Xiaomi Redmi 15C 5G vs Xiaomi 17 Ultra
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Compared 2 smartphones : Xiaomi Redmi 15C 5G Manufactured in September, 2025, with display 6.9 with chipsetMediaTek Dimensity 6300, vs Xiaomi 17 Ultra, Manufactured in December, 2025 with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Xiaomi Redmi 15C 5G
- Lighter design: 211g vs 224g
Reasons to choose Xiaomi 17 Ultra
- Higher pixel density: 416ppi
- Higher battery capacity: 6800mAh vs 6000mAh
- Supports newer USB: 3.2 vs 2
- Supports DisplayPort
- Supports Dolby Atmos
- Infrared port
- Built-in eSIM
Versions
| Memory Options | - 4/128 GB - 4/256 GB |
- 12/512 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 | IPS LCD | AMOLED |
| Size | 6.9 in | 6.9 in |
| Resolution | 720x1600 pixels | 1200x2608 pixels |
| Aspect ratio | 20:9 | 19.5:9 |
| Pixel density | 254 ppi | 416 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | Yes (1-120 Hz) |
| Max brightness | 810 nits | 1200 nits |
| HDR support | No | Yes, Dolby Vision |
| Touch Sampling Rate | 240 Hz | n/a |
| Screen-to-body ratio | 81.8 % | 92.4 % |
| Features | n/a | - DCI-P3 - Always-On Display - DC dimming |
Design & Build
| Height | 173.2 mm (6.82 in) | 162.9 mm (6.41 in) |
| Width | 81.1 mm (3.19 in) | 77.6 mm (3.06 in) |
| Thickness | 8.2 mm (0.32 in) | 8.29 mm (0.33 in) |
| Weight | 211 g (7.44 oz) | 224 g (7.9 oz) |
| Water resistance | IP64 | IP69 |
| Cooling system | n/a | Vapor chamber |
| Back panel | n/a | Eco Leather |
| Frame | Plastic | Metal |
| Colors | - Black - Green - Purple |
- White - Black - Green - Purple |
| Fingerprint sensor | Yes, In-Button | Yes, In-Display |
Screen-to-body ratio
Performance
| Chipset | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 |
| Max Frequency | 2400 MHz | 4610 MHz |
| CPU Cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6/2 (Cortex-A55) - 2/2.4 (Cortex-A76) |
6/3.63 () |
| Process | TSMC | TSMC |
| Transistor Size | 6 nm | 3 nm |
| Neural Processor | Yes | Hexagon |
| Graphics | Mali-G57 MP2 | Adreno 840 |
| GPU Cores | 64 | 1536 |
| GPU Frequency | 1072 MHz | 1200 MHz |
| FLOPS | 137.2 GFLOPS | 3686.4 GFLOPS |
| Geekbench 6 (Single-Core) | 474 | 3510 |
| Geekbench 6 (Multi-Core) | 1591 | 10993 |
| Geekbench Compute (GPU) | 374 | n/a |
| CPU | 142611 | 1198653 |
| GPU | 66999 | 1458267 |
| Memory | 96658 | 501472 |
| UX | 104779 | 805382 |
| NanoReview Score | 411047 | 3963774 |
Memory
| RAM Size | 4 GB | 12 GB |
| Memory Type | LPDDR4X | LPDDR5X |
| Memory Frequency | 2133 MHz | 5300 MHz |
| Channels | 2 | 4 |
| Storage Capacity | 128 GB | 512 GB |
| Storage Type | eMMC 5.1 | UFS 4.1 |
| Memory Card | MicroSD | No |
Software
| OS | Android 15 | Android 16 |
| UI Skin | HyperOS 2.0 | HyperOS 3 |
Battery
| Volume | 6000 mAh | 6800 mAh |
| Max Charging Power | 33 W | 90 W |
| Battery Type | Li-Po | Silicon Carbon (Si/C) |
| Removable | No | No |
| Wireless Charging | No | Yes (50 W) |
| Reverse Charging | Yes | Yes, (Wireless) |
| Fast Charging | Yes (50% in 40 min) | Yes |
| Full Charge Time | 1:38 h | n/a |
Main camera
| Matrix | 50 MP | 50 MP |
| Photo resolution | 8160x6144 pixels | 8192x6144 pixels |
| Zoom | Digital | Optical, 4.3x |
| Flash | LED | Dual LED |
| Stabilization | Digital | Optical |
| 8K Recording | No | Yes (Up to 30 fps) |
| 4K Recording | No | Yes (Up to 120 fps) |
| 1080p Recording | Yes (Up to 30 fps) | Yes (Up to 120 fps) |
| Slow Motion | n/a | 1920 fps (720p) |
| Wide-angle lens | n/a | 115 ° |
| Lenses count | Standard: 50 MP Depth |
Standard: 50 MP Telephoto: 200 MP Ultra-wide: 50 MP |
| Features | - Bokeh effect - Pro mode |
- Bokeh effect - Pro mode - RAW support |
| Matrix | 50 MP | 50 MP |
| Aperture | f/1.8 | f/1.7 |
| Focal length | 28 mm | 23 mm |
| Sensor | Samsung S5KJNS | n/a |
| Sensor size | 1/2.96 | 1/1 (1) |
| Pixel size | 0.64 μm | 1.6 μm |
| Autofocus | Phase autofocus | Laser autofocus |
| Stabilization | Digital | Optical |
| Matrix | n/a | 200 MP |
| Aperture | n/a | f/2.4 - 3.0 |
| Focal length | n/a | 100 mm |
| Sensor size | n/a | 1/1.4 (0.71) |
| Pixel size | n/a | 0.56 μm |
| Stabilization | n/a | Optical |
| Matrix | n/a | 50 MP |
| Aperture | n/a | f/2.2 |
| Focal length | n/a | 14 mm |
| Sensor | n/a | OmniVision OV50M40 |
| Sensor size | n/a | 1/2.88 (0.35) |
| Pixel size | n/a | 0.61 μm |
| Stabilization | n/a | Digital |
Front camera
| Matrix | 8 MP | 50 MP |
| Photo resolution | n/a | 8192x6144 pixels |
| Aperture | f/2.0 | f/2.2 |
| Sensor | CMOS | CMOS |
| Sensor size | 1/3.06 | 1/2.88 (0.35) |
| Pixel size | 1.12 μm | 0.61 μm |
| Autofocus | No | Phase autofocus |
| Stabilization | No | Digital |
| Video resolution | 1080p (Full HD) at 30 fps | 2160p (4K) at 60 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| Wi-Fi features | - Dual Band - 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 | 5.4 |
| 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 - Beidou - Galileo |
- GPS - GLONASS - Beidou - Galileo - QZSS - NAVIC |
| NFC* | Varies by region | Yes |
| Infrared Port | No | Yes |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | No | Yes |
| Hybrid Slot | No | No |
| 2G Bands | n/a | GSM B2 / B3 / B5 / B8 |
| 3G Bands | n/a | WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19 |
| LTE Bands* | n/a | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66/B71) |
| 5G Support | Yes | Yes |
Sound
| 3.5 mm Jack | Yes | No |
| FM Radio | Yes | No |
| Dolby Atmos | No | Yes |
Other
| Class | Budget | Flagship |
| Announced | September, 2025 yr | December, 2025 yr |
| Release Date | September, 2025 yr | December, 2025 yr |
| MSRP ($) | 175 | n/a |
| Sensors | - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | Yes, 33 W | Yes, 100 W |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Xiaomi 17 Ultra the clear winner in this comparison.
Survey
Total Votes: 0
