Samsung Galaxy A02 vs Samsung Galaxy A21 Comparison and Differences
Smartphone 1
Samsung Galaxy A02
Smartphone 2
Samsung Galaxy A21
Smartphone 3
Samsung Galaxy A02 or Samsung Galaxy A21 Specs Comparison
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Common specs
| Brand and model | Samsung Galaxy A02 | Samsung Galaxy A21 | |
| Rating | (+0) | (+0) | |
| Release date | 2021, January 27 | 2020, April 8 | |
| Dimensions (HxWxD) | 164 x 75.9 x 9.1 mm | 6.46 x 6.46 x 2.99 in | 167.8 x 76.7 x 8.1 mm | 6.61 x 6.61 x 3.02 in | |
| Weight | 206 g | 7.27 oz | 193 g | 6.81 oz | |
| Body Build | Glass front, plastic back, plastic frame | Glass front, plastic back, plastic frame | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Black, Blue | Black | |
| Battery | 5000 mAh, Li-Po, non-removable | 4000 mAh, Non-removable Li-Po | |
| Approximate price | $ 140 | 199 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | PLS IPS | IPS LCD | |
| 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 | 81.9% | 79.3% | |
| Screen resolution | 720 x 1600 px | 720 x 1600 px | |
| Screen PPI /points per inch/ | 270 PPI | 270 PPI | |
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 13 MP, Dual | 16 MP, Quad | |
| Camera specs | -13 MP, f/1.9, (wide), AF -2 MP, f/2.4, (macro) |
-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) |
|
| Functions | LED flash | LED flash, panorama, HDR | |
| Video | 1080p@30fps | 1080p@30fps | |
| Front camera, selfie | 5 MP, Single | 13 MP, Single | |
| Specifications | 5 MP, f/2.0 | 13 MP, f/2.0, (wide) | |
| Video | 1080p@30fps |
Performance
| Operating system - OS | Android 10, One UI 2.0 | Android 10.0; One UI 2.0 | |
| Chipset | - Mediatek MT6739W (28 nm) | ||
| CPU | - Quad-core 1.5 GHz Cortex-A53 | - Octa-core (4x2.3 GHz & 4x1.8 GHz) | |
| GPU | PowerVR GE8100 | ||
| External memory | microSDXC (dedicated slot) | microSDXC (dedicated slot) | |
| Internal memory | 32GB 2GB RAM, 32GB 3GB RAM, 64GB 3GB RAM | 32GB 3GB RAM |
Benchmark
| Antutu 8 Total | 50006 | 102874 | |
| GeekBench 5 Single Core | 723 | 193 | |
| GeekBench 5 Multi-Core | 3812 | 975 | |
| 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 model only) -3G - HSDPA 850 / 900 / 2100 -4G - 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
-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 |
|
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, 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 | Yes, with A-GPS, GLONASS, BDS | |
| NFC | No | Yes (market/region dependent) | |
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector | |
| Bluetooth | 5.1, A2DP, LE | 5.0, A2DP, LE | |
| Harmful irradiation |
SAR EU - 0.65 W/kg (head) 1.71 W/kg (body) |
SAR - 1.27 W/kg (head) 0.60 W/kg (body) |
Music and Audio
| Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes |
Other features
| Sensors | - Accelerometer, proximity | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
| Other extras |
- Fast charging 15W |
Reviews and Opinions on Samsung Galaxy A02 and Samsung Galaxy A21
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