Samsung Galaxy Note9 vs Samsung Galaxy S21 Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| Samsung Galaxy Note9 | Samsung Galaxy S21 |
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Released
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Aug 24, 2018
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Released
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Jan 29, 2021
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6.4-inch · 2960x1440px
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6.2-inch · 2400x1080px
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Dual camera
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Triple camera
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6GB · 128GB
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8GB · 128GB
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4000 mAh
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4000 mAh
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| Check prices | Check prices |
Design
| Dimensions | |
|---|---|
| 6.37 x 3.01 x 0.35 inches 161.9 x 76.4 x 8.8 mm |
5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm |
| Weight | |
| 7.09 oz (201.0 g) | 6.03 oz (171.0 g) |
| Materials | |
| Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum | Back: Plastic Frame: Aluminum |
| Resistance | |
| Water, Dust; IP68 | Water, Dust; IP68 |
| Biometrics | |
| Iris scanner, 2D Face unlock, Fingerprint (touch) | 2D Face unlock, Ultrasonic in-screen fingerprint |
| Features | |
| Notification light, Stylus | |
| Keys | |
| Left: Volume control, Lock/Unlock key; Right: Other | Right: Volume control, Lock/Unlock key |
| Colors | |
| Midnight black, Ocean blue, Cloud silver, Lavender purple | Phantom pink, Violet, Gray, White |
Display
| Size | |
|---|---|
| 6.4-inch | 6.2-inch |
| Resolution | |
| 2960x1440px, 18.5:9 ratio, 516 PPI | 2400x1080px, 20:9 ratio, 424 PPI |
| Technology | |
| Super AMOLED | Dynamic AMOLED |
| Refresh rate | |
| 120Hz (adaptive) | |
| Screen-to-body | |
| 83.51 % | 86.06 % |
| Peak brightness | |
| 1300 cd/m2 (nit) | |
| Features | |
| HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor | HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor |
Hardware
| System chip | |
|---|---|
| Qualcomm Snapdragon 845 SDM845 (10 nm) | Qualcomm Snapdragon 888 (5 nm) |
| Processor | |
| Octa-core 2800 MHz Kryo 385 |
Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680 |
| GPU | |
| Adreno 630 | Adreno 660 |
| RAM | |
| 6GB (LPDDR4) | 8GB (LPDDR5) |
| Internal storage | |
| 128GB | 128GB (UFS 3.0) |
| Storage expansion | |
| microSDXC up to 512 GB | not expandable |
| OS | |
| Android (10, 9.0 Pie, 8.1 Oreo), Samsung One UI | Android (13, 12, 11), Samsung One UI |
Battery
| Capacity | |
|---|---|
| 4000 mAh | 4000 mAh |
| Type | |
| Li - Ion | Li - Polymer |
| Charging | |
| Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging | Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging |
| Charge speed | |
| Wired: 25.0W Wireless: 15.0W |
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Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
4h 28min
Browsing
7h 47min
Video
7h 36min
Gaming
7h 9min
Camera
| Rear | |
|---|---|
| Dual camera | Triple camera |
| Main camera | |
| 12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Focal length: 26 mm Sensor size: 1/2.55" Pixel size: 1.4 μm |
12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm |
| Second camera | |
| 12 MP (Telephoto, OIS, Autofocus) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 52 mm Sensor size: 1/3.4" Pixel size: 1 μm |
12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm |
| Third camera | |
| 64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm |
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| Flash | |
| LED | LED |
| Video recording | |
| 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, EIS | 7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS |
| Front | |
| 8 MP (Wide Angle, Autofocus), Video capture: 2560x1440 (QHD) (30 fps) | 10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 5.0 |
| Wi-Fi | |
| 802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot | 802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot |
| USB | |
| Type-C, USB 3.1 | Type-C, USB 3.2 |
| Hearing aid compatible | |
| M4/T3 | M3/T3 |
| Location | |
| GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer | Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer |
| Other | |
| NFC, ANT+ | NFC, ANT+ |
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | No 3.5mm jack |
| Speakers | |
| Earpiece, Multiple speakers | Earpiece, Multiple speakers |
| Features | |
| 32-Bit DAC, Dolby Atmos | 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus |
| Screen mirroring | |
| Wireless screen share | Wireless screen share |
| Radio | |
| FM, Stereo, RDS | |
| Additional microphone(s) | |
| Noise cancellation | Noise cancellation, Video recording |
Cellular
| 5G | |
|---|---|
| Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave | |
| 4G (FDD) | |
| Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600) | Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600) |
| 4G (TDD) | |
| Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46 | Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) |
| 3G | |
| Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100) | Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) |
| Data Speed | |
| LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA | LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS |
| SIM type | |
| Nano SIM | Nano SIM |
| HD Voice | |
| Yes | |
| VoLTE | |
| Yes | |
Regulatory Approval
| FCC approval | |
|---|---|
| Date approved: Jul 03, 2018 FCC ID value: A3LSMN960U | Date approved: Dec 08, 2020 FCC ID value: A3LSMG991U |
| Measured SAR | |
| Head: 0.27 W/kg Body: 0.76 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.35 W/kg Phablet: 3.90 W/kg |
Head: 0.36 W/kg Body: 1.08 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.09 W/kg Phablet: 2.49 W/kg |
Buyers information
| MSRP | |
|---|---|
| $ 1000 | $ 800 |
| In The Box | |
| S Pen, USB Cable, Earphones, SIM removal tool, USB power adaptor, USB connector, Pen, nibs, Tweezer, Clear cover case, Quick start guide, USB connector leaflet. | C to C Data Cable, Ejection Pin |
Availability
| Officially announced | |
|---|---|
| Aug 09, 2018 | Jan 14, 2021 |
Alternative variants
With 512 GB storage
| RAM | 8GB |
|---|---|
| Internal storage | 512GB |
| MSRP | $ 1250 |
with 256GB storage
| Internal storage | 256GB |
|---|---|
International version
| System chip | Samsung Exynos 9 9810 (10 nm) |
|---|---|
| Processor |
Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55 |
| GPU | Mali-G72 MP18 |
| 4G (FDD) | Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3) |
| 4G (TDD) | Bands 38(2600), 39(1900+), 40(2300), 41(2600+) |
| Dual SIM | Yes |
| Location | GPS, A-GPS, Glonass, Galileo, BeiDou |
| FCC approval |
Date approved: Jul 02, 2018 FCC ID value: A3LSMN960F |
| Measured SAR |
Head: 0.23 W/kg Body: 0.85 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.40 W/kg Phablet: 3.98 W/kg |
for Europe
| System chip | Samsung Exynos 2100 (5 nm) |
|---|---|
| Processor |
Octa-core 2900 MHz 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55 |
| GPU | Mali G78 MP14 |
| Weight | 5.96 oz (169.0 g) |
| 5G | Bands SA, NSA, Sub-6 |
| FCC approval |
Date approved: Dec 18, 2020 FCC ID value: A3LSMG991B |
| Measured SAR |
Head: 0.42 W/kg Body: 0.94 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.34 W/kg Phablet: 2.37 W/kg |
for Verizon
| 4G (FDD) | Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3) |
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| 3G | Bands 5(850), 8(900), 2(1900), 1(2100) |
for AT&T
| 4G (FDD) | Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3) |
|---|---|
for T-Mobile
| 4G (FDD) | Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 27(800 SMR), 66(AWS-3), 71(600) |
|---|---|
| 3G | Bands 5(850), 4(1700/2100), 2(1900), 1(2100) |
for Sprint
| 4G (FDD) | Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600) |
|---|---|
for U.S. Cellular
| 4G (FDD) | Bands 2(1900), 4(AWS-1), 5(850), 8(900), 12(700 a), 13(700 c), 18(800 Lower), 19(800 Upper), 25(1900+), 66(AWS-3), 71(600) |
|---|---|
| 4G (TDD) | Bands 38(2600), 39(1900+), 40(2300), 46 |
| 3G | Bands 5(850), 8(900), 2(1900), 1(2100) |
Links
| Full specifications | |
|---|---|
| Samsung Galaxy Note9 Specs | Samsung Galaxy S21 Specs |
| PhoneArena Review | |
| Samsung Galaxy Note9 Review | Samsung Galaxy S21 Review |
| User Reviews | |
| Samsung Galaxy Note9 User Reviews | Samsung Galaxy S21 User Reviews |
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