Vivo iQOO Z11 vs Oppo K15
Here we compared two mid-range smartphones: the 6.83-inch Vivo iQOO Z11 (with Qualcomm Snapdragon 7s Gen 4) that was released on May 5, 2026, against the Oppo K15, which is powered by MediaTek Dimensity 7360 Super 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 iQOO Z11
- Comes with 1020 mAh larger battery capacity: 9020 vs 8000 mAh
- Higher display refresh rate – 144 Hz
- Supports higher wattage charging (90W versus 80W)
- 14% faster in single-core GeekBench 6 test: 1205 and 1053 points
Reasons to consider the Oppo K15
- Has 50% more RAM: 12GB versus 8GB
- Newer Bluetooth version (v5.4)
- Has a built-in infrared 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.
Select your primary usage scenario to get a more accurate NanoReview Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | AMOLED |
| Size | 6.83 inches | 6.59 inches |
| Resolution | 1260 x 2800 pixels | 1256 x 2760 pixels |
| Aspect ratio | 20:9 | 19.5:9 |
| PPI | 450 ppi | 460 ppi |
| Refresh rate | 144 Hz | 120 Hz |
| Adaptive refresh rate | Yes | Yes |
| Max rated brightness | 2000 nits | 1200 nits |
| Max rated brightness in HDR | 5000 nits | - |
| HDR support | Yes, HDR10+ | - |
| Touch sampling rate | - | 240 Hz |
| Screen protection | Tempered glass | Tempered glass |
| Screen-to-body ratio | 90.3% | 89.6% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - DC Dimming |
Design and build
| Height | 163.73 mm (6.45 inches) | 158.3 mm (6.23 inches) |
| Width | 76.18 mm (3 inches) | 75.1 mm (2.96 inches) |
| Thickness | 8.25 mm (0.32 inches) | 8.3 mm (0.33 inches) |
| Weight | 213 g (7.51 oz) | 205 g (7.23 oz) |
| Waterproof | IP69 | IP69 |
| Advanced cooling | Vapor chamber | Active fan |
| Rear material | Plastic | - |
| Frame material | Plastic | Metal |
| Colors | Black, Blue | Silver, Gray |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 7s Gen 4 | MediaTek Dimensity 7360 Super |
| Max clock | 2700 MHz | 2500 MHz |
| CPU cores | 8 (1 + 3 + 4) | 8 (4 + 4) |
| Architecture | - 4 cores at 1.8 GHz: Kryo Silver (Cortex-A520) - 3 cores at 2.4 GHz: Kryo Gold (Cortex-A720) - 1 core at 2.7 GHz: Kryo Prime (Cortex-A720) |
- 4 cores at 2 GHz: Cortex-A55 - 4 cores at 2.5 GHz: Cortex-A78 |
| L3 cache | - | 4 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 4 nanometers | 4 nanometers |
| Neural processor (NPU) | Yes | MediaTek APU 655 |
| Graphics | Adreno 810 | Mali-G615 MP2 |
| GPU shading units | 256 | 256 |
| GPU clock | 895 MHz | 1047 MHz |
| FLOPS | ~458.2 GFLOPS | ~536.1 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 4576 | 2589 |
| Single-core score | 1205 | 1053 |
| Multi-core score | 3129 | 2879 |
AnTuTu Benchmark 11
| CPU | 413296 | 347161 |
| GPU | 193287 | 129814 |
| Memory | 162287 | 226781 |
| UX | 284536 | 286596 |
| Total score | 1053406 | 990352 |
| Samples | Less than 3 | Less than 3 |
Memory
| RAM size | 8 GB | 12 GB |
| Memory type | LPDDR5 | LPDDR5X |
| Memory clock | 3200 MHz | - |
| Channels | 2 | 4 |
| Storage size | 256 GB | 256 GB |
| Storage type | UFS 3.1 | UFS 3.1 |
| Memory card | No | No |
Software
| Operating system | Android 16 | Android 16 |
| ROM | OriginOS 6 | ColorOS 16 |
| OS updates | 3 years | - |
| Security updates | 5 years | - |
Battery
| Capacity | 9020 mAh | 8000 mAh |
| Max charge power | 90 W | 80 W |
| Battery type | Silicon-Carbon (Si/C) | Silicon-Carbon (Si/C) |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | Yes | Yes |
| Bypass charging | Yes | Yes |
| Fast charging | Yes (50% in 37 min) | Yes |
| Full charging time | 1:15 hr | - |
Main camera
| Matrix | 50 megapixels | 50 megapixels |
| Image resolution | 8192 x 6144 | 8192 x 6144 |
| Zoom | Digital | Digital |
| Flash | LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | Up to 30FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 240 FPS (1080p) | 240 FPS (1080p) |
| Angle of widest lens | - | 143° |
| Lenses | 1) Standard: 50 MP 2) Depth |
1) Standard: 50 MP 2) Ultrawide: 8 MP |
| Camera features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/1.8 | f/1.8 |
| Focal length | - | 26 mm |
| Sensor size | 1/1.95" (≈ 0.51 inch) | - |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Optical | Optical |
| Image resolution | - | 8 MP |
| Aperture | - | f/2.2 |
| Focal length | - | 16 mm |
| Stabilization | - | Digital |
Selfie camera
| Megapixels | 32 megapixels | 50 megapixels |
| Image resolution | 6528 x 4896 | - |
| Aperture | f/2.0 | f/2.0 |
| Focal length | - | 18 mm |
| Sensor | CMOS | - |
| Autofocus | No | Phase autofocus |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 30 FPS | 2160p (4K) 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 6 (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - 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 | 5.2 | 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 | No | No |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
| NFC* | Yes | Yes |
| Infrared port | No | Yes |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | No |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | No | - |
Other
| Category | Mid-range | Mid-range |
| Announced | May 2026 | July 2026 |
| Release date | May 2026 | July 2026 |
| Launch price (MSRP) | $348 | $340 |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 100 W | Yes, 80 W |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the gaming is more important to you, then choose the Vivo iQOO Z11. But if the design and sound are more of a priority – go for the Oppo K15.
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