Karbonn Alfa A91 Power vs Vivo T4x 5G
Quick Comparison
Vivo T4x 5G has better RAM than Karbonn Alfa A91 Power. Neither of them has front Flash. In terms of display resolution, Vivo T4x 5G has better resolution of 2408 x 1080 than Karbonn Alfa A91 Power which has resolution of 800 x 480. Vivo T4x 5G has more internal memory than Karbonn Alfa A91 Power
| Name | Karbonn Alfa A91 Power | Vivo T4x 5G |
| RAM | 256 MB | 6 GB |
|---|---|---|
| Display | 4 in | 6.72 in |
| Internal Memory | 512 MB | 128 GB |
| Battery | 2000 mAh | 6500 mAh |
| Camera | 2 MP | 50 MP + 2 MP Dual |
| Price | Rs. 2500 | Rs. 13999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is October, 2015. The cost of Karbonn Alfa A91 Power is Rs. 2500. The launch Date of the second phone is March 05, 2025. The cost of Vivo T4x 5G is Rs. 13999.
Display comparison
Karbonn Alfa A91 Power has screen size of 4 inches which falls short to Vivo T4x 5G's 6.72 inch screen. Karbonn Alfa A91 Power has TFT Screen type where as Vivo T4x 5G has LCD Screen type. Vivo's phone has display density of 393 PPI & Karbonn's phone has only 233 PPI display density. Karbonn Alfa A91 Power has 5:3 aspect ratio where as Vivo T4x 5G has 20:9 aspect ratio.
Memory comparison
Vivo T4x 5G's larger 6 GB RAM is better for playing games and all with respect to Karbonn Alfa A91 Power's lower 256 MB RAM. Vivo T4x 5G has more Internal Memory (128 GB) than Karbonn Alfa A91 Power (512 MB).
Camera comparison
Vivo T4x 5G's 50 MP + 2 MP Dual Rear Camera outclasses Karbonn Alfa A91 Power's 2 MP Rear Camera in terms of resolution. Vivo T4x 5G will be better choice if you're looking to click lot of selfies as it has better 8 MP Front Camera in comparison to Karbonn Alfa A91 Power's 0.3 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 4.4 and the second one on 15 version.
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Full Comparison
| Name | Karbonn Alfa A91 Power | Vivo T4x 5G |
| General | ||
| Model | V2437 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | |
| SAR | 0.99 W/kg (Head) 0.94 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | October, 2015 | March 05, 2025 |
| In The Box | Handset, Quick Start Guide, USB Cable, Charger, Eject Tool, Phone Case, Protective Film (Applied), Warranty Card | |
| Design | ||
| Dimensions | 76.3 x 165.7 x 8.09 mm | |
| Weight | 204 g | |
| Bezel less | No | |
| Colors | Marine Blue, Pronto Purple | |
| Display | ||
| Type | Color TFT Screen | Color LCD Screen (16.7 M) |
| Touch | Yes | Yes |
| Size | 4 inches, 480 x 800 pixels | 6.72 inches, 1080 x 2408 pixels, 120 Hz |
| Aspect Ratio | 5:3 | 20:9 |
| PPI | ~ 233 PPI | ~ 393 PPI |
| Screen to Body Ratio | ~ 83% | |
| Features | Screen Brightness: 1050 Nits HBM (High Brightness Mode), Color Gamut: 83% NTSC | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 256 MB | 6 GB |
| Expandable RAM | Upto 6 GB Extra Virtual RAM | |
| Storage | 512 MB | 128 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, upto 32 GB | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | |
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n8/n28B/n40/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Supports (2.4 GHz | 5.0 GHz), WiFi 6 | |
| Bluetooth | Yes, v2.0 | Yes, v5.4 |
| USB | Yes, microUSB v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes | GPS, BEIDOU, GLONASS, GALILEO, QZSS |
| Fingerprint Sensor | Yes, Side | |
| Face Unlock | Yes | |
| Sensors | Accelerometer | Accelerometer, Ambient Light Sensor, E-Compass, Proximity Sensor, Gyroscope |
| 3.5mm Headphone Jack | Yes | |
| Water Resistance | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | LPDDR4X RAM, Military-Grade Certified Durability, AI Erase, AI Photo Enhance, Quad Curved Design, Ultra Game Mode, 2 Years of Android Updates and 3 Years Of Security Updates, Antutu Score: 728K+, Circle to Search | |
| Camera | ||
| Rear Camera | 2 MP | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | |
| Features | Night, Portrait, Photo, Video, 50MP, Pano, Documents, Slo-Mo, Timelapse, Pro, Live Photo | |
| Video Recording | 1080p @ 30 fps FHD, 4K @ 30 fps UHD | |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 0.3 MP | 8 MP ƒ/2.05 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p | |
| Technical | ||
| OS | Android v4.4 (KitKat) | Android v15 |
| Custom UI | Funtouch OS 15 | |
| Chipset | Mediatek Dimensity 7300 | |
| CPU | 1 GHz, Single Core Processor | 2.5 GHz, Octa Core Processor |
| Core Details | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | |
| GPU | Adreno GPU | |
| Java | Yes, via 3rd party | No |
| Browser | Yes | |
| Multimedia | ||
| Yes | ||
| Music | WAV, MP3, MP2, MP1, MIDI, Vorbis, APE, FLAC, AAC, OPUS | |
| Video | MP4, 3GP, MKV, FLV | |
| FM Radio | Yes | No |
| Document Reader | Yes | |
| Battery | ||
| Type | Removable Battery | Non-Removable Battery |
| Size | 2000 mAh, Li-ion Battery | 6500 mAh, Li-ion Battery |
| Fast Charging | Yes, 44W | |
| Reverse Charging | Yes | |