Karbonn A81 vs Vivo U3x
Quick Comparison
Vivo U3x has better RAM than Karbonn A81. In terms of display resolution, Vivo U3x has better resolution of 2408 x 1080 than Karbonn A81 which has resolution of 800 x 480. Vivo U3x has more internal memory than Karbonn A81
| Name | Karbonn A81 | Vivo U3x |
| RAM | 256 MB | 6 GB |
|---|---|---|
| Display | 4 in | 6.58 in |
| Internal Memory | 2 GB | 64 GB |
| Battery | 1400 mAh | 5000 mAh |
| Camera | 3 MP | 13 MP + 2 MP Dual |
| Price | Rs. 2299 | Rs. 8990 |
Related Products
Detailed Comparison
Price And Launch
The launch Date of the first phone is April, 2015. The cost of Karbonn A81 is Rs. 2299. The launch Date of the second phone is March 19, 2021. The Expected cost of Vivo U3x is Rs. 8990.
Display comparison
Karbonn A81 has screen size of 4 inches which falls short to Vivo U3x's 6.58 inch screen. Karbonn A81 has IPS Screen type where as Vivo U3x has IPS LCD Screen type. Vivo's phone has display density of 401 PPI & Karbonn's phone has only 233 PPI display density. Karbonn A81 has 5:3 aspect ratio where as Vivo U3x has 20.07:9 aspect ratio.
Memory comparison
Vivo U3x's larger 6 GB RAM is better for playing games and all with respect to Karbonn A81's lower 256 MB RAM. Vivo U3x has more Internal Memory (64 GB) than Karbonn A81 (2 GB).
Camera comparison
Vivo U3x's 13 MP + 2 MP Dual Rear Camera outshines Karbonn A81's 3 MP Rear Camera in terms of resolution.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 4.4 and the second one on 11 version.
Related Comparisons
Full Comparison
| Name | Karbonn A81 | Vivo U3x |
| General | ||
| Model | U3x | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | |
| Device Type | Smartphone | Smartphone |
| Release Date | April, 2015 | March 19, 2021 |
| Design | ||
| Dimensions | 66.3 x 123.4 x 9.5 mm | 75.4 x 164.2 x 8.4 mm |
| Weight | 110 g | 185.5 g |
| Display | ||
| Type | Color IPS Screen | Color IPS LCD Screen (16.7M) |
| Touch | Yes | Yes |
| Size | 4 inches, 480 x 800 pixels | 6.58 inches, 1080 x 2408 pixels, 90 Hz |
| Aspect Ratio | 5:3 | 20.07:9 |
| PPI | ~ 233 PPI | ~ 401 PPI |
| Screen to Body Ratio | ~ 84.2% | |
| Notch | Yes, Water Drop Notch | |
| Memory | ||
| RAM | 256 MB | 6 GB |
| Storage | 2 GB | 64 GB |
| Storage Type | UFS 2.1 | |
| Card Slot | Yes, upto 32 GB | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | |
| 5G | Yes | |
| VoLTE | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes | Yes, v5.1, A2DP, LE, aptX HD |
| USB | Yes, microUSB v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | |
| Fingerprint Sensor | Yes, Side | |
| Face Unlock | Yes | |
| Sensors | Accelerometer | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 3 MP | 13 MP ƒ/2.2 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | |
| Features | HDR, Panorama | |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | No | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v4.4 (KitKat) | Android v11 |
| Chipset | Qualcomm Snapdragon 480 | |
| CPU | 1 GHz, Single Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460 | |
| GPU | Adreno 619 | |
| Java | Yes, via 3rd party | No |
| Browser | Yes, supports HTML5 | |
| Multimedia | ||
| Yes | ||
| Music | Yes | |
| Video | Yes | |
| FM Radio | Yes | No |
| Document Reader | Yes | |
| Battery | ||
| Type | Removable Battery | Non-Removable Battery |
| Size | 1400 mAh, Li-ion Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 18W Fast Charging | |
| StandBy Time | 10 days | |
| Talk Time | 5 hours | |