Samsung Galaxy S21 5G vs Samsung Galaxy S2 Comparison and Differences
Smartphone 1
Samsung Galaxy S21 5G
Smartphone 2
Samsung Galaxy S2
Smartphone 3
Samsung Galaxy S21 5G or Samsung Galaxy S2 Specs Comparison
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Common specs
| Brand and model | Samsung Galaxy S21 5G | Samsung Galaxy S2 | |
| Rating | (+0) | (+0) | |
| Release date | 2021, January 14 | 2011, February | |
| Dimensions (HxWxD) | 151.7 x 71.2 x 7.9 mm | 5.97 x 5.97 x 2.8 in | 125.3 x 66.1 x 8.5 mm | 4.93 x 4.93 x 2.6 in | |
| Weight | 169 g | 5.96 oz | 116 g | 4.09 oz | |
| Body Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame | Plastic body | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink | Black, White, Pink | |
| Battery | 4000 mAh, Li-Ion, non-removable | 1650 mAh, Removable Li-Ion | |
| Battery life |
Stand by time - Up to 710 h (2G) / Up to 610 h (3G) Talking time - Up to 18 h 20 min (2G) / Up to 8 h 40 min (3G) |
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| Approximate price | $ 800 | 170 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | Dynamic AMOLED 2X | Super AMOLED Plus | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.2" in | 4.3" in | |
| Screen area | 94.1 cm2 | 52.6 cm2 | |
| Screen format | 20:9 (height:width) | 5:3 (height:width) | |
| Screen to body ratio | 87.2% | 63.5% | |
| Screen resolution | 1080 x 2400 px | 480 x 800 px | |
| Screen PPI /points per inch/ | 421 PPI | 217 PPI | |
| Screen protection | Corning Gorilla Glass Victus | Corning Gorilla Glass | |
| Other specs | - Always-on display -120Hz -HDR10+ -1300 nits (peak) |
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| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 12 MP, Triple | 8 MP, Single | |
| Camera specs | -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 |
-8 MP, f/2.6, 1/3.2'', AF | |
| Functions | LED flash, auto-HDR, panorama | LED flash | |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | 1080p@30fps | |
| DxOMark Main Score | 116 | ||
| DxOMark Photo | 123 | ||
| DxOMark Video | 93 | ||
| Front camera, selfie | 10 MP, Single | 2 MP, Single | |
| Specifications | 10 MP, f/2.2, 26mm (wide), 1/3.24'', 1.22µm, Dual Pixel PDAF | 2 MP | |
| Functions | Dual video call, Auto-HDR | ||
| Video | 4K@30/60fps, 1080p@30fps | ||
| DxOMark Selfie Score | 98 | ||
| DxOMark Photo | 100 | ||
| DxOMark Video | 95 |
Performance
| Operating system - OS | Android 11, One UI 3.1 | Android 2.3.4 (Gingerbread), upgradable to 4.1 (Jelly Bean); TouchWiz UI 4 | |
| Chipset | - Exynos 2100 (5 nm) - Qualcomm SM8350 Snapdragon 888 (5 nm) - USA/China |
- Exynos 4210 Dual (45 nm) | |
| CPU | - 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 |
- Dual-core 1.2 GHz Cortex-A9 | |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
Mali-400MP4 | |
| External memory | No | microSD, up to 32 GB (dedicated slot) | |
| Internal memory | 128GB 8GB RAM, 256GB 8GB RAM | 16/32 GB, 1 GB 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 | 601547 | ||
| Antutu 7 Total | |||
| GeekBench 5 Single Core | 945 | ||
| GeekBench 5 Multi-Core | 3061 | ||
| GeekBench 4 Single Core | 415 | ||
| GeekBench 4 Multi-Core | 639 | ||
| GeekBench 4 RenderScript | 346 |
Communication and Connectivity
| SIM card | Single SIM (Nano-SIM and/or eSIM)Dual SIM (Nano-SIM and/or eSIM, dual stand-by) | Mini-SIM | |
| Network | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / HSPA | |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE -5G - SA/NSA/Sub6/mmWave |
-2G - GSM 850 / 900 / 1800 / 1900 |
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| Speed | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | HSPA 21.1/5.76 Mbps | |
| GPRS | Yes | Class 12 | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS | |
| NFC | Yes | Optional | |
| USB | USB Type-C 3.2, USB On-The-Go | microUSB 2.0 (MHL TV-out), USB Host | |
| Bluetooth | 5.0, A2DP, LE | 3.0, A2DP, aptX | |
| Harmful irradiation |
SAR - 0.74 W/kg (head) 1.08 W/kg (body) SAR EU - 0.46 W/kg (head) 1.51 W/kg (body) |
SAR - 0.16 W/kg (head) 0.96 W/kg (body) SAR EU - 0.34 W/kg (head) |
Music and Audio
| Radio | FM radio (Snapdragon only) | Stereo FM radio, RDS | |
| Headphone jack | No | Yes | |
| Others | - 32-bit/384kHz audio -Tuned by AKG |
- Active noise cancellation with dedicated mic |
Other features
| Sensors | - Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | - Accelerometer, gyro, proximity, compass | |
| Other extras |
- 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: SM-G991B, SM-G991B/DS (International); SM-G991U (USA); SM-G991U1 (USA unlocked); SM-G991W (Canada); SM-G991N (Korea); SM-G9910 (China) |
Reviews and Opinions on Samsung Galaxy S21 5G and Samsung Galaxy S2
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