vivo X21 UD specs, comparisons, faq, opinions
vivo X21 UD overview
vivo X21 UD is a smartphone that runs on Android. It was released on 2018, March. vivo X21 UD has 6.28 inch, Super AMOLED, a resolution of 1080 x 2280 pixels screen with Corning Gorilla Glass 3. vivo X21 UD uses Qualcomm SDM660 Snapdragon 660 (14 nm) chipset, Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) CPU, Adreno 512 GPU. vivo X21 UD supports 2G, 3G, 4G networks with Hybrid Dual SIM (Nano-SIM, dual stand-by). It has 12MP Dual main camera, 12MP Single selfie camera. vivo X21 UD uses Li-Ion 3200 mAh, non-removable battery. The price of vivo X21 UD is about 616 USD.
Score the key features of vivo X21 UD compared to the other phones on the market:
- CPU Cores: 95 / 100 points
- Camera pixels: 44 / 100 points
- Screen resolution: 78 / 100 points
- Battery capacity: 77 / 100 points
- Price: 65 / 100 points
vivo X21 UD full specifications
NETWORK |
|
|---|---|
| Technology | GSM / CDMA / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands | 1, 2, 3, 5, 8, 34, 38, 39, 40, 41 |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
LAUNCH |
|
| Announced | 2018, March |
| Status | Available |
BODY |
|
| Dimensions | 154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in) |
| Weight | 156.2 g (5.50 oz) |
| Build | Glass front (Gorilla Glass 3), aluminum back, aluminum frame |
| SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
DISPLAY |
|
| Type | Super AMOLED |
| Size | 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio) |
| Resolution | 1080 x 2280 pixels, 19:9 ratio (~402 ppi density) |
| Protection | Corning Gorilla Glass 3 |
PLATFORM |
|
| OS | Android 8.1 (Oreo), Funtouch 4 |
| Chipset | Qualcomm SDM660 Snapdragon 660 (14 nm) |
| CPU | Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| GPU | Adreno 512 |
MEMORY |
|
| Card slot | microSDXC (uses shared SIM slot) |
| Internal | 128GB 6GB RAM |
| eMMC 5.1 | |
MAIN CAMERA |
|
| Dual | 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 5 MP, f/2.4, (depth) |
| Features | LED flash, HDR, panorama |
| Video | 1080p@30fps |
SELFIE CAMERA |
|
| Single | 12 MP, f/2.0, (wide), 1/2.8", 1.28µm |
| Video | 1080p@30fps |
SOUND |
|
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| 32-bit/192kHz audio | |
COMMUNICATIONS |
|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.0, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS |
| NFC | No |
| Radio | FM radio |
| USB | microUSB 2.0, USB On-The-Go |
FEATURES |
|
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, compass |
BATTERY |
|
| Type | Li-Ion 3200 mAh, non-removable |
| Charging | Fast charging 18W |
MISCELLANEOUS |
|
| Colors | Black, Ruby Red |
| Models | X21UD A |
| Price | About 616 USD |
Photos and videos of vivo X21 UD
Frequently asked questions:
-
How much does vivo X21 UD cost?
The reference price of the vivo X21 UD is about 616 USD (in 2018). This price may vary slightly depending on the market and region.
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Where can I buy a vivo X21 UD phone?
The vivo X21 UD phone was manufactured in 2018 and you can hardly buy it now.
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Does vivo X21 UD support 5G?
No, it does not support 5G.
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Does vivo X21 UD support NFC (Near-Field Communication)?
No, it does not support NFC.
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What are the dimensions of the vivo X21 UD, what are the sizes?
The size of the vivo X21 UD is 74.8 x 154.5 x 7.4 mm (width x height x thickness).
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What is the weight of vivo X21 UD?
The weight of the vivo X21 UD is 156.2g.
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What type of screen does vivo X21 UD use?
The screen of vivo X21 UD is Super AMOLED.
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What is the screen size of vivo X21 UD? What is its screen ratio?
The screen size of vivo X21 UD is 6.3 inches. The screen ratio is 85.2% (the higher the screen ratio, the less excess space).
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What is the screen resolution of vivo X21 UD? What is PPI (Pixels Per Inch)?
The screen resolution of the vivo X21 UD is 1080 x 2280 pixels, 402 PPI.
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What operating system does vivo X21 UD use?
vivo X21 UD uses Android 8.1 (Oreo), Funtouch 4 operating system.
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What CPU does vivo X21 UD use? Which chipset?
vivo X21 UD uses Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) CPU, Qualcomm SDM660 Snapdragon 660 (14 nm) chipset, Adreno 512 GPU.
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What is the battery capacity of the vivo X21 UD? What type of battery does vivo X21 UD use?
The battery capacity of vivo X21 UD is 3200 mAh. vivo X21 UD uses a Li-Ion battery.
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Does vivo X21 UD support wireless charging?
No, it does not support wireless charging.
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Does vivo X21 UD have fast charging?
Yes, it supports fast charging.
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How many MP (megapixels) is the main camera of vivo X21 UD?
The main camera of vivo X21 UD is 12.0 MP.
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What type of SIM card does vivo X21 UD use?
vivo X21 UD uses Hybrid Dual SIM (Nano-SIM, dual stand-by).
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Is vivo X21 UD waterproof?
No, it's not waterproof.
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Which country's vivo X21 UD phone?
X21 UD is a phone of vivo, a brand from China.
