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- X3 vs Redmi K30 Ultra
Realme X3 vs Xiaomi Redmi K30 Ultra
What X3 does better (7) and where Redmi K30 Ultra wins (10) — every spec side by side.
vs
6.8Display7.2
7.9Camera7.8
3.1Battery4.2
5.0Features8.7
Dimensions
Size comparison
X3Redmi K30 Ultra
| X3 | Redmi K30 Ultra | Difference | |
|---|---|---|---|
| Height | 163.8 mm | 163.3 mm | +0.5 mm |
| Width | 75.8 mm | 75.4 mm | +0.4 mm |
| Thickness | 8.9 mm | 9.1 mm | −0.2 mm |
| Weight | 202 g | 213 g | −11 g |
Drawn to the same scale from the official dimensions (front and side).
Why is X3 better than Redmi K30 Ultra?
- 4K video frame rate60 fps vs 30 fps2×
- CPU frequency2.96 GHz vs 2.6 GHz+14%
- Weight202 g vs 213 g+5%
- Rear cameras3 vs 2+50%
- Charged in 30 min55% vs 52%+6%
- Main camera aperturef/1.8 vs f/1.9+6%
- Thickness8.9 mm vs 9.1 mm+2%
Why is Redmi K30 Ultra better than X3?
- Storage (max)128 GB vs 512 GB4×
- OLED panelNo · X3: Yes
- NFCNo · X3: Yes
- Stereo speakersNo · X3: Yes
- Battery capacity4,200 mAh vs 4,500 mAh+7%
- Wired charging30 W vs 33 W+10%
- Optical zoom2× vs 2.1×+5%
- Selfie camera16 MP vs 20 MP+25%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 6+20%
- Screen-to-body ratio84.7% vs 87.2%+3%
Specifications
Side by side
| Design | ||
| Weight | 202 g | 213 g |
| Thickness | 8.9 mm | 9.1 mm |
| Height | 163.8 mm | 163.3 mm |
| Width | 75.8 mm | 75.4 mm |
| Frame | Plastic | Aluminium |
| Back | Glass | Glass |
| Glass protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Colours | Glacier Blue, Arctic White | Moonlight White, Midnight Black, Mint Green |
| Display | ||
| Screen size | 6.6″ | 6.7″ |
| Panel | IPS LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 399 ppi | 395 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | — | 500 nits |
| Screen-to-body ratio | 84.7% | 87.2% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Qualcomm SM8150 Snapdragon 855+ | Mediatek Dimensity 1000+ |
| Chip maker | Qualcomm | MediaTek |
| Process | 7 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.96 GHz | 2.6 GHz |
| GPU | Adreno 640 | Mali-G77 MC9 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 128 GB | 512 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 3.0 | — |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 64 MP | 64 MP |
| Main camera aperture | f/1.8 | f/1.9 |
| Main sensor size | 1/1.72" | 1/1.73" |
| Rear cameras | 3 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 2× | 2.1× |
| Max video | 4K | 4K |
| 4K video frame rate | 60 fps | 30 fps |
| Selfie camera | 16 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,200 mAh | 4,500 mAh |
| Battery type | — | Li-Po |
| Wired charging | 30 W | 33 W |
| Charged in 30 min | 55% | 52% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5 | 5.1 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Dual-band GPS | Yes | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | No | No |
| Fingerprint sensor | Side | Under display |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | — | MIUI 12 |
