Vivo Y31 5G vs Oppo A6x 4G
54
out of 100
VS
53
out of 100
Here we compared two budget smartphones: the 6.68-inch Vivo Y31 5G (with Qualcomm Snapdragon 4 Gen 2 ) that was released on September 15, 2025, against the Oppo A6x 4G, which is powered by Qualcomm Snapdragon 685 and came out 3 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
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Key differences
Reasons to consider the Vivo Y31 5G
- Supports higher wattage charging (44W versus 15W)
- Waterproof body (IP68 classification)
- 17% better performance in AnTuTu Benchmark (531K versus 452K)
- Stereo speakers
- More energy-efficient CPU β Snapdragon 4 Gen 2
- 72% faster in single-core GeekBench 6 test: 771 and 449 points
Reasons to consider the Oppo A6x 4G
- Newer Bluetooth version (v5)
- More recent OS version: Android 16 versus 15
- Faster storage type - UFS 2.2 versus eMMC 5.1
- Reverse charging feature
- Includes a 3.5 mm headphone audio jack port
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.
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Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | IPS LCD | IPS LCD |
| Size | 6.68 inches | 6.75 inches |
| Resolution | 720 x 1608 pixels | 720 x 1570 pixels |
| Aspect ratio | 20:9 | 19.5:9 |
| PPI | 264 ppi | 256 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | Yes (60-120 Hz) |
| Max rated brightness | 1000 nits | 1125 nits |
| HDR support | No | No |
| Touch sampling rate | - | 240 Hz |
| Screen protection | Guardian Glass | Tempered glass |
| Screen-to-body ratio | 84.2% | 85.5% |
| Display features | - | - DCI-P3 |
Design and build
| Height | 166.14 mm (6.54 inches) | 166.61 mm (6.56 inches) |
| Width | 77.01 mm (3.03 inches) | 78.51 mm (3.09 inches) |
| Thickness | 8.39 mm (0.33 inches) | 8.61 mm (0.34 inches) |
| Weight | 209 g (7.37 oz) | 210 g (7.41 oz) |
| Waterproof | IP68 | IP64 |
| Advanced cooling | - | Vapor chamber |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | Black, Red | Blue, Purple |
| Fingerprint scanner | Yes, in-button | Yes, in-button |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 4 Gen 2 | Qualcomm Snapdragon 685 |
| Max clock | 2200 MHz | 2800 MHz |
| CPU cores | 8 (2 + 6) | 8 (4 + 4) |
| Architecture | - 6 cores at 2 GHz: Cortex-A55 - 2 cores at 2.2 GHz: Cortex-A78 |
- 4 cores at 1.9 GHz: Cortex-A53 - 4 cores at 2.8 GHz: Cortex-A73 |
| Manufacturing | Samsung | TSMC |
| Lithography process | 4 nanometers | 6 nanometers |
| Neural processor (NPU) | Yes | Hexagon 686 |
| Graphics | Adreno 613 | Adreno 610 |
| GPU shading units | 128 | 128 |
| GPU clock | 955 MHz | 1260 MHz |
| FLOPS | ~244.5 GFLOPS | ~322.6 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 1424 | 48 |
| Single-core score | 771 | 449 |
| Multi-core score | 2059 | 1257 |
AnTuTu Benchmark 11
| CPU | 234118 | 195569 |
| GPU | 45437 | 29569 |
| Memory | 109175 | 107925 |
| UX | 142889 | 119785 |
| Total score | 531619 | 452848 |
| Samples | Less than 3 | Less than 3 |
Recent User Tests
Vivo Y31 5G
No benchmark results yet
Oppo A6x 4G
| Date | Benchmark | Result |
|---|---|---|
| π 2026-10-04 -> Editaddicts | Geekbench 7 CPU | 486 / 1426 |
| π 2026-10-02 -> Editaddicts | AnTuTu 12 | 493553 |
| π 2026-09-29 -> Editaddicts | AnTuTu 12 | 490504 |
| π 2026-09-10 -> Editaddicts | Geekbench 6 CPU | 485 / 1332 |
| π 2026-09-05 -> Editaddicts | AnTuTu 11 | 445263 |
Memory
| RAM size | 4 GB | 4 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 2133 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage size | 128 GB | 64 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card | MicroSD | MicroSD |
| Memory card max size | Up to 1024 GB | Up to 1024 GB |
Software
| Operating system | Android 15 | Android 15 (Can be upgraded to Android 16) |
| ROM | FuntouchOS 15 | ColorOS 16 |
| OS updates | - | 2 years |
| Security updates | - | 3 years |
Battery
| Capacity | 6500 mAh | 6500 mAh |
| Max charge power | 44 W | 15 W |
| Battery type | Silicon-Carbon (Si/C) | Silicon-Carbon (Si/C) |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | Yes |
| Bypass charging | No | No |
| Fast charging | Yes (50% in 38 min) | Yes |
Main camera
| Matrix | 50 megapixels | 13 megapixels |
| Zoom | Digital | Digital |
| Flash | Dual LED | LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | No | No |
| 1080p video recording | Up to 30FPS | Up to 30FPS |
| Slow motion | - | 120 FPS (720p) |
| Lenses | 1) Standard: 50 MP 2) Depth |
1) Standard: 13 MP |
| Camera features | - Bokeh mode | - Bokeh mode - Pro mode |
| Image resolution | 50 MP | 13 MP |
| Aperture | f/1.8 | f/2.2 |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
Selfie camera
| Megapixels | 8 megapixels | 5 megapixels |
| Aperture | f/2.0 | f/2.2 |
| Sensor | CMOS | CMOS |
| 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 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 | 4.2 | 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* | No | No |
| Infrared port | No | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | Yes |
| 5G support | Yes | No |
Sound
| Speakers | Stereo | Mono |
| Headphone audio jack | No | Yes |
| FM radio | No | No |
| Dolby Atmos | No | No |
Other
| Category | Budget | Budget |
| Announced | September 2025 | December 2025 |
| Release date | September 2025 | December 2025 |
| Launch price (MSRP) | - | $160 |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 44 W | Yes, 15 W |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the performance, gaming, battery life, and sound are more important to you, then choose the Vivo Y31 5G. But if the camera, connectivity, and software are more of a priority β go for the Oppo A6x 4G.
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