Xiaomi Redmi K90 Ultra vs K70 Ultra
88
out of 100
VS
74
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 Xiaomi Redmi K70 Ultra, which is powered by MediaTek Dimensity 9300 Plus and came out 2 years 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
- Comes with 3050 mAh larger battery capacity: 8550 vs 5500 mAh
- 36% better performance in AnTuTu Benchmark (3233K versus 2384K)
- Higher display refresh rate β 165 Hz
- Waterproof body (IP69 classification)
- The phone is 2 years newer
- More recent OS version: Android 16 versus 14
- Slow-motion recording at 1920FPS
- Faster storage type - UFS 4.1 versus UFS 4.0
- Reverse charging feature
- 45% faster in single-core GeekBench 6 test: 3261 and 2256 points
Reasons to consider the Xiaomi Redmi K70 Ultra
- Supports higher wattage charging (120W versus 100W)
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 | OLED |
| Size | 6.83 inches | 6.67 inches |
| Resolution | 1280 x 2772 pixels | 1220 x 2712 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| PPI | 447 ppi | 446 ppi |
| Refresh rate | 165 Hz | 144 Hz |
| Adaptive refresh rate | Yes | Yes |
| Max rated brightness | - | 4000 nits |
| Max rated brightness in HDR | 9500 nits | - |
| HDR support | Yes, Dolby Vision | Yes, Dolby Vision |
| Touch sampling rate | 480 Hz | 480 Hz |
| Screen protection | Tempered glass | Tempered glass |
| Screen-to-body ratio | 90.2% | 89.1% |
| 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) | 160.4 mm (6.31 inches) |
| Width | 77.93 mm (3.07 inches) | 75.1 mm (2.96 inches) |
| Thickness | 8.18 mm (0.32 inches) | 8.4 mm (0.33 inches) |
| Weight | 227 g (8.01 oz) | 211 g (7.44 oz) |
| Waterproof | IP69 | IP68 |
| Advanced cooling | Active fan | Vapor chamber |
| Rear material | - | Glass |
| Frame material | Metal | Metal |
| Colors | Black, Silver, Blue | White, Black, Green, Orange, Purple |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9300 Plus |
| Max clock | 4320 MHz | 3400 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 GHz: Cortex-A720 - 3 cores at 2.85 GHz: Cortex-X4 - 1 core at 3.4 GHz: Cortex-X4 |
| L3 cache | 8 MB | 8 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 3 nanometers | 4 nanometers |
| Neural processor (NPU) | Hexagon | MediaTek NPU 790 |
| Graphics | Adreno 830 | Immortalis-G720 MC12 |
| GPU shading units | 1536 | 1536 |
| GPU clock | 1200 MHz | 1300 MHz |
| FLOPS | ~3379.2 GFLOPS | ~3993.6 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 24370 | 13185 |
| Single-core score | 3261 | 2256 |
| Multi-core score | 10224 | 7541 |
AnTuTu Benchmark 11
| CPU | 924949 | 690068 |
| GPU | 1161971 | 778300 |
| Memory | 466704 | 370642 |
| UX | 680071 | 545839 |
| Total score | 3233695 | 2384849 |
| Samples | Less than 3 | [3 tests] |
3DMark Steel Nomad Light
| Stability | - | 76% |
| Graphics test | - | 11 FPS |
| Graphics score | - | 1474 |
3DMark Solar Bay
| Graphics test | - | 25 FPS |
| Section 1 | - | 27 FPS |
| Section 2 | - | 25 FPS |
| Section 3 | - | 22 FPS |
| Graphics score | - | 6488 |
3DMark Wild Life Extreme
| Stability | - | 70% |
| Graphics test | - | 22 FPS |
| Graphics score | - | 3834 |
PCMark 3.0
| Web score | - | 15413 |
| Video editing | - | 6546 |
| Photo editing | - | 27049 |
| Data manipulation | - | 14781 |
| Writing score | - | 17583 |
AnTuTu 11 Ranking List (81st and 184th place)
Recent User Tests
Xiaomi Redmi K90 Ultra
No benchmark results yet
Xiaomi Redmi K70 Ultra
| Date | Benchmark | Result |
|---|---|---|
| π 2026-10-15 (oxcy) | AnTuTu 11 | 2523358 |
| π 2026-01-10 (Caleb) | Geekbench 6 GPU | 13185 |
| π 2026-01-10 (Caleb) | Geekbench 6 CPU | 1988 / 7243 |
| π 2026-01-10 (Caleb) | AnTuTu 11 | 2384849 |
| π 2026-01-10 (Caleb) | AnTuTu 11 | 2384849 |
Memory
| RAM size | 12 GB | 12 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | 5300 MHz | 4800 MHz |
| Channels | 4 | 4 |
| Storage size | 256 GB | 256 GB |
| Storage type | UFS 4.1 | UFS 4.0 |
| Memory card | No | No |
Software
| Operating system | Android 16 | Android 14 |
| ROM | HyperOS 3 | HyperOS 1.0 |
| OS updates | 4 years | - |
| Security updates | 6 years | - |
Battery
| Capacity | 8550 mAh | 5500 mAh |
| Max charge power | 100 W | 120 W |
| Battery type | Silicon-Carbon (Si/C) | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | Yes | No |
| Fast charging | Yes | Yes (50% in 12 min) |
| Full charging time | - | 0:24 hr |
Main camera
| Matrix | 50 megapixels | 50 megapixels |
| Image resolution | 8192 x 6144 | 8192 x 6144 |
| 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 (720p) | 960 FPS (1080p) |
| Angle of widest lens | - | 119Β° |
| Lenses | 1) Standard: 50 MP 2) Ultrawide: 8 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/1.7 | f/1.7 |
| Focal length | 24 mm | 23 mm |
| Sensor | - | Sony IMX906 |
| Sensor size | 1/1.55" (β 0.65 inch) | 1/1.56" (β 0.64 inch) |
| Pixel size | 1 micron | 1 micron |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Optical | Optical |
| Image resolution | 8 MP | 8 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 15 mm | - |
| Sensor | - | Samsung S5KJN1 |
| Sensor size | 1/4.0" (β 0.25 inch) | 1/4.0" (β 0.25 inch) |
| Pixel size | 1.14 micron | 1.12 micron |
| Stabilization | Digital | Digital |
| Image resolution | - | 2 MP |
| Aperture | - | f/2.4 |
| Sensor | - | GalaxyCore GC02M1 |
| Sensor size | - | 1/5" (β 0.2 inch) |
| Pixel size | - | 1.75 micron |
| Stabilization | - | Digital |
Selfie camera
| Megapixels | 20 megapixels | 20 megapixels |
| Image resolution | 5184 x 3888 | - |
| Aperture | f/2.2 | - |
| Sensor | - | Omnivision OV20B |
| Sensor size | - | 1/2.0" (β 0.5 inch) |
| Autofocus | No | - |
| 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) |
| 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 | 5.4 |
| Bluetooth features | LE | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | - |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| DisplayPort | No | - |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
| 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 | - |
| Dolby Atmos | Yes | - |
Other
| Category | Flagship | Flagship |
| Announced | June 2026 | July 2024 |
| Release date | June 2026 | July 2024 |
| Launch price (MSRP) | $440 | $360 |
| Successor | - | - Xiaomi Redmi K90 Ultra |
| 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, 120 W |
Further details
Notes on Redmi K70 Ultra:
- Also known as Redmi K70 Extreme Edition in China.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
After analyzing all the data, we think that the Xiaomi Redmi K90 Ultra is definitely a better buy.
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Total votes: < 1