Vivo Y21 5G (8GB RAM + 128GB) vs Xiaomi Redmi Note 15 5G
Quick Comparison
Both Vivo Y21 5G (8GB RAM + 128GB) and Xiaomi Redmi Note 15 5G comes with same RAM. In terms of display resolution, Xiaomi Redmi Note 15 5G has better resolution of 2392 x 1080 than Vivo Y21 5G (8GB RAM + 128GB) which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Vivo Y21 5G (8GB RAM + 128GB) | Xiaomi Redmi Note 15 5G |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.74 in | 6.77 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6500 mAh | 5520 mAh |
| Camera | 50 MP + 0.08 MP Dual | 108 MP + 8 MP Dual |
| Price | Rs. 22991 | Rs. 25831 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is March 26, 2026. The cost of Vivo Y21 5G (8GB RAM + 128GB) is Rs. 22991. The launch Date of the second phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 5G is Rs. 25831.
Display comparison
Xiaomi Redmi Note 15 5G has larger screen size of 6.77 inches in comparison to Vivo Y21 5G (8GB RAM + 128GB)'s 6.74 inch screen. Vivo Y21 5G (8GB RAM + 128GB) has IPS Screen type where as Xiaomi Redmi Note 15 5G has AMOLED Screen type. Xiaomi's phone has display density of 388 PPI & Vivo's phone has only 260 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 89.7% than Vivo's phone ~ 85%. Vivo Y21 5G (8GB RAM + 128GB) has 20:9 aspect ratio where as Xiaomi Redmi Note 15 5G has 20.5:9 aspect ratio.
Memory comparison
Both phones come with 8 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Xiaomi Redmi Note 15 5G's 108 MP + 8 MP Dual Rear Camera outshines Vivo Y21 5G (8GB RAM + 128GB)'s 50 MP + 0.08 MP Dual Rear Camera in terms of resolution. Xiaomi Redmi Note 15 5G will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Vivo Y21 5G (8GB RAM + 128GB)'s 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 15 version.
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Full Comparison
| Name | Vivo Y21 5G (8GB RAM + 128GB) | Xiaomi Redmi Note 15 5G |
| General | ||
| Country of Origin | India | India |
| Model | Y21 5G | 25096RA9BG, 25098RA98G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | March 26, 2026 | December 18, 2025 |
| In The Box | REDMI Note 15 5G / USB Type-C Cable / SIM Eject Tool/ Protective Case / Quick Start Guide / Warranty Card | |
| Design | ||
| Dimensions | 77.1 x 167.4 x 8.4 mm | 75.4 x 164 x 7.35 mm |
| Weight | 209 g | 178 g |
| Colors | Champagne Gold, Midnight Blue | Black, Glacier Blue, Mist Purple |
| Display | ||
| Type | Color IPS Screen | Color AMOLED Screen (68B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.74 inches, 720 x 1600 pixels, 120 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 260 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 85% | ~ 89.7% |
| Glass Type | Scratch/drop-resistant glass, Mohs level 5 | |
| Brightness | 1200 nits Peak Brightness | 3200nits peak brightness, 800nits (typ) |
| Features | Contrast Ratio: 8,000,000:1, DCI- P3 wide Color Gamut, Sunlight Display, Reading Mode, 3840Hz PWM Dimming | 16,000-level Brightness Adjustment, TÜV Rheinland Low Blue Light, (Hardware Solution) Certified, TUV Rheinland Circadian Friendly Certified, TÜV Rheinland Flicker Free Certified | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 8 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 | 5G NSA:n1|n3|n40|n78 5G SA: n1|n3|n5|n8|n28|n40|n78 |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz / 5 GHz | |
| Bluetooth | Yes | Yes, v5.3, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| 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: L1 | GLONASS: G1 | BDS: B1I + B1C | Galileo: E1 |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | Yes |
| AI Features | AI Creation, AI Photo Enhance, AI Documents, AI Screen Translation, Circle to Search | Gemini Live, Circle to Search |
| Water Resistance | Yes | Yes, 1.7 m |
| IP Rating | IP65 | IP65 + IP66 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | |
| Video Recording | 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 (Wide Angle) | 20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v16 | Android v15 |
| Custom UI | OriginOS 6 | Xiaomi HyperOS 2 |
| Chipset | Mediatek Dimensity 6300 | Qualcomm Snapdragon 6 Gen3 |
| CPU | 2.4 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz |
| GPU | Mali-G57 MC2 | Adreno 710 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, AMR, FLAC, APE |
| Video | Yes | MP4, M4V, MKV, XVID |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Audio Features | Dual Ultra-Linear Speakers, Misound tuning and Dolby Atmos | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6500 mAh, Li-ion Battery | 5520 mAh |
| Fast Charging | Yes, 44W Fast Charging | Yes, 45W Fast Charging |
| Reverse Charging | Yes | Yes, 18W |