Samsung Galaxy A31 vs Samsung Galaxy A9 (2018) Comparison and Differences
Smartphone 1
Samsung Galaxy A31
Smartphone 2
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Samsung Galaxy A9 (2018)
Smartphone 3
Samsung Galaxy A31 or Samsung Galaxy A9 (2018) Specs Comparison
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Common specs
| Brand and model | Samsung Galaxy A31 | Samsung Galaxy A9 (2018) | |
| Rating | (+0) | (+0) | |
| Release date | 2020, March 24 | 2018, October | |
| Dimensions (HxWxD) | 159.3 x 73.1 x 8.6 mm | 6.27 x 6.27 x 2.88 in | 162.5 x 77 x 7.8 mm | 6.4 x 6.4 x 3.03 in | |
| Weight | 185 g | 6.53 oz | 183 g | 6.46 oz | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White | Caviar Black, Lemonade Blue, Bubblegum Pink | |
| Battery | 5000 mAh, Non-removable Li-Po | 3800 mAh, Non-removable Li-Ion | |
| Approximate price | 220 EUR | 600 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | Super AMOLED | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.4" in | 6.3" in | |
| Screen area | 98.9 cm2 | 100.2 cm2 | |
| Screen format | 20:9 (height:width) | 18.5:9 (height:width) | |
| Screen to body ratio | 84.9% | 80.1% | |
| Screen resolution | 1080 x 2400 px | 1080 x 2220 px | |
| Screen PPI /points per inch/ | 411 PPI | 393 PPI | |
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 48 MP, Quad | 24 MP, Quad | |
| Camera specs | -48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF -8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm -5 MP, f/2.4, (macro) -5 MP, f/2.4, (depth) |
-24 MP, f/1.7, 27mm (wide), 1/2.8'', 0.9µm, PDAF -8 MP, f/2.4, 12mm (ultrawide), 1/4.0'', 1.12µm -10 MP f/2.4, 52mm, (telephoto), 1/3.9'', 1.0µm, 2x optical zoom -5 MP, f/2.2, 24mm (wide), 1/5.0'', 1.12µm, depth sensor |
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| Functions | LED flash, panorama, HDR | LED flash, panorama, HDR | |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30fps | |
| DxOMark Main Score | 88 | ||
| DxOMark Photo | 93 | ||
| DxOMark Video | 77 | ||
| Front camera, selfie | 20 MP, Single | 24 MP, Single | |
| Specifications | 20 MP, f/2.2, (wide) | 24 MP, f/2.0, 27mm (wide), 1/2.8'', 0.9µm | |
| Functions | HDR | ||
| Video | 1080p@30fps | 1080p@30fps |
Performance
| Operating system - OS | Android 10.0; One UI 2.0 | Android 8.0 (Oreo), planned upgrade to Android 9.0 (Pie) | |
| Chipset | - Mediatek MT6768 Helio P65 (12nm) | - Qualcomm SDM660 Snapdragon 660 (14 nm) | |
| CPU | - Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) | - Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) | |
| GPU | Mali-G52 MC2 | Adreno 512 | |
| External memory | microSDXC (dedicated slot) | microSD, up to 512 GB (dedicated slot) | |
| Internal memory | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM | 64/128 GB, 6/8 GB RAM |
Benchmark
| Antutu 8 Total | 183452 | ||
| Antutu 7 Total | |||
| GeekBench 6 Single Core | 386 | 317 | |
| GeekBench 6 Multi Core | 1213 | 1095 | |
| GeekBench 6 OpenCL | 761 | ||
| GeekBench 5 Single Core | 326 | 300 | |
| GeekBench 5 Multi-Core | 1157 | 1336 |
Communication and Connectivity
| SIM card | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | 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 -4G - LTE (unspecified) |
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 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) |
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| Speed | HSPA, LTE-A | 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 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO | |
| NFC | Yes (market/region dependent) | 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 | 5.0, A2DP, LE | |
| Harmful irradiation |
SAR EU - 0.49 W/kg (head) 1.68 W/kg (body) |
SAR - 0.27 W/kg (head) 0.84 W/kg (body) SAR EU - 0.35 W/kg (head) 1.59 W/kg (body) |
Music and Audio
| Radio | FM radio, RDS, recording | FM radio | |
| Headphone jack | Yes | Yes | |
| Others | - Active noise cancellation with dedicated mic -Dolby Atmos |
Other features
| Sensors | - Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
| Other extras |
- Fast charging 15W |
- ANT+ - --Samsung Pay - Fast battery charging |
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| Versions |
- Also known as Samsung Galaxy A9 Star Pro, Samsung Galaxy A9s Versions: SM-A920F/DS (Global); SM-A9200 (China) |
Reviews and Opinions on Samsung Galaxy A31 and Samsung Galaxy A9 (2018)
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