The Karbonn A12+ and A21 represent a segment of the market focused on extreme affordability. While both devices offer basic smartphone functionality, a closer look at their specifications reveals a subtle but potentially impactful difference in processing power. This comparison dissects the nuances between these two models to help budget-conscious consumers make an informed decision.
🏆 Quick Verdict
For the average user prioritizing basic tasks like calls, messaging, and light web browsing, the Karbonn A12+ offers a slight edge due to its marginally faster 1.3 GHz dual-core processor. However, the difference is minimal, and the A21 remains a viable option if priced significantly lower.
| Network |
|---|
| 2G bands | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands | HSDPA 2100 | HSDPA 2100 |
| Speed | HSPA | HSPA 7.2/0.384 Mbps |
| Technology | GSM / HSPA | GSM / HSPA |
| Launch |
|---|
| Announced | 2013, October. Released 2013, October | 2012 |
| Status | Discontinued | Discontinued |
| Body |
|---|
| Dimensions | - | - |
| SIM | Dual SIM | Dual SIM (Mini-SIM) |
| Weight | - | - |
| Display |
|---|
| Resolution | 480 x 800 pixels, 5:3 ratio (~233 ppi density) | 480 x 800 pixels, 5:3 ratio (~207 ppi density) |
| Size | 4.0 inches, 45.5 cm2 | 4.5 inches, 57.6 cm2 |
| Type | IPS LCD | TFT, 256K colors |
| Platform |
|---|
| CPU | Dual-core 1.3 GHz | Dual-core 1.2 GHz |
| OS | Android 4.2 (Jelly Bean) | Android 4.0 (Ice Cream Sandwich) |
| Memory |
|---|
| Card slot | microSDHC (dedicated slot) | microSDHC (dedicated slot) |
| Internal | 4GB 512MB RAM | 4GB 512MB RAM |
| Main Camera |
|---|
| Features | LED flash | LED flash |
| Single | 5 MP, AF | 5 MP, AF |
| Video | Yes | Yes |
| Selfie camera |
|---|
| Single | VGA | 1.3 MP |
| Sound |
|---|
| 3.5mm jack | - | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms |
|---|
| Bluetooth | Yes | 2.1, A2DP |
| NFC | No | No |
| Positioning | GPS | GPS |
| Radio | FM radio | No |
| USB | microUSB 2.0 | microUSB 2.0 |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n |
| Features |
|---|
| Sensors | Accelerometer, proximity | Accelerometer, proximity |
| Battery |
|---|
| Stand-by | - | Up to 200 h |
| Talk time | - | Up to 5 h |
| Type | Li-Ion 1400 mAh battery | Li-Ion 1800 mAh, removable |
| Misc |
|---|
| Colors | Black/White | Pearl White |
| Price | About 60 EUR | About 130 EUR |
| SAR EU | - | 0.44 W/kg (head) |
Karbonn A12+
- Slightly faster processor (1.3 GHz)
- Potentially more responsive user experience
- May handle basic multitasking slightly better
- Likely similar display quality to A21
- Camera performance likely comparable to A21
Karbonn A21
- Potentially lower price point
- Sufficient for basic communication tasks
- Likely similar battery life to A12+
- Slower processor (1.2 GHz)
- May exhibit slightly more lag in app loading
Display Comparison
Given the lack of display specifications, we can assume both devices utilize similar low-cost LCD panels. The display experience will likely be comparable, focusing on basic visibility rather than color accuracy or high brightness. Bezels are likely substantial on both models, typical for this price segment. The user experience will be defined more by the software optimization than the panel itself.
Camera Comparison
Without camera specifications beyond the existence of cameras, it’s safe to assume both devices feature basic camera modules intended for casual snapshots. Image quality will likely be subpar, especially in low-light conditions. The absence of details like sensor size or aperture suggests a focus on cost reduction over photographic capabilities. Any included 'macro' camera is likely a low-resolution sensor offering minimal benefit.
Performance
The core difference lies in the CPU: the Karbonn A12+ features a dual-core processor clocked at 1.3 GHz, while the A21’s processor runs at 1.2 GHz. While both are dual-core, the 100 MHz clock speed difference translates to a small performance advantage for the A12+ in CPU-bound tasks. However, the architecture of these processors is unknown, making a precise performance prediction difficult. Expect both to struggle with demanding applications or heavy multitasking. RAM capacity is not specified, but likely limited, further impacting performance.
Battery Life
Battery capacity and charging wattage are not provided. Given the low-end nature of these devices, battery life will likely be sufficient for a day of light use, but heavy usage will require frequent charging. Charging times will likely be lengthy due to the probable use of a standard 5W charger. The slightly faster processor in the A12+ *could* result in marginally faster battery drain, but this difference will likely be negligible in real-world scenarios.
Buying Guide
Buy the Karbonn A12+ if you frequently multitask between a few simple apps, or if you anticipate needing slightly faster app loading times. This is the better choice for users who want the most responsiveness possible within this price bracket. Buy the Karbonn A21 if you primarily use your phone for calls, texts, and very occasional, light browsing, and are prioritizing the absolute lowest possible price point.
Frequently Asked Questions
❓ Will the Karbonn A12+ handle WhatsApp and Facebook Messenger smoothly?
The A12+'s 1.3 GHz processor should be capable of running WhatsApp and Facebook Messenger, but expect some lag when switching between apps or loading media. These apps are relatively lightweight, but the limited RAM (likely 512MB or 1GB) could cause performance issues with multiple chats open.
❓ Is the difference in processor speed between the A12+ and A21 noticeable in everyday use?
The 100 MHz difference in clock speed is subtle and likely won't be dramatically noticeable in most everyday tasks. You might perceive a slight improvement in app loading times on the A12+, but the overall user experience will be largely similar. The software optimization plays a larger role than this small CPU difference.
❓ Can either of these phones play popular mobile games like PUBG Mobile?
Neither the Karbonn A12+ nor the A21 are suitable for playing demanding games like PUBG Mobile. The dual-core processors and limited RAM will result in extremely low frame rates and significant lag, making the experience unplayable. These phones are designed for basic communication and light web browsing, not gaming.
