Samsung Galaxy A21 vs Samsung Galaxy A51 Comparison and Differences
Smartphone 1
Samsung Galaxy A21
Smartphone 2
Samsung Galaxy A51
Smartphone 3
Samsung Galaxy A21 or Samsung Galaxy A51 Specs Comparison
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Common specs
| Brand and model | Samsung Galaxy A21 | Samsung Galaxy A51 | |
| Rating | (+0) | (+0) | |
| Release date | 2020, April 8 | 2019, December | |
| Dimensions (HxWxD) | 167.8 x 76.7 x 8.1 mm | 6.61 x 6.61 x 3.02 in | 158.5 x 73.6 x 7.9 mm | 6.24 x 6.24 x 2.9 in | |
| Weight | 193 g | 6.81 oz | 172 g | 6.07 oz | |
| Body Build | Glass front, plastic back, plastic frame | Glass front (Gorilla Glass 3), plastic back, plastic frame | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Black | Prism Crush Black, White, Blue, Pink | |
| Battery | 4000 mAh, Non-removable Li-Po | 4000 mAh, Non-removable Li-Po | |
| Battery life |
Talking time - Up to 32 h (3G) Music play - Up to 87 h |
||
| Approximate price | 199 EUR | $280 | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | IPS LCD | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.5" in | 6.5" in | |
| Screen area | 102.0 cm2 | 102.0 cm2 | |
| Screen format | 20:9 (height:width) | 20:9 (height:width) | |
| Screen to body ratio | 79.3% | 87.4% | |
| Screen resolution | 720 x 1600 px | 1080 x 2400 px | |
| Screen PPI /points per inch/ | 270 PPI | 405 PPI | |
| Screen protection | Corning Gorilla Glass 3 | ||
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 16 MP, Quad | 48 MP, Quad | |
| Camera specs | -16 MP, f/1.8, (wide), 1/3.06", 1.0µm, PDAF -8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm -2 MP, f/2.4, (macro) -2 MP, f/2.4, (depth) |
-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 |
|
| Functions | LED flash, panorama, HDR | LED flash, panorama, HDR | |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30/120fps; gyro-EIS | |
| DxOMark Main Score | 87 | ||
| DxOMark Photo | 90 | ||
| DxOMark Video | 86 | ||
| Front camera, selfie | 13 MP, Single | 32 MP, Single | |
| Specifications | 13 MP, f/2.0, (wide) | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm | |
| Functions | HDR | ||
| Video | 1080p@30fps | 1080p@30fps |
Performance
| Operating system - OS | Android 10.0; One UI 2.0 | Android 10.0; One UI 2 | |
| Chipset | - Exynos 9611 (10nm) | ||
| CPU | - Octa-core (4x2.3 GHz & 4x1.8 GHz) | - Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | |
| GPU | Mali-G72 MP3 | ||
| External memory | microSDXC (dedicated slot) | microSD, up to 1 TB (dedicated slot) | |
| Internal memory | 32GB 3GB RAM | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB 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 | 102874 | 138454 | |
| Antutu 7 Total | |||
| GeekBench 6 Single Core | 325 | ||
| GeekBench 6 Multi Core | 1031 | ||
| GeekBench 6 OpenCL | 761 | ||
| GeekBench 6 Vulkan | 1472 | ||
| GeekBench 5 Single Core | 193 | 264 | |
| GeekBench 5 Multi-Core | 975 | 1276 | |
| GeekBench 4 Single Core | 740 | ||
| GeekBench 4 Multi-Core | 4039 |
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 only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE |
-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) |
|
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE-A | |
| 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, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes (market/region dependent) | Yes | |
| USB | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | |
| Harmful irradiation | SAR - 1.27 W/kg (head) 0.60 W/kg (body) |
SAR - 0.80 W/kg (head) 0.67 W/kg (body) SAR EU - 0.37 W/kg (head) 1.59 W/kg (body) |
Music and Audio
| Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | |
| Others | - Active noise cancellation with dedicated mic |
Other features
| Sensors | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | - Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | |
| Other extras |
- Fast charging 15W |
- ANT+ - Fast battery charging 15W |
|
| Versions |
- Versions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia) |
Reviews and Opinions on Samsung Galaxy A21 and Samsung Galaxy A51
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