Xiaomi Redmi Turbo 4 vs Vivo S21
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Overview
| Specs Score | 71 / 100 Better Specs | 68 / 100 |
| Display Resolution | 1220 x 2712 pixels | 1260 x 2800 pixels Better Resolution |
| RAM | 12 GB More RAM | 8 GB |
| CPU Clock Speed | 3.25 GHz Faster Clock Speed | |
| Front Camera | 20 MP | 50 MP Better Front Camera Resolution |
| Weight | 203.5 g Lighter | |
| Thickness | 8.1 mm Slimmer | |
| Unique Features | No | Reverse Charging |
General
| Model | Turbo 4 | S21 |
| 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 | January 02, 2025 | November 28, 2026 (Expected) |
Design
| Dimensions | 75.2 x 161 x 8.1 mm | |
| Weight | 203.5 g | |
| Bezel less | No | Yes |
| Colors | Black, White, Blue |
Display
| Type | Color AMOLED Screen (1B Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.67 inches, 1220 x 2712 pixels, 120 Hz | 6.78 inches, 1260 x 2800 pixels, 120 Hz |
| Aspect Ratio | 20.1:9 | 20:9 |
| PPI | ~ 446 PPI | ~ 453 PPI |
| Screen to Body Ratio | ~ 88.7% | ~ 90.2% |
| HDR Support | Yes, HDR10+, Dolby Vision | |
| Features | Dolby Vision, HDR10+, HDR Vivid, 1400 nits (HBM), 3200 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 4 |
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 | Wi-Fi 7 |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX, LHDC 5 | Yes, v6.0, A2DP, LE, aptX HD |
| 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 | 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, 2 m upto 30 min | Yes |
| IP Rating | IP68 | IP64 |
| Dust Resistant | Yes | Yes |
Camera
| Rear Camera | 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 | 50 MP ƒ/1.9 (Wide Angle) 50 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | HDR, panorama | HDR |
| Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 20 MP ƒ/2.2 (Wide Angle) Punch Hole | 50 MP ƒ/2 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 4K, 1080p |
| Front Camera Features | HDR | HDR |
Technical
| OS | Android v15 | Android v15 |
| Custom UI | HyperOS 2 | OriginOS 6 |
| Chipset | Mediatek Dimensity 8400 Ultra | |
| CPU | 3.25 GHz, Octa Core Processor | 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 | 6550 mAh, Si/C | 6700 mAh, SI/C |
| Fast Charging | Yes, 90W Fast charging | Yes, 100W Fast Charging |
| Reverse Charging | Yes |
Discuss
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