- android.gs
- Compare
- X7 Pro Ultra vs Redmi K40
Realme X7 Pro Ultra vs Xiaomi Redmi K40
What X7 Pro Ultra does better (7) and where Redmi K40 wins (4) — every spec side by side.
vs
7.4Display7.9
8.1Camera6.7
5.2Battery4.2
7.9Features8.7
Dimensions
Size comparison
X7 Pro UltraRedmi K40
| X7 Pro Ultra | Redmi K40 | Difference | |
|---|---|---|---|
| Height | 159.9 mm | 163.7 mm | −3.8 mm |
| Width | 73.4 mm | 76.4 mm | −3 mm |
| Thickness | 7.8 mm | 7.8 mm | = |
| Weight | 170 g | 196 g | −26 g |
Drawn to the same scale from the official dimensions (front and side).
Why is X7 Pro Ultra better than Redmi K40?
- Wired charging65 W vs 33 W+97%
- Main camera64 MP vs 48 MP+33%
- 4K video frame rate60 fps vs 30 fps2×
- Weight170 g vs 196 g+15%
- Selfie camera32 MP vs 20 MP+60%
- Charged in 30 min86% vs 58%+48%
- Screen-to-body ratio88.3% vs 85.9%+3%
Why is Redmi K40 better than X7 Pro Ultra?
- Stereo speakersNo · X7 Pro Ultra: Yes
- Refresh rate90 Hz vs 120 Hz+33%
- CPU frequency2.6 GHz vs 3.2 GHz+23%
- Peak brightness1,200 nits vs 1,300 nits+8%
Specifications
Side by side
| Design | ||
| Weight | 170 g | 196 g |
| Thickness | 7.8 mm | 7.8 mm |
| Height | 159.9 mm | 163.7 mm |
| Width | 73.4 mm | 76.4 mm |
| Glass protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Colours | Black, Aurora | Black, White, Aurora |
| Display | ||
| Screen size | 6.6″ | 6.7″ |
| Panel | Super AMOLED | Super AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 402 ppi | 395 ppi |
| Refresh rate | 90 Hz | 120 Hz |
| Peak brightness | 1,200 nits | 1,300 nits |
| Screen-to-body ratio | 88.3% | 85.9% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Mediatek Dimensity 1000+ | Qualcomm SM8250-AC Snapdragon 870 5G |
| Chip maker | MediaTek | Qualcomm |
| Process | 7 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.6 GHz | 3.2 GHz |
| GPU | Mali-G77 MC9 | Adreno 650 |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | — | UFS 3.1 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 64 MP | 48 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/2.0" | 1/2.0" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 4K |
| 4K video frame rate | 60 fps | 30 fps |
| Selfie camera | 32 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,500 mAh | 4,520 mAh |
| Battery type | — | Li-Po |
| Wired charging | 65 W | 33 W |
| Charged in 30 min | 86% | 58% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.1 | 5.1 |
| NFC | Yes | 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, NavIC |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | No | No |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | — | MIUI 12 |









