Vivo Y21 5G vs Xiaomi Redmi 15A 5G (4GB RAM + 128GB)
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Overview
| Specs Score | 58 / 100 | 58 / 100 |
| CPU Clock Speed | 2.4 GHz Faster Clock Speed | 2.2 GHz |
| Rear Camera | 50 MP + 0.08 MP Dual Better Camera Resolution | 32 MP |
| Front Camera | 5 MP | 8 MP Better Front Camera Resolution |
| Unique Features | 3.5mm Audio Jack No Water Resistant NFC | No FM Radio No No |
General
| Country of Origin | India | |
| Model | Y21 5G | 15A 5G |
| 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 |
| OS Updates | 4 years | |
| Security Updates | 6 years | |
| Release Date | March 26, 2026 | March 27, 2026 |
| In The Box | Mobile Phone, Adapter, USB Type-C cable, SIM Eject Tool, Quick Start Guide & Warranty Card |
Design
| Dimensions | 77.1 x 167.4 x 8.4 mm | 79.47 x 171.56 x 8.15 mm |
| Weight | 209 g | 210 g |
| Colors | Champagne Gold, Midnight Blue | Awesome Blue, Amaze Purple, Ace Black |
Display
| Type | Color IPS Screen | Color IPS Screen (1.07Mn Colours) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.74 inches, 720 x 1600 pixels, 120 Hz | 6.9 inches, 720 x 1600 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.6:9 |
| PPI | ~ 260 PPI | ~ 254 PPI |
| Screen to Body Ratio | ~ 85% | ~ 83% |
| Brightness | 1200 nits Peak Brightness | 800nit Peak Brightness |
| Features | TÜV flicker-free certification, TÜV Circadian Friendly. TÜV low blue light | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
Memory
| RAM | 4 GB | 4 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | eMMC 5.1 | UFS 2.2 |
| Card Slot | Yes | Yes, (Hybrid Slot), upto 1 TB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n38/n40/n77/n78 | SA/NSA: n1/3/5/8/28/40/41/78 |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz / 5 GHz | 802.11a/b/g/n/ac |
| Bluetooth | Yes | Yes, v5.4 |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
Extra
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | GPS/AGPS, Glonass,Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer |
| 3.5mm Headphone Jack | Yes | |
| NFC | Yes | |
| AI Features | AI Creation, AI Photo Enhance, AI Documents, AI Screen Translation, Circle to Search | Google Gemini | Circle To Search | Xiaomi Interconnectivity |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP65 | IP52 |
| Dust Resistant | Yes | Yes |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP | 32 MP ƒ/2 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | AI Sky, AI Erase, Classic Film Filters | |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 (Wide Angle) | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD |
Technical
| OS | Android v16 | Android v16 |
| Custom UI | OriginOS 6 | HyperOS 3.0 |
| Chipset | Mediatek Dimensity 6300 | Unisoc T8300 |
| CPU | 2.4 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 2*A78 2.2Ghz + 6*A55 2.0GHz |
| GPU | Mali-G57 MC2 | G57 950MHz |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | Yes |
| Speaker Type | Dual Stereo | |
| Audio Features | Bottom Firing Speaker with 200% Volume Boost | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6500 mAh, Li-ion Battery | 6300 mAh |
| Fast Charging | Yes, 44W Fast Charging | Yes, 33W |
| Reverse Charging | Yes | Yes, 15W |
| Reverse Wireless Charging | Yes, 7.5 |
Discuss
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