Compare cell phones - smartphone specs comparison
Samsung Galaxy A21 vs Samsung Galaxy A51 : What is the Difference?
- Release Date: 2020, April 8 | 2019, December
- Dimensions: 167.8 x 76.7 x 8.1 mm | 158.5 x 73.6 x 7.9 mm
- Weight: 193 g | 172 g
- Screen: 6.5", IPS LCD | 6.5", Super AMOLED
- Main Camera: Quad, 16 MP | Quad, 48 MP
- Selfi Camera: Single, 13 MP | Single, 32 MP
- Memory: 32GB 3GB RAM | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
- Battery: 4000 mAh | 4000 mAh
- Headphone Jack: Yes | Yes
- Approximate price: 199 EUR | $280
Continue reading and check the table below for full detailed comparison of all phones specs .
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 Common features |
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|---|---|---|---|
| Brand and model | Samsung Galaxy A21 | Samsung Galaxy A51 | |
| Rating | (+1) | (+1) | |
| 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 | |
| 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 |
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| Approximate price | 199 EUR | $280 | |
 Screen |
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|---|---|---|---|
| Technology | IPS LCD | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.5" inc | 6.5" inc | |
| 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 | ||
 Camera and Video |
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|---|---|---|---|
| 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 |
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| 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 |
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|---|---|---|---|
| Operating system - OS | Android 10.0; One UI 2.0 | Android 10.0; One UI 2 | |
| Chipset | - Exynos 9611 (10nm) | ||
| Processor CPU | - Octa-core (4x2.3 GHz & 4x1.8 GHz) | - Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | |
| Graphics processor 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 | |
| Antutu 8 score | 102874 | 192677 | |
| Antutu 7 score | 155326 | ||
| GeekBench 5 Single Core | 193 | 322 | |
| GeekBench 5 Multi-Core | 975 | 1212 | |
| GeekBench 4 Single Core | 740 | ||
| GeekBench 4 Multi-Core | 4039 | ||
 Communication and Connectivity |
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|---|---|---|---|
| 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 | |
Show all network frequencies: |
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| 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) |
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 Music and Audio |
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|---|---|---|---|
| Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | |
| Others | - Active noise cancellation with dedicated mic | ||
 Other features |
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|---|---|---|---|
| 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 |
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| Versions |
- Versions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia) |
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Samsung Galaxy A21 vs Samsung Galaxy A51
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