Xiaomi Poco X7 vs Vivo V40 SE 5G
Here we compared two mid-range smartphones: the 6.67-inch Xiaomi Poco X7 (with MediaTek Dimensity 7300 Ultra) that was released on January 9, 2025, against the Vivo V40 SE 5G, which is powered by Qualcomm Snapdragon 4 Gen 2 and came out 10 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Xiaomi Poco X7
- Has 50% more RAM: 12GB versus 8GB
- Newer Bluetooth version (v5.4)
- Optical image stabilization
- Waterproof body (IP68 classification)
- Ability to record video in 4K resolution
- Compatible with Wi-Fi 6 wireless networks
- 13% higher pixel density (446 vs 395 PPI)
- Supports Dolby Atmos sound technology
- 12% faster in single-core GeekBench 6 test: 1031 and 923 points
- Has a built-in infrared port
Reasons to consider the Vivo V40 SE 5G
- Expandable storage via MicroSD card up to 1024GB
- Delivers 8% higher peak brightness (1203 against 1114 nits)
- Ready for eSIM technology
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | AMOLED |
| Size | 6.67 inches | 6.67 inches |
| Resolution | 1220 x 2712 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 446 ppi | 395 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes | Yes |
| Max rated brightness | 1200 nits | 1800 nits |
| Max rated brightness in HDR | 3000 nits | - |
| HDR support | Yes, Dolby Vision | No |
| Touch sampling rate | 480 Hz | - |
| Screen protection | Gorilla Glass Victus 2 | Tempered glass |
| Screen-to-body ratio | 88.9% | 86.8% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | - | 98.8% |
| PWM | - | 476 Hz |
| Response time | - | 1 ms |
| Contrast | - | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 162.33 mm (6.39 inches) | 163.17 mm (6.42 inches) |
| Width | 74.42 mm (2.93 inches) | 75.81 mm (2.98 inches) |
| Thickness | 8.4 mm (0.33 inches) | 7.79 mm (0.31 inches) |
| Weight | 185.5 g (6.54 oz) | 191 g (6.74 oz) |
| Waterproof | IP68 | IP54 |
| Advanced cooling | Vapor chamber | - |
| Rear material | Plastic | Eco-leather |
| Frame material | Plastic | Plastic |
| Colors | Black, Silver, Green | Black, Purple |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | MediaTek Dimensity 7300 Ultra | Qualcomm Snapdragon 4 Gen 2 |
| Max clock | 2500 MHz | 2200 MHz |
| CPU cores | 8 (4 + 4) | 8 (2 + 6) |
| Architecture | - 4 cores at 2 GHz: Cortex-A55 - 4 cores at 2.5 GHz: Cortex-A78 |
- 6 cores at 2 GHz: Cortex-A55 - 2 cores at 2.2 GHz: Cortex-A78 |
| Manufacturing | TSMC | Samsung |
| Lithography process | 4 nanometers | 4 nanometers |
| Neural processor (NPU) | MediaTek APU 655 | Yes |
| Graphics | Mali-G615 MP2 | Adreno 613 |
| GPU shading units | 256 | 192 |
| GPU clock | 1047 MHz | 955 MHz |
| FLOPS | ~536.1 GFLOPS | ~244.5 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 204203 | - |
| GPU | 144136 | - |
| Memory | 165600 | - |
| UX | 171012 | - |
| Total score | 684951 | - |
| Samples | Less then 3 | Less then 3 |
Memory
| RAM size | 8, 12 GB | 8 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 2133 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage size | 128, 256, 512 GB | 256 GB |
| Storage type | UFS 2.2 | UFS 2.2 |
| Memory card | No | MicroSD |
| Memory card max size | - | Up to 1024 GB |
Software
| Operating system | Android 14 | Android 14 |
| ROM | HyperOS 1.0 | Funtouch 14 |
| OS size | - | 20 GB |
Battery
| Capacity | 5110 mAh | 5000 mAh |
| Max charge power | 45 W | 44 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes (62% in 30 min) | Yes (50% in 25 min) |
| Full charging time | 1:05 hr | 0:57 hr |
| Web browsing | 06:50 hr | - |
| Watching video | 10:59 hr | - |
| Gaming | 05:14 hr | - |
| Standby | 104 hr | - |
General battery life
Main camera
| Matrix | 50 megapixels | 50 megapixels |
| Image resolution | 8192 x 6144 | 8192 x 6144 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Optical | Digital |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | No |
| 1080p video recording | Up to 60FPS | Up to 30FPS |
| Slow motion | 240 FPS (720p) | - |
| Angle of widest lens | 120° | - |
| Lenses | 1) Standard: 50 MP 2) Ultrawide: 8 MP 3) Macro: 2 MP |
1) Standard: 50 MP 2) Ultrawide: 8 MP 3) Macro: 2 MP |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/1.5 | f/1.8 |
| Focal length | 26 mm | 26 mm |
| Sensor | Sony IMX882 | - |
| Sensor size | 1/1.95" | - |
| Pixel size | 0.8 micron | - |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Optical | Digital |
| Image resolution | 8 MP | 8 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 15 mm | - |
| Sensor | Sony IMX355 | - |
| Sensor size | 1/4.0" | - |
| Pixel size | 1.12 micron | - |
| Stabilization | Digital | Digital |
| Image resolution | 2 MP | 2 MP |
| Aperture | f/2.4 | f/2.4 |
| Sensor | Omnivision OV02B10 | - |
| Sensor size | 1/5" | - |
| Pixel size | 1.75 micron | - |
| Stabilization | Digital | No |
Selfie camera
| Megapixels | 20 megapixels | 16 megapixels |
| Aperture | f/2.2 | f/2.0 |
| Focal length | 25 mm | - |
| Sensor | Omnivision OV20B | - |
| Sensor size | 1/4.0" | - |
| Pixel size | 0.7 micron | - |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 30 FPS | 1080p (Full HD) at 30 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | 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 |
| 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* | Yes | Yes |
| Infrared port | Yes | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | Yes |
| Hybrid slot | No | No |
| LTE Cat* | - | 18 |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | - |
| Dolby Atmos | Yes | No |
Speakers test
Max loudness
Other
| Category | Mid-range | Mid-range |
| Announced | January 2025 | March 2024 |
| Release date | January 2025 | April 2024 |
| Launch price | $229 | $279 |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 45 W | Yes, 44 W |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.