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- Ace 5 Ultra vs Redmi K90
OnePlus Ace 5 Ultra vs Xiaomi Redmi K90
What Ace 5 Ultra does better (4) and where Redmi K90 wins (11) — every spec side by side.
vs
9.5Display9.4
9.2Performance9.5
8.6Camera9.1
9.4Battery9.5
8.3Features9.3
Dimensions
Size comparison
Ace 5 UltraRedmi K90
| Ace 5 Ultra | Redmi K90 | Difference | |
|---|---|---|---|
| Height | 163.4 mm | 157.5 mm | +5.9 mm |
| Width | 77 mm | 75.3 mm | +1.7 mm |
| Thickness | 8.1 mm | 8 mm | +0.1 mm |
| Weight | 206 g | 206 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Ace 5 Ultra better than Redmi K90?
- Pixel density450 ppi vs 419 ppi+7%
- Screen size6.8″ vs 6.6″+4%
- Resolution (width)1,272 px vs 1,156 px+10%
- Main camera aperturef/1.8 vs f/1.9+6%
Why is Redmi K90 better than Ace 5 Ultra?
- Refresh rate144 Hz vs 560 Hz3.9×
- Peak brightness1,400 nits vs 3,500 nits2.5×
- Telephoto cameraNo · Ace 5 Ultra: Yes
- AnTuTu score2,948,304 vs 3,126,494+6%
- Battery capacity6,700 mAh vs 7,100 mAh+6%
- Water resistance (IPx)IPx5 vs IPx8+60%
- Geekbench 6 (multi-core)8,564 vs 9,442+10%
- Max video4K vs 8K
- CPU frequency3.73 GHz vs 4.32 GHz+16%
- Rear cameras2 vs 3+50%
- Selfie camera16 MP vs 20 MP+25%
Specifications
Side by side
| Design | ||
| Weight | 206 g | 206 g |
| Thickness | 8.1 mm | 8 mm |
| Height | 163.4 mm | 157.5 mm |
| Width | 77 mm | 75.3 mm |
| Frame | — | Aluminium |
| Ingress protection | IP65 | IP68 |
| Water resistance (IPx) | IPx5 | IPx8 |
| Glass protection | Crystal Shield Glass | Xiaomi Dragon Crystal Glass |
| Colours | Blue, Black, Titanium | Black, White, Blue, Purple |
| Display | ||
| Screen size | 6.8″ | 6.6″ |
| Panel | AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,272 px | 1,156 px |
| Resolution (height) | 2,800 px | 2,510 px |
| Pixel density | 450 ppi | 419 ppi |
| Refresh rate | 144 Hz | 560 Hz |
| Peak brightness | 1,400 nits | 3,500 nits |
| Screen-to-body ratio | 90.1% | 89.8% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Mediatek Dimensity 9400+ | Qualcomm SM8750-AB Snapdragon 8 Elite |
| Chip maker | MediaTek | Qualcomm |
| Process | 3 nm | 3 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 3.73 GHz | 4.32 GHz |
| GPU | Immortalis-G925 MC12 | Adreno 830 |
| AnTuTu score | 2,948,304 | 3,126,494 |
| Geekbench 6 (multi-core) | 8,564 | 9,442 |
| 3DMark Wild Life Extreme | 5,144 | — |
| Memory | ||
| RAM | 16 GB | 16 GB |
| Storage (max) | 1,024 GB | 1,024 GB |
| Storage (base) | 256 GB | 256 GB |
| Storage type | UFS 4.0 | UFS 4.1 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.9 |
| Main sensor size | 1/1.56" | 1/1.55" |
| Rear cameras | 2 | 3 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | Yes |
| Optical zoom | — | 2.5× |
| Max video | 4K | 8K |
| 4K video frame rate | 60 fps | 60 fps |
| Selfie camera | 16 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 6,700 mAh | 7,100 mAh |
| Battery type | Si/C | Si/C |
| Wired charging | 100 W | 100 W |
| Charged in 30 min | 77% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | — |
| Infrared port | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS, NavIC | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Fingerprint sensor | Under display | Under display, ultrasonic |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 15 | Android 16 |
| Platform | Android | Android |
| Interface | ColorOS 15 | HyperOS 3 |
