vivo iQOO U1 vs vivo S1 (China)
Side-by-side specs and price comparison for buyers in Algeria.
vivo iQOO U1
Price coming soon
vivo S1 (China)
Price coming soon
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
vivo iQOO U1
Faster charging
Even
Higher-resolution camera
vivo iQOO U1
Better display
Even
Lighter body
vivo S1 (China)
Best value for money
Even
Full specs comparison
Display
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| Size (inches) | 6.53 | 6.53 |
| Panel Type | IPS LCD | IPS LCD |
| Resolution Height | 2340 | 2340 |
| Resolution Width | 1080 | 1080 |
| PPI | 395 | 395 |
| Screen-to-body | 84.3 | 85 |
Platform
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| CPU | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) | Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) |
| GPU | Adreno 618 | Mali-G72 MP3 |
| Chipset Name | Snapdragon 720G | Helio P70 |
| Process (nm) | 8 | 12 |
| OS Name | Android | Android |
| UI Skin | iQOO UI 1.0 | — |
| OS Version | 10 | 9.0 |
Memory
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| Card Slot | No | microSDXC |
| Variants | 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | 128GB 4GB RAM, 128GB 6GB RAM |
Main Camera
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| Video | 4K@30fps, 1080p@30fps; gyro-EIS | 1080p@30fps |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Count | 3 | 3 |
| Depth | 2 MP, f/2.4, (depth) | 5 MP, f/2.4, (depth) |
| Macro | 2 MP, f/2.4, (macro) | — |
| ultrawide | — | 12 MP, f/1.8, 13mm, (ultrawide) |
| Wide | 48 MP, f/1.8, 25mm, (wide) | 8 MP, f/2.2, (wide) |
Selfie Camera
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| Video | 1080p@30fps | 1080p@30fps |
| Features | HDR | HDR |
| Count | 1 | 1 |
| Lens | 8 MP, f/2.1, (wide) | 25 MP, f/2 |
Battery
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| Capacity (mAh) | 4500 | 3940 |
| Wired Charging (W) | 18 | 18 |
Body
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Height (mm) | 162.1 | 162 |
| Thickness (mm) | 8.5 | 8.5 |
| Weight (g) | 190 | 189.5 |
| Width (mm) | 76.6 | 76 |
Launch
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| Announced | 2020, July 16 | 2019, March. Released 2019, April |
| Status | Available. Released 2020, July 23 | Discontinued |
Network
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 | GSM 850, 900, 1800, 1900 |
| 3G Bands | HSDPA 850, 900, 2100 | HSDPA 850, 900, 2100 |
| 4G Bands | 1, 3, 5, 8, 34, 38, 39, 40, 41 | 1, 3, 5, 8, 34, 38, 39, 40, 41 |
| Speed | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE (2CA) Cat7 300/50 Mbps |
| Technology | GSM, CDMA, HSPA, LTE | GSM, CDMA, HSPA, LTE |
Connectivity
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| Bluetooth | 5.1 | 5 |
| NFC | No | No |
| Positioning | GPS, GLONASS, BDS, GALILEO | GPS, GLONASS, BDS |
| Radio | No | FM radio |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
Sound
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
Features
| Spec | vivo iQOO U1 | vivo S1 (China) |
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity, compass |
Buying advice for Algeria
Both vivo iQOO U1 and vivo S1 (China) are sold in Algeria, but they fit different priorities.
vivo iQOO U1 packs a 4500 mAh battery, which translates to longer screen-on time when you are away from a charger.
vivo iQOO U1 reaches a higher main-sensor resolution at 48 MP, which helps with crops and lower-light photos.
Other popular comparisons
Samsung Galaxy S26 Ultra vs Apple iPhone 17 Pro Max
Samsung compared to Apple
Samsung Galaxy S26 Ultra vs Google Pixel 10 Pro XL
Samsung compared to Google
Samsung Galaxy S26 Ultra vs Xiaomi 15 Ultra
Samsung compared to Xiaomi
Apple iPhone 17 Pro Max vs Xiaomi 15 Ultra
Apple compared to Xiaomi
Apple iPhone 17 Pro Max vs Google Pixel 10 Pro XL
Apple compared to Google
Samsung Galaxy S26+ vs Apple iPhone 17
Samsung compared to Apple