | 4 |
Storage Specifications
| Storage Capacity | 256 GB | 256 GB |
| Storage Technology | UFS 4.1 | UFS 4.1 |
| Expandable Storage | No | No |
Operating System
| OS Version | Android 15 (Can be upgraded to Android 16) | Android 15 (Can be upgraded to Android 16) |
| Read-Only Memory | HyperOS 3.0 | ColorOS 16 |
Battery Endurance Tests
| Web Browsing Battery Life | 12:19 hr | 13:45 hr |
| Video Playback Battery Life | 18:43 hr | 18:49 hr |
| Standby Battery Duration | 141 hr | 109 hr |
Primary Camera
| Camera Sensor Configuration | 50 megapixels | 50 megapixels |
| Zoom Capability | 169 | 151 |
| Camera Flash | Dual LED | Dual LED |
| 8K Video Support | Up to 30FPS | No |
| 4K Video Support | Up to 120FPS | Up to 120FPS |
| Full HD Video Support | Up to 60FPS | Up to 120FPS |
| Slow-Motion Video | 1920 FPS (1080p) | 480 FPS (720p) |
| Widest Lens Field of View | 115° | 120° |
| Camera Lens Count | 1) Standard: 50 MP 2) Telephoto: 200 MP 3) Telephoto: 50 MP 4) Ultrawide: 50 MP 5) Depth | 1) Standard: 50 MP 2) Telephoto: 50 MP 3) Telephoto: 50 MP 4) Ultrawide: 50 MP |
| Camera Special Features | - Bokeh mode - Pro mode - RAW support | - Bokeh mode - Pro mode - RAW support |
Front Camera
| Front Camera Megapixels | 32 megapixels | 32 megapixels |
| Front Camera Resolution | 6528 x 4896 | 6560 x 4928 |
| Front Camera Aperture | f/2.0 | f/2.4 |
| Front Camera Focal Length | 22 mm | 21 mm |
| Front Camera Sensor | Omnivision OV32B | LYT-506 |
| Front Camera Sensor Dimensions | 1/3.14" (≈ 0.32 inch) | 1/2.74" (≈ 0.36 inch) |
| Front Camera Pixel Size | 0.7 micron | 0.8 micron |
| Front Camera Autofocus | No | Phase autofocus |
| Front Camera Stabilization | Digital | Digital |
| Front Camera Video Resolution | 2160p (4K) at 60 FPS | 2160p (4K) at 60 FPS |
| 3D Depth Sensor | No | No |
Network Specifications
| SIM Card Count | 2 | 2 |
| SIM Card Type | Nano | Nano |
| Dual SIM Functionality | Standby | Standby |
| eSIM Capability | Yes | No |
| Hybrid SIM Slot | No | No |
| 2G Network Support | GSM 2/3/5/8 | GSM 850/900/1800MHz |
| 3G Network Support | WCDMA 1/2/4/5/6/8/19 | WCDMA 1/4/5/8 |
| 4G Network Support | LTE 1/2/3/4/5/7/8/12/17/18/19/20/26/28/34/38/39/40/41/42/48/66 | LTE 1/3/4/5/7/8/18/19/20/26/28A/34/38/39/40/41/42/48/66 |
| 5G Network Compatibility | Yes | Yes |
Audio Specifications
| Sound Output | Stereo | Stereo |
| 3.5mm Audio Jack | No | No |
| FM Radio | No | No |
| Advanced Audio Processing | Yes | No |
Additional Features
| Product Category | Flagship | Flagship |
| Announcement Date | February 2025 | April 2025 |
| Initial Pricing | $1099 | $999 |
| Sensor List | - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
Final Rating
| Display Rating | 95 | 94 |
| Camera Rating | 94 | 97 |
| Gaming Performance Rating | 96 | 98 |
| Battery Rating | 97 | 94 |
| Connectivity Rating | 98 | 90 |
| Overall Review Score | 94 | 94 |
Phone Price Comparison
Xiaomi 15 Ultra
$1,099.00 USD
EUR
923.93
INR
99,563.58
NGN
1,487,608.16
JPY
169,940.57
MYR
4,312.15
CNY
7,603.65
ZAR
17,522.02
RUB
84,946.99
GBP
804.91
CHF
843.48
Oppo Find X8 Ultra
$999.00 USD
EUR
839.86
INR
90,504.11
NGN
1,352,248.00
JPY
154,477.37
MYR
3,919.78
CNY
6,911.78
ZAR
15,927.66
RUB
77,217.51
GBP
731.67
CHF
766.73
