Home > Smartphone comparison > Galaxy S21 Ultra vs Galaxy Note 20 Ultra – which one to choose?

Samsung Galaxy S21 Ultra vs Note 20 Ultra

Here we compared two flagship smartphones: the 6.8-inch Samsung Galaxy S21 Ultra (with Exynos 2100) that was released on January 14, 2021, against the Samsung Galaxy Note 20 Ultra, which is powered by Exynos 990 and came out 5 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S21 Ultra
  • The rear camera has a 10x optical zoom
  • Shows 14% longer battery life (114 vs 100 hours)
  • Newer Bluetooth version (v5.2)
  • Comes with 500 mAh larger battery capacity: 5000 vs 4500 mAh
  • 15% better performance in AnTuTu Benchmark (602K versus 522K)
  • More energy-efficient CPU – Exynos 2100
  • 16% faster in single-core GeekBench 5 test: 1089 and 938 points
Reasons to consider the Samsung Galaxy Note 20 Ultra
  • Expandable storage via MicroSD card up to 1000GB
  • Weighs 19 grams less

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED Dynamic AMOLED
Size 6.8 inches 6.9 inches
Resolution 1440 x 3200 pixels 1440 x 3088 pixels
Aspect ratio 20:9 20:9
PPI 515 ppi 496 ppi
Refresh rate 120 Hz 120 Hz
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Gorilla Glass Victus
Screen-to-body ratio 89.8% 91.7%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space - 96.9%
PWM - 245 Hz
Response time - 6 ms
Contrast - ∞ Infinity
Max. Brightness
Sources: NotebookCheck [1], [2]

Design and build

Height 165.1 mm (6.5 inches) 164.8 mm (6.49 inches)
Width 75.6 mm (2.98 inches) 77.2 mm (3.04 inches)
Thickness 8.9 mm (0.35 inches) 8.1 mm (0.32 inches)
Weight 227 gramm (8.01 oz) 208 gramm (7.34 oz)
Waterproof IP68 IP68
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Silver, Gray, Blue White, Black
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio

Performance

Tests of Samsung Galaxy S21 Ultra and Samsung Galaxy Note 20 Ultra in the benchmarks
SoC
Chipset Samsung Exynos 2100 Samsung Exynos 990
Max. clock 2840 MHz 2730 MHz
CPU cores 8 (1 + 3 + 4) 8 (2 + 2 + 4)
Architecture - 4 cores at 2.2 GHz: Cortex-A55
- 3 cores at 2.8 GHz: Cortex-A78
- 1 core at 2.9 GHz: Cortex-X1
- 4 cores at 2 GHz: Cortex-A55
- 2 cores at 2.5 GHz: Cortex-A76
- 2 cores at 2.73 GHz: Exynos M5
Lithography process 5 nanometers 7 nanometers
Graphics Mali-G78 MP14 Mali-G77 MP11
GPU clock 760 MHz 850 MHz
FLOPS - ~1196 GFLOPS
Memory
RAM size 12, 16 GB 8, 12 GB
Memory type LPDDR5 LPDDR5
Memory clock 2750 MHz 2750 MHz
Channels 2 -
Storage
Storage size 128, 256, 512 GB 256, 512 GB
Storage type UFS 3.1 UFS 3.1
Memory card No MicroSD
Memory card max. size - Up to 1000 GB

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 8
Best Smartphones in AnTuTu 8 (45th and 78th place)

Software

Operating system Android 11 Android 10 (Can be upgraded to Android 11)
ROM One UI 3.1 One UI 3.0
OS size 26.4 GB 34.7 GB

Battery

Specifications
Capacity 5000 mAh 4500 mAh
Charge power 25 W 25 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (15 W) Yes (15 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Fast charging Yes (54% in 30 min) Yes (43% in 30 min)
Full charging time 1:11 hr 1:20 hr

Battery life tests

Web browsing (Wi-Fi)
15:04 hr
Watching videos (Player)
17:53 hr
Talk (3G)
35:32 hr
Phones With Long Battery Life (51st and 124th place)

Camera

Specs and camera test of smartphones
Main camera
Matrix 108 megapixels 108 megapixels
Image resolution 12000 x 9000 12000 x 9000
Zoom Optical, 10x Optical, 5x
Flash Dual LED LED
Stabilization Optical Optical
8K video recording Up to 24FPS Up to 24FPS
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 240FPS
Slow motion 960 FPS (720p) 960 FPS (720p)
Angle of widest lens 120° 120°
Lenses 4 (108 MP + 10 MP + 10 MP + 12 MP) 4 (108 MP + 12 MP + 12 MP + 0.3 MP)
Wide (main) lens - 108 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.33", Samsung S5KHM3 (ISOCELL Plus CMOS)
- Laser autofocus
- Optical stabilization
- 108 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.33", Samsung Bright S5KHM1 (ISOCELL Plus CMOS)
- Laser autofocus
- Optical stabilization
Telephoto lens - 10 MP
- Aperture: f/4.9
- Focal length: 240 mm
- Pixel size: 1.22 micron
- Sensor: 1/2.65", Samsung S5K3J1 (ISOCELL CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
- 12 MP
- Aperture: f/3.0
- Focal length: 103 mm
- Pixel size: 1 micron
- Sensor: 1/3.4", Samsung S5K3M5 (ISOCELL CMOS)
- Phase autofocus
- Optical stabilization
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX563 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Samsung S5K2L3 (ISOCELL CMOS)
- Phase autofocus
Depth lens - - 0.3 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Samples Photo samples of Samsung Galaxy S21 Ultra from DxOMark Photo samples of Samsung Galaxy Note 20 Ultra from DxOMark
Selfie camera
Megapixels 40 megapixels 10 megapixels
Image resolution 7864 x 5200 3872 x 2592
Aperture f/2.2 f/2.2
Focal length 26 mm 26 mm
Pixel size 0.7 microns 1.22 microns
Sensor type ISOCELL CMOS CMOS
Sensor size 1/2.65" 1/3.2"
Video resolution 2160p (4K) при 60 FPS 2160p (4K) при 60 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.1
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo, NAVIC
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
Hybrid slot No Yes
LTE Cat* 24 20
5G support Yes -

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max. loudness

Other

Category Flagship Flagship
Announced January 2021 August 2020
Release date February 2021 August 2020
Launch price ~ 1375 USD ~ 1250 USD
SAR (head) 0.71 W/kg 0.319 W/kg
SAR (body) 1.58 W/kg 1.557 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

These smartphones have a lot in common, but we would recommend the Samsung Galaxy S21 Ultra. It has a better performance and battery life.

Cast your vote

So, which phone would you choose?
309 (36.7%)
534 (63.3%)
Total votes: 843

User opinions

You can share your opinion or ask a question in the comments below