Xiaomi Redmi K90 Ultra vs Vivo iQOO 15T
88
out of 100
VS
90
out of 100
Here we compared two flagship smartphones: the 6.83-inch Xiaomi Redmi K90 Ultra (with Qualcomm Snapdragon 8 Elite) that was released on June 30, 2026, against the Vivo iQOO 15T, which is powered by MediaTek Dimensity 9500 Monster and came out 1 month before. 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 Xiaomi Redmi K90 Ultra
- Higher display refresh rate – 165 Hz
- Slow-motion recording at 1920FPS
- Supports Dolby Atmos sound technology
Reasons to consider the Vivo iQOO 15T
- 45% better performance in AnTuTu Benchmark (4704K versus 3233K)
- Newer Bluetooth version (v6.0)
- More recent OS version: Android 17 versus 16
- 14% higher pixel density (510 vs 447 PPI)
- 8% faster in single-core GeekBench 6 test: 3507 and 3261 points
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 DeviceFacts Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | AMOLED |
| Size | 6.83 inches | 6.82 inches |
| Resolution | 1280 x 2772 pixels | 1440 x 3168 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| PPI | 447 ppi | 510 ppi |
| Refresh rate | 165 Hz | 144 Hz |
| Adaptive refresh rate | Yes | Yes |
| Max rated brightness | - | 1800 nits |
| Max rated brightness in HDR | 9500 nits | 4500 nits |
| HDR support | Yes, Dolby Vision | Yes, Dolby Vision |
| Touch sampling rate | 480 Hz | 300 Hz |
| Screen protection | Tempered glass | Tempered glass |
| Screen-to-body ratio | 90.2% | 89.6% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
Design and build
| Height | 162.91 mm (6.41 inches) | 163.4 mm (6.43 inches) |
| Width | 77.93 mm (3.07 inches) | 76.7 mm (3.02 inches) |
| Thickness | 8.18 mm (0.32 inches) | 8.3 mm (0.33 inches) |
| Weight | 227 g (8.01 oz) | 216 g (7.62 oz) |
| Waterproof | IP69 | IP69 |
| Advanced cooling | Active fan | Vapor chamber |
| Rear material | - | Glass |
| Frame material | Metal | Metal |
| Colors | Black, Silver, Blue | White, Black, Blue, Purple |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9500 Monster |
| Max clock | 4320 MHz | 4210 MHz |
| CPU cores | 8 (2 + 6) | 8 (1 + 3 + 4) |
| Architecture | - 6 cores at 3.53 GHz: Oryon (Phoenix M) - 2 cores at 4.32 GHz: Oryon (Phoenix L) |
- 4 cores at 2.7 GHz: C1-Pro - 3 cores at 3.5 GHz: C1-Premium - 1 core at 4.21 GHz: C1-Ultra |
| L3 cache | 8 MB | 16 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 3 nanometers | 3 nanometers |
| Neural processor (NPU) | Hexagon | MediaTek NPU 990 |
| Graphics | Adreno 830 | Mali-G1 Ultra MP12 |
| GPU shading units | 1536 | 1536 |
| GPU clock | 1100 MHz | 1716 MHz |
| FLOPS | ~3379.2 GFLOPS | ~5271.5 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 24370 | 23147 |
| Single-core score | 3261 | 3507 |
| Multi-core score | 10224 | 10634 |
AnTuTu Benchmark 11
| CPU | 924949 | 1310391 |
| GPU | 1161971 | 1671982 |
| Memory | 466704 | 743018 |
| UX | 680071 | 981973 |
| Total score | 3233695 | 4704310 |
| Samples | Less than 3 | Less than 3 |
AnTuTu 11 Ranking List (72nd and 11th place)
Recent User Tests
Xiaomi Redmi K90 Ultra
No benchmark results yet
Vivo iQOO 15T
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-07-20 -> fire | AnTuTu 11 | 4704310 |
Memory
| RAM size | 12 GB | 12 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | 5300 MHz | 5333 MHz |
| Channels | 4 | 4 |
| Storage size | 256 GB | 256 GB |
| Storage type | UFS 4.1 | UFS 4.1 |
| Memory card | No | No |
Software
| Operating system | Android 16 | Android 16 (Can be upgraded to Android 17) |
| ROM | HyperOS 3 | OriginOS 7 |
| OS updates | 4 years | 5 years |
| Security updates | 6 years | 7 years |
Battery
| Capacity | 8550 mAh | 8000 mAh |
| Max charge power | 100 W | 100 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 |
| Fast charging | Yes | Yes |
Main camera
| Matrix | 50 megapixels | 200 megapixels |
| Image resolution | 8192 x 6144 | 16320 x 12288 |
| Zoom | Digital | Digital |
| Flash | Dual LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 30FPS | Up to 30FPS |
| 4K video recording | Up to 60FPS | Up to 60FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 1920 FPS (710p) | 240 FPS (1080p) |
| Lenses | 1) Standard: 50 MP 2) Ultrawide: 8 MP |
1) Standard: 200 MP 2) Ultrawide: 50 MP |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode |
| Image resolution | 50 MP | 200 MP |
| Aperture | f/1.7 | f/1.9 |
| Focal length | 24 mm | - |
| Sensor size | 1/1.55" (≈ 0.65 inch) | 1/1.56" (≈ 0.64 inch) |
| Pixel size | 1 micron | 0.5 micron |
| Autofocus | Phase autofocus | Laser autofocus |
| Stabilization | Optical | Optical |
| Image resolution | 8 MP | 50 MP |
| Aperture | f/2.2 | f/2.0 |
| Focal length | 15 mm | 15 mm |
| Sensor | - | Samsung S5KJN5 |
| Sensor size | 1/4.0" (≈ 0.25 inch) | 1/2.76" (≈ 0.36 inch) |
| Pixel size | 1.14 micron | 0.64 micron |
| Stabilization | Digital | Digital |
Selfie camera
| Megapixels | 20 megapixels | 16 megapixels |
| Image resolution | 5184 x 3888 | - |
| Aperture | f/2.2 | f/2.5 |
| Autofocus | No | Phase autofocus |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 60 FPS | 1080p (Full HD) at 30 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| 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 | 5.4 | 6.0 |
| 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, NAVIC | GPS, GLONASS, Beidou, Galileo, QZSS |
| NFC* | Yes | Yes |
| Infrared port | Yes | 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 | Yes | No |
Other
| Category | Flagship | Flagship |
| Announced | June 2026 | May 2026 |
| Release date | June 2026 | May 2026 |
| Launch price (MSRP) | $440 | $560 |
| 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, 100 W |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the gaming and connectivity are more important to you, then choose the Vivo iQOO 15T. But if the software, design, and sound are more of a priority – go for the Xiaomi Redmi K90 Ultra.
Cast your vote
Total votes: 1