Samsung Galaxy Note9 vs Samsung Galaxy A21 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 A21 |
Released
·
Aug 24, 2018
|
Released
·
Jun 29, 2020
|
6.4-inch
|
6.5-inch
|
Dual camera
|
Quad camera
|
6GB · 128GB
|
3GB · 32GB
|
4000 mAh
|
4000 mAh
|
Design
Dimensions | |
---|---|
6.37 x 3.01 x 0.35 inches 161.9 x 76.4 x 8.8 mm |
6.61 x 3.02 x 0.32 inches 167.8 x 76.7 x 8.1 mm |
Weight | |
7.09 oz (201.0 g) | 6.81 oz (193.0 g) |
Materials | |
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum |
Back: Plastic Frame: Plastic |
Resistance | |
Water, Dust; IP68 | |
Biometrics | |
Iris scanner, 2D Face unlock, Fingerprint (touch) | Fingerprint (touch) |
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 | Black |
Display
Size | |
---|---|
6.4-inch | 6.5-inch |
Resolution | |
2960x1440px, 18.5:9 ratio, 516 PPI | 1600x720px, 20:9 ratio, 270 PPI |
Technology | |
Super AMOLED | IPS LCD |
Refresh rate | |
60Hz | |
Screen-to-body | |
83.51 % | 79.20 % |
Features | |
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor | Ambient light sensor, Proximity sensor |
Hardware
System chip | |
---|---|
Qualcomm Snapdragon 845 SDM845 (10 nm) | Mediatek Helio P35 MT6765 (12 nm) |
Processor | |
Octa-core 2800 MHz Kryo 385 |
Octa-core 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53 |
GPU | |
Adreno 630 | PowerVR GE8320 |
RAM | |
6GB (LPDDR4) | 3GB (LPDDR4) |
Internal storage | |
128GB | 32GB (eMMC 5.1), available to use: 19.8 GB |
Storage expansion | |
microSDXC up to 512 GB | microSDXC up to 512 GB |
OS | |
Android (10, 9.0 Pie, 8.1 Oreo), Samsung One UI | Android (10), 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 | Fast charging |
Charge speed | |
Wired: 15.0W |
Camera
Rear | |
---|---|
Dual camera | Quad 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 |
16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 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 |
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm |
Third camera | |
2 MP (Macro) Aperture size: F2.4 |
|
Fourth camera | |
2 MP (Depth information) Aperture size: F2.4 |
|
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 |
1920x1080 (Full HD) (30 fps) |
Front | |
8 MP (Wide Angle, Autofocus), Video capture: 2560x1440 (QHD) (30 fps) | 13 MP, Video capture: 1920x1080 (Full HD) |
Connectivity & Features
Bluetooth | |
---|---|
5.0 | 5.0 |
WLAN | |
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot | 802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot |
USB | |
Type-C, USB 3.1 | Type-C, USB 2.0 |
Hearing aid compatible | |
M4/T3 | M4/T3 |
Location | |
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning |
Sensors | |
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer | Accelerometer, Gyroscope, Compass |
Other | |
NFC, ANT+ | NFC |
Multimedia
Headphones | |
---|---|
3.5mm jack | 3.5mm jack |
Speakers | |
Earpiece, Multiple speakers | Earpiece, Loudspeaker |
Features | |
32-Bit DAC, Dolby Atmos | |
Screen mirroring | |
Wireless screen share | Wireless screen share |
Radio | |
FM | |
Additional microphone(s) | |
Noise cancellation |
Cellular
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), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 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+) |
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 Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
SIM type | |
Nano SIM | Nano SIM |
HD Voice | |
Yes | Yes |
VoLTE | |
Yes |
Regulatory Approval
FCC approval | |
---|---|
Date approved: Jul 03, 2018 FCC ID value: A3LSMN960U | Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U |
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: 0.42 W/kg Body: 1.27 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.27 W/kg |
Buyers information
MSRP | |
---|---|
$ 1000 | $ 250 |
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. | This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer. |
Availability
Officially announced | |
---|---|
Aug 09, 2018 | Apr 08, 2020 |
Alternative variants
With 512 GB storage
RAM | 8GB |
---|---|
Internal storage | 512GB |
MSRP | $ 1250 |
for Verizon
4G (FDD) | Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT) |
---|---|
4G (TDD) | Bands 38(2600), 40(2300), 41(2600+) |
3G | Bands 5(850), 8(900), 2(1900), 1(2100) |
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 Sprint
4G (FDD) | Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600) |
---|---|
4G (TDD) | Bands 41(2600+) |
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) |
---|---|
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) |
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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) |
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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 | |
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Samsung Galaxy Note9 Specs | Samsung Galaxy A21 Specs |
PhoneArena Review | |
Samsung Galaxy Note9 Review | |
User Reviews | |
Samsung Galaxy Note9 User Reviews | Samsung Galaxy A21 User Reviews |