Samsung Galaxy Note 9 vs Note 20 Ultra

Here we compared two flagship smartphones: the 6.4-inch Samsung Galaxy Note 9 (with Exynos 9 Octa 9810) that was released on August 9, 2018, against the Samsung Galaxy Note 20 Ultra, which is powered by Exynos 990 and came out 2 years and 1 month after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy Note 9
  • Includes a 3.5 mm headphone audio jack port
Reasons to consider the Samsung Galaxy Note 20 Ultra
  • Higher display refresh rate – 120 Hz
  • The rear camera has a 5x optical zoom
  • Better camera quality (According to DxOMark rating)
  • 51% better performance in AnTuTu Benchmark (918K versus 606K)
  • Delivers 55% higher peak brightness (1025 against 663 nits)
  • Newer Bluetooth version (v5.1)
  • Has a 0.5 inch larger screen size
  • More recent OS version: Android 13 versus 10
  • Uses a faster type of memory: LPDDR5 2750 MHz
  • Compatible with Wi-Fi 6 wireless networks
  • Thinner bezels – 7.8% more screen real estate
  • Supports higher wattage charging (25W versus 15W)
  • The phone is 2 years and 1 month newer

Review

Evaluation of Samsung Galaxy Note 9 and Note 20 Ultra crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
NanoReview Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate NanoReview Score
📱 Primary usage:

Value for money (Beta)

Should I update?
No 66% Yes
Yes, we think most users will notice the upgrade.
Updating from Samsung Galaxy Note 9 to Samsung Galaxy Note 20 Ultra makes sense and should feel noticeably better in daily use.
Main improvements: display, performance, and camera.

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Super AMOLED Dynamic AMOLED
Size 6.4 inches 6.9 inches
Resolution 1440 x 2960 pixels 1440 x 3088 pixels
Aspect ratio 18.5:9 19.5:9
PPI 514 ppi 496 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (10-120 Hz)
Max rated brightness 520 nits 600 nits
HDR support Yes, HDR10 Yes, HDR10+
Screen protection Corning Gorilla Glass 5 Gorilla Glass Victus
Screen-to-body ratio 84% 91.8%
Display features - Always-On Display - DCI-P3
- Always-On Display
Display tests
RGB color space 144.6% 96.9%
PWM 227 Hz 245 Hz
Response time 8 ms 6 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
Galaxy Note 20 Ultra
6.9″ (19.5:9 ratio) = 18.1 in2
Galaxy Note 9
6.4″ (18.5:9 ratio) = 16.1 in2
~12% more screen space
Peak brightness test (auto)
663 nits
1025 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 161.9 mm (6.37 inches) 164.8 mm (6.49 inches)
Width 76.4 mm (3.01 inches) 77.2 mm (3.04 inches)
Thickness 8.8 mm (0.35 inches) 8.1 mm (0.32 inches)
Weight 201 g (7.09 oz) 208 g (7.34 oz)
Waterproof IP68 IP68
Advanced cooling - Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Blue, Brown White, Black, Brown
Fingerprint scanner Yes, rear Yes, in-display
Screen-to-body ratio

Performance

Chipset specifications of Samsung Galaxy Note 9 and Samsung Galaxy Note 20 Ultra
SoC
Chipset Samsung Exynos 9 Octa 9810 Samsung Exynos 990
Max clock 2700 MHz 2730 MHz
CPU cores 8 (4 + 4) 8 (2 + 2 + 4)
Architecture - 4 cores at 1.9 GHz: Cortex-A55
- 4 cores at 2.9 GHz: Exynos M3
- 4 cores at 2 GHz: Cortex-A55
- 2 cores at 2.5 GHz: Cortex-A76
- 2 cores at 2.73 GHz: Exynos M5
L3 cache - 2 MB
Manufacturing Samsung Samsung
Lithography process 10 nanometers 7 nanometers
Neural processor (NPU) Yes Yes
GPU
Graphics Mali-G72MP18 Mali-G77 MP11
GPU shading units 216 352
GPU clock 572 MHz 832 MHz
FLOPS ~247.1 GFLOPS ~585.7 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy Note 9 and Samsung Galaxy Note 20 Ultra
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
Compute Score (GPU) 4340 5261
Single-core score 683 1222
Multi-core score 1853 3060
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
606593
918508
CPU 246972 368930
GPU 93460 162695
Memory 127081 168589
UX 139080 218294
Total score 606593 918508
Samples [4 tests] [6 tests]
3DMark Steel Nomad Light
Stability - 74%
Graphics test - 2 FPS
Graphics score - 307
3DMark Wild Life Extreme
Stability - 71%
Graphics test - 8 FPS
Graphics score - 1407
Sources: 3DMark [5], [6]
PCMark 3.0
Web score 5745 10705
Video editing 5461 6884
Photo editing 9629 30928
Data manipulation 5819 8823
Writing score 6229 11422

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy Note 9
DateBenchmarkResult
📘 2026-06-16 (PatrickVN)AnTuTu606593
📘 2026-05-31 (Fermallow)GeekBench CPU676 / 2002
📘 2026-05-31 (Fermallow)AnTuTu629687
📘 2025-10-16 (Tuâns 🇻🇳)AnTuTu591549
📘 2025-10-11 (OnionTails)AnTuTu594285
Samsung Galaxy Note 20 Ultra
DateBenchmarkResult
📘 2026-07-16 (Vinny)AnTuTu746630
📘 2026-03-02 (Amir)AnTuTu529407
📘 2026-01-09 (WP69)AnTuTu944395
📘 2025-11-28 (K7)AnTuTu918508
📘 2025-11-15 (K7)AnTuTu699444

Memory

RAM
RAM size 6 GB 6 GB
Memory type LPDDR4X LPDDR5
Memory clock 1794 MHz 2750 MHz
Channels 2 -
Storage
Storage size 128 GB 128 GB
Storage type UFS 2.1 UFS 3.1
Memory card MicroSD MicroSD
Memory card max size Up to 512 GB Up to 1000 GB

Software

Operating system Android 8.1 (Can be upgraded to Android 10) Android 10 (Can be upgraded to Android 13)
ROM One UI 2.5 One UI 5.0
OS size 19 GB 34.7 GB
OS updates - 2 years
Security updates - 4 years

Battery

Capacity 4000 mAh 4500 mAh
Max charge power 15 W 25 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging Yes, Qi/PMA (15 W) Yes (15 W)
Reverse charging No Yes, (wireless)
Fast charging Yes, Samsung Adaptive Fast Charge (50% in 35 min) Yes (43% in 30 min)
Full charging time 1:40 hr 1:20 hr
Battery life tests
Web browsing 07:31 hr 07:27 hr
Watching video 11:36 hr 12:33 hr
Gaming 05:01 hr 05:16 hr
Standby 96 hr 81 hr
General battery life
19:26 hr

Main camera

Matrix 12 megapixels 108 megapixels
Image resolution 4000 x 3000 12000 x 9000
Zoom Optical, 2x Optical, 5x
Flash Dual LED LED
Stabilization Optical Optical
8K video recording No 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°
Lenses 1) Standard: 12 MP
2) Telephoto: 12 MP
1) Standard: 108 MP
2) Telephoto: 12 MP
3) Ultrawide: 12 MP
4) Depth: 0.3 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 12 MP 108 MP
Aperture f/1.5 - 2.4 f/1.8
Focal length 26 mm 26 mm
Sensor Samsung SAK2L3 Samsung Bright S5KHM1
Sensor size 1/2.55" (≈ 0.39 inch) 1/1.33" (≈ 0.75 inch)
Pixel size 1.4 micron 0.8 micron
Autofocus Phase autofocus (Dual Pixel) Laser autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 12 MP 12 MP
Aperture f/2.4 f/3.0
Focal length 52 mm 103 mm
Sensor Samsung Samsung S5K3M5
Sensor size 1/3.4" (≈ 0.29 inch) 1/3.4" (≈ 0.29 inch)
Pixel size 1 micron 1 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution - 12 MP
Aperture - f/2.2
Focal length - 13 mm
Sensor - Samsung S5K2L3
Sensor size - 1/2.55" (≈ 0.39 inch)
Pixel size - 1.4 micron
Stabilization - Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Samples Photo samples of Samsung Galaxy Note 9 from DxOMark Photo samples of Samsung Galaxy Note 20 Ultra from DxOMark

Selfie camera

Megapixels 8 megapixels 10 megapixels
Image resolution 3264 x 2448 3872 x 2592
Aperture f/1.7 f/2.2
Focal length 25 mm 26 mm
Sensor Samsung S5K3H1 Sony IMX374
Sensor size 1/3.6" (≈ 0.28 inch) 1/3.2" (≈ 0.31 inch)
Pixel size 1.22 micron 1.22 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1440p at 30 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.1
Bluetooth features PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 3.1 3.2
USB features - Charging
- USB-Storage 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* No Yes
Hybrid slot Yes Yes
LTE Cat* 18 20
5G support No Yes

Sound

Speakers Stereo Stereo
Headphone audio jack Yes No
FM radio No Yes
Dolby Atmos Yes Yes
Speakers test
Max loudness
71.6 dB
88.8 dB

Other

Category Flagship Flagship
Announced August 2018 August 2020
Release date August 2018 August 2020
Launch price (MSRP) $1000 $1299
Successor - Samsung Galaxy Note 20 Ultra -
SAR (head) 0.381 W/kg 0.319 W/kg
SAR (body) 1.509 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

After analyzing all the data, we think that the Samsung Galaxy Note 20 Ultra is definitely a better buy.

Cast your vote

So, which phone would you choose?
133 (57.8%)
97 (42.2%)
Total votes: 230

User opinions

You can share your opinion or ask a question in the comments below
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Avatar
Wesley September 8, 2023 at 11:19 AM
In my personal experience, the Note 9 performs as well as the Note 20 or S21 for my use. Had my Note 9 since its release. Still use it daily without issues except of course the discontinued updates. For the money Note 9 is a good option.
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