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Brief information about compared phones: Karbonn A21 , Samsung Galaxy S7 edgeKarbonn A21 2012 year of release, cpu Dual-core 1.2 GHz, screen 4.5", with resolution 480x800. Smartphone has 1 megapixel front camera and 5 megapixel main camera. Samsung Galaxy S7 edge 2016 year of release, cpu Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) G9350 -Octa-core (4x2.3 GHz Mongoose & 4x1.6 GHz Cortex-A53) G935FD, screen 5.5", with resolution 1440x2560. Smartphone has 5 megapixel front camera and 12 megapixel main camera. |
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| Display | Technology | TFT | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 256K | 16M | ||
| Screen size | 4.5" inch | 5.5" inch | ||
| Screen area | 57.6 cm2 | 83.4 cm2 | ||
| Screen format | 5:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | % | 76.1% | ||
| Screen resolution | 480 x 800 px | 1440 x 2560 px | ||
| PPI /points per inch/ | 207 PPI | 534 PPI | ||
| Screen protection | Corning Gorilla Glass 4 | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 12 MP, Single | |
| Camera specs | 5 MP, AF | 12 MP, f/1.7, 26mm (wide), 1/2.55'', 1.4µm, OIS, dual pixel PDAF | ||
| Functions | LED flash | Dual video call, Auto-HDR | ||
| Video | Yes | 2160p@30fps, 1080p@60fps, 720p@240fps, HDR, dual-video rec. | ||
| Front camera, selfie | 1.3 MP, Single | 5 MP, Single | ||
| Specifications | 1.3 MP | 5 MP, f/1.7, 22mm (wide), 1/4.1'', 1.34µm | ||
| DxOMark Main Score | 89 | |||
| DxOMark Photo | 91 | |||
| DxOMark Video | 86 | |||
| Performance | Operating system OS | Android 4.0 (Ice Cream Sandwich) | Android 6.0 (Marshmallow), upgradable to Android 8.0 (Oreo); TouchWiz UI | |
| Chipset | Qualcomm MSM8996 Snapdragon 820 (14 nm) G9350 -Exynos 8890 Octa (14 nm) G935FD, G935F, G935W8 | |||
| Processor CPU | Dual-core 1.2 GHz | Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) G9350 -Octa-core (4x2.3 GHz Mongoose & 4x1.6 GHz Cortex-A53) G935FD, G935F, G935W8 | ||
| Graphics processor GPU | Adreno 530 G9350 -Mali-T880 MP12 G935FD, G935F, G935W8 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only | ||
| Internal memory | 4 GB, 512 MB RAM | 32/64/128 GB, 512GB 4GB | ||
| Antutu 7 score | 158530 | |||
| GeekBench 4 Single Core | 1456 | |||
| GeekBench 4 Multi-Core | 3744 | |||
| GeekBench 4 RenderScript | 4571 | |||
| Antutu 8 score | 184713 | |||
| GeekBench 4 Battery | 2782 | |||
| GeekBench 5 Single Core | 252 | |||
| GeekBench 5 Multi-Core | 723 | |||
| General specs | Release date | 2012 | 2016, February | |
| Dimensions (HxWxD) | Х Х mm | 150.9 Х 72.6 Х 7.7 mm | ||
| Weight | 0 g | 157 g | ||
| Colors | Pearl White | Black, White, Gold, Silver, Pink Gold, Black Pearl, Coral Blue | ||
| Battery | 1800 mAh, Removable Li-Ion | 3600 mAh, Non-removable Li-Ion | ||
| Approximate price | 130 EUR | 400 EUR | ||
| Battery life | Stand by time- Up to 200 h Talking time- Up to 5 h | Talking time- Up to 27 h (3G) Music play - Up to 74 h | ||
| Body build | Front/back glass (Gorilla Glass 4), aluminum frame | |||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Single SIM (Nano-SIM) - G935F, G935W8Hybrid Dual SIM (Nano-SIM, dual stand-by) - G935FD | |
| Network | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G935FD, G9350 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - G935F, G935FD, G935W8 HSDPA 850 / 900 / 1900 / 2100 & TD-SCDMA - G9350 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - G935F, G935FD LTE band 1(2100), 41(2500) - G9350 LTE band 1(2100), 29(700), 30(2300), 41(2500) - G935W8 | ||
| Speed | HSPA 7.2/0.384 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, BDS | ||
| NFC | Yes | |||
| USB | microUSB 2.0 | microUSB 2.0, USB Host | ||
| Bluetooth | 2.1, A2DP | 4.2, A2DP, LE, aptX | ||
| Harmful irradiation | SAR EU - 0.44 W/kg (head) | SAR - 1.17 W/kg (head) 1.59 W/kg (body) SAR EU - 0.26 W/kg (head) 0.51 W/kg (body) | ||
| Music and Audio | Radio | No | No | |
| Headphone jack | Yes | Yes | ||
| Others | Always-on display | |||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 - Fast battery charging (Quick Charge 2.0) -Qi/PMA wireless charging (market dependent) -ANT+ -S-Voice natural language commands and dictation - Samsung Pay (Visa, MasterCard certified) -IP68 dust/water proof (up to 1.5m for 30 mins) - Versions: G935F (Global); G935FD (Southeast Asia, India); G9350 (Hong Kong); G935W8 (Canada) Also known as Samsung Galaxy S7 edge Duos with dual-SIM card slots | |
