Xiaomi Redmi Note 9 vs Opal B4
Quick Comparison
Xiaomi Redmi Note 9 has better RAM than Opal B4. In terms of display resolution, Xiaomi Redmi Note 9 has better resolution of 2340 x 1080 than Opal B4 which has resolution of 240 x 120. Xiaomi Redmi Note 9 has more internal memory than Opal B4
| Name | Xiaomi Redmi Note 9 | Opal B4 |
| RAM | 4 GB | 32 MB |
|---|---|---|
| Display | 6.53 in | 1.77 in |
| Internal Memory | 64 GB | 32 MB |
| Battery | 5020 mAh | 1000 mAh |
| Camera | 48 MP Quad | 1.3 MP |
| Price | Rs. 9990 | Rs. 711 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 20, 2020 . The cost of Xiaomi Redmi Note 9 is Rs. 9990. The cost of Opal B4 is Rs. 711.
Display comparison
Xiaomi Redmi Note 9 has larger screen size of 6.53 inches in comparison to Opal B4's 1.77 inch screen. Xiaomi Redmi Note 9 has IPS LCD Screen type where as Opal B4 has TFT Screen type. Xiaomi's phone has display density of 403 PPI & Opal's phone has only 151 PPI display density. Xiaomi Redmi Note 9 has 19.5:9 aspect ratio where as Opal B4 has 18:9 aspect ratio.
Memory comparison
Xiaomi Redmi Note 9's larger 4 GB RAM is better for playing games and all with respect to Opal B4's lower 32 MB RAM. Xiaomi Redmi Note 9 has more Internal Memory (64 GB) than Opal B4 (32 MB).
Camera comparison
Xiaomi Redmi Note 9's 48 MP Quad Rear Camera outshines Opal B4's 1.3 MP Rear Camera in terms of resolution.
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Full Comparison
| Name | Xiaomi Redmi Note 9 | Opal B4 |
| General | ||
| Model | Redmi Note 9 | B4 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Normal SIM |
| Device Type | Smartphone | Feature Phone |
| Release Date | July 20, 2020 | |
| Design | ||
| Dimensions | 77.2 x 162.3 x 8.9 mm | 55 x 125 x 10 mm |
| Weight | 199 g | 46 g |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color TFT Screen |
| Touch | Yes | No |
| Size | 6.53 inches, 1080 x 2340 pixels | 1.77 inches, 120 x 240 pixels |
| Aspect Ratio | 19.5:9 | 18:9 |
| PPI | ~ 403 PPI | ~ 151 PPI |
| Screen to Body Ratio | ~ 83.5% | |
| Glass Type | Corning Gorilla Glass 5 | |
| Features | Reading Mode 2.0, Plastic Frame | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 4 GB | 32 MB |
| Storage | 64 GB | 32 MB |
| Card Slot | Yes, upto 512 GB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | No |
| 4G | Yes | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | No |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes |
| USB | Yes, USB-C | No |
| USB Features | USB Tethering, USB on-the-go, USB Charging | |
| IR Blaster | Yes | |
| Extra | ||
| GPS | yes with A-GPS, GLONASS, GALILEO, BDS | |
| Fingerprint Sensor | Yes, Rear | |
| Face Unlock | Yes | |
| Sensors | Light sensor, Proximity sensor, Accelerometer, Compass | |
| 3.5mm Headphone Jack | Yes | Yes |
| Splash Resistant | Yes | |
| Camera | ||
| Rear Camera | 48 MP ƒ/1.79 (Main) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 1.3 MP |
| Auto Focus | Yes | |
| Features | Night Mode, Document Mode, Cinematic portraits, HDR, Panorama, Pro mode, Portrait | |
| Video Recording | 1080p @ 30 fps FHD, 720p @ 120/30 fps HD | Yes |
| Flash | Yes, LED | Yes |
| Front Camera | 13 MP ƒ/2.3 (Main) | No |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v10.0 | |
| Chipset | MediaTek Helio G85 | |
| CPU | 2 GHz, Octa Core Processor | 1.2 MHz Processor |
| Core Details | 2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 | |
| GPU | Mali-G52 MC2 | |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | MP3 |
| Video | MP4, M4V, MKV, XVID | MP4 |
| FM Radio | Yes | Yes |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Removable Battery |
| Size | 5020 mAh, Li-ion Battery | 1000 mAh, Li-ion Battery |
| Fast Charging | Yes, 22.5W Fast Charging | |
| Reverse Charging | Yes, 9W Reverse Charging | |
| Talk Time | 34 hours | |
| Music Playback Time | 171 hours | |