Xiaomi 13 Ultra vs Samsung Galaxy S23 Ultra
74
out of 100
VS
75
out of 100
Here we compared two flagship smartphones: the 6.73-inch Xiaomi 13 Ultra (with Qualcomm Snapdragon 8 Gen 2) that was released on April 18, 2023, against the Samsung Galaxy S23 Ultra, which is powered by Snapdragon 8 Gen 2 Mobile Platform for Galaxy and came out 2 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Select the amount of RAM to evaluate performance and value for money more precisely
Key differences
Reasons to consider the Xiaomi 13 Ultra
- Has 50% more RAM: 12GB versus 8GB
- Supports higher wattage charging (90W versus 45W)
- Compatible with the latest Wi-Fi 7 wireless networks
- Slow-motion recording at 1920FPS
- Has 2 SIM card slots
- Has a built-in infrared port
Reasons to consider the Samsung Galaxy S23 Ultra
- The rear camera has a 10x optical zoom
- Shows 11% longer battery life (26:01 vs 23:30 hours)
- More recent OS version: Android 16 versus 14
- The front-facing camera can record video at 4K
- Ready for eSIM technology
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Select your primary usage scenario to get a more accurate NanoReview Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | Dynamic AMOLED |
| Size | 6.73 inches | 6.8 inches |
| Resolution | 1440 x 3200 pixels | 1440 x 3088 pixels |
| Aspect ratio | 20:9 | 19.3:9 |
| PPI | 522 ppi | 500 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes | Yes (24-120 Hz) |
| Max rated brightness | 1300 nits | 1200 nits |
| Max rated brightness in HDR | 2600 nits | 1750 nits |
| HDR support | Yes, Dolby Vision | Yes, HDR10+ |
| Touch sampling rate | 240 Hz | 240 Hz |
| Screen protection | Gorilla Glass Victus | Gorilla Glass Victus 2 |
| Screen-to-body ratio | 89.7% | 89.5% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display |
| RGB color space | 97.4% | 96.9% |
| PWM | 120 Hz | 240 Hz |
| Response time | 1 ms | 2 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 163.18 mm (6.42 inches) | 163.4 mm (6.43 inches) |
| Width | 74.64 mm (2.94 inches) | 78.1 mm (3.07 inches) |
| Thickness | 9.06 mm (0.36 inches) | 8.9 mm (0.35 inches) |
| Weight | 227 g (8.01 oz) | 233 g (8.22 oz) |
| Waterproof | IP68 | IP68 |
| Advanced cooling | Vapor chamber | Vapor chamber |
| Rear material | Eco-leather | Glass |
| Frame material | Metal | Metal |
| Colors | White, Black, Green | White, Black, Gray, Blue, Green, Red, Purple |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Gen 2 | Snapdragon 8 Gen 2 Mobile Platform for Galaxy |
| Max clock | 3200 MHz | 3360 MHz |
| CPU cores | 8 (1 + 2 + 2 + 3) | 8 (1 + 2 + 2 + 3) |
| Architecture | - 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 |
- 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 |
| L3 cache | 8 MB | 8 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 4 nanometers | 4 nanometers |
| Neural processor (NPU) | Hexagon | Hexagon |
| Graphics | Adreno 740 | Adreno 740 |
| GPU shading units | 1536 | 1536 |
| GPU clock | 680 MHz | 680 MHz |
| FLOPS | ~2089 GFLOPS | ~2089 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | - | 9254 |
| Single-core score | 1995 | 2010 |
| Multi-core score | 5419 | 5245 |
AnTuTu Benchmark 11
| CPU | 579418 | 556398 |
| GPU | 433654 | 445907 |
| Memory | 329244 | 285085 |
| UX | 454407 | 474949 |
| Total score | 1796720 | 1762339 |
| Samples | [12 tests] | [31 tests] |
3DMark Steel Nomad Light
| Stability | 96% | 81% |
| Graphics test | 7 FPS | 8 FPS |
| Graphics score | 1011 | 1098 |
3DMark Solar Bay
| Stability | 98% | 77% |
| Graphics test | 20 FPS | 20 FPS |
| Section 1 | 23 FPS | 23 FPS |
| Section 2 | 20 FPS | 20 FPS |
| Section 3 | 17 FPS | 18 FPS |
| Graphics score | 5228 | 5383 |
3DMark Wild Life Extreme
| Stability | 91% | 69% |
| Graphics test | 20 FPS | 22 FPS |
| Graphics score | 3488 | 3723 |
PCMark 3.0
| Web score | - | 17072 |
| Video editing | - | 7852 |
| Photo editing | - | 33655 |
| Data manipulation | - | 13329 |
| Writing score | - | 19857 |
Recent User Tests
Xiaomi 13 Ultra
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-08-06 (berkayvaihimself) | AnTuTu | 1874805 |
| 📘 2026-07-23 (Zalupachos) | AnTuTu | 1766026 |
| 📘 2026-06-23 (Kotosti) | AnTuTu | 1782088 |
| 📘 2026-05-23 (Acolute) | AnTuTu | 1815019 |
| 📘 2026-05-08 (Zerok|Tech) | AnTuTu | 1842097 |
Samsung Galaxy S23 Ultra
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-08-07 (Turtle tech) | AnTuTu | 1789039 |
| 📘 2026-07-21 (Jedidiah) | AnTuTu | 1621561 |
| 📘 2026-07-20 (Khải) | GeekBench CPU | 1642 / 5251 |
| 📘 2026-07-20 (Khải) | AnTuTu | 1796597 |
| 📘 2026-05-14 (Trizer) | AnTuTu | 1763324 |
Memory
| RAM size | 12 GB | 8 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | 3200 MHz | 4200 MHz |
| Channels | 4 | 4 |
| Storage size | 256 GB | 256 GB |
| Storage type | UFS 4.0 | UFS 4.0 |
| Memory card | No | No |
Software
| Operating system | Android 13 (Can be upgraded to Android 14) | Android 13 (Can be upgraded to Android 16) |
| ROM | HyperOS 1.0 | One UI 8.0 |
| OS size | - | 39.9 GB |
| OS updates | 3 years | 4 years |
| Security updates | 5 years | 5 years |
Battery
| Capacity | 5000 mAh | 5000 mAh |
| Max charge power | 90 W | 45 W |
| Battery type | Li-Po | Li-Ion |
| Replaceable | No | No |
| Wireless charging | Yes (50 W) | Yes (15 W) |
| Reverse charging | Yes | Yes, (wireless) |
| Bypass charging | - | Yes |
| Fast charging | Yes (58% in 15 min) | Yes (68% in 30 min) |
| Full charging time | 0:40 hr | 0:59 hr |
| Web browsing | 09:36 hr | 09:57 hr |
| Watching video | 13:10 hr | 15:38 hr |
| Gaming | 05:28 hr | 06:22 hr |
| Standby | 117 hr | 130 hr |
General battery life
Smartphones With Long Battery Life (#138th place)
Main camera
| Matrix | 50.3 megapixels | 200 megapixels |
| Image resolution | 8192 x 6144 | 16320 x 12240 |
| Zoom | Optical, 5x | Optical, 10x |
| Flash | Dual LED | LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 24FPS | Up to 30FPS |
| 4K video recording | Up to 60FPS | Up to 60FPS |
| 1080p video recording | Up to 60FPS | Up to 120FPS |
| Slow motion | 1920 FPS (1080p) | 960 FPS (1080p) |
| Angle of widest lens | 122° | 120° |
| Lenses | 1) Standard: 50.3 MP 2) Telephoto: 50 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 features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode - RAW support |
| Image resolution | 50.3 MP | 200 MP |
| Aperture | f/1.9 - 4.0 | f/1.7 |
| Focal length | 23 mm | 23 mm |
| Sensor | Sony IMX989 | Samsung ISOCELL HP2 |
| Sensor size | 1/1" (≈ 1 inch) | 1/1.3" (≈ 0.77 inch) |
| Pixel size | 1.6 micron | 0.64 micron |
| Autofocus | Laser autofocus | Laser autofocus |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 10 MP |
| Aperture | f/3.0 | f/4.9 |
| Focal length | 120 mm | 230 mm |
| Sensor | Sony IMX858 | Sony IMX754 |
| Sensor size | 1/2.51" (≈ 0.4 inch) | 1/3.52" (≈ 0.28 inch) |
| Pixel size | 0.64 micron | 1.12 micron |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 12 MP |
| Aperture | f/1.8 | f/2.2 |
| Focal length | 12 mm | 13 mm |
| Sensor | Sony IMX858 | Sony IMX564 |
| Sensor size | 1/2.51" (≈ 0.4 inch) | 1/2.55" (≈ 0.39 inch) |
| Pixel size | 0.64 micron | 1.4 micron |
| Stabilization | Digital | Digital |
DxOMark main camera tests
Photo quality
Video quality
Generic main camera score
| Bokeh | 65 | 70 |
| Preview | 72 | 73 |
| Zoom | 147 | 141 |
| Samples | Photo samples of Xiaomi 13 Ultra from DxOMark | Photo samples of Samsung Galaxy S23 Ultra from DxOMark |
Selfie camera
| Megapixels | 32 megapixels | 12 megapixels |
| Image resolution | 6528 x 4896 | 4000 x 3000 |
| Aperture | f/2.0 | f/2.2 |
| Focal length | 22 mm | 26 mm |
| Sensor | CMOS | Samsung S5K3LU |
| Sensor size | 1/3.14" (≈ 0.32 inch) | 1/3.24" (≈ 0.31 inch) |
| Pixel size | 0.7 micron | 1.12 micron |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 60 FPS | 2160p (4K) at 60 FPS |
| Depth sensor (TOF 3D) | No | No |
DxOMark front camera
| Photo | 123 | 139 |
| Video | 137 | 145 |
Connectivity
| Wi-Fi standard | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) | Wi-Fi 6E (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth features | LE | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.2 | 3.2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| DisplayPort | Yes, DP 1.2 | Yes, DP 1.2 |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo, QZSS |
| NFC* | Yes | Yes |
| Infrared port | Yes | No |
| Number of SIM* | 2 | 1 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | Yes |
| Hybrid slot | No | No |
| LTE Cat* | 20 | 20 |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Flagship | Flagship |
| Announced | April 2023 | February 2023 |
| Release date | April 2023 | February 2023 |
| Launch price (MSRP) | $1499 | $1199 |
| Successor | - Xiaomi 17 Ultra | - Samsung Galaxy S26 Ultra |
| SAR (head) | - | 0.96 W/kg |
| SAR (body) | - | 1.4 W/kg |
| Sensors | - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 90 W | Not included |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the battery life and software are more important to you, then choose the Samsung Galaxy S23 Ultra. But if the connectivity and design are more of a priority – go for the Xiaomi 13 Ultra.
Cast your vote
Total votes: 4176
