Nothing Phone (3a) Pro vs Xiaomi 15 Ultra
70
out 100
VS
95
out 100
Compared 2 smartphones : Nothing Phone (3a) Pro Manufactured in March, 2025, with display 6.77 with chipsetQualcomm Snapdragon 7s Gen 3, vs Xiaomi 15 Ultra, Manufactured in February, 2025 with chipsetQualcomm Snapdragon 8 Elite. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Nothing Phone (3a) Pro
- Larger display: 6.77in
- Lighter design: 211g vs 226g
Reasons to choose Xiaomi 15 Ultra
- Higher pixel density: 522ppi
- Higher battery capacity: 5410mAh vs 5000mAh
- Newer Bluetooth version: 6.0 vs 5.4
- Supports newer USB: 3.2 vs 2
- Supports DisplayPort
- Supports Dolby Atmos
- Infrared port
- Includes charger
Versions
| Memory Options | - 8/128 GB - 8/256 GB - 12/256 GB |
- 12/256 GB - 16/512 GB - 16/1024 GB |
Review
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonDisplay
| Type | AMOLED | AMOLED |
| Size | 6.77 in | 6.73 in |
| Resolution | 1080x2392 pixels | 1440x3200 pixels |
| Aspect ratio | n/a | 20:9 |
| Pixel density | 387 ppi | 522 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | Yes (1-120 Hz) |
| Max brightness | 1300 nits | n/a |
| HDR support | Yes HDR10+ | Yes Dolby Vision |
| Touch Sampling Rate | n/a | 300 Hz |
| Screen-to-body ratio | 88 % | 90 % |
| Features | - DCI-P3 - Always-On Display - DC dimming |
- DCI-P3 - Always-On Display - DC dimming |
| sRGB gamut | n/a | 99.7 % |
| PWM (Flicker) | n/a | 120 Hz |
| Response time | n/a | 1 ms |
| Contrast | n/a | ∞ Infinite |
Design & Build
| Height | 163.52 mm (6.44 in) | 161.3 mm (6.35 in) |
| Width | 77.5 mm (3.05 in) | 75.3 mm (2.96 in) |
| Thickness | 8.39 mm (0.33 in) | 9.35 mm (0.37 in) |
| Weight | 211 g (7.44 oz) | 226 g (7.97 oz) |
| Water resistance | IP64 | IP68 |
| Cooling system | Vapor chamber | Vapor chamber |
| Back panel | n/a | Glass |
| Frame | n/a | Metal |
| Colors | - Black - Gray |
- White - Black - Silver - Green |
| Fingerprint sensor | Yes In-Display | Yes In-Display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 7s Gen 3 | Qualcomm Snapdragon 8 Elite |
| Max Frequency | 2500 MHz | 4320 MHz |
| CPU Cores | 8 (1 + 3 + 4) | 8 (2 + 6) |
| Architecture | - 4/1.8 (Kryo Silver (Cortex-A520)) - 3/2.4 (Kryo Gold (Cortex-A720)) - 1/2.5 (Kryo Prime (Cortex-A720)) |
- 6/3.53 (Oryon (Phoenix M)) - 2/4.32 (Oryon (Phoenix L)) |
| Process | TSMC | TSMC |
| Transistor Size | 4 nm | 3 nm |
| Neural Processor | Yes | Hexagon |
| Graphics | Adreno 810 | Adreno 830 |
| GPU Cores | 256 | 1536 |
| GPU Frequency | 1050 MHz | 1100 MHz |
| FLOPS | 537.6 GFLOPS | 3379.2 GFLOPS |
| Geekbench 6 (Single-Core) | 1182 | 3008 |
| Geekbench 6 (Multi-Core) | 3357 | 9065 |
| Geekbench Compute (GPU) | 4459 | n/a |
| CPU | 273000 | 558586 |
| GPU | 192089 | 1040161 |
| Memory | 135075 | 520300 |
| UX | 150509 | 425326 |
| NanoReview Score | 750673 | 2544373 |
Memory
| RAM Size | - 8 GB - 12 GB |
12 GB |
| Memory Type | LPDDR5 | LPDDR5X |
| Memory Frequency | 3200 MHz | 5333 MHz |
| Channels | 4 | 2 |
| Storage Capacity | - 128 GB - 256 GB | 256 GB |
| Storage Type | n/a | UFS 4.1 |
| Memory Card | No | No |
Software
| OS | Android 15 | Android 15 |
| OS Size | n/a | 23.9 GB |
| UI Skin | Nothing OS 3.1 | HyperOS 2.0 |
Battery
| Volume | 5000 mAh | 5410 mAh |
| Max Charging Power | 50 W | 90 W |
| Battery Type | Li-Po | Silicon Carbon (Si/C) |
| Removable | No | No |
| Wireless Charging | No | Yes (80 W) |
| Reverse Charging | No | Yes (Wireless) |
| Fast Charging | Yes (60% in 15 min) | Yes (72% in 30 min) |
| Full Charge Time | 1:05 h | 0:51 h |
| Web Browsing | 08:09 h | 12:19 h |
| Video Playback | 16:21 h | 18:43 h |
| Games | 05:48 h | 06:45 h |
| Standby Mode | 120 h | 141 h |
Main camera
| Matrix | 50 MP | 50 MP |
| Photo resolution | 8192x6144 pixels | 8192x6144 pixels |
| Zoom | Optical, 3x | Optical, 4.3x |
| Flash | LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K Recording | No | Yes (Up to 30 fps) |
| 4K Recording | Yes (Up to 30 fps) | Yes (Up to 120 fps) |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 60 fps) |
| Slow Motion | 240 fps (720p) | 1920 fps (1080p) |
| Wide-angle lens | 120 ° | 115 ° |
| Lenses count | Standard: 50 MP Telephoto: 50 MP Ultra-wide: 8 MP |
Standard: 50 MP Telephoto: 200 MP Telephoto: 50 MP Ultra-wide: 50 MP Depth |
| Features | - Bokeh effect - Pro mode |
- Bokeh effect - Pro mode - RAW support |
| Matrix | 50 MP | 50 MP |
| Aperture | f/1.9 | f/1.63 |
| Focal length | 24 mm | 23 mm |
| Sensor | Sony LYT-600 | Sony LYT-900 |
| Sensor size | 1/1.56 | 1/1.0 |
| Pixel size | 1 μm | 1.6 μm |
| Autofocus | Phase autofocus (Dual Pixel) | Laser autofocus |
| Stabilization | Optical | Optical |
| Matrix | 50 MP | 200 MP |
| Aperture | f/2.6 | f/2.6 |
| Focal length | 70 mm | 100 mm |
| Sensor | n/a | Samsung ISOCELL S5KHP9 |
| Sensor size | 1/1.95 | 1/1.4 |
| Pixel size | 0.8 μm | 0.56 μm |
| Stabilization | Optical | Optical |
| Matrix | 8 MP | 50 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 15 mm | 14 mm |
| Sensor | Sony IMX355 | Samsung S5KJN5 |
| Sensor size | 1/4.0 | 1/2.76 |
| Pixel size | 1.12 μm | 0.64 μm |
| Stabilization | Digital | Digital |
| Bokeh | n/a | 80 |
| Preview | n/a | 89 |
Front camera
| Matrix | 50 MP | 32 MP |
| Photo resolution | 8192x6144 pixels | 6528x4896 pixels |
| Aperture | f/2.2 | f/2.0 |
| Focal length | 24 mm | 22 mm |
| Sensor | n/a | Omnivision OV32B |
| Sensor size | 1/2.76 | 1/3.14 |
| Pixel size | n/a | 0.7 μm |
| Autofocus | n/a | No |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 30 fps | 2160p (4K) at 60 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | 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 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 | 5.4 | 6.0 |
| Bluetooth features | LE | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 3.2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - OTG |
| DisplayPort | No | Yes |
| GPS | - GPS - GLONASS - Galileo - QZSS |
- GPS - GLONASS - Beidou - Galileo - QZSS - NAVIC |
| NFC* | Yes | Yes |
| Infrared Port | No | Yes |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | Yes | Yes |
| Hybrid Slot | No | No |
| 2G Bands | GSM 850/900/1800/1900 | GSM 2/3/5/8 |
| 3G Bands | UMTS 1, 2, 4, 5, 6, 8, 19 | WCDMA 1/2/4/5/6/8/19 |
| LTE Bands* | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66) | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66) |
| 5G Support | Yes | Yes |
Sound
| Speakers | Stereo | n/a |
| 3.5 mm Jack | No | No |
| FM Radio | No | No |
| Dolby Atmos | n/a | Yes |
Other
| Class | Mid-range | Flagship |
| Announced | March, 2025 yr | February, 2025 yr |
| Release Date | March, 2025 yr | February, 2025 yr |
| Launch Price ($) | 459 | n/a |
| MSRP ($) | n/a | 1099 |
| Sensors | - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | No | Yes 90 W |
Note
Xiaomi 15 Ultra:
The Chinese version of the Xiaomi 15 Ultra has a 6000 mAh battery, while the international model comes with 5410 mAh, leading to a noticeable difference in battery life.
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Xiaomi 15 Ultra the clear winner in this comparison.
Survey
Total Votes: 1
