AI Summary
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General
| Name | Vivo Y91 | Redmi 4A |
|---|---|---|
| Launch Date | 1 Nov 2018 | 1 Nov 2016 |
| Brand | Vivo | Redmi |
| Colors | - | Gold, Rose Gold, Dark Gray |
| Models | - | 2016117 |
Display
| Display Size | 6.22 Inches | 5.0 Inches |
|---|---|---|
| Display Type | LCD | IPS LCD |
| Resolution | 720 x 1520 pixels | 720 x 1280 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Aspect Ratio | 19:9 | 16:9 |
| Features | - | 69.0% (screen to body ratio), 296 ppi |
Platform
| Operating System | Android 8.1 (Oreo), Funtouch 4.5 | Android 6.0.1 (Marshmallow), MIUI 10 |
|---|---|---|
| Processor | Snapdragon 439 (12 nm) | Snapdragon 425 (28 nm) |
| CPU | - | Quad-core 1.4 GHz Cortex-A53 |
| GPU | - | Adreno 308 |
Memory
| Ram | 2GB, 3GB | 2GB, 3GB |
|---|---|---|
| Ram Type | - | LPDDR3 |
| Storage | 16GB, 32GB | 16GB, 32GB |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| SD Card Slot | Yes | Yes |
Camera
| Type | Dual Camera | Single Camera |
|---|---|---|
| Main | 13 MP, f/2.2 | 13 MP, f/2.2, AF |
| Depth | 2 MP, f/2.4 | - |
| Video | 1080p@30fps | 1080p@30fps |
| Features | - | HDR |
Front Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Selfie | 8 MP, f/1.8 | 5 MP, f/2.2 |
| Video | 1080p@30fps | 1080p@30fps |
Battery
| Capacity | 4030 mAh | 3120 mAh |
|---|---|---|
| Battery Technology | Li-Po | Li-Ion, non-removable |
| Charging Speed | 10W | - |
| USB Type | Micro USB | Micro USB, USB 2.0 |
| Wireless Charging | No | No |
Network
| Sim | Dual Sim | Dual Sim |
|---|---|---|
| Sim Type | Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) | |
| Technology | 4G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 2.4 | WiFi 2.4 |
|---|---|---|
| Bluetooth | V4.2 | V4.1 |
| NFC | No | No |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | Yes |
Biometric
| Fingerprint | Yes | No |
|---|---|---|
| Fingerprint Type | Capacitive Fingerprint Scanner | - |
| Fingerprint Position | Rear-Mounted | - |
| Face Unlock | 2D Face Unlock | 2D Face Unlock |
Body
| Dimensions | 155.1 x 75.1 x 8.3 mm | 139.9 x 70.4 x 8.5 mm |
|---|---|---|
| Weight | 163.5 g | 131.5 g |
| Frame | Plastic Frame | Plastic Frame |
| Back | Plastic Back | Plastic Back |
| IP Rating | No | No |
Others
| Sensors | - | Accelerometer, gyro, proximity |
|---|---|---|
| SAR | - | 0.53 W/kg (head), 1.18 W/kg (body) |
Benchmarks
| Geekbench | - | 1781 (v4.4) |
|---|
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