Vivo Y21 5G (8GB RAM + 128GB) vs Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB)
Quick Comparison
Both Vivo Y21 5G (8GB RAM + 128GB) and Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) comes with same RAM. In terms of display resolution, Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) has better resolution of 1080 x 2392 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 SE 5G (8GB RAM + 128GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.74 in | 6.77 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6500 mAh | 5800 mAh |
| Camera | 50 MP + 0.08 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 22999 | Rs. 21999 |
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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. 22999. The launch Date of the second phone is April 02, 2026. The cost of Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) is Rs. 21999.
Display comparison
Vivo Y21 5G (8GB RAM + 128GB) has screen size of 6.74 inches which falls short to Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB)'s 6.77 inch screen. Vivo Y21 5G (8GB RAM + 128GB) has IPS Screen type where as Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) 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 SE 5G (8GB RAM + 128GB) 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
They both have the same 50 MP + 0.08 MP Dual Rear Camera. Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) 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 SE 5G (8GB RAM + 128GB) |
| General | ||
| Country of Origin | India | India |
| Model | Y21 5G | MZB0NT3IN, Note 15 SE 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 | April 02, 2026 |
| In The Box | REDMI Note 15 SE 5G / Adapter / 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 | 75.42 x 164 x 7.82 mm |
| Weight | 209 g | 182 g |
| Colors | Champagne Gold, Midnight Blue | Crimson Reserve, Frosted White, Carbon Black |
| 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, 2392 x 1080 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, 16000-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 |
| Curved Display | Yes | |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable 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 | Wi-Fi Protocol: 802.11a/b/g/n/ac Supports 2.4GHz Wi-Fi | 5GHz Wi-Fi Supports Wi-Fi Direct |
| Bluetooth | Yes | Yes, v5.1, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB Tethering, 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 | |
| NFC | Yes | |
| AI Features | AI Creation, AI Photo Enhance, AI Documents, AI Screen Translation, Circle to Search | AI Erase, AI Bokeh, AI Sky, AI Bokeh, Gemini. Circle to Search |
| Water Resistance | Yes | |
| IP Rating | IP65 | IP65 + IP66 |
| Dust Resistant | Yes | Yes |
| Extra Features | IP65/IP66 Water & Dust Resistant, TÜV Rheinland Low Blue Light Certification (Hardware Solution), TÜV Rheinland Circadian Friendly Certification, TÜV Rheinland Flicker Free Certification | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP | 50 MP ƒ/1.8 (Wide Angle) 1/2.88", 1.22μm 4in1 Super Pixel5P lens, f/1.8 2 MP (Depth Sensor) |
| Camera Sensor | Light Fusion 400 | |
| Auto Focus | Yes | Yes |
| Features | HDR, Potriat, Ultra HD, Timer, Watermark, Night Mode, Time Lapse | |
| Video Recording | 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 (Wide Angle) | 20 MP ƒ/2.2 1/4" Sensor Size, 4P lens Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | |
| Technical | ||
| OS | Android v16 | Android v15 |
| Custom UI | OriginOS 6 | Xiaomi HyperOS 2 |
| Chipset | Mediatek Dimensity 6300 | Snapdragon 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 GPU |
| 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 | Dolby Atmos | Hi-Res | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6500 mAh, Li-ion Battery | 5800 mAh |
| Fast Charging | Yes, 44W Fast Charging | Yes, 45W Turbo Charging |
| Reverse Charging | Yes | Yes, 18W |