Xiaomi Redmi 15 4G vs Tecno Spark 40 Pro
60
out 100
VS
64
out 100
Compared 2 smartphones : Xiaomi Redmi 15 4G Manufactured in August, 2025, with display 6.9 with chipsetQualcomm Snapdragon 685, vs Tecno Spark 40 Pro, Manufactured in July, 2025with chipsetMediaTek Helio G100 Ultimate. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Xiaomi Redmi 15 4G
- Larger display: 6.9in
- Higher battery capacity: 7000mAh vs 5200mAh
Reasons to choose Tecno Spark 40 Pro
- Higher pixel density: 440ppi
- Lighter design: 162g vs 224g
- Newer Bluetooth version: 5.3 vs 5
- Supports Dolby Atmos
Versions
| Memory Options | - 6/128 GB - 8/256 GB |
- 8/128 GB - 8/256 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 | 6.78 in |
| Resolution | 1080x2340 pixels | 1224x2720 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| Pixel density | 374 ppi | 440 ppi |
| Refresh rate | 144 Hz | 144 Hz |
| Adaptive refresh rate | Yes | Yes (60-120 Hz) |
| Max brightness | n/a | 1600 nits |
| HDR support | No | Yes, HDR10 |
| Screen-to-body ratio | 83.1 % | 89.4 % |
| Features | n/a | DCI-P3 |
Design & Build
| Height | 171.1 mm (6.74 in) | 163.67 mm (6.44 in) |
| Width | 82.1 mm (3.23 in) | 75.87 mm (2.99 in) |
| Thickness | 8.6 mm (0.34 in) | 6.69 mm (0.26 in) |
| Weight | 224 g (7.9 oz) | 162 g (5.71 oz) |
| Water resistance | IP64 | IP64 |
| Back panel | Plastic | Plastic |
| Frame | Plastic | Plastic |
| Colors | - Black - Gray - Purple |
- Black - Gray - Green |
| Fingerprint sensor | Yes, In-Button | Yes, In-Display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 685 | MediaTek Helio G100 Ultimate |
| Max Frequency | 2800 MHz | 2200 MHz |
| CPU Cores | 8 (4 + 4) | 8 (2 + 6) |
| Architecture | - 4/1.9 (Cortex-A53) - 4/2.8 (Cortex-A73) |
- 6/2 (Cortex-A55) - 2/2.2 (Cortex-A76) |
| Process | TSMC | TSMC |
| Transistor Size | 6 nm | 6 nm |
| Neural Processor | Hexagon 686 | Yes |
| Graphics | Adreno 610 | Mali-G57 MP2 |
| GPU Cores | 128 | 64 |
| GPU Frequency | 1260 MHz | 1000 MHz |
| FLOPS | 322.6 GFLOPS | 128 GFLOPS |
| Geekbench 6 (Single-Core) | 475 | 713 |
| Geekbench 6 (Multi-Core) | 1514 | 1953 |
| CPU | 114885 | 129573 |
| GPU | 57988 | 66336 |
| Memory | 103236 | 116200 |
| UX | 104881 | 112856 |
| NanoReview Score | 380990 | 424965 |
Memory
| RAM Size | 6 GB | 8 GB |
| Memory Type | LPDDR4X | LPDDR4X |
| Memory Frequency | 2133 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage Capacity | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Memory Card | MicroSD | MicroSD |
Software
| OS | Android 15 | Android 15 |
| UI Skin | HyperOS 2.0 | HIOS 15.1 |
Battery
| Volume | 7000 mAh | 5200 mAh |
| Max Charging Power | 33 W | 45 W |
| Battery Type | n/a | Li-Po |
| Removable | No | No |
| Wireless Charging | No | No |
| Reverse Charging | No | No |
| Fast Charging | Yes | Yes |
| Full Charge Time | n/a | 0:55 h |
Main camera
| Matrix | 50 MP | 50 MP |
| Zoom | Digital | Digital |
| Flash | LED | Dual LED |
| Stabilization | Digital | Digital |
| 8K Recording | No | No |
| 4K Recording | No | No |
| 1080p Recording | Yes (Up to 30 fps) | Yes (Up to 60 fps) |
| Slow Motion | n/a | 120 fps (720p) |
| Lenses count | Standard: 50 MP Depth |
Standard: 50 MP Depth |
| Features | Bokeh effect | - Bokeh effect - Pro mode |
| Matrix | 50 MP | 50 MP |
| Aperture | f/1.8 | f/1.6 |
| Sensor size | n/a | 1/2 |
| Pixel size | n/a | 0.64 μm |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
Front camera
| Matrix | 8 MP | 13 MP |
| Aperture | f/2.0 | f/2.2 |
| Sensor size | n/a | 1/3.1 |
| Pixel size | n/a | 1.12 μm |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 30 fps | 1080p (Full HD) at 60 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features | - Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5.3 |
| 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 - Galileo |
| NFC* | Yes | Varies by region |
| Infrared Port | Yes | Yes |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | No | No |
| Hybrid Slot | No | No |
| 5G Support | No | No |
Sound
| 3.5 mm Jack | Yes | Yes |
| FM Radio | No | Yes |
| Dolby Atmos | n/a | Yes |
Other
| Class | Budget | Mid-range |
| Announced | August, 2025 yr | July, 2025 yr |
| Release Date | August, 2025 yr | July, 2025 yr |
| MSRP ($) | 150 | 180 |
| Sensors | - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Proximity Sensor - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | Yes, 33 W | Yes, 45 W |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 15
