Xiaomi Redmi 15 4G vs Xiaomi 15T
Compared 2 smartphones : Xiaomi Redmi 15 4G Manufactured in August, 2025, with display 6.9 with chipsetQualcomm Snapdragon 685, vs Xiaomi 15T, Manufactured in September, 2025with chipsetMediaTek Dimensity 8400 Ultra. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Xiaomi Redmi 15 4G
- Larger display: 6.9in
- Higher refresh rate: 144Hz
- Higher battery capacity: 7000mAh vs 5500mAh
- Includes charger
Reasons to choose Xiaomi 15T
- Higher pixel density: 447ppi
- Lighter design: 194g vs 224g
- Newer Bluetooth version: 6.0 vs 5
- Supports Dolby Atmos
- Built-in eSIM
Versions
| Memory Options | - 6/128 GB - 8/256 GB |
- 12/256 GB - 12/512 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 | IPS LCD | AMOLED |
| Size | 6.9 in | 6.83 in |
| Resolution | 1080x2340 pixels | 1280x2772 pixels |
| Aspect ratio | 19.5:9 | 19.5:9 |
| Pixel density | 374 ppi | 447 ppi |
| Refresh rate | 144 Hz | 120 Hz |
| Adaptive refresh rate | Yes | Yes |
| HDR support | No | Yes, Dolby Vision |
| Touch Sampling Rate | n/a | 480 Hz |
| Screen-to-body ratio | 83.1 % | 89.9 % |
| Features | n/a | - DCI-P3 - Always-On Display - DC dimming |
Design & Build
| Height | 171.1 mm (6.74 in) | 163.2 mm (6.43 in) |
| Width | 82.1 mm (3.23 in) | 78 mm (3.07 in) |
| Thickness | 8.6 mm (0.34 in) | 7.5 mm (0.3 in) |
| Weight | 224 g (7.9 oz) | 194 g (6.84 oz) |
| Water resistance | IP64 | IP68 |
| Cooling system | n/a | Vapor chamber |
| Back panel | Plastic | n/a |
| Frame | Plastic | Plastic |
| Colors | - Black - Gray - Purple |
- Black - Gray - Rose Gold |
| Fingerprint sensor | Yes, In-Button | Yes, In-Display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 685 | MediaTek Dimensity 8400 Ultra |
| Max Frequency | 2800 MHz | 3250 MHz |
| CPU Cores | 8 (4 + 4) | 8 (1 + 3 + 4) |
| Architecture | - 4/1.9 (Cortex-A53) - 4/2.8 (Cortex-A73) |
- 4/2.1 (Cortex-A725) - 3/3 (Cortex-A725) - 1/3.25 (Cortex-A725) |
| Process | TSMC | TSMC |
| Transistor Size | 6 nm | 4 nm |
| Neural Processor | Hexagon 686 | MediaTek NPU 880 |
| Graphics | Adreno 610 | Mali-G720 MP7 |
| GPU Cores | 128 | 896 |
| GPU Frequency | 1260 MHz | 1300 MHz |
| FLOPS | 322.6 GFLOPS | 2329.6 GFLOPS |
| Geekbench 6 (Single-Core) | 475 | 1603 |
| Geekbench 6 (Multi-Core) | 1514 | 6413 |
| Geekbench Compute (GPU) | n/a | 11228 |
| CPU | 114885 | 448609 |
| GPU | 57988 | 683486 |
| Memory | 103236 | 396486 |
| UX | 104881 | 344246 |
| NanoReview Score | 380990 | 1872827 |
Memory
| RAM Size | 6 GB | 12 GB |
| Memory Type | LPDDR4X | LPDDR5X |
| Memory Frequency | 2133 MHz | n/a |
| Channels | 2 | 4 |
| Storage Capacity | 128 GB | 256 GB |
| Storage Type | UFS 2.2 | UFS 4.1 |
| Memory Card | MicroSD | No |
Software
| OS | Android 15 | Android 15 |
| UI Skin | HyperOS 2.0 | HyperOS 2.0 |
Battery
| Volume | 7000 mAh | 5500 mAh |
| Max Charging Power | 33 W | 67 W |
| Battery Type | n/a | Li-Po |
| Removable | No | No |
| Wireless Charging | No | No |
| Reverse Charging | No | No |
| Fast Charging | Yes | Yes (50% in 22 min) |
| Full Charge Time | n/a | 0:50 h |
Main camera
| Matrix | 50 MP | 50 MP |
| Photo resolution | n/a | 8192x6144 pixels |
| Zoom | Digital | Optical, 2x |
| Flash | LED | Dual LED |
| Stabilization | Digital | Optical |
| 8K Recording | No | No |
| 4K Recording | No | Yes (Up to 60 fps) |
| 1080p Recording | Yes (Up to 30 fps) | Yes (Up to 60 fps) |
| Slow Motion | n/a | 240 fps (1080p) |
| Wide-angle lens | n/a | 120 ° |
| Lenses count | Standard: 50 MP Depth |
Standard: 50 MP Telephoto: 50 MP Ultra-wide: 12 MP |
| Features | Bokeh effect | - Bokeh effect - Pro mode - RAW support |
| Matrix | 50 MP | 50 MP |
| Aperture | f/1.8 | f/1.7 |
| Focal length | n/a | 23 mm |
| Sensor | n/a | Omnivision OV50 Light Hunter 800 |
| Sensor size | n/a | 1/1.55 |
| Pixel size | n/a | 1 μm |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Optical |
| Matrix | n/a | 50 MP |
| Aperture | n/a | f/1.9 |
| Focal length | n/a | 46 mm |
| Sensor | n/a | Samsung S5KJN5 |
| Sensor size | n/a | 1/2.76 |
| Pixel size | n/a | 0.64 μm |
| Stabilization | n/a | Digital |
| Matrix | n/a | 12 MP |
| Aperture | n/a | f/2.2 |
| Focal length | n/a | 15 mm |
| Sensor size | n/a | 1/3.06 |
| Pixel size | n/a | 1.12 μm |
| Stabilization | n/a | Digital |
Front camera
| Matrix | 8 MP | 32 MP |
| Aperture | f/2.0 | f/2.2 |
| Focal length | n/a | 21 mm |
| Sensor | n/a | CMOS |
| Sensor size | n/a | 1/3.44 |
| Pixel size | n/a | 0.64 μm |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 30 fps | 2160p (4K) at 30 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 6E (802.11 a/b/g/n/ac/ax) |
| 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 | 6.0 |
| Bluetooth features | LE | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - OTG |
| DisplayPort | n/a | No |
| GPS | - GPS - GLONASS - Beidou - Galileo |
- GPS - GLONASS - Beidou - Galileo - QZSS |
| NFC* | Yes | Yes |
| Infrared Port | Yes | 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 2/3/5/8 |
| 3G Bands | n/a | WCDMA B1/2/4/5/8/6/19 |
| LTE Bands* | n/a | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71) |
| 5G Support | No | Yes |
Sound
| 3.5 mm Jack | Yes | No |
| FM Radio | No | No |
| Dolby Atmos | n/a | Yes |
Other
| Class | Budget | Mid-range |
| Announced | August, 2025 yr | September, 2025 yr |
| Release Date | August, 2025 yr | September, 2025 yr |
| MSRP ($) | 150 | 650 |
| Sensors | - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | Yes, 33 W | No |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Xiaomi 15T the clear winner in this comparison.
Survey
Total Votes: 1