Cubot Note 21 vs Samsung Galaxy S21 Ultra 5G Comparison and Differences
Smartphone 1

Cubot Note 21
Smartphone 2

Samsung Galaxy S21 Ultra 5G
Smartphone 3
Cubot Note 21 or Samsung Galaxy S21 Ultra 5G Specs Comparison
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Common specs
Brand and model | Cubot Note 21 | Samsung Galaxy S21 Ultra 5G | |
Rating | 0) | (+0) | (+|
Release date | 2023, August 24 | 2021, January 14 | |
Dimensions (HxWxD) | 165.8 x 75.9 x 10.6 mm | 6.53 x 6.53 x 2.99 in | 165.1 x 75.6 x 8.9 mm | 6.5 x 6.5 x 2.98 in | |
Weight | 214 g | 7.55 oz | 227 g | 8.01 oz | |
Body Build | Glass front, plastic frame, plastic back | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame | |
Case | buy from Amazon | buy from Amazon | |
Colors | Black, Orange, Green | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown | |
Battery | 5200 mAh, Li-Ion, non-removable | 5000 mAh, Li-Ion, non-removable | |
Approximate price | $ 140.61 | $ 960 | |
Check price | from Amazon | from Amazon |
Screen
Technology | IPS LCD | Dynamic AMOLED 2X | |
Touchscreen | capacitive touchscreen | capacitive touchscreen | |
Display colors | 16M | 16M | |
Screen size | 6.56" in | 6.8" in | |
Screen area | 103.4 cm2 | 112.1 cm2 | |
Screen format | 20:9 (height:width) | 20:9 (height:width) | |
Screen to body ratio | 82.2% | 89.8% | |
Screen resolution | 720 x 1612 px | 1440 x 3200 px | |
Screen PPI /points per inch/ | 269 PPI | 515 PPI | |
Screen protection | Corning Gorilla Glass Victus | ||
Other specs | - 90Hz - |
- Always-on display -120Hz -HDR10+ -1500 nits (peak) |
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Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
Rear camera, main | 50 MP, Dual | 108 MP, Quad | |
Camera specs | -50 MP, (wide), PDAF -2 MP, (macro) |
-108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS -10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom -10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom -12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
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Functions | LED flash | LED flash, auto-HDR, panorama | |
Video | 1080p@30fps | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | |
DxOMark Main Score | 121 | ||
DxOMark Photo | 128 | ||
DxOMark Video | 98 | ||
Front camera, selfie | 8 MP, Single | 40 MP, Single | |
Specifications | 8 MP | 40 MP, f/2.2, 26mm (wide), 1/2.8'', 0.7µm, PDAF | |
Functions | Dual video call, Auto-HDR | ||
Video | Yes | 4K@30/60fps, 1080p@30fps | |
DxOMark Selfie Score | 101 | ||
DxOMark Photo | 104 | ||
DxOMark Video | 95 |
Performance
Operating system - OS | Android 13 | Android 11, One UI 3.1 | |
Chipset | - Unisoc T606 (12 nm) | - Exynos 2100 (5 nm) - Qualcomm SM8350 Snapdragon 888 (5 nm) - USA/China |
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CPU | - Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55) | - 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 |
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GPU | Mali-G57 MP1 | Mali-G78 MP14 - International Adreno 660 - USA/China |
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External memory | microSDXC (uses shared SIM slot) | No | |
Internal memory | 128GB 6GB RAM | 128GB 12GB RAM, 256GB 12GB RAM, 512GB 16GB RAM |
Benchmark
Antutu 10 Total | 744835 | ||
Antutu 10 CPU | 199654 | ||
Antutu 10 GPU | 229735 | ||
Antutu 10 Mem | 150252 | ||
Antutu 10 UX | 199654 | ||
Antutu 9 Total | 183590 | ||
Antutu 8 Total | 638987 | ||
GeekBench 5 Single Core | 342 | 960 | |
GeekBench 5 Multi-Core | 1254 | 3177 |
Communication and Connectivity
SIM card | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM and/or eSIM)Dual SIM (Nano-SIM and/or eSIM, dual stand-by) | |
Network | GSM / HSPA / LTE | GSM / CDMA / HSPA / EVDO / LTE / 5G | |
Bands | -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 41 |
-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 |
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Speed | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | |
GPRS | Yes | Yes | |
Edge | Yes | Yes | |
Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot | |
GPS | GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO | |
NFC | No | Yes | |
USB | USB Type-C, OTG | USB Type-C 3.2, USB On-The-Go | |
Bluetooth | 5.0, A2DP, LE | 5.2, A2DP, LE | |
Harmful irradiation |
SAR - 0.77 W/kg (head) 1.02 W/kg (body) SAR EU - 0.77 W/kg (head) 1.02 W/kg (body) |
Music and Audio
Radio | No | FM radio (Snapdragon only) | |
Headphone jack | No | No | |
Others | - 32-bit/384kHz audio -Tuned by AKG |
Other features
Sensors | - Accelerometer, proximity, compass | - Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | |
Other extras |
- 10W Fast charging |
- 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) -Ultra Wideband (UWB) support -IP68 dust/water resistant (up to 1.5m for 30 mins) -Stylus support |
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Versions |
- Versions: SM-G998B, SM-G998B/DS (International); SM-G998U (USA); SM-G998U1 (USA unlocked); SM-G998W (Canada); SM-G998N (Korea); SM-G9980 (China) |
Reviews and Opinions on Cubot Note 21 and Samsung Galaxy S21 Ultra 5G
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