vivo X21 vs vivo S1 Pro Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| vivo X21 | vivo S1 Pro |
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Released
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May 29, 2018
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Released
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November 2019
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6.3-inch · 2280x1080px
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6.4-inch · 2340x1080px
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Dual camera
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Quad camera
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6GB · 128GB
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8GB · 128GB
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3200 mAh
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4500 mAh
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Design
| Dimensions | |
|---|---|
| 6.08 x 2.94 x 0.29 inches 154.45 x 74.78 x 7.37 mm |
6.27 x 2.96 x 0.34 inches 159.25 x 75.19 x 8.68 mm |
| Weight | |
| 5.51 oz / 156.2 g | 6.59 oz / 186.7 g |
| Materials | |
| Back: Aluminum Frame: Aluminum |
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| Biometrics | |
| 2D Face unlock, Optical in-screen fingerprint | Optical in-screen fingerprint |
| Keys | |
| Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
| Colors | |
| Black | Fancy sky, Knight black, Nebula blue |
Display
| Size | |
|---|---|
| 6.3-inch, 85.36% screen-to-body | 6.4-inch, 83.45% screen-to-body |
| Type | |
| Super AMOLED | Super AMOLED |
| Resolution | |
| 2280x1080px, 402 PPI | 2340x1080px, 19.5:9 ratio, 404 PPI |
Hardware
| System chip | |
|---|---|
| Snapdragon 660 SDM660 (14 nm) | Snapdragon 665 SM6125 (11 nm) |
| Processor | |
| Octa-core 2200 MHz Kryo 260 | Octa-core 2000 MHz Kryo 260 |
| GPU | |
| Adreno 512 | Adreno 610 |
| Memory | |
| 6GB (LPDDR4)/128GB | 8GB/128GB |
| Storage expansion | |
| microSDXC up to 256 GB | microSDXC up to 256 GB |
| OS | |
| Android (8.1 Oreo) | Android (9.0 Pie) |
Battery
| Type | |
|---|---|
| 3200 mAh, Li - Ion | 4500 mAh |
| Charging | |
| Fast charging | Fast charging |
Camera
| Rear | |
|---|---|
| Dual camera | Quad camera |
| Main camera | |
| 12 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.8" Pixel size: 1.28 μm |
48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm |
| Second camera | |
| 5 MP (Depth information) Aperture size: F2.4 |
8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/4" Pixel size: 1.12 μm |
| Third camera | |
| 2 MP (Macro) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.75 μm |
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| Fourth camera | |
| 2 MP (Depth information) Aperture size: F2.4 |
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| Flash | |
| LED | LED |
| Video recording | |
| 1080p (30 fps) Time-lapse video, Video calling, Video sharing |
1080p (30 fps) |
| Front | |
| 12 MP Video capture: 1080p | 32 MP (HDR) Video capture: 1080p |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 5.0 |
| WLAN | |
| a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac | a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac |
| USB | |
| microUSB, USB 2.0 | Type-C, USB 2.0 |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor |
| Location | |
| GPS, A-GPS, Glonass | GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning |
| Other | |
| VoIP, Tethering, Computer sync, OTA sync | |
Discover more
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Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | 3.5mm jack |
| Speakers | |
| Earpiece, Loudspeaker | Earpiece, Loudspeaker |
| Features | |
| Album art cover, Background playback | |
| Screen mirroring | |
| Wireless screen share | Wireless screen share |
| Radio | |
| FM | FM |
| Additional microphone(s) | |
| Noise cancellation | Noise cancellation |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 3, 5 | 1, 3, 5, 7, 8 |
| 4G (TDD) Bands | |
| 40, 41 | 38, 40, 41 |
| 3G Bands | |
| 5, 8, 1 | 5, 8, 1 |
| Data Speed | |
| LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
| Dual SIM | |
| Yes | Yes |
| SIM type | |
| Nano SIM | Nano SIM |
Regulatory Approval
| Measured SAR | |
|---|---|
| Head: 1.18 W/kg Body: 0.57 W/kg |
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