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- Galaxy S21 Ultra 5G vs Redmi K70E
Samsung Galaxy S21 Ultra 5G vs Xiaomi Redmi K70E
What Galaxy S21 Ultra 5G does better (13) and where Redmi K70E wins (13) — every spec side by side.
vs
9.1Display8.6
6.7Performance8.5
9.8Camera8.4
6.2Battery8.7
9.4Features8.7
Dimensions
Size comparison
Galaxy S21 Ultra 5GRedmi K70E
| Galaxy S21 Ultra 5G | Redmi K70E | Difference | |
|---|---|---|---|
| Height | 165.1 mm | 160.5 mm | +4.6 mm |
| Width | 75.6 mm | 74.3 mm | +1.3 mm |
| Thickness | 8.9 mm | 8.1 mm | +0.8 mm |
| Weight | 227 g | 198 g | +29 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy S21 Ultra 5G better than Redmi K70E?
- Main camera108 MP vs 64 MP+69%
- Telephoto cameraYes · Redmi K70E: No
- Wireless chargingYes · Redmi K70E: No
- Selfie camera40 MP vs 16 MP2.5×
- Rear cameras4 vs 22×
- Max video8K vs 4K
- 4K video frame rate60 fps vs 30 fps2×
- 4K selfie videoYes · Redmi K70E: No
- eSIMYes · Redmi K70E: No
- Pixel density515 ppi vs 446 ppi+15%
- USB version3.2 vs 2+60%
- Resolution (width)1,440 px vs 1,220 px+18%
Why is Redmi K70E better than Galaxy S21 Ultra 5G?
- AnTuTu score657,150 vs 1,886,4292.9×
- Wired charging25 W vs 90 W3.6×
- Storage (max)512 GB vs 1,024 GB2×
- Geekbench 6 (multi-core)3,518 vs 4,708+34%
- Battery capacity5,000 mAh vs 5,500 mAh+10%
- Storage (base)128 GB vs 256 GB2×
- Peak brightness1,500 nits vs 1,800 nits+20%
- CPU frequency2.9 GHz vs 3.35 GHz+16%
- Weight227 g vs 198 g+15%
- Charged in 30 min54% vs 88%+63%
- Process5 nm vs 4 nm+25%
- Thickness8.9 mm vs 8.1 mm+10%
Specifications
Side by side
| Design | ||
| Weight | 227 g | 198 g |
| Thickness | 8.9 mm | 8.1 mm |
| Height | 165.1 mm | 160.5 mm |
| Width | 75.6 mm | 74.3 mm |
| Frame | Aluminium | — |
| Back | Glass | — |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Glass protection | Corning Gorilla Glass Victus | Corning Gorilla Glass |
| Colours | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | Black, White, Mint |
| Stylus | Yes | — |
| Display | ||
| Screen size | 6.8″ | 6.7″ |
| Panel | Dynamic AMOLED 2X | OLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,440 px | 1,220 px |
| Resolution (height) | 3,200 px | 2,712 px |
| Pixel density | 515 ppi | 446 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 1,800 nits |
| Measured brightness | 1,023 nits | — |
| Screen-to-body ratio | 89.8% | 90.1% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Exynos 2100 - International | Mediatek Dimensity 8300 Ultra |
| Chip maker | Qualcomm | MediaTek |
| Process | 5 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.9 GHz | 3.35 GHz |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China | Mali G615-MC6 |
| AnTuTu score | 657,150 | 1,886,429 |
| Geekbench 6 (multi-core) | 3,518 | 4,708 |
| 3DMark Wild Life Extreme | — | 2,768 |
| Memory | ||
| RAM | 16 GB | 16 GB |
| Storage (max) | 512 GB | 1,024 GB |
| Storage (base) | 128 GB | 256 GB |
| Storage type | UFS 3.1 | UFS 4.0 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 108 MP | 64 MP |
| Main camera aperture | f/1.8 | — |
| Main sensor size | 1/1.33" | 1/2.0" |
| Rear cameras | 4 | 2 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | No |
| Optical zoom | 10× | — |
| Max video | 8K | 4K |
| 4K video frame rate | 60 fps | 30 fps |
| Selfie camera | 40 MP | 16 MP |
| 4K selfie video | Yes | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,500 mAh |
| Battery type | Li-Ion | Li-Po |
| Wired charging | 25 W | 90 W |
| Charged in 30 min | 54% | 88% |
| Wireless charging | Yes | No |
| Wireless charging power | 15 W | — |
| Reverse wireless charging | Yes | — |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | Yes | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 6 |
| Bluetooth | 5.2 | 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 | USB Type-C |
| USB version | 3.2 | 2 |
| Ultra Wideband | Yes | — |
| Infrared port | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -25.5 LUFS | — |
| Fingerprint sensor | Under display, ultrasonic | Under display |
| Barometer | Yes | — |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass |
| SAR (head) | 0.71 W/kg | — |
| Software | ||
| OS at launch | Android 11 | Android 14 |
| Platform | Android | Android |
| Interface | One UI 7 | HyperOS |
| Major OS updates promised | 4 | — |
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