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- Reno4 5G vs V21 5G
OPPO Reno4 5G vs Vivo V21 5G
What Reno4 5G does better (3) and where V21 5G wins (9) — every spec side by side.
Dimensions
Size comparison
Reno4 5GV21 5G
| Reno4 5G | V21 5G | Difference | |
|---|---|---|---|
| Height | 159.3 mm | 159.7 mm | −0.4 mm |
| Width | 74 mm | 73.9 mm | +0.1 mm |
| Thickness | 7.8 mm | 7.3 mm | +0.5 mm |
| Weight | 183 g | 176 g | +7 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Reno4 5G better than V21 5G?
- Wired charging65 W vs 33 W+97%
- Charged in 30 min120% vs 63%+90%
- Main camera aperturef/1.7 vs f/1.8+6%
Why is V21 5G better than Reno4 5G?
- Refresh rate60 Hz vs 90 Hz+50%
- Optical stabilisationNo · Reno4 5G: Yes
- Main camera48 MP vs 64 MP+33%
- Memory card slotNo · Reno4 5G: Yes
- 4K selfie videoNo · Reno4 5G: Yes
- Peak brightness430 nits vs 500 nits+16%
- Weight183 g vs 176 g+4%
- Selfie camera32 MP vs 44 MP+38%
- Thickness7.8 mm vs 7.3 mm+7%
Specifications
Side by side
| Design | ||
| Weight | 183 g | 176 g |
| Thickness | 7.8 mm | 7.3 mm |
| Height | 159.3 mm | 159.7 mm |
| Width | 74 mm | 73.9 mm |
| Frame | Aluminium | Plastic |
| Back | Glass | Plastic |
| Glass protection | Corning Gorilla Glass 5 | — |
| Colours | Galactic Blue, Space Black, Purple | Dusk Blue, Sunset Dazzle, Arctic White |
| Display | ||
| Screen size | 6.4″ | 6.4″ |
| Panel | AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 409 ppi | 409 ppi |
| Refresh rate | 60 Hz | 90 Hz |
| Peak brightness | 430 nits | 500 nits |
| Measured brightness | — | 761 nits |
| Screen-to-body ratio | 84.7% | 84.8% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Qualcomm SM7250 Snapdragon 765G 5G | Mediatek Dimensity 800U |
| Chip maker | Qualcomm | MediaTek |
| Process | 7 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.4 GHz | 2.4 GHz |
| GPU | Adreno 620 | Mali-G57 MC3 |
| AnTuTu score | — | 336,699 |
| Geekbench 6 (multi-core) | — | 6,516 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.1 | UFS 2.2 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 48 MP | 64 MP |
| Main camera aperture | f/1.7 | f/1.8 |
| Main sensor size | 1/2.0" | 1/1.72" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 30 fps |
| Selfie camera | 32 MP | 44 MP |
| 4K selfie video | No | Yes |
| Battery | ||
| Battery capacity | 4,000 mAh | 4,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 65 W | 33 W |
| Charged in 30 min | 120% | 63% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| 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 | — |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | — | -28.2 LUFS |
| Fingerprint sensor | Under display | Under display |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| SAR (head) | — | 1.05 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 11 |
| Platform | Android | Android |
| Interface | ColorOS 7.2 | Funtouch 11.1 |









