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General
| Name | Infinix S4 | LG K40 |
|---|---|---|
| Launch Date | 1 Apr 2019 | 1 Feb 2019 |
| Brand | Infinix | LG |
| Colors | Space gray, nebula blue, twilight purple | - |
| Models | X626, X626B, X610B, X626B LTE | - |
Display
| Display Size | 6.2 Inches | 5.7 Inches |
|---|---|---|
| Display Type | IPS LCD | LCD |
| Resolution | 720 x 1520 pixels | 720 x 1440 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Aspect Ratio | 19:9 | 18:9 |
| Features | 82.0% (screen to body ratio), 271 ppi | - |
Platform
| Operating System | Android 9.0 (Pie) | Android 8.1 (Oreo), LG UX 7 |
|---|---|---|
| Processor | MediaTek Helio P22 (12 nm) | MediaTek MT6762 Helio P22 (12 nm) |
| CPU | Octa-core 2.0 GHz Cortex-A53 | - |
| GPU | PowerVR GE8320 | - |
Memory
| Ram | 3GB, 6GB | 2GB, 3GB |
|---|---|---|
| Storage | 32GB, 64GB | 32GB |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| SD Card Slot | Yes | Yes |
Camera
| Type | Triple Camera | Single Camera |
|---|---|---|
| Main | 13 MP, PDAF | 16 MP, f/2.0 |
| Ultra Wide | 8 MP | - |
| Other | 2 MP, f/2.4 | - |
| Video | 1080p@30fps | 1080p@30fps |
| Features | HDR | - |
Front Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Selfie | 32 MP, f/2.0, 26mm, 1/2.8", 0.8µm | 8 MP, f/2.0 |
| Video | 1080p@30fps | 1080p@30fps |
Battery
| Capacity | 4000 mAh | 3000 mAh |
|---|---|---|
| Battery Technology | non-removable | Li-Ion |
| Charging Speed | - | - |
| USB Type | Micro USB, USB 2.0, OTG | Micro USB |
| Wireless Charging | No | No |
Network
| Sim | Dual Sim | Dual Sim |
|---|---|---|
| Sim Type | Dual SIM (Nano-SIM, dual stand-by) | |
| Technology | 4G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 5 | WiFi 5 |
|---|---|---|
| Bluetooth | V5.0 | V5.0 |
| NFC | No | Yes |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | Yes |
Biometric
| Fingerprint | Yes | Yes |
|---|---|---|
| Fingerprint Type | Capacitive Fingerprint Scanner | Capacitive Fingerprint Scanner |
| Fingerprint Position | Rear-Mounted | Rear-Mounted |
| Face Unlock | 2D Face Unlock | Not Available |
Body
| Dimensions | 156 x 75 x 7.9 mm | 153 x 71.9 x 8.3 mm |
|---|---|---|
| Weight | 154 g | 144 g |
| Frame | Plastic Frame | Plastic Frame |
| Back | Plastic Back | Plastic Back |
| IP Rating | No | No |
Others
| Sensors | Accelerometer, gyro, proximity, compass | - |
|---|
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