Vivo S21 vs Xiaomi Redmi Turbo 4
Quick Comparison
Xiaomi Redmi Turbo 4 has better RAM than Vivo S21. In terms of display resolution, Vivo S21 has better resolution of 2800 x 1260 than Xiaomi Redmi Turbo 4 which has resolution of 2712 x 1220. Both have the same amount of internal memory.
| Name | Vivo S21 | Xiaomi Redmi Turbo 4 |
| RAM | 8 GB | 12 GB |
|---|---|---|
| Display | 6.78 in | 6.67 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 6700 mAh | 6550 mAh |
| Camera | 50 MP + 50 MP Dual | 50 MP + 8 MP Dual |
| Price | Rs. 29990 (Out of Stock) | Rs. 23990 (Upcoming) |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is expected to be November 28, 2025 (Expected). The cost of Vivo S21 is Rs. 29990. The launch Date of the second phone is January 02, 2025. The Expected cost of Xiaomi Redmi Turbo 4 is Rs. 23990.
Display comparison
Vivo S21 has larger screen size of 6.78 inches in comparison to Xiaomi Redmi Turbo 4's 6.67 inch screen. There is AMOLED Screen Type in both the phones. Vivo's phone has display density of 453 PPI & Xiaomi's phone has only 446 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 90.2% than Xiaomi's phone ~ 88.7%. Vivo S21 has 20:9 aspect ratio where as Xiaomi Redmi Turbo 4 has 20.1:9 aspect ratio.
Memory comparison
Xiaomi Redmi Turbo 4'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
Vivo S21 has 50 MP + 50 MP Dual Rear Camera in comparison to Xiaomi Redmi Turbo 4's 50 MP + 8 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 Xiaomi Redmi Turbo 4's 20 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
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Full Comparison
| Name | Vivo S21 | Xiaomi Redmi Turbo 4 |
| General | ||
| Model | S21 | Turbo 4 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | November 28, 2025 (Expected) | January 02, 2025 |
| Design | ||
| Dimensions | 75.2 x 161 x 8.1 mm | |
| Weight | 203.5 g | |
| Bezel less | Yes | No |
| Colors | Black, White, Blue | |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.78 inches, 1260 x 2800 pixels, 120 Hz | 6.67 inches, 1220 x 2712 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.1:9 |
| PPI | ~ 453 PPI | ~ 446 PPI |
| Screen to Body Ratio | ~ 90.2% | ~ 88.7% |
| Features | 5000 nits (peak) | Dolby Vision, HDR10+, HDR Vivid, 1400 nits (HBM), 3200 nits (peak) |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 8 GB | 12 GB |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 4.0 | |
| Card Slot | No | 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 7 | Wi-Fi 6 |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX HD | Yes, v6.0, A2DP, LE, aptX, LHDC 5 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go | USB on-the-go |
| IR Blaster | Yes | Yes |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| 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, 2 m upto 30 min |
| IP Rating | IP64 | IP68 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.9 (Wide Angle) 50 MP ƒ/2.2 (Ultra Wide) | 50 MP ƒ/1.5 (Wide Angle) 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS 8 MP ƒ/2.2 (Ultra Wide) 15mm (ultrawide), 1/4.0", 1.12µm |
| Auto Focus | Yes | Yes |
| Features | HDR | HDR, panorama |
| Video Recording | 4K, 1080p | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 50 MP ƒ/2 (Wide Angle) Punch Hole | 20 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 4K, 1080p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | OriginOS 6 | HyperOS 2 |
| Chipset | Mediatek Dimensity 8400 Ultra | |
| CPU | Octa Core Processor | 3.25 GHz, Octa Core Processor |
| Core Details | 1x3.25 GHz Cortex-A725 & 3x3.0 GHz Cortex-A725 & 4x2.1 GHz Cortex-A725 | |
| GPU | Immortalis-G720 MC7 | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6700 mAh, SI/C | 6550 mAh, Si/C |
| Fast Charging | Yes, 100W Fast Charging | Yes, 90W Fast charging |
| Reverse Charging | Yes | |