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- S53 vs Redmi K50
Cat S53 vs Xiaomi Redmi K50
What S53 does better (5) and where Redmi K50 wins (20) — every spec side by side.
Dimensions
Size comparison
S53Redmi K50
| S53 | Redmi K50 | Difference | |
|---|---|---|---|
| Height | 171 mm | 163.1 mm | +7.9 mm |
| Width | 81 mm | 76.2 mm | +4.8 mm |
| Thickness | 16 mm | 8.5 mm | +7.5 mm |
| Weight | 320 g | 201 g | +119 g |
Drawn to the same scale from the official dimensions (front and side).
Why is S53 better than Redmi K50?
- Water resistance (IPx)IPx8 vs IPx32.7×
- Wireless chargingYes · Redmi K50: No
- Memory card slotYes · Redmi K50: No
- 3.5 mm headphone jackYes · Redmi K50: No
- USB version3 vs 2+50%
Why is Redmi K50 better than S53?
- Refresh rate60 Hz vs 120 Hz2×
- RAM6 GB vs 12 GB2×
- Storage (max)128 GB vs 512 GB4×
- OLED panelNo · S53: Yes
- Optical stabilisationNo · S53: Yes
- Stereo speakersNo · S53: Yes
- Pixel density270 ppi vs 526 ppi+95%
- Weight320 g vs 201 g+59%
- CPU frequency2 GHz vs 2.85 GHz+43%
- Resolution (width)720 px vs 1,440 px2×
- Rear cameras1 vs 22×
- Ultra-wide cameraNo · S53: Yes
Specifications
Side by side
| Design | ||
| Weight | 320 g | 201 g |
| Thickness | 16 mm | 8.5 mm |
| Height | 171 mm | 163.1 mm |
| Width | 81 mm | 76.2 mm |
| Back | — | Glass |
| Ingress protection | IP68 | IP53 |
| Water resistance (IPx) | IPx8 | IPx3 |
| Glass protection | — | Corning Gorilla Glass Victus |
| Colours | Black | Black, Gray, Blue, Green |
| Display | ||
| Screen size | 6.5″ | 6.7″ |
| Panel | IPS LCD | OLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,440 px |
| Resolution (height) | 1,600 px | 3,200 px |
| Pixel density | 270 ppi | 526 ppi |
| Refresh rate | 60 Hz | 120 Hz |
| Peak brightness | — | 1,200 nits |
| Screen-to-body ratio | 73.6% | 86.4% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Qualcomm SM4350 Snapdragon 480 5G | Mediatek Dimensity 8100 |
| Chip maker | Qualcomm | MediaTek |
| Process | 8 nm | 5 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2.85 GHz |
| GPU | Adreno 619 | Mali-G610 |
| Memory | ||
| RAM | 6 GB | 12 GB |
| Storage (max) | 128 GB | 512 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | — | UFS 3.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 48 MP | 48 MP |
| Main camera aperture | f/1.8 | — |
| Main sensor size | — | 1/2.0" |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 16 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,500 mAh | 5,500 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | — | 67 W |
| Charged in 30 min | — | 80% |
| Wireless charging | Yes | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5.1 | 5.3 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.0 | USB Type-C 2.0 |
| USB version | 3 | 2 |
| Dual-band GPS | — | Yes |
| Satellite navigation | — | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Rear | Side |
| Sensors | Fingerprint (rear-mounted), accelerometer | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 11 | Android 12 |
| Platform | Android | Android |
| Interface | — | MIUI 13 |
