Vivo X21 UD vs OnePlus 9
Quick Comparison
OnePlus 9 has better RAM than Vivo X21 UD. In terms of display resolution, OnePlus 9 has better resolution of 2400 x 1080 than Vivo X21 UD which has resolution of 2280 x 1080. Both have the same amount of internal memory.
| Name | Vivo X21 UD | OnePlus 9 |
| RAM | 6 GB | 8 GB |
|---|---|---|
| Display | 6.28 in | 6.55 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 3200 mAh | 4500 mAh |
| Camera | 12 MP + 5 MP Dual | 50 MP + 48 MP + 2 MP Triple |
| Price | Rs. 29990 | Rs. 39990 |
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Detailed Comparison
Price And Launch
The cost of Vivo X21 UD is Rs. 29990. The launch Date of the second phone is March 23, 2021 . The cost of OnePlus 9 is Rs. 39990.
Display comparison
Vivo X21 UD has screen size of 6.28 inches which falls short to OnePlus 9's 6.55 inch screen. Vivo X21 UD has Super AMOLED Screen type where as OnePlus 9 has Screen type. Vivo's phone has display density of 402 PPI & OnePlus's phone has only 396 PPI display density. Vivo X21 UD has 19:9 aspect ratio where as OnePlus 9 has 20:9 aspect ratio.
Memory comparison
OnePlus 9's larger 8 GB RAM is better for playing games and all with respect to Vivo X21 UD's lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
OnePlus 9's 50 MP + 48 MP + 2 MP Triple Rear Camera outshines Vivo X21 UD's 12 MP + 5 MP Dual Rear Camera in terms of resolution. OnePlus 9 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 X21 UD's 12 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 8.1 and the second one on 11 version.
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Full Comparison
| Name | Vivo X21 UD | OnePlus 9 |
| General | ||
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | March 23, 2021 | |
| Design | ||
| Dimensions | 74.8 x 154.5 x 7.4 mm | 73.9 x 160 x 8.1 mm |
| Weight | 156 g | 183 g |
| Display | ||
| Type | Color Super AMOLED Screen (16M colors Colors) | Color Fluid AMOLED (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.28 inches, 1080 x 2280 pixels | 6.55 inches, 1080 x 2400 pixels, 120 Hz |
| Aspect Ratio | 19:9 | 20:9 |
| PPI | ~ 402 PPI | ~ 396 PPI |
| Screen to Body Ratio | ~ 89.7% | |
| Glass Type | Corning Gorilla Glass 6 | |
| Features | Reading Mode, Night Mode, Vibrant Color Effect, HDR | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, (Hybrid Slot) | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes | Yes, v5.2, A2DP, LE, aptX HD, LDAC, AAC |
| USB | Yes, microUSB | Yes, USB-C v3.1 |
| USB Features | USB on-the-go | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS Support | yes with A-GPS |
| Fingerprint Sensor | Yes | Yes, In Display |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Compass | Accelerometer, Electronic Compass, Gyroscope, Ambient Light Sensor, Proximity Sensor, Sensor Core, Flick-detect Sensor |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| Camera | ||
| Rear Camera | 12 MP + 5 MP with autofocus | 48 MP f/1.8 (Main) 50 MP f/2.2 (Ultra Wide) 2 MP (Monochrome) with autofocus |
| Features | Face detection, Geo tagging, Panorama, Touch to focus | Co-Developed by Hasselblad, Nightscape, Super Macro, UltraShot HDR, Smart Scene Recognition, Portrait mode, Pro mode, Panorama |
| Video Recording | 1080p @ 30 fps FHD | 8K @ 30 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD |
| Flash | Yes, Dual LED | Yes, Dual LED |
| Front Camera | 12 MP | Punch Hole 16 MP f/2.4 with Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v8.1 (Oreo) | Android v11, upgradable to v12 |
| Chipset | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 888 |
| CPU | 2.2 GHz, Octa Core Processor | 2.84 GHz, Octa Core Processor |
| Core Details | Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 | |
| GPU | Adreno 512 | Adreno 660 |
| Java | Yes, via 3rd party | No |
| Browser | Yes, supports HTML | Yes, supports HTML5 |
| Multimedia | ||
| Supports | MMS | |
| Yes, with Push Email | Yes | |
| Music | MP3, WAV, eAAC+, FLAC | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4 |
| Video | MP4, H.264 | MKV, MOV, MP4, H.265(HEVC), AVI, WMV, TS, 3GP, FLV, WEBM |
| FM Radio | Yes | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 3200 mAh, Li-ion Battery | 4500 mAh, Li-Po Battery |
| Fast Charging | Yes, Warp Charge 65T | |