Compare
Specifications
Karbonn A21 |
Samsung Galaxy S Duos S7562 |
|
Full
Differences
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Karbonn A21 |
Samsung Galaxy S Duos S7562 |
Network | ||
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Technology | GSM / HSPA | GSM / HSPA |
2G bands | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
3G Network | HSDPA 2100 | HSDPA 900 / 2100 - SIM 1 & SIM 2 |
Speed | HSPA 7.2/0.384 Mbps | HSPA 7.2/5.76 Mbps |
Launch | ||
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Announced | 2012 | 2012, July. Released 2012, September |
Status | Discontinued | Discontinued |
Body | ||
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Dimensions | - | 121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in) |
Weight | - | 120 g (4.23 oz) |
Build | Glass front, plastic back, plastic frame | |
SIM | Dual SIM (Mini-SIM) | Dual SIM (Mini-SIM, dual stand-by) |
Display | ||
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Type | TFT, 256K colors | TFT |
Size | 4.5 inches, 57.6 cm2 | 4.0 inches, 45.5 cm2 (~59.4% 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) |
Platform | ||
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OS | Android 4.0 (Ice Cream Sandwich) | Android 4.0 (Ice Cream Sandwich) |
Chipset | Qualcomm MSM7227A Snapdragon S1 | |
CPU | Dual-core 1.2 GHz | 1.0 GHz Cortex-A5 |
GPU | Adreno 200 |
Memory | ||
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Card slot | microSDHC (dedicated slot) | microSDHC (dedicated slot) |
Internal | 4GB 512MB RAM | 4GB (1.8GB user available), 768MB RAM |
Main Camera | ||
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Modules | 5 MP, AF | 5 MP, f/2.6, AF |
Features | LED flash | LED flash |
Video | Yes | 480p@30fps |
Selfie Camera | ||
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Modules | 1.3 MP | VGA |
Video |
ADVERTISEMENT
Sound | ||
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Loudspeaker | Yes | Yes |
3.5mm jack | Yes | Yes |
Comms | ||
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WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, hotspot |
Bluetooth | 2.1, A2DP | 3.0, A2DP |
Positioning | GPS | GPS, A-GPS |
NFC | No | |
Infrared port | No | No |
Radio | No | Stereo FM radio, RDS |
USB | microUSB 2.0 | microUSB 2.0 |
Features | ||
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Sensors | Accelerometer, proximity | Accelerometer, proximity, compass |
Battery | ||
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Type | Li-Ion 1800 mAh, removable | Removable Li-Ion 1500 mAh battery |
Stand-by | Up to 200 h | Up to 445 h (2G) / Up to 330 h (3G) |
Talk time | Up to 5 h | Up to 13 h (2G) / Up to 7 h 25 min (3G) |
Misc | ||
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Colors | Pearl White | White, Black, La Fleur | SAR | 0.27 W/kg (head) 0.65 W/kg (body) |
SAR EU | 0.44 W/kg (head) | 0.47 W/kg (head) |
Models | GT-S7562 | |
Price | About 130 EUR | About 110 EUR |
Tests | ||
---|---|---|
Display | Contrast ratio: 964 (nominal) / 1.400:1 (sunlight) | |
Loudspeaker | Voice 61dB / Noise 60dB / Ring 65dB | |
Audio quality | Noise -81.6dB / Crosstalk -80.5dB | |
Battery (old) | Endurance rating 43h | |