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Head-to-Head: Xiaomi 15 Ultra vs Samsung Galaxy S23 Ultra
Xiaomi 15 Ultra
VS
Samsung Galaxy S23 Ultra
Specifications
Xiaomi 15 Ultra
VS
Samsung Galaxy S23 Ultra
Build Quality
| Device Height | 161.3 mm (6.35 inches) | 163.4 mm (6.43 inches) |
| Device Width | 75.3 mm (2.96 inches) | 78.1 mm (3.07 inches) |
| Device Thickness | 9.35 mm (0.37 inches) | 8.9 mm (0.35 inches) |
| Device Weight | 226 g (7.97 oz) | 233 g (8.22 oz) |
| Water Resistance | IP68 | IP68 |
| 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, Gray, Blue, Green, Red, Purple |
| Biometric Security | Yes, in-display | Yes, in-display |
| Display Coverage | 90% | 89.5% |
System on Chip
| Processing Chip | Qualcomm Snapdragon 8 Elite | Snapdragon 8 Gen 2 Mobile Platform for Galaxy |
| Maximum Clock Speed | 4320 MHz | 3360 MHz |
| Processor Core Count | 8 (2 + 6) | 8 (1 + 2 + 2 + 3) |
| CPU Architecture | - 6 cores at 3.53 GHz: Oryon (Phoenix M)- 2 cores at 4.32 GHz: Oryon (Phoenix L) | - 3 cores at 2 GHz: Cortex-A510- 2 cores at 2.8 GHz: Cortex-A710- 2 cores at 2.8 GHz: Cortex-A715- 1 core at 3.2 GHz: Cortex-X3 |
| Level 3 Cache | 8 MB | 8 MB |
| Production Details | TSMC | TSMC |
| Chip Manufacturing Process | 3 nanometers | 4 nanometers |
| AI Processing Unit | Hexagon | Hexagon |
| Graphics Processor | Adreno 830 | Adreno 740 |
| Graphics Clock Speed | 1100 MHz | 719 MHz |
| GPU Shader Units | 1536 | 1536 |
| Computational Performance | ~3379.2 GFLOPS | ~2089 GFLOPS |
Random Access Memory
| Memory Capacity | 12 GB | 8 GB |
| Memory Clock Speed | 5300 MHz | 4200 MHz |
| Memory Technology | LPDDR5X | LPDDR5X |
| Memory Channels | 4 | 4 |
Storage Specifications
| Storage Capacity | 256 GB | 256 GB |
| Storage Technology | UFS 4.1 | UFS 4.0 |
| Expandable Storage | No | No |
Operating System
| OS Version | Android 15 (Can be upgraded to Android 16) | Android 13 (Can be upgraded to Android 16) |
| Read-Only Memory | HyperOS 3.0 | One UI 8.0 |
Battery Endurance Tests
| Web Browsing Battery Life | 12:19 hr | 09:57 hr |
| Video Playback Battery Life | 18:43 hr | 15:38 hr |
| Standby Battery Duration | 141 hr | 130 hr |
Primary Camera
| Camera Sensor Configuration | 50 megapixels | 200 megapixels |
| Zoom Capability | 169 | 141 |
| Camera Flash | Dual LED | LED |
| 8K Video Support | Up to 30FPS | Up to 30FPS |
| 4K Video Support | Up to 120FPS | Up to 60FPS |
| Full HD Video Support | Up to 60FPS | Up to 120FPS |
| Slow-Motion Video | 1920 FPS (1080p) | 960 FPS (1080p) |
| 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: 200 MP 2) Telephoto: 10 MP 3) Telephoto: 10 MP 4) Ultrawide: 12 MP |
| Camera Special Features | - Bokeh mode - Pro mode - RAW support | - Bokeh mode - Pro mode - RAW support |
Front Camera
| Front Camera Megapixels | 32 megapixels | 12 megapixels |
| Front Camera Resolution | 6528 x 4896 | 4000 x 3000 |
| Front Camera Aperture | f/2.0 | f/2.2 |
| Front Camera Focal Length | 22 mm | 26 mm |
| Front Camera Sensor | Omnivision OV32B | Samsung S5K3LU |
| Front Camera Sensor Dimensions | 1/3.14" (≈ 0.32 inch) | 1/3.24" (≈ 0.31 inch) |
| Front Camera Pixel Size | 0.7 micron | 1.12 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 | 1 |
| SIM Card Type | Nano | Nano |
| Dual SIM Functionality | Standby | Standby |
| eSIM Capability | Yes | Yes |
| Hybrid SIM Slot | No | No |
| 2G Network Support | GSM 2/3/5/8 | |
| 3G Network Support | WCDMA 1/2/4/5/6/8/19 | |
| 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 | |
| 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 | Yes |
Additional Features
| Product Category | Flagship | Flagship |
| Announcement Date | February 2025 | February 2023 |
| Initial Pricing | $1099 | $1199 |
| Sensor List | - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint | - Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
Final Rating
| Display Rating | 95 | 87 |
| Camera Rating | 94 | 84 |
| Gaming Performance Rating | 96 | 74 |
| Battery Rating | 97 | 85 |
| Connectivity Rating | 98 | 83 |
| Overall Review Score | 94 | 80 |
Phone Price Comparison
Xiaomi 15 Ultra
$1,099.00 USD
EUR
925.03
INR
99,721.06
NGN
1,483,647.03
JPY
168,500.11
MYR
4,304.01
CNY
7,603.21
ZAR
17,450.58
RUB
84,847.75
GBP
805.57
CHF
846.56
Samsung Galaxy S23 Ultra
$1,199.00 USD
EUR
1,009.20
INR
108,794.86
NGN
1,618,646.76
JPY
183,832.24
MYR
4,695.64
CNY
8,295.04
ZAR
19,038.44
RUB
92,568.20
GBP
878.87
CHF
923.59
