Compare
Specifications
Karbonn A21 |
Asus Zenfone 4 (2014) |
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Full
Differences
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Karbonn A21 |
Asus Zenfone 4 (2014) |
| Network | ||
|---|---|---|
| Technology | GSM / HSPA | GSM / HSPA |
| 2G bands | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| Speed | HSPA 7.2/0.384 Mbps | HSPA 42.2/5.76 Mbps |
| Launch | ||
|---|---|---|
| Announced | 2012 | 2014, January. Released 2014, May |
| Status | Discontinued | Discontinued |
| Body | ||
|---|---|---|
| Dimensions | - | 124.4 x 61.4 x 6.3 - 11.2 mm |
| Weight | - | 115 g (4.06 oz) |
| SIM | Dual SIM (Mini-SIM) | Dual SIM (Micro-SIM, dual stand-by) |
| Display | ||
|---|---|---|
| Type | TFT, 256K colors | TFT |
| Size | 4.5 inches, 57.6 cm2 | 4.0 inches, 45.5 cm2 (~59.6% screen-to-body ratio) |
| Resolution | 480 x 800 pixels, 5:3 ratio (~207 ppi density) | 480 x 800 pixels, 5:3 ratio (~233 ppi density) |
| Protection | Corning Gorilla Glass 3 | |
| Platform | ||
|---|---|---|
| OS | Android 4.0 (Ice Cream Sandwich) | Android 4.3 (Jelly Bean), upgradable to 4.4.2 (KitKat) |
| Chipset | Intel Atom Z2520 | |
| CPU | Dual-core 1.2 GHz | Dual-core 1.2 GHz |
| GPU | PowerVR SGX544MP2 | |
| Memory | ||
|---|---|---|
| Card slot | microSDHC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 4GB 512MB RAM | 4GB 1GB RAM, 8GB 1GB RAM |
| Main Camera | ||
|---|---|---|
| Modules | 5 MP, AF | 5 MP, AF |
| Features | LED flash | |
| Video | Yes | 1080p@30fps |
| Selfie Camera | ||
|---|---|---|
| Modules | 1.3 MP | Yes |
| Video | ||
ADVERTISEMENT
| Sound | ||
|---|---|---|
| Loudspeaker | Yes | Yes |
| 3.5mm jack | Yes | Yes |
| Comms | ||
|---|---|---|
| WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Bluetooth | 2.1, A2DP | 4.0, A2DP, EDR |
| Positioning | GPS | GPS, GLONASS |
| NFC | No | No |
| Infrared port | No | No |
| Radio | No | No |
| USB | microUSB 2.0 | microUSB 2.0, OTG |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, proximity | Accelerometer, proximity |
| Battery | ||
|---|---|---|
| Type | Li-Ion 1800 mAh, removable | Li-Po 1600/1200 mAh, removable |
| Stand-by | Up to 200 h | Up to 192 h |
| Talk time | Up to 5 h | Up to 10 h |
| Misc | ||
|---|---|---|
| Colors | Pearl White | Charcoal Black, Pearl White, Cherry Red, Sky Blue, Solar Yellow | SAR | 1.18 W/kg (head) |
| SAR EU | 0.44 W/kg (head) | 0.53 W/kg (head) |
| Models | T00I, A400CG, A400CXG | |
| Price | About 130 EUR | About 130 EUR |