Samsung Galaxy S9 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 S9 | Samsung Galaxy S21 |
Released
·
Mar 16, 2018
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Released
·
Jan 29, 2021
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5.8-inch · 2960 x 1440 px
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6.2-inch · 2400 x 1080 px
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12 MP Main · 8 MP Selfie
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12 MP Main · 10 MP Selfie
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4GB · 64GB
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8GB · 128GB
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3000 mAh
|
4000 mAh
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Check prices | Check prices |
Display
Size | |
---|---|
5.8-inch | 6.2-inch |
Resolution | |
2960 x 1440 px, 18.5:9 ratio, 568 PPI | 2400 x 1080 px, 20:9 ratio, 424 PPI |
Technology | |
Super AMOLED | Dynamic AMOLED |
Refresh rate | |
120Hz (adaptive) | |
Screen-to-body | |
84.36 % | 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, 64-bit | Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit |
GPU | |
Adreno 630 | Adreno 660 |
RAM | |
4GB (LPDDR4) | 8GB (LPDDR5) |
Internal storage | |
64GB | 128GB (UFS 3.0), not expandable |
Storage expansion | |
microSDXC up to 400 GB | |
OS | |
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI | Android (13, 12, 11), Samsung One UI |
Device type | |
Smartphone | Smartphone |
Battery
Capacity | |
---|---|
3000 mAh | 4000 mAh |
Type | |
Li - Ion, Not user replaceable | Li - Polymer, Not user replaceable |
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 |
Max charge speed | |
Wired: 25.0W Wireless: 15.0W |
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 | |
---|---|
Single camera | Triple camera |
Main camera | |
12 MP (OIS, PDAF) Specifications: Aperture size: F1.5/F2.4 Sensor size: 1/2.55" Pixel size: 1.4 μm |
12 MP (OIS, PDAF) Specifications: Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm |
Second camera | |
64 MP (Telephoto, OIS, PDAF) Specifications: Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm |
|
Third camera | |
12 MP (Ultra-wide, Autofocus) Specifications: Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm |
|
Flash | |
LED | LED |
Video recording | |
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) Features: HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing |
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) Features: OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS |
Front | |
8 MP (Autofocus, HDR), Video capture: 2560x1440 (QHD) (30 fps) | 10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) |
Design
Dimensions | |
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5.81 x 2.70 x 0.33 inches (147.7 x 68.7 x 8.5 mm) |
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm) |
Weight | |
5.75 oz(163.0 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 | |
Keys | |
Left: Volume control, Other; Right: Lock/Unlock key | Right: Volume control, Lock/Unlock key |
Colors | |
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue | Phantom pink, Violet, Gray, White |
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 |
Multimedia
Headphones | |
---|---|
3.5mm jack | No 3.5mm jack |
Speakers | |
Earpiece, Multiple speakers | Earpiece, Multiple speakers |
Features | |
32-Bit DAC, aptX-HD | 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus |
Screen mirroring | |
Wireless screen share | Wireless screen share |
Radio | |
FM | FM, Stereo, RDS |
Additional microphone(s) | |
Noise cancellation | Noise cancellation, Video recording |
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 (reversible), USB 3.1, Features: Charging, OTG, Video out | Type-C (reversible), USB 3.2, Features: Charging, Headphones port, OTG, Video out |
Hearing aid compatible | |
M3/T3 | |
Location | |
GPS, A-GPS, Glonass, Galileo, BeiDou | 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+ |
Regulatory Approval
FCC approval | |
---|---|
Date approved: Jan 11, 2018 FCC ID value: A3LSMG960U | Date approved: Dec 08, 2020 FCC ID value: A3LSMG991U |
Measured SAR | |
Head: 0.35 W/kg Body: 0.96 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.95 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 | |
---|---|
$ 720 | $ 800 |
In The Box | |
C to C Data Cable, Ejection Pin |
Availability
Officially announced | |
---|---|
Feb 25, 2018 | Jan 14, 2021 |
Alternative variants
International version
System chip | Samsung Exynos 9 9810 (10 nm) |
---|---|
Processor | Octa-core, 2900 MHz, Exynos M3 and ARM Cortex-A55, 64-bit |
GPU | Mali-G72 MP18 |
FCC approval |
Date approved: Dec 27, 2017 FCC ID value: A3LSMG960F |
Measured SAR |
Head: 0.26 W/kg Body: 1.00 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.04 W/kg |
with 256GB storage
Internal storage | 256GB |
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with Dual SIM
System chip | Samsung Exynos 9 9810 (10 nm) |
---|---|
Processor | Octa-core, 2900 MHz, Exynos M3 and ARM Cortex-A55, 64-bit |
GPU | Mali-G72 MP18 |
Dual SIM | Yes |
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, 64-bit |
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 |
with 256 GB storage
Internal storage | 256GB |
---|---|
MSRP | $ 820 |
with 128 GB storage
Internal storage | 128GB |
---|---|
MSRP | $ 770 |
Links
Full specifications | |
---|---|
Samsung Galaxy S9 Specs | Samsung Galaxy S21 Specs |
PhoneArena Review | |
Samsung Galaxy S9 Review | Samsung Galaxy S21 Review |
User Reviews | |
Samsung Galaxy S9 User Reviews | Samsung Galaxy S21 User Reviews |