Realme P4x 5G vs Xiaomi Redmi Note 15 4G
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Compared 2 smartphones : Realme P4x 5G Manufactured in December, 2025, with display 6.72 with chipsetMediaTek Dimensity 7400, vs Xiaomi Redmi Note 15 4G, Manufactured in December, 2025with chipsetMediaTek Helio G100 Ultra. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Realme P4x 5G
- Higher pixel density: 392ppi
- Higher refresh rate: 144Hz
- Higher battery capacity: 7000mAh vs 6000mAh
- Newer Bluetooth version: 5.4 vs 5.3
- Infrared port
- Includes charger
Reasons to choose Xiaomi Redmi Note 15 4G
- Larger display: 6.77in
- Lighter design: 183.7g vs 208g
Versions
| Memory Options | - 6/128 GB - 8/128 GB - 8/256 GB - 8/512 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 | IPS LCD | AMOLED |
| Size | 6.72 in | 6.77 in |
| Resolution | 1080x2400 pixels | 1080x2340 pixels |
| Aspect ratio | 20:9 | n/a |
| Pixel density | 392 ppi | 388 ppi |
| Refresh rate | 144 Hz | 120 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | Yes (60-120 Hz) |
| Max brightness | 1000 nits | n/a |
| HDR support | No | No |
| Screen-to-body ratio | 86.5 % | 89.7 % |
| Features | DCI-P3 | DCI-P3 |
Design & Build
| Height | 165.85 mm (6.53 in) | 164 mm (6.46 in) |
| Width | 75.95 mm (2.99 in) | 75.4 mm (2.97 in) |
| Thickness | 8.39 mm (0.33 in) | 7.4 mm (0.29 in) |
| Weight | 208 g (7.34 oz) | 183.7 g (6.48 oz) |
| Water resistance | IP64 | IP64 |
| Back panel | Plastic | Plastic |
| Frame | Plastic | Plastic |
| Colors | - Silver - Green - Pink |
- Black - Blue - Green - Purple |
| Fingerprint sensor | Yes, In-Button | Yes, In-Display |
Screen-to-body ratio
Performance
| Chipset | MediaTek Dimensity 7400 | MediaTek Helio G100 Ultra |
| Max Frequency | 2600 MHz | 2200 MHz |
| CPU Cores | 8 (4 + 4) | 8 (2 + 6) |
| Architecture | - 4/2 (Cortex-A55) - 4/2.6 (Cortex-A78) |
- 6/2 (Cortex-A55) - 2/2.2 (Cortex-A76) |
| Process | TSMC | TSMC |
| Transistor Size | 4 nm | 6 nm |
| Neural Processor | MediaTek APU 655 | Yes |
| Graphics | Mali-G615 MP2 | Mali-G57 MP2 |
| GPU Cores | 256 | 64 |
| GPU Frequency | 1300 MHz | 1000 MHz |
| FLOPS | 665.6 GFLOPS | 128 GFLOPS |
| Geekbench 6 (Single-Core) | 1042 | 730 |
| Geekbench 6 (Multi-Core) | 2931 | 2025 |
| Geekbench Compute (GPU) | 3047 | n/a |
| CPU | 352241 | 132724 |
| GPU | 169204 | 72238 |
| Memory | 185069 | 109980 |
| UX | 288132 | 122242 |
| NanoReview Score | 994646 | 437184 |
Memory
| RAM Size | 6 GB | 6 GB |
| Memory Type | LPDDR4X | LPDDR4X |
| Memory Frequency | 2133 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage Capacity | 128 GB | 128 GB |
| Storage Type | UFS 3.1 | UFS 2.2 |
| Memory Card | No | No |
Software
| OS | Android 15 | Android 15 |
| UI Skin | Realme UI 6.0 | HyperOS 2.0 |
Battery
| Volume | 7000 mAh | 6000 mAh |
| Max Charging Power | 45 W | 33 W |
| Battery Type | Silicon Carbon (Si/C) | Silicon Carbon (Si/C) |
| Removable | No | No |
| Wireless Charging | No | No |
| Reverse Charging | No | Yes |
| Fast Charging | Yes (40% in 30 min) | Yes |
| Full Charge Time | 1:36 h | n/a |
Main camera
| Matrix | 50 MP | 108 MP |
| Photo resolution | 8192x6144 pixels | n/a |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K Recording | No | No |
| 4K Recording | Yes (Up to 30 fps) | No |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 30 fps) |
| Slow Motion | 240 fps (720p) | n/a |
| Lenses count | Standard: 50 MP | Standard: 108 MP Depth: 2 MP |
| Features | Bokeh effect | - Bokeh effect - Pro mode |
| Matrix | 50 MP | 108 MP |
| Aperture | f/1.8 | f/1.7 |
| Focal length | n/a | 24 mm |
| Sensor | Sony IMX882 | n/a |
| Sensor size | 1/1.95 (0.51) | 1/1.67 (0.6) |
| Pixel size | 0.8 μm | 0.64 μm |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
Front camera
| Matrix | 8 MP | 20 MP |
| Aperture | f/2.2 | f/2.2 |
| Sensor | CMOS | Omnivision OV02F |
| Sensor size | n/a | 1/5 (0.2) |
| Pixel size | n/a | 1.75 μm |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 30 fps | 1080p (Full HD) at 30 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 6 (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 | 5.4 | 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 | No | No |
| GPS | - GPS - GLONASS - Beidou - Galileo - QZSS |
- GPS - GLONASS - Beidou - Galileo - QZSS |
| NFC* | No | Varies by region |
| Infrared Port | Yes | 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 850/900/1800MHz | n/a |
| 3G Bands | WCDMA 1/5/8 | n/a |
| LTE Bands* | LTE (B1/B3/B5/B8/B40/B41) | n/a |
| 5G Support | Yes | No |
Sound
| 3.5 mm Jack | No | No |
| FM Radio | n/a | Yes |
Other
| Class | Mid-range | Mid-range |
| Announced | December, 2025 yr | December, 2025 yr |
| Release Date | December, 2025 yr | December, 2025 yr |
| MSRP ($) | 170 | 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.
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