Xiaomi Redmi 15 4G vs Vivo iQOO Z11x
60
out 100
VS
67
out 100
Compared 2 smartphones : Xiaomi Redmi 15 4G Manufactured in August, 2025, with display 6.9 with chipsetQualcomm Snapdragon 685, vs Vivo iQOO Z11x, Manufactured in March, 2026with chipsetMediatek Dimensity 7400. 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
- Infrared port
Reasons to choose Vivo iQOO Z11x
- Higher pixel density: 382ppi
- Lighter design: 219g vs 224g
- Higher battery capacity: 7200mAh vs 7000mAh
- Newer Bluetooth version: 5.4 vs 5
Versions
| Memory Options | - 6/128 GB - 8/256 GB |
- 6/128 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 | IPS LCD |
| Size | 6.9 in | 6.76 in |
| Resolution | 1080x2340 pixels | 1080x2344 pixels |
| Aspect ratio | 19.5:9 | 19.5:9 |
| Pixel density | 374 ppi | 382 ppi |
| Refresh rate | 144 Hz | 120 Hz |
| Adaptive refresh rate | Yes | Yes (60-120 Hz) |
| Max brightness | n/a | 1200 nits |
| HDR support | No | No |
| Screen-to-body ratio | 83.1 % | 85.9 % |
Design & Build
| Height | 171.1 mm (6.74 in) | 166.6 mm (6.56 in) |
| Width | 82.1 mm (3.23 in) | 78.4 mm (3.09 in) |
| Thickness | 8.6 mm (0.34 in) | 8.4 mm (0.33 in) |
| Weight | 224 g (7.9 oz) | 219 g (7.72 oz) |
| Water resistance | IP64 | IP69 |
| Back panel | Plastic | Plastic |
| Frame | Plastic | Plastic |
| Colors | - Black - Gray - Purple |
- Black - Green |
| Fingerprint sensor | Yes, In-Button | Yes, In-Button |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 685 | Mediatek Dimensity 7400 |
| Max Frequency | 2800 MHz | 2600 MHz |
| CPU Cores | 8 (4 + 4) | 8 (4 + 4) |
| Architecture | - 4/1.9 (Cortex-A53) - 4/2.8 (Cortex-A73) |
- 4/2 (Cortex-A55) - 4/2.6 (Cortex-A78) |
| Process | TSMC | TSMC |
| Transistor Size | 6 nm | 4 nm |
| Neural Processor | Hexagon 686 | MediaTek APU 655 |
| Graphics | Adreno 610 | Mali-G615 MP2 |
| GPU Cores | 128 | 256 |
| GPU Frequency | 1260 MHz | 1300 MHz |
| FLOPS | 322.6 GFLOPS | 665.6 GFLOPS |
| Geekbench 6 (Single-Core) | 475 | 1064 |
| Geekbench 6 (Multi-Core) | 1514 | 2878 |
| Geekbench Compute (GPU) | n/a | 3062 |
| CPU | 114885 | 329972 |
| GPU | 57988 | 147724 |
| Memory | 103236 | 155228 |
| UX | 104881 | 289303 |
| NanoReview Score | 380990 | 922227 |
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 2.2 | UFS 3.1 |
| Memory Card | MicroSD | No |
Software
| OS | Android 15 | Android 16 |
| UI Skin | HyperOS 2.0 | OriginOS 6 |
Battery
| Volume | 7000 mAh | 7200 mAh |
| Max Charging Power | 33 W | 44 W |
| Battery Type | n/a | Silicon Carbon (Si/C) |
| Removable | No | No |
| Wireless Charging | No | No |
| Reverse Charging | No | Yes |
| Fast Charging | Yes | Yes (50% in 43 min) |
Main camera
| Matrix | 50 MP | 50 MP |
| Photo resolution | n/a | 8192x6144 pixels |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K Recording | No | No |
| 4K Recording | No | Yes (Up to 30 fps) |
| 1080p Recording | Yes (Up to 30 fps) | Yes (Up to 30 fps) |
| 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 | n/a |
| Sensor size | n/a | 1/2.93 (0.34) |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
Front camera
| Matrix | 8 MP | 32 MP |
| Aperture | f/2.0 | n/a |
| 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 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 MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5.4 |
| 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 | No |
| 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 |
| 5G Support | No | Yes |
Sound
| 3.5 mm Jack | Yes | No |
| FM Radio | No | No |
| Dolby Atmos | n/a | No |
Other
| Class | Budget | Mid-range |
| Announced | August, 2025 yr | March, 2026 yr |
| Release Date | August, 2025 yr | March, 2026 yr |
| MSRP ($) | 150 | n/a |
| Sensors | - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | Yes, 33 W | Yes, 0 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: 1
