Samsung Galaxy S21 5G vs Google Pixel 4a Comparison and Differences
Smartphone 1

Samsung Galaxy S21 5G
Smartphone 2

Google Pixel 4a
Smartphone 3
Samsung Galaxy S21 5G or Google Pixel 4a Specs Comparison
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Common specs
Brand and model | Samsung Galaxy S21 5G | Google Pixel 4a | |
Rating | 0) | (+0) | (+|
Release date | 2021, January 14 | 2020, August 03 | |
Dimensions (HxWxD) | 151.7 x 71.2 x 7.9 mm | 5.97 x 5.97 x 2.8 in | 144 x 69.4 x 8.2 mm | 5.67 x 5.67 x 2.73 in | |
Weight | 169 g | 5.96 oz | 143 g | 5.04 oz | |
Body Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame | Glass front (Gorilla Glass 3), plastic back, plastic frame | |
Case | buy from Amazon | buy from Amazon | |
Colors | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink | Just Black | |
Battery | 4000 mAh, Li-Ion, non-removable | 3140 mAh, Non-removable Li-Po | |
Approximate price | $ 800 | 340 EUR | |
Check price | from Amazon | from Amazon |
Screen
Technology | Dynamic AMOLED 2X | OLED | |
Touchscreen | capacitive touchscreen | capacitive touchscreen | |
Display colors | 16M | 16M | |
Screen size | 6.2" in | 5.81" in | |
Screen area | 94.1 cm2 | 83.2 cm2 | |
Screen format | 20:9 (height:width) | 19.5:9 (height:width) | |
Screen to body ratio | 87.2% | 83.3% | |
Screen resolution | 1080 x 2400 px | 1080 x 2340 px | |
Screen PPI /points per inch/ | 421 PPI | 443 PPI | |
Screen protection | Corning Gorilla Glass Victus | Corning Gorilla Glass 3 | |
Other specs | - Always-on display -120Hz -HDR10+ -1300 nits (peak) |
- Always-on display -HDR |
|
Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
Rear camera, main | 12 MP, Triple | 12.2 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 |
-12.2 MP, f/1.7, 27mm (wide), 1/2.55'', 1.4µm, dual pixel PDAF, OIS | |
Functions | LED flash, auto-HDR, panorama | LED flash, Auto-HDR, panorama | |
Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | 4K@30fps, 1080p@30/60/120fps; gyro-EIS | |
DxOMark Main Score | 116 | 111 | |
DxOMark Photo | 123 | 122 | |
DxOMark Video | 93 | 98 | |
Front camera, selfie | 10 MP, Single | 8 MP, Single | |
Specifications | 10 MP, f/2.2, 26mm (wide), 1/3.24'', 1.22µm, Dual Pixel PDAF | 8 MP, f/2.0, 24mm (wide), 1.12µm | |
Functions | Dual video call, Auto-HDR | Auto-HDR | |
Video | 4K@30/60fps, 1080p@30fps | 1080p@30fps | |
DxOMark Selfie Score | 98 | ||
DxOMark Photo | 100 | ||
DxOMark Video | 95 |
Performance
Operating system - OS | Android 11, One UI 3.1 | Android 10 | |
Chipset | - Exynos 2100 (5 nm) - Qualcomm SM8350 Snapdragon 888 (5 nm) - USA/China |
- Qualcomm SDM730 Snapdragon 730G (8 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 |
- Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) | |
GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
Adreno 618 | |
External memory | No | No | |
Internal memory | 128GB 8GB RAM, 256GB 8GB RAM | 128GB 6GB 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 | 275320 | |
GeekBench 5 Single Core | 945 | 520 | |
GeekBench 5 Multi-Core | 3061 | 1489 |
Communication and Connectivity
SIM card | Single SIM (Nano-SIM and/or eSIM)Dual SIM (Nano-SIM and/or eSIM, dual stand-by) | Nano-SIM and/or eSIM | |
Network | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / HSPA / LTE | |
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 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 |
|
Speed | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/75 Mbps | |
GPRS | Yes | Yes | |
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/ac, dual-band, Wi-Fi Direct, DLNA, hotspot | |
GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, GALILEO, QZSS | |
NFC | Yes | Yes | |
USB | USB Type-C 3.2, USB On-The-Go | 3.1, Type-C 1.0 reversible connector | |
Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE, aptX HD | |
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) |
Music and Audio
Radio | FM radio (Snapdragon only) | ||
Headphone jack | No | Yes | |
Others | - 32-bit/384kHz audio -Tuned by AKG |
Other features
Sensors | - Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer | |
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) |
- Fast charging 18W -USB Power Delivery 2.0 |
|
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 Google Pixel 4a
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