Xiaomi Redmi S2 vs Samsung Galaxy A8 (2018) vs Samsung Galaxy A7 (2017) Comparison
Smartphone 1
Xiaomi Redmi S2
Smartphone 2
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Samsung Galaxy A8 (2018)
Smartphone 3
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Samsung Galaxy A7 (2017)
Compare Xiaomi Redmi S2 and Samsung Galaxy A8 (2018) and Samsung Galaxy A7 (2017)
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Common specs
| Brand and model | Xiaomi Redmi S2 | Samsung Galaxy A8 (2018) | Samsung Galaxy A7 (2017) |
| Rating | (+) | (+) | |
| Release date | 2018, May | 2017, December | 2017, January |
| Dimensions (HxWxD) | 160.7 x 77.3 x 8.1 mm | 6.33 x 6.33 x 3.04 in | 149.2 x 70.6 x 8.4 mm | 5.87 x 5.87 x 2.78 in | 156.8 x 77.6 x 7.9 mm | 6.17 x 6.17 x 3.06 in |
| Weight | 170 g | 6 oz | 172 g | 6.07 oz | 186 g | 6.56 oz |
| Body Build | Front glass, plastic body | Front/back glass, aluminum frame | Front/back glass, aluminum frame |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Gray, Gold, Rose Gold, Mesmerising Blue, Stunning Black | Black, orchid grey, gold, blue | Black Sky, Gold Sand, Blue Mist and Peach Cloud |
| Battery | 3080 mAh, Non-removable Li-Po | 3000 mAh, Non-removable Li-Ion | 3600 mAh, Non-removable Li-Ion |
| Battery life |
Talking time - Up to 24 h (3G) Music play - Up to 66 h |
Talking time - Up to 23 h (3G) Music play - Up to 59 h |
|
| Approximate price | 150 EUR | 270 EUR | 280 EUR |
| Check price | from Amazon | from Amazon |
Screen
| Technology | IPS LCD | Super AMOLED | Super AMOLED |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | capacitive touchscreen |
| Display colors | 16M | 16M | 16M |
| Screen size | 5.99" in | 5.6" in | 5.7" in |
| Screen area | 92.6 cm2 | 79.6 cm2 | 89.6 cm2 |
| Screen format | 18:9 (height:width) | 18.5:9 (height:width) | 16:9 (height:width) |
| Screen to body ratio | 74.5% | 75.6% | 73.6% |
| Screen resolution | 720 x 1440 px | 1080 x 2220 px | 1080 x 1920 px |
| Screen PPI /points per inch/ | 269 PPI | 441 PPI | 386 PPI |
| Screen protection | Corning Gorilla Glass (unspecified version) | Corning Gorilla Glass 4 | |
| Other specs | - Always-on display | - Always-on display | |
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 12 MP, Dual | 16 MP, Single | 16 MP, Single |
| Camera specs | -12 MP, f/2.2, 1.25μm, PDAF -5 MP, depth sensor |
-16 MP, f/1.7, 26mm (wide), 1/2.8, 1.12µm, PDAF | -16 MP, f/1.9, 27mm (wide), AF |
| Functions | LED flash, panorama, HDR | LED flash, panorama, HDR | LED flash, panorama, HDR |
| Video | 1080p@30fps (gyro-EIS) | 1080p@30fps | 1080p@30fps |
| Front camera, selfie | 16 MP, Single | 16 MP, Dual | 16 MP, Single |
| Specifications | 16 MP | 16 MP, f/1.9, 27mm (wide), 1/3.1'', 1.0µm 8 MP, f/1.9, 24mm (wide), 1/4'', 1.12µm |
16 MP, f/1.9 |
| Functions | HDR, LED flash | ||
| Video | 1080p@30fps | 1080p@30fps |
Performance
| Operating system - OS | Android 8.1 (Oreo); MIUI 10 | Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo) | Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo) |
| Chipset | - Qualcomm MSM8953 Snapdragon 625 (14 nm) | - Exynos 7885 Octa (14 nm) | - Exynos 7880 Octa (14 nm) |
| CPU | - Octa-core 2.0 GHz Cortex-A53 | - Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) | - Octa-core 1.9 GHz Cortex-A53 |
| GPU | Adreno 506 | Mali-G71 | Mali-T830MP3 |
| External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| Internal memory | 64 GB, 4 GB RAM 32 GB, 3 GB RAM | 32/64 GB, 4 GB RAM | 32 GB, 3 GB RAM |
Benchmark
| Antutu 8 Total | 142851 | ||
| Antutu 7 Total | |||
| GeekBench 6 Single Core | 188 | 320 | 174 |
| GeekBench 6 Multi Core | 851 | 892 | 843 |
| GeekBench 6 OpenCL | 463 | ||
| GeekBench 5 Single Core | 168 | 309 | 145 |
| GeekBench 5 Multi-Core | 985 | 994 | 911 |
| GeekBench 4 Single Core | 835 | 1482 | 771 |
| GeekBench 4 Multi-Core | 4087 | 4208 | 4011 |
| GeekBench 4 RenderScript | 3704 | 2980 |
Communication and Connectivity
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) |
| Network | GSM / CDMA / HSPA / LTE | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Global LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) - India LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China |
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -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), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) |
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500) |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat11 600/75 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| Wi-Fi | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS |
| NFC | Yes | Yes | |
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector |
| Bluetooth | 4.2, A2DP, LE | 5.0, A2DP, EDR, LE | 4.2, A2DP, EDR, LE |
| Harmful irradiation |
SAR EU - 0.24 W/kg (head) 1.25 W/kg (body) |
SAR - 1.00 W/kg (head) 0.71 W/kg (body) SAR EU - 0.21 W/kg (head) 1.33 W/kg (body) |
Music and Audio
| Radio | FM radio | FM radio | FM radio |
| Headphone jack | Yes | Yes | Yes |
| Others | - Active noise cancellation with dedicated mic | - 24-bit/192kHz audio -Active noise cancellation with dedicated mic |
- Active noise cancellation with dedicated mic |
Other features
| Sensors | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass , Infrared port | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer | - Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer |
| Other extras |
- Charging 5V/2A 10W |
- -ANT+ - Fast battery charging - Samsung Pay -IP68 dust/water proof (up to 1.5m for 30 mins) |
- ANT+ - Fast battery charging - - Samsung Pay -IP68 dust/water proof (up to 1.5m for 30 mins) |
| Versions |
- Also known as Xiaomi Redmi Y2 in India |
- Versions: A530F (Europe, Global Single-SIM); A530F/DS (Global Dual-SIM) Also known as Samsung Galaxy A8 (2018) Duos with dual-SIM card slots |
- Versions: A720F (Global Single-SIM); A720F/DS (Global Dual-SIM). Also known as Samsung Galaxy A7 (2017) Duos with dual-SIM card slots |