Samsung Galaxy A51 vs Samsung Galaxy A7 (2017) Comparison and Differences
Smartphone 1
Samsung Galaxy A51
Smartphone 2
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Samsung Galaxy A7 (2017)
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Samsung Galaxy A51 or Samsung Galaxy A7 (2017) Specs Comparison
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Common specs
| Brand and model | Samsung Galaxy A51 | Samsung Galaxy A7 (2017) | |
| Rating | (+) | (+) | |
| Release date | 2019, December | 2017, January | |
| Dimensions (HxWxD) | 158.5 x 73.6 x 7.9 mm | 6.24 x 6.24 x 2.9 in | 156.8 x 77.6 x 7.9 mm | 6.17 x 6.17 x 3.06 in | |
| Weight | 172 g | 6.07 oz | 186 g | 6.56 oz | |
| Body Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Front/back glass, aluminum frame | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Prism Crush Black, White, Blue, Pink | Black Sky, Gold Sand, Blue Mist and Peach Cloud | |
| Battery | 4000 mAh, Non-removable Li-Po | 3600 mAh, Non-removable Li-Ion | |
| Battery life |
Talking time - Up to 32 h (3G) Music play - Up to 87 h |
Talking time - Up to 23 h (3G) Music play - Up to 59 h |
|
| Approximate price | $280 | 280 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | Super AMOLED | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.5" in | 5.7" in | |
| Screen area | 102.0 cm2 | 89.6 cm2 | |
| Screen format | 20:9 (height:width) | 16:9 (height:width) | |
| Screen to body ratio | 87.4% | 73.6% | |
| Screen resolution | 1080 x 2400 px | 1080 x 1920 px | |
| Screen PPI /points per inch/ | 405 PPI | 386 PPI | |
| Screen protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 4 | |
| Other specs | - Always-on display | ||
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 48 MP, Quad | 16 MP, Single | |
| Camera specs | -48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF -12 MP, f/2.2, 12mm (ultrawide) -5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm -5 MP, f/2.2, 1/5.0", 1.12µm, depth sensor |
-16 MP, f/1.9, 27mm (wide), AF | |
| Functions | LED flash, panorama, HDR | LED flash, panorama, HDR | |
| Video | 2160p@30fps, 1080p@30/120fps; gyro-EIS | 1080p@30fps | |
| DxOMark Main Score | 87 | ||
| DxOMark Photo | 90 | ||
| DxOMark Video | 86 | ||
| Front camera, selfie | 32 MP, Single | 16 MP, Single | |
| Specifications | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm | 16 MP, f/1.9 | |
| Functions | HDR | ||
| Video | 1080p@30fps | 1080p@30fps |
Performance
| Operating system - OS | Android 10.0; One UI 2 | Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo) | |
| Chipset | - Exynos 9611 (10nm) | - Exynos 7880 Octa (14 nm) | |
| CPU | - Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | - Octa-core 1.9 GHz Cortex-A53 | |
| GPU | Mali-G72 MP3 | Mali-T830MP3 | |
| External memory | microSD, up to 1 TB (dedicated slot) | microSD, up to 256 GB (dedicated slot) | |
| Internal memory | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | 32 GB, 3 GB RAM |
Benchmark
| Antutu 10 Total | 266589 | ||
| Antutu 10 CPU | 78142 | ||
| Antutu 10 GPU | 45333 | ||
| Antutu 10 Mem | 67437 | ||
| Antutu 10 UX | 78142 | ||
| Antutu 8 Total | 138454 | ||
| Antutu 7 Total | |||
| GeekBench 6 Single Core | 325 | 174 | |
| GeekBench 6 Multi Core | 1031 | 843 | |
| GeekBench 6 OpenCL | 761 | ||
| GeekBench 6 Vulkan | 1472 | ||
| GeekBench 5 Single Core | 264 | 145 | |
| GeekBench 5 Multi-Core | 1276 | 911 | |
| GeekBench 4 Single Core | 771 | ||
| GeekBench 4 Multi-Core | 4011 | ||
| GeekBench 4 RenderScript | 2980 |
Communication and Connectivity
| SIM card | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE | |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 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), 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, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, BDS | |
| NFC | Yes | Yes | |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector | |
| Bluetooth | 5.0, A2DP, LE | 4.2, A2DP, EDR, LE | |
| Harmful irradiation |
SAR - 0.80 W/kg (head) 0.67 W/kg (body) SAR EU - 0.37 W/kg (head) 1.59 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 | |
| Headphone jack | Yes | Yes | |
| Others | - Active noise cancellation with dedicated mic | - Active noise cancellation with dedicated mic |
Other features
| Sensors | - Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | - Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer | |
| Other extras |
- ANT+ - Fast battery charging 15W |
- ANT+ - Fast battery charging - - Samsung Pay -IP68 dust/water proof (up to 1.5m for 30 mins) |
|
| Versions |
- Versions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia) |
- Versions: A720F (Global Single-SIM); A720F/DS (Global Dual-SIM). Also known as Samsung Galaxy A7 (2017) Duos with dual-SIM card slots |
Reviews and Opinions on Samsung Galaxy A51 and Samsung Galaxy A7 (2017)
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