Vivo S21 vs Xiaomi Redmi 17 5G (8GB RAM + 128GB)
Here you can compare Vivo S21 and Xiaomi Redmi 17 5G (8GB RAM + 128GB). Comparing Vivo S21 vs Xiaomi Redmi 17 5G (8GB RAM + 128GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Vivo S21 stands against Xiaomi Redmi 17 5G (8GB RAM + 128GB) and which one should you buy The current lowest price found for Vivo S21 is ₹29,990 and for Xiaomi Redmi 17 5G (8GB RAM + 128GB) is ₹26,999. The details of both of these products were last updated on Nov 05, 2026.
| Specification | Vivo S21 | Xiaomi Redmi 17 5G (8GB RAM + 128GB) |
|---|---|---|
| Rear Camera | 50 MP ƒ/1.9 (Wide Angle) 50 MP ƒ/2.2 (Ultra Wide) | 50 MP ƒ/1.8 (Wide Angle) 5P lens, f/1.8 (Auxiliary lens) |
| Display | 6.78 inches, 1260 x 2800 pixels, 120 Hz | 6.9 inches, 720 x 1600 pixels, 120 Hz |
| Battery | 6700 mAh, SI/C | 7900 mAh, Si/C Li-Ion |
| RAM | 8 GB | 8 GB |
| OS | Android v15 | Android v16 |
| Price | ₹29,990 | ₹26,999 |
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Overview
| Specs Score | 64 / 100 Better Specs | 58 / 100 |
| Display Resolution | 1260 x 2800 pixels Better Resolution | 720 x 1600 pixels |
| Storage | 256 GB More Storage | 128 GB |
| CPU Clock Speed | 2.4 GHz Faster Clock Speed | |
| Front Camera | 50 MP Better Front Camera Resolution | 8 MP |
| Weight | 232 g Lighter | |
| Thickness | 8.8 mm Slimmer | |
| Battery | 6700 mAh | 7900 mAh Bigger Battery |
| Unique Features | No No Water Resistant No | 3.5mm Audio Jack FM Radio No Memory Card Support |
General
| Country of Origin | India | |
| Model | S21 | 17 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | November 28, 2026 (Expected) | September 03, 2026 |
| In The Box | Mobile Phone, 45W Adapter, USB Type-C Cable, SIM Eject Tool, Safety Information, Quick Start Guide and Warranty Card |
Design
| Dimensions | 78.42 x 170.12 x 8.8 mm | |
| Weight | 232 g | |
| Bezel less | Yes | |
| Colors | Absolute Black, Endless Blue, Eternal Orange |
Display
| Type | Color AMOLED Screen (1B Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.78 inches, 1260 x 2800 pixels, 120 Hz | 6.9 inches, 720 x 1600 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.6:9 |
| PPI | ~ 453 PPI | ~ 254 PPI |
| Screen to Body Ratio | ~ 90.2% | ~ 86.2% |
| Glass Type | Durable Corning Gorilla Glass 7i | |
| Brightness | Brightness: 825 nits HBM | |
| Features | 5000 nits (peak) | TÜV Rheinland Low Blue Light (Software Solution), TÜV Rheinland Circadian Friendly, TÜV Rheinland Flicker Free |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes |
Memory
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, (Hybrid Slot), upto 2 TB |
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 | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n5/n8/n28/n40/n78 |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | 2.4GHz | 5GHz |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX HD | Yes, v5.1, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go | USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
Extra
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | GPS, Glonass, Galileo, Beidou |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, proximity, Compass | Vertual Proximity Sensor, Ambient Light Sensor, Accelerometer, Electronic Compass |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | Yes |
| AI Features | Circle to Search, Gemini AI, AI Erase | |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | IP64 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dynamic RGB Light Ring on Back, Xiaomi HyperIsland |
Camera
| Rear Camera | 50 MP ƒ/1.9 (Wide Angle) 50 MP ƒ/2.2 (Ultra Wide) | 50 MP ƒ/1.8 (Wide Angle) 5P lens, f/1.8 (Auxiliary lens) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | HDR | Filmcamera, Hdr Mode, Night Mode, Auto Night Mode, Portrait Mode, Time-laps, Dual Camera Recording, Document Mode |
| Video Recording | 4K, 1080p | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 50 MP ƒ/2 (Wide Angle) Punch Hole | 8 MP ƒ/2.1 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 4K, 1080p | 1080p @ 30 fps FHD |
| Front Camera Features | HDR | Hdr Mode | Soft-light Ringportrait Mode | Time-lapse | Night Mode | Dual Camera Recording |
Technical
| OS | Android v15 | Android v16 |
| Custom UI | OriginOS 6 | Xiaomi HyperOS 3 |
| Chipset | Qualcomm Snapdragon 4 Gen5 | |
| CPU | Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | Cortex-A78+Cortex-A55 | |
| GPU | Adreno | |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | Yes |
| Audio Features | High Efficiency Video Coding (HEVC) | |
| Audio Jack Type | 3.5mm | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6700 mAh, SI/C | 7900 mAh, Si/C Li-Ion |
| Fast Charging | Yes, 100W Fast Charging | Yes, 45W |
| Reverse Charging | Yes | Yes, 22.5W reverse wired |
Discuss
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