vivo X21 UD vs vivo X21i
Side-by-side specs and price comparison for buyers in Algeria.
vivo X21 UD
Price coming soon
vivo X21i
Price coming soon
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
vivo X21i
Faster charging
Even
Higher-resolution camera
Even
Better display
Even
Lighter body
vivo X21 UD
Best value for money
Even
Full specs comparison
Display
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| Size (inches) | 6.28 | 6.28 |
| Panel Type | AMOLED | AMOLED |
| Resolution Height | 2280 | 2280 |
| Resolution Width | 1080 | 1080 |
| PPI | 402 | 402 |
| Glass Type | Corning Gorilla Glass 3 | — |
| Screen-to-body | 85.2 | 85 |
Platform
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| CPU | Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) | Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) |
| GPU | Adreno 512 | Mali-G72 MP3 |
| Chipset Name | Snapdragon 660 | Helio P60 |
| Process (nm) | 14 | 12 |
| OS Name | Android | Android |
| OS Version | 8.1 | 8.1 |
Memory
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| Card Slot | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
| Variants | 128GB 6GB RAM | 64GB 6GB RAM, 128GB 4GB RAM |
Main Camera
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| Video | 1080p@30fps | 1080p@30fps |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Count | 2 | 2 |
| Depth | 5 MP, f/2.4, (depth) | 5 MP, f/2.4, (depth) |
| Lens | 12 MP, f/1.8 | 12 MP, f/1.8 |
Selfie Camera
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| Video | 1080p@30fps | — |
| Count | 1 | 1 |
| Lens | 12 MP, f/2, (wide) | 24 MP, f/2, 26mm, (wide) |
Battery
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| Capacity (mAh) | 3200 | 3425 |
| Chemistry | Li-Ion | Li-Ion |
| Wired Charging (W) | 18 | 18 |
Body
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| Build | Glass front (Gorilla Glass 3), aluminum back, aluminum frame | — |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Height (mm) | 154.5 | 154.4 |
| Thickness (mm) | 7.4 | 7 |
| Weight (g) | 156.2 | 159 |
| Width (mm) | 74.8 | 75 |
Launch
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| Announced | 2018, March. Released 2018, March | 2018, May. Released 2018, May |
| Status | Discontinued | Discontinued |
Network
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 | GSM 850, 900, 1800, 1900 |
| 3G Bands | HSDPA 850, 900, 1900, 2100 | HSDPA 850, 900, 2100 |
| 4G Bands | 1, 2, 3, 5, 8, 34, 38, 39, 40, 41 | 1, 3, 4, 5, 8, 38, 39, 40, 41 |
| Speed | HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps | HSPA, LTE |
| Technology | GSM, CDMA, HSPA, LTE | GSM, CDMA, HSPA, LTE |
Connectivity
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| Bluetooth | 5 | 5 |
| NFC | No | No |
| Positioning | GPS, GLONASS | GPS, GLONASS |
| Radio | FM radio | FM radio |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
Sound
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
Features
| Spec | vivo X21 UD | vivo X21i |
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity, compass |
Buying advice for Algeria
Both vivo X21 UD and vivo X21i are sold in Algeria, but they fit different priorities.
vivo X21i packs a 3425 mAh battery, which translates to longer screen-on time when you are away from a charger.
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