Samsung Galaxy A8 (2018) vs Samsung Galaxy S21 5G compare
The best smartphone comparison tool: compare Samsung Galaxy A8 (2018) vs Samsung Galaxy S21 5G and choose the best model for you
Smartphone 1
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Samsung Galaxy A8 (2018)
Smartphone 2
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Samsung Galaxy S21 5G
Smartphone 3
Samsung Galaxy A8 (2018) vs Samsung Galaxy S21 5G
What is the difference between the Samsung Galaxy A8 (2018) and Samsung Galaxy S21 5G? Which one is better? The answers to these questions and many more can be found here in this detailed comparison of the two phones. Discover the differences in specs between these two desirable devices, from screen size to battery life, in the table below. We have all the information you need to choose the best phone for you.
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Common specs
| Brand and model | Samsung Galaxy A8 (2018) | Samsung Galaxy S21 5G | |
| Rating | (+) | (+) | |
| Review | Samsung Galaxy S21 5G Review | ||
| Release date | 2017, December | 2021, January 14 | |
| Dimensions (HxWxD) | 149.2 x 70.6 x 8.4 mm | 5.87 x 5.87 x 2.78 in | 151.7 x 71.2 x 7.9 mm | 5.97 x 5.97 x 2.8 in | |
| Weight | 172 g | 6.07 oz | 169 g | 5.96 oz | |
| Body Build | Front/back glass, aluminum frame | Glass front (Gorilla Glass Victus), plastic back, aluminum frame | |
| Colors | Black, orchid grey, gold, blue | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink | |
| Battery | 3000 mAh, Non-removable Li-Ion | 4000 mAh, Li-Ion, non-removable | |
| Battery life |
Talking time - Up to 24 h (3G) Music play - Up to 66 h |
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| Approximate price | 270 EUR | $ 800 |
Screen
| Technology | Super AMOLED | Dynamic AMOLED 2X | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 5.6" inc | 6.2" inc | |
| Screen area | 79.6 cm2 | 94.1 cm2 | |
| Screen format | 18.5:9 (height:width) | 20:9 (height:width) | |
| Screen to body ratio | 75.6% | 87.2% | |
| Screen resolution | 1080 x 2220 px | 1080 x 2400 px | |
| Screen PPI /points per inch/ | 441 PPI | 421 PPI | |
| Screen protection | Corning Gorilla Glass (unspecified version) | Corning Gorilla Glass Victus | |
| Other specs | - Always-on display | - Always-on display -120Hz -HDR10+ -1300 nits (peak) |
Camera and Video
| Rear camera, main | 16 MP, Single | 12 MP, Triple | |
| Camera specs | -16 MP, f/1.7, 26mm (wide), 1/2.8, 1.12µm, PDAF | -12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS -64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom -12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video |
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| Functions | LED flash, panorama, HDR | LED flash, auto-HDR, panorama | |
| Video | 1080p@30fps | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | |
| DxOMark Main Score | 116 | ||
| DxOMark Photo | 123 | ||
| DxOMark Video | 93 | ||
| Front camera, selfie | 16 MP, Dual | 10 MP, Single | |
| Specifications | 16 MP, f/1.9, 27mm (wide), 1/3.1'', 1.0µm 8 MP, f/1.9, 24mm (wide), 1/4'', 1.12µm |
10 MP, f/2.2, 26mm (wide), 1/3.24'', 1.22µm, Dual Pixel PDAF | |
| Functions | Dual video call, Auto-HDR | ||
| Video | 1080p@30fps | 4K@30/60fps, 1080p@30fps | |
| DxOMark Selfie Score | 98 | ||
| DxOMark Photo | 100 | ||
| DxOMark Video | 95 |
Performance
| Operating system - OS | Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo) | Android 11, One UI 3.1 | |
| Chipset | - Exynos 7885 Octa (14 nm) | - Exynos 2100 (5 nm)
- Qualcomm SM8350 Snapdragon 888 (5 nm) - USA/China |
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| Processor CPU | - Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) | - Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International -Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China |
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| Graphics processor GPU | Mali-G71 | Mali-G78 MP14 - International Adreno 660 - USA/China |
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| External memory | microSD, up to 256 GB (dedicated slot) | No | |
| Internal memory | 32/64 GB, 4 GB RAM | 128GB 8GB RAM, 256GB 8GB RAM |
Benchmark
| Antutu 10 Total | 715197 | ||
| Antutu 10 CPU | 205401 | ||
| Antutu 10 GPU | 214138 | ||
| Antutu 10 Mem | 131954 | ||
| Antutu 10 UX | 205401 | ||
| Antutu 9 Total | 755368 | ||
| Antutu 8 Total | 142851 | 601547 | |
| Antutu 7 Total | |||
| GeekBench 6 Single Core | 320 | ||
| GeekBench 6 Multi Core | 892 | ||
| GeekBench 6 OpenCL | 463 | ||
| GeekBench 5 Single Core | 309 | 945 | |
| GeekBench 5 Multi-Core | 994 | 3061 | |
| GeekBench 4 Single Core | 1482 | ||
| GeekBench 4 Multi-Core | 4208 | ||
| GeekBench 4 RenderScript | 3704 |
Communication and Connectivity
| SIM card | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM and/or eSIM)Dual SIM (Nano-SIM and/or eSIM, dual stand-by) | |
| Network | GSM / HSPA / LTE | GSM / CDMA / HSPA / EVDO / LTE / 5G | |
Show all network frequencies: |
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| Speed | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat11 600/75 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO | |
| NFC | Yes | Yes | |
| USB | 2.0, Type-C 1.0 reversible connector | USB Type-C 3.2, USB On-The-Go | |
| Bluetooth | 5.0, A2DP, EDR, LE | 5.0, A2DP, LE | |
| Harmful irradiation |
SAR EU - 0.24 W/kg (head) 1.25 W/kg (body) |
SAR - 0.74 W/kg (head) 1.08 W/kg (body) SAR EU - 0.46 W/kg (head) 1.51 W/kg (body) |
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Music and Audio
| Radio | FM radio | FM radio (Snapdragon only) | |
| Headphone jack | Yes | No | |
| Others | - 24-bit/192kHz audio -Active noise cancellation with dedicated mic |
- 32-bit/384kHz audio -Tuned by AKG |
Other features
| Sensors | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer | - Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | |
| Other extras |
- -ANT+ - Fast battery charging - Samsung Pay -IP68 dust/water proof (up to 1.5m for 30 mins) |
- Samsung DeX, Samsung Wireless DeX (desktop experience support) -ANT+ -Bixby natural language commands and dictation - Fast charging 25W -USB Power Delivery 3.0 -Fast Qi/PMA wireless charging 15W -Reverse wireless charging 4.5W - Samsung Pay (Visa, MasterCard certified) -IP68 dust/water resistant (up to 1.5m for 30 mins) |
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| Versions |
- 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: SM-G991B, SM-G991B/DS (International); SM-G991U (USA); SM-G991U1 (USA unlocked); SM-G991W (Canada); SM-G991N (Korea); SM-G9910 (China) |
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