OPPO F21 Pro 4G vs Karbonn K121i
Quick Comparison
OPPO F21 Pro 4G has better RAM than Karbonn K121i. In terms of display resolution, OPPO F21 Pro 4G has better resolution of 2400 x 1080 than Karbonn K121i which has resolution of 160 x 128. OPPO F21 Pro 4G has more internal memory than Karbonn K121i
| Name | OPPO F21 Pro 4G | Karbonn K121i |
| RAM | 8 GB | 45 MB |
|---|---|---|
| Display | 6.5 in | 1.8 in |
| Internal Memory | 128 GB | 35 MB |
| Battery | 4500 mAh | 1000 mAh |
| Price | Rs. 15999 | Rs. 884 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is April 12, 2022. The cost of OPPO F21 Pro 4G is Rs. 15999. The cost of Karbonn K121i is Rs. 884.
Display comparison
OPPO F21 Pro 4G has larger screen size of 6.5 inches in comparison to Karbonn K121i's 1.8 inch screen. OPPO F21 Pro 4G has AMOLED Screen type where as Karbonn K121i has Screen type. OPPO's phone has display density of 409 PPI & Karbonn's phone has only 114 PPI display density. OPPO F21 Pro 4G has 20:9 aspect ratio where as Karbonn K121i has 5:4 aspect ratio.
Memory comparison
OPPO F21 Pro 4G's larger 8 GB RAM is better for playing games and all with respect to Karbonn K121i's lower 45 MB RAM. OPPO F21 Pro 4G has more Internal Memory (128 GB) than Karbonn K121i (35 MB).
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Full Comparison
| Name | OPPO F21 Pro 4G | Karbonn K121i |
| General | ||
| Model | F21 Pro | k121i |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Normal SIM |
| Device Type | Smartphone | Feature Phone |
| Release Date | April 12, 2022 | |
| In The Box | Handset, Battery, Charger | |
| Design | ||
| Dimensions | 73.2 x 159.9 x 7.5 mm | |
| Weight | 175 g | 40 g |
| Design Type | Classic (Candybar) | |
| Colors | Black Red | |
| Display | ||
| Type | Color AMOLED Screen (16.7M) | Color |
| Touch | Yes | No |
| Size | 6.5 inches, 1080 x 2400 pixels, 90 Hz | 1.8 inches, 128 x 160 pixels |
| Aspect Ratio | 20:9 | 5:4 |
| PPI | ~ 409 PPI | ~ 114 PPI |
| Screen to Body Ratio | ~ 90.8% | |
| Glass Type | Corning Gorilla Glass 5 | |
| Features | Normal mode: 430 nits (Typical), High Brightness Mode: 600 nits (Typical), Vivid mode: 97% NTSC/95% DCI-P3, Gentle Mode: sRGB | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 8 GB | 45 MB |
| Expandable RAM | Upto 5 GB Extra Virtual RAM | |
| Storage | 128 GB | 35 MB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 256 GB | Yes, upto 32 GB |
| Connectivity | ||
| GPRS | Yes | No |
| EDGE | Yes | No |
| 3G | Yes | No |
| 4G | Yes | |
| 5G | No | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | No |
| Bluetooth | Yes, v5.1 | Yes |
| USB | Yes, USB-C | Yes |
| USB Features | USB on-the-go, USB Charging | |
| Extra | ||
| GPS | Built-in GPS, A-GPS, BeiDou, GLONASS, Galileo, QZSS | No |
| Fingerprint Sensor | Yes, In Display | |
| Face Unlock | Yes | |
| Sensors | Geomagnetic Sensor, Proximity Sensor, Optical Sensor, Accelerometer, Gravity Sensor, Gyroscope, Pedometer, Compass | |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 64 MP ƒ/1.7 (Wide Angle) 2 MP ƒ/3.3 Microscope 2 MP ƒ/2.4 Mono | No |
| Auto Focus | Yes | |
| Features | Panorama, Portrait, Time-lapse, Slow-motion, Text scanner, Google Lens, Extra HD, Macro, Sticker | |
| Video Recording | 1080p, 720p | No |
| Flash | Yes, LED | |
| Front Camera | 32 MP ƒ/2.4 Punch Hole | No |
| Front Video Recording | 1080p | |
| Technical | ||
| OS | Android v12 | |
| Chipset | Qualcomm Snapdragon 680 | |
| CPU | 2.4 GHz, Octa Core Processor | |
| Core Details | 4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver | |
| GPU | Adreno 610 | |
| Java | No | No |
| Browser | Yes | No |
| Multimedia | ||
| Yes | ||
| Music | Yes | MP3 |
| Video | Yes | MP4 |
| FM Radio | No | Yes |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Removable Battery |
| Size | 4500 mAh, Li-Po Battery | 1000 mAh |
| Fast Charging | Yes, 33W Fast Charging | |
| Talk Time | 4 hours | |