Infinix Note 40 vs Xiaomi Redmi Note 15 4G
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Compared 2 smartphones : Infinix Note 40 Manufactured in March, 2024, with display 6.78 with chipsetMediaTek Helio G99 Ultimate, 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 Infinix Note 40
- Larger display: 6.78in
- Higher pixel density: 393ppi
- Includes charger
Reasons to choose Xiaomi Redmi Note 15 4G
- Lighter design: 183.7g vs 190g
- Higher battery capacity: 6000mAh vs 5000mAh
- Newer Bluetooth version: 5.3 vs 5.2
Versions
| Memory Options | 8/256 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 | AMOLED | AMOLED |
| Size | 6.78 in | 6.77 in |
| Resolution | 1080x2436 pixels | 1080x2340 pixels |
| Aspect ratio | 20:9 | n/a |
| Pixel density | 393 ppi | 388 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | No | Yes (60-120 Hz) |
| Max brightness | 1300 nits | n/a |
| HDR support | No | No |
| Touch Sampling Rate | 360 Hz | n/a |
| Screen-to-body ratio | 90.7 % | 89.7 % |
| Features | - DCI-P3 - Always-On Display |
DCI-P3 |
Design & Build
| Height | 164.13 mm (6.46 in) | 164 mm (6.46 in) |
| Width | 74.53 mm (2.93 in) | 75.4 mm (2.97 in) |
| Thickness | 7.75 mm (0.31 in) | 7.4 mm (0.29 in) |
| Weight | 190 g (6.7 oz) | 183.7 g (6.48 oz) |
| Water resistance | IP54 | IP64 |
| Back panel | Plastic | Plastic |
| Frame | Plastic | Plastic |
| Colors | - Black - Gold |
- Black - Blue - Green - Purple |
| Fingerprint sensor | Yes In-Display | Yes, In-Display |
Screen-to-body ratio
Performance
| Chipset | MediaTek Helio G99 Ultimate | MediaTek Helio G100 Ultra |
| Max Frequency | 2200 MHz | 2200 MHz |
| CPU Cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6/2 (Cortex-A55) - 2/2.2 (Cortex-A76) |
- 6/2 (Cortex-A55) - 2/2.2 (Cortex-A76) |
| Process | TSMC | TSMC |
| Transistor Size | 6 nm | 6 nm |
| Neural Processor | Yes | Yes |
| Graphics | Mali-G57 MP2 | Mali-G57 MP2 |
| GPU Cores | 128 | 64 |
| GPU Frequency | 1000 MHz | 1000 MHz |
| FLOPS | 128 GFLOPS | 128 GFLOPS |
| Geekbench 6 (Single-Core) | 745 | 730 |
| Geekbench 6 (Multi-Core) | 2024 | 2025 |
| CPU | 136181 | 132724 |
| GPU | 70093 | 72238 |
| Memory | 113366 | 109980 |
| UX | 110409 | 122242 |
| NanoReview Score | 430049 | 437184 |
Memory
| RAM Size | 8 GB | 6 GB |
| Memory Type | LPDDR4X | LPDDR4X |
| Memory Frequency | 2133 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage Capacity | 256 GB | 128 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Memory Card | No | No |
Software
| OS | Android 14 | Android 15 |
| UI Skin | XOS 14 | HyperOS 2.0 |
Battery
| Volume | 5000 mAh | 6000 mAh |
| Max Charging Power | 45 W | 33 W |
| Battery Type | Li-Po | Silicon Carbon (Si/C) |
| Removable | No | No |
| Wireless Charging | Yes (20 W) | No |
| Reverse Charging | Yes (Wireless) | Yes |
| Fast Charging | Yes (50% in 26 min) | Yes |
| Full Charge Time | 0:57 h | n/a |
Main camera
| Matrix | 108 MP | 108 MP |
| Zoom | Digital | Digital |
| Flash | Quad LED | LED |
| Stabilization | Digital | Digital |
| 8K Recording | No | No |
| 4K Recording | No | No |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 30 fps) |
| Lenses count | Standard: 108 MP Depth: 2 MP Depth |
Standard: 108 MP Depth: 2 MP |
| Features | - Bokeh effect - Pro mode |
- Bokeh effect - Pro mode |
| Matrix | 108 MP | 108 MP |
| Aperture | f/1.9 | f/1.7 |
| Focal length | n/a | 24 mm |
| Sensor size | 1/1.52 | 1/1.67 (0.6) |
| Pixel size | 0.8 μm | 0.64 μm |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
Front camera
| Matrix | 32 MP | 20 MP |
| Aperture | f/2.2 | f/2.2 |
| Sensor | n/a | Omnivision OV02F |
| Sensor size | 1/3.1 | 1/5 (0.2) |
| Pixel size | n/a | 1.75 μm |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 60 fps | 1080p (Full HD) at 30 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 | 5.2 | 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 - Beidou - Galileo - QZSS |
| NFC* | Varies by region | Varies by region |
| Infrared Port | No | No |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | No | No |
| Hybrid Slot | No | No |
| 2G Bands | GSM B2|3|5|8 | n/a |
| 3G Bands | WCDMA B1|5|8 | n/a |
| LTE Bands* | LTE (B1358384041) | n/a |
| 5G Support | No | No |
Sound
| Speakers | Stereo | n/a |
| 3.5 mm Jack | No | No |
| FM Radio | Yes | Yes |
| Dolby Atmos | No | n/a |
Other
| Class | Mid-range | Mid-range |
| Announced | March, 2024 yr | December, 2025 yr |
| Release Date | March, 2024 yr | December, 2025 yr |
| Launch Price ($) | 190 | n/a |
| Sensors | - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | Yes 45 W | n/a |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
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Survey
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