OnePlus Nord 3 5G has better RAM than Vivo Y21 2021. In terms of display resolution, OnePlus Nord 3 5G has better resolution of 2772 x 1240 than Vivo Y21 2021 which has resolution of 1600 x 720. OnePlus Nord 3 5G has more internal memory than Vivo Y21 2021
| Name | Vivo Y21 2021 | OnePlus Nord 3 5G | 
| RAM | 4 GB | 8 GB | 
|---|---|---|
| Display | 6.51 in | 6.74 in | 
| Internal Memory | 64 GB | 128 GB | 
| Battery | 5000 mAh | 5000 mAh | 
| Camera | 13 MP + 2 MP Dual | 50 MP + 8 MP + 2 MP Triple | 
| Price | Rs. 10999 | Rs. 26999 | 
The launch Date of the first phone is August 20, 2021 . The cost of Vivo Y21 2021 is Rs. 10999. The launch Date of the second phone is July 05, 2023. The cost of OnePlus Nord 3 5G is Rs. 26999.
Vivo Y21 2021 has screen size of 6.51 inches which falls short to OnePlus Nord 3 5G's 6.74 inch screen. Vivo Y21 2021 has IPS LCD Screen type where as OnePlus Nord 3 5G has AMOLED Screen type. OnePlus's phone has display density of 450 PPI & Vivo's phone has only 262 PPI display density. In terms of screen to body ratio, OnePlus's phone has better screen to body ratio of ~ 93.5% than Vivo's phone ~ 89%. Vivo Y21 2021 has 20:9 aspect ratio where as OnePlus Nord 3 5G has 20.1:9 aspect ratio.
OnePlus Nord 3 5G's larger 8 GB RAM is better for playing games and all with respect to Vivo Y21 2021's lower 4 GB RAM. OnePlus Nord 3 5G has more Internal Memory (128 GB) than Vivo Y21 2021 (64 GB).
OnePlus Nord 3 5G's 50 MP + 8 MP + 2 MP Triple Rear Camera outshines Vivo Y21 2021's 13 MP + 2 MP Dual Rear Camera in terms of resolution. OnePlus Nord 3 5G will be better choice if you're looking to click lot of selfies as it has better 16 MP Front Camera in comparison to Vivo Y21 2021's 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 13 version.
| Name | Vivo Y21 2021 | OnePlus Nord 3 5G | 
| General | ||
| Model | Y21 2021 | Nord 3 | 
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano SIM | 
| Device Type | Smartphone | Smartphone | 
| Release Date | August 20, 2021 | July 05, 2023 | 
| Design | ||
| Dimensions | 76 x 164 x 8 mm | 75.1 x 162.6 x 8.1 mm | 
| Weight | 182 g | 193.5 g | 
| Colors | Tempest Gray, Misty Green | |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color AMOLED Screen (1B Colors) | 
| Touch | Yes | Yes | 
| Size | 6.51 inches, 720 x 1600 pixels | 6.74 inches, 1240 x 2772 pixels, 120 Hz | 
| Aspect Ratio | 20:9 | 20.1:9 | 
| PPI | ~ 262 PPI | ~ 450 PPI | 
| Screen to Body Ratio | ~ 89% | ~ 93.5% | 
| Glass Type | Dragontrail Glass | |
| Features | 1450nit Peak Brightness, eye protection mode, screen color mode, sRGB, Display P3, 10-bit Color Depth, HDR10+, Touch Response Rate: Up to 1000 Hz | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole | 
| Memory | ||
| RAM | 4 GB | 8 GB | 
| Expandable RAM | Upto 1 GB Extra Virtual RAM | |
| Storage | 64 GB | 128 GB | 
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, upto 1 TB | |
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n8/n28A(703~733MHz)/n40/n41/n78, NSA: n1/n3/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 (802.11 a/b/g/n/ac/ax), Dual Band | |
| Bluetooth | Yes, v5.0 | 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 on-the-go, USB Charging | 
| IR Blaster | Yes | |
| Extra | ||
| GPS | yes with A-GPS | Yes, with dual-band A-GPS, GLONASS, GALILEO, BDS | 
| Fingerprint Sensor | Yes, Side | Yes, In Display | 
| Face Unlock | Yes | Yes | 
| Sensors | Light sensor, Proximity sensor, Accelerometer | accelerometer, gyro, proximity, compass | 
| 3.5mm Headphone Jack | Yes | No | 
| NFC | Yes | |
| Water Resistance | Yes | |
| IP Rating | IP54 | |
| Dust Resistant | Yes | |
| Extra Features | Support Dolby Atmos, Stereo dual speakers | |
| Camera | ||
| Rear Camera | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Depth Sensor)  | 50 MP (Wide Angle) 1/1.56", 1.0µm, PDAF, OIS 8 MP (Ultra Wide) 112˚ 2 MP ƒ/2.4 (Macro)  | 
| Camera Sensor | IMX890 | |
| OIS | Yes | |
| Auto Focus | Yes | Yes | 
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | AI Scene Enhancement, AI Hightlight Video, Movie Mode, Ultra Steady Mode, Dual-view Video, HDR, Nightscape, Portrait Mode, Video Portrait, Pano, Macro, Slo-mo, Time-lapse, Text-scanner, Retouching, Filters, 0.6x - 20x Zoom | 
| Video Recording | 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 
| Flash | Yes, LED | Yes, Dual LED | 
| Front Camera | 8 MP ƒ/2 (Main) Screen Flash  | 16 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash  | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD | 
| Technical | ||
| OS | Android v11 | Android v13 | 
| Custom UI | OxygenOS 13.1 | |
| Chipset | Mediatek Helio P35 | Mediatek Dimensity 9000 | 
| CPU | 2.3 GHz, Octa Core Processor | 3.05 GHz, Octa Core Processor | 
| Core Details | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 | 1x Arm Cortex-X2 at 3.05GHz & 3x Arm Cortex-A710 up to 2.85GHz & 4x Arm Cortex-A510 up to 1.8GHz | 
| GPU | PowerVR GE8320 | Mali-G710 MC10 | 
| Java | No | No | 
| Browser | Yes, supports HTML5 | Yes | 
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, AAC, APE, AMR, WAV, MID, OGG, FLAC, WMA | 
| Video | Yes | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | 
| FM Radio | Yes | No | 
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 5000 mAh, Li-Po Battery | 5000 mAh, Li-ion Battery | 
| Fast Charging | Yes, 18W Fast Charging | Yes, 80W Supervooc Fast Charging |