Samsung Galaxy S23 Ultra vs Xiaomi Redmi Note 15 4G
81
out 100
VS
64
out 100
Compared 2 smartphones : Samsung Galaxy S23 Ultra Manufactured in February, 2023, with display 6.8 with chipsetSnapdragon 8 Gen 2 Mobile Platform for Galaxy, vs Xiaomi Redmi Note 15 4G, Manufactured in December, 2025 with chipsetMediaTek Helio G100 Ultra. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Samsung Galaxy S23 Ultra
- Larger display: 6.8in
- Higher pixel density: 500ppi
- Supports newer USB: 3.2 vs 2
- Supports DisplayPort
- Supports Dolby Atmos
- Built-in eSIM
Reasons to choose Xiaomi Redmi Note 15 4G
- Lighter design: 183.7g vs 233g
- Higher battery capacity: 6000mAh vs 5000mAh
Versions
| Memory Options | - 8/256 GB - 12/256 GB - 12/512 GB - 12/1024 GB |
- 6/128 GB - 8/128 GB - 8/256 GB - 8/512 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 | Dynamic AMOLED | AMOLED |
| Size | 6.8 in | 6.77 in |
| Resolution | 1440x3088 pixels | 1080x2340 pixels |
| Aspect ratio | 19.3:9 | n/a |
| Pixel density | 500 ppi | 388 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (1-120 Hz) | Yes (60-120 Hz) |
| Max brightness | 850 nits | n/a |
| HDR support | Yes HDR10+ | No |
| Touch Sampling Rate | 240 Hz | n/a |
| Screen-to-body ratio | 89.5 % | 89.7 % |
| Features | - DCI-P3 - Always-On Display |
DCI-P3 |
| sRGB gamut | 96.9 % | n/a |
| PWM (Flicker) | 240 Hz | n/a |
| Response time | 2 ms | n/a |
| Contrast | ∞ Infinite | n/a |
Design & Build
| Height | 163.4 mm (6.43 in) | 164 mm (6.46 in) |
| Width | 78.1 mm (3.07 in) | 75.4 mm (2.97 in) |
| Thickness | 8.9 mm (0.35 in) | 7.4 mm (0.29 in) |
| Weight | 233 g (8.22 oz) | 183.7 g (6.48 oz) |
| Water resistance | IP68 | IP64 |
| Cooling system | Vapor chamber | n/a |
| Back panel | Glass | Plastic |
| Frame | Metal | Plastic |
| Colors | - White - Black - Gray - Blue - Green - Red - Purple |
- Black - Blue - Green - Purple |
| Fingerprint sensor | Yes In-Display | Yes, In-Display |
Screen-to-body ratio
Performance
| Chipset | Snapdragon 8 Gen 2 Mobile Platform for Galaxy | MediaTek Helio G100 Ultra |
| Max Frequency | 3360 MHz | 2200 MHz |
| CPU Cores | 8 (1 + 2 + 2 + 3) | 8 (2 + 6) |
| Architecture | - 3/2 (Cortex-A510) - 2/2.8 (Cortex-A710) - 2/2.8 (Cortex-A715) - 1/3.2 (Cortex-X3) |
- 6/2 (Cortex-A55) - 2/2.2 (Cortex-A76) |
| Process | TSMC | TSMC |
| Transistor Size | 4 nm | 6 nm |
| Neural Processor | Hexagon | Yes |
| Graphics | Adreno 740 | Mali-G57 MP2 |
| GPU Cores | 1536 | 64 |
| GPU Frequency | 719 MHz | 1000 MHz |
| FLOPS | 2089 GFLOPS | 128 GFLOPS |
| Geekbench 6 (Single-Core) | 1976 | 730 |
| Geekbench 6 (Multi-Core) | 5221 | 2025 |
| CPU | 371084 | 132724 |
| GPU | 600732 | 72238 |
| Memory | 299004 | 109980 |
| UX | 270462 | 122242 |
| NanoReview Score | 1541246 | 437184 |
| Max Surface Temp. | 34.8 °C | n/a |
| Stability | 64 % | n/a |
| Graphics Test | 72 fps | n/a |
| Graphics Score | 12160 | n/a |
| Writing score | 19799 | n/a |
| Web score | 16101 | n/a |
| Video editing | 7815 | n/a |
| Data manipulation | 13142 | n/a |
| NanoReview Score | 16130 | n/a |
Memory
| RAM Size | - 8 GB - 12 GB |
6 GB |
| Memory Type | LPDDR5X | LPDDR4X |
| Memory Frequency | 4200 MHz | 2133 MHz |
| Channels | 4 | 2 |
| Storage Capacity | - 256 GB - 512 GB - 1024 GB | 128 GB |
| Storage Type | UFS 4.0 | UFS 2.2 |
| Memory Card | No | No |
Software
| OS | Android 13 (Upgradeable to Android 14) | Android 15 |
| OS Size | 39.9 GB | n/a |
| UI Skin | One UI 6.1 | HyperOS 2.0 |
Battery
| Volume | 5000 mAh | 6000 mAh |
| Max Charging Power | 45 W | 33 W |
| Battery Type | Li-ion | Silicon Carbon (Si/C) |
| Removable | No | No |
| Wireless Charging | Yes (15 W) | No |
| Reverse Charging | Yes (Wireless) | Yes |
| Fast Charging | Yes (68% in 30 min) | Yes |
| Full Charge Time | 0:59 h | n/a |
| Web Browsing | 09:57 h | n/a |
| Video Playback | 15:38 h | n/a |
| Games | 06:22 h | n/a |
| Standby Mode | 130 h | n/a |
Main camera
| Matrix | 200 MP | 108 MP |
| Photo resolution | 16320x12240 pixels | n/a |
| Zoom | Optical, 10x | Digital |
| Flash | LED | LED |
| Stabilization | Optical | Digital |
| 8K Recording | Yes (Up to 30 fps) | No |
| 4K Recording | Yes (Up to 60 fps) | No |
| 1080p Recording | Yes (Up to 120 fps) | Yes (Up to 30 fps) |
| Slow Motion | 960 fps (1080p) | n/a |
| Wide-angle lens | 120 ° | n/a |
| Lenses count | Standard: 200 MP Telephoto: 10 MP Telephoto: 10 MP Ultra-wide: 12 MP |
Standard: 108 MP Depth: 2 MP |
| Features | - Bokeh effect - Pro mode - RAW support |
- Bokeh effect - Pro mode |
| Matrix | 200 MP | 108 MP |
| Aperture | f/1.7 | f/1.7 |
| Focal length | 23 mm | 24 mm |
| Sensor | Samsung ISOCELL HP2 | n/a |
| Sensor size | 1/1.3 | 1/1.67 (0.6) |
| Pixel size | 0.64 μm | 0.64 μm |
| Autofocus | Laser autofocus | Phase autofocus |
| Stabilization | Optical | Digital |
| Matrix | 10 MP | n/a |
| Aperture | f/4.9 | n/a |
| Focal length | 230 mm | n/a |
| Sensor | Sony IMX754 | n/a |
| Sensor size | 1/3.52 | n/a |
| Pixel size | 1.12 μm | n/a |
| Stabilization | Optical | n/a |
| Matrix | 12 MP | n/a |
| Aperture | f/2.2 | n/a |
| Focal length | 13 mm | n/a |
| Sensor | Sony IMX564 | n/a |
| Sensor size | 1/2.55 | n/a |
| Pixel size | 1.4 μm | n/a |
| Stabilization | Digital | n/a |
| Bokeh | 70 | n/a |
| Preview | 73 | n/a |
| Zoom | 141 | n/a |
Front camera
| Matrix | 12 MP | 20 MP |
| Photo resolution | 4000x3000 pixels | n/a |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 26 mm | n/a |
| Sensor | Samsung S5K3LU | Omnivision OV02F |
| Sensor size | 1/3.24 | 1/5 (0.2) |
| Pixel size | 1.12 μm | 1.75 μm |
| Autofocus | Phase autofocus | No |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 60 fps | 1080p (Full HD) at 30 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 6E (802.11 a/b/g/n/ac/ax) | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - 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 | 2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - OTG |
| DisplayPort | Yes DP 1.2 | No |
| GPS | - GPS - GLONASS - Beidou - Galileo - QZSS |
- GPS - GLONASS - Beidou - Galileo - QZSS |
| NFC* | Yes | Varies by region |
| Infrared Port | No | No |
| SIM Count* | 1 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | Yes | No |
| Hybrid Slot | No | No |
| LTE category | 20 | n/a |
| 5G Support | Yes | No |
Sound
| Speakers | Stereo | n/a |
| 3.5 mm Jack | No | No |
| FM Radio | No | Yes |
| Dolby Atmos | Yes | n/a |
Other
| Class | Flagship | Mid-range |
| Announced | February, 2023 yr | December, 2025 yr |
| Release Date | February, 2023 yr | December, 2025 yr |
| Launch Price ($) | 1199 | n/a |
| Sensors | - Hall Sensor - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | No | n/a |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Samsung Galaxy S23 Ultra the clear winner in this comparison.
Survey
Total Votes: 0
