Oppo K13 Pro vs Vivo S21
Quick Comparison
Oppo K13 Pro has better RAM than Vivo S21. In terms of display resolution, Vivo S21 has better resolution of 2800 x 1260 than Oppo K13 Pro which has resolution of 2412 x 1080. Both have the same amount of internal memory.
| Name | Oppo K13 Pro | Vivo S21 |
| RAM | 12 GB | 8 GB |
|---|---|---|
| Display | 6.78 in | 6.78 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 6500 mAh | 6700 mAh |
| Camera | 50 MP + 8 MP + 2 MP Triple | 50 MP + 50 MP Dual |
| Price | Rs. 29990 | Rs. 29990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is expected to be May 24, 2025 (Expected). The Expected cost of Oppo K13 Pro is Rs. 29990. The launch Date of the second phone is expected to be November 28, 2025 (Expected). The cost of Vivo S21 is Rs. 29990.
Display comparison
Both the phones have AMOLED Screen Type. Vivo's phone has display density of 453 PPI & OPPO's phone has only 390 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 90.2% than OPPO's phone ~ 88.3%. Oppo K13 Pro has 20.1:9 aspect ratio where as Vivo S21 has 20:9 aspect ratio.
Memory comparison
Oppo K13 Pro's larger 12 GB RAM is better for playing games and all with respect to Vivo S21's lower 8 GB RAM. and both have same Internal Memory of 256 GB.
Camera comparison
Oppo K13 Pro has 50 MP + 8 MP + 2 MP Triple Rear Camera in comparison to Vivo S21's 50 MP + 50 MP Dual Rear Camera. Vivo S21 will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Oppo K13 Pro's 32 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
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Full Comparison
| Name | Oppo K13 Pro | Vivo S21 |
| General | ||
| Model | K13 Pro | S21 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | May 24, 2025 (Expected) | November 28, 2025 (Expected) |
| Design | ||
| Bezel less | No | Yes |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.78 inches, 1080 x 2412 pixels, 120 Hz | 6.78 inches, 1260 x 2800 pixels, 120 Hz |
| Aspect Ratio | 20.1:9 | 20:9 |
| PPI | ~ 390 PPI | ~ 453 PPI |
| Screen to Body Ratio | ~ 88.3% | ~ 90.2% |
| Features | HDR10+, 2000 nits (peak) | 5000 nits (peak) |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 12 GB | 8 GB |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, (Hybrid Slot) | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28A/n38/n40/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), 802.11a/b/g/n | Wi-Fi 7 |
| Bluetooth | Yes, v5.4 | Yes, v6.0, A2DP, LE, aptX HD |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go |
| IR Blaster | Yes | Yes |
| Extra | ||
| GPS | GPS, AGPS, BDS, GLONASS, GALILEO, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Gyro, proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes | Yes |
| IP Rating | IP65 | IP64 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 2 MP | 50 MP ƒ/1.9 (Wide Angle) 50 MP ƒ/2.2 (Ultra Wide) |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | HDR |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K, 1080p |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.4 (Wide Angle) Punch Hole | 50 MP ƒ/2 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 4K, 1080p |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | ColorOS 15 | OriginOS 6 |
| Chipset | Qualcomm Snapdragon 8 Gen3 | |
| CPU | 3.3 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 1xCortex-X4@3.3 GHz & 5xCortex-A720@3.2 GHz & 2x Cortex-A520@2.3 GHz | |
| GPU | Adreno GPU | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, APE, OGG, FLAC, WAV, MIDI, WMA | Yes |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6500 mAh, Li-Po Battery | 6700 mAh, SI/C |
| Fast Charging | Yes, 120W Super Flash Charging | Yes, 100W Fast Charging |
| Reverse Charging | Yes | Yes |