Asus Zenfone 4 Pro ZS551KL vs Vivo V21 Pro
Quick Comparison
Vivo V21 Pro has better RAM than Asus Zenfone 4 Pro ZS551KL. In terms of display resolution, Vivo V21 Pro has better resolution of 2400 x 1080 than Asus Zenfone 4 Pro ZS551KL which has resolution of 1920 x 1080. Vivo V21 Pro has more internal memory than Asus Zenfone 4 Pro ZS551KL
| Name | Asus Zenfone 4 Pro ZS551KL | Vivo V21 Pro |
| RAM | 6 GB | 8 GB |
|---|---|---|
| Display | 5.5 in | 6.44 in |
| Internal Memory | 64 GB | 128 GB |
| Battery | 3600 mAh | 4300 mAh |
| Camera | 12 MP | 64 MP Quad |
| Price | Rs. 40221 | Rs. 32999 |
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Detailed Comparison
Price And Launch
The cost of Asus Zenfone 4 Pro ZS551KL is Rs. 40221. The Expected cost of Vivo V21 Pro is Rs. 32999.
Display comparison
Asus Zenfone 4 Pro ZS551KL has screen size of 5.5 inches which falls short to Vivo V21 Pro's 6.44 inch screen. Asus Zenfone 4 Pro ZS551KL has Super AMOLED Screen type where as Vivo V21 Pro has AMOLED Screen type. Vivo's phone has display density of 409 PPI & Asus's phone has only 401 PPI display density. Asus Zenfone 4 Pro ZS551KL has 16:9 aspect ratio where as Vivo V21 Pro has 20:9 aspect ratio.
Memory comparison
Vivo V21 Pro's larger 8 GB RAM is better for playing games and all with respect to Asus Zenfone 4 Pro ZS551KL's lower 6 GB RAM. Vivo V21 Pro has more Internal Memory (128 GB) than Asus Zenfone 4 Pro ZS551KL (64 GB).
Camera comparison
Vivo V21 Pro's 64 MP Quad Rear Camera outshines Asus Zenfone 4 Pro ZS551KL's 12 MP Rear Camera in terms of resolution. Vivo V21 Pro will be better choice if you're looking to click lot of selfies as it has better 44 MP + 8 MP Dual Front Camera in comparison to Asus Zenfone 4 Pro ZS551KL's 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 7.1.1 and the second one on 11 version.
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Full Comparison
| Name | Asus Zenfone 4 Pro ZS551KL | Vivo V21 Pro |
| General | ||
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Design | ||
| Dimensions | 156.9 x 75.59 x 7.6 mm | 74.2 x 158.82 x 7.4 mm |
| Weight | 175 g | 170 g |
| Display | ||
| Type | Color Super AMOLED Screen (16M colors Colors) | Color AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 5.5 inches, 1080 x 1920 pixels | 6.44 inches, 1080 x 2400 pixels |
| Aspect Ratio | 16:9 | 20:9 |
| PPI | ~ 401 PPI | ~ 409 PPI |
| Screen to Body Ratio | ~ 85% | |
| Features | Corning Gorilla Glass 4 Screen Protection | HDR10 |
| Notch | Yes, Small Notch | |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage | 64 GB | 128 GB |
| 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, v5.0, A2DP, LE |
| USB | Yes | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | |
| Extra | ||
| GPS | Yes, with A-GPS Support | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes | Yes, In Display |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Gyroscope, Compass | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| Camera | ||
| Rear Camera | 12 MP with autofocus | 64 MP f/1.9 (Wide Angle) 13 MP f/2.2 (Ultra Wide) 8 MP f/2.4 (Depth Sensor) 5 MP with autofocus |
| Features | Face detection, Geo tagging, Panorama, Touch to focus | Object Autofocus, Super Night Mode, Super Wide Angle Night Mode, Tripod Night Mode, Ultra Stable Video, Art portrait video, Super Macro, Bokeh Portrait, Multi-Style Portrait, AR Stickers, 3D Sound Tracking. |
| Video Recording | 4K @ 30 fps UHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, Dual LED |
| Front Camera | 8 MP | 44 MP f/2 (Wide Angle) 8 MP f/2.3 (Ultra Wide) |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v7.1.1 (Nougat), upgradable to v8 (Oreo) | Android v11 |
| Chipset | Qualcomm Snapdragon 835 | Qualcomm Snapdragon 765G |
| CPU | 2.35 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver | |
| GPU | Adreno 540 | Adreno 620 |
| Java | Yes, via 3rd party | No |
| Browser | Yes, supports HTML | Yes, supports HTML5 |
| Multimedia | ||
| Supports | MMS, Instant Messaging | |
| Yes, with Push Email | Yes | |
| Music | MP3, WAV, eAAC+ | Yes |
| Video | MP4, H.264 | Yes |
| FM Radio | Yes | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 3600 mAh, Li-ion Battery | 4300 mAh |
| Fast Charging | Yes, 33W Fast Charging | |