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Infinix Note 3 vs Infinix Smart HD 2021
Side-by-side specs and price comparison for buyers in Algeria.

Infinix Note 3
Price coming soon

Infinix Smart HD 2021
Price coming soon
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
Infinix Smart HD 2021
Faster charging
Even
Higher-resolution camera
Infinix Note 3
Better display
Infinix Note 3
Lighter body
Infinix Smart HD 2021
Best value for money
Even
Full specs comparison
Display
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| Size (inches) | 6 | 6.1 |
| Panel Type | IPS LCD | IPS LCD |
| Resolution Height | 1920 | 1560 |
| Resolution Width | 1080 | 720 |
| Peak Brightness | — | 500 |
| PPI | 367 | 282 |
| Screen-to-body | 73.8 | 76.7 |
Platform
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| CPU | Octa-core 1.3 GHz Cortex-A53 | Quad-core 1.8 GHz Cortex-A53 |
| GPU | Mali-T720MP3 | PowerVR GE8320 |
| Chipset Name | Mediatek MT6753 | Helio A20 |
| Process (nm) | 28 | 12 |
| OS Name | Android | Android |
| UI Skin | — | XOS 6.2 |
| OS Version | 6.0 | 10 |
Memory
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| Card Slot | No | microSDXC (dedicated slot) |
| Variants | 16GB 2GB RAM | 32GB 2GB RAM |
Main Camera
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| Video | 1080p@30fps | 1080p@30fps |
| Features | Dual-LED flash, panorama | Dual-LED flash, HDR, panorama |
| Count | 1 | 1 |
| Lens | 13 MP | 8 MP, f/2 |
Selfie Camera
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| Video | — | 1080p@30fps |
| Features | LED flash | Dual-LED flash, HDR |
| Count | 1 | 1 |
| Lens | 5 MP | 5 MP, f/2 |
Battery
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| Capacity (mAh) | 4500 | 5000 |
| Chemistry | Li-Ion | — |
Body
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| Build | — | Glass front, plastic back, plastic frame |
| SIM | Dual SIM (Micro-SIM, dual stand-by) | Nano-SIM + Nano-SIM |
| Height (mm) | 162.5 | 158.3 |
| Thickness (mm) | 8.4 | 9.8 |
| Weight (g) | 199 | 195 |
| Width (mm) | 82.8 | 75.2 |
Launch
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| Announced | 2016, July | 2020, December 16 |
| Status | Available. Released 2016, July | Available. Released 2020, December 24 |
Network
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 | GSM 850, 900, 1800, 1900 |
| 3G Bands | HSDPA 850, 900, 2100 | HSDPA 850, 900, 2100 |
| 4G Bands | LTE | 1, 3, 5, 8, 38, 40, 41 |
| Speed | HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology | GSM, HSPA, LTE | GSM, HSPA, LTE |
Connectivity
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| Bluetooth | 4 | 5 |
| NFC | No | No |
| Positioning | GPS | GPS |
| Radio | FM radio | FM radio |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
Sound
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
Features
| Spec | Infinix Note 3 | Infinix Smart HD 2021 |
|---|---|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity |
Buying advice for Algeria
Both Infinix Note 3 and Infinix Smart HD 2021 are sold in Algeria, but they fit different priorities.
Infinix Smart HD 2021 packs a 5000 mAh battery, which translates to longer screen-on time when you are away from a charger.
Infinix Note 3 reaches a higher main-sensor resolution at 13 MP, which helps with crops and lower-light photos.
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