Samsung Galaxy S9 vs Samsung Galaxy A21s 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 A21s |
Released
·
Mar 16, 2018
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Released
·
Jun 19, 2020
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5.8-inch · 2960x1440px
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6.5-inch · 1600x720px
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Single camera
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Quad camera
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4GB · 64GB
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3GB · 32GB
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3000 mAh
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5000 mAh
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Check prices |
Design
Dimensions | |
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5.81 x 2.70 x 0.33 inches 147.7 x 68.7 x 8.5 mm |
6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm |
Weight | |
5.75 oz (163.0 g) | 6.77 oz (192.0 g) |
Materials | |
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum |
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Resistance | |
Water, Dust; IP68 | |
Biometrics | |
Iris scanner, 2D Face unlock, Fingerprint (touch) | 2D Face unlock, Fingerprint (touch) |
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 | Black, White, Blue, Red |
Display
Size | |
---|---|
5.8-inch | 6.5-inch |
Resolution | |
2960x1440px, 18.5:9 ratio, 568 PPI | 1600x720px, 20:9 ratio, 270 PPI |
Technology | |
Super AMOLED | TFT |
Screen-to-body | |
84.36 % | 82.94 % |
Features | |
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor | Proximity sensor |
Hardware
System chip | |
---|---|
Qualcomm Snapdragon 845 SDM845 (10 nm) | Samsung Exynos 850 |
Processor | |
Octa-core 2800 MHz Kryo 385 |
Octa-core 8x 2.0GHz Cortex-A55 |
GPU | |
Adreno 630 | Mali-G76 |
RAM | |
4GB (LPDDR4) | 3GB (LPDDR4) |
Internal storage | |
64GB | 32GB (eMMC 5.1), available to use: 19.5 GB |
Storage expansion | |
microSDXC up to 400 GB | microSDXC up to 512 GB |
OS | |
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI | Android (10), Samsung One UI |
Battery
Capacity | |
---|---|
3000 mAh | 5000 mAh |
Type | |
Li - Ion | Li - Polymer |
Charging | |
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging | Fast charging |
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
Untested
Browsing
Untested
Video
11h 9min
Gaming
7h 48min
Camera
Rear | |
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Single camera | Quad camera |
Main camera | |
12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Sensor size: 1/2.55" Pixel size: 1.4 μm |
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm |
Second camera | |
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm |
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Third camera | |
2 MP (Macro) Aperture size: F2.4 |
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Fourth camera | |
2 MP (Depth information) Aperture size: F2.4 |
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Flash | |
LED | LED |
Video recording | |
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing |
1920x1080 (Full HD) (30 fps) |
Front | |
8 MP (Autofocus, HDR), Video capture: 2560x1440 (QHD) (30 fps) | 13 MP, Video capture: 1920x1080 (Full HD) |
Connectivity & Features
Bluetooth | |
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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 |
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 |
Other | |
NFC, ANT+ | NFC |
Multimedia
Headphones | |
---|---|
3.5mm jack | 3.5mm jack |
Speakers | |
Earpiece, Multiple speakers | Earpiece, Loudspeaker |
Features | |
32-Bit DAC, aptX-HD | |
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), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT) |
4G (TDD) | |
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46 | Bands 38(2600), 40(2300), 41(2600+) |
3G | |
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100) | Bands 1(2100), 2(1900), 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 |
Dual SIM | |
Yes | |
SIM type | |
Nano SIM | Nano SIM |
Regulatory Approval
FCC approval | |
---|---|
Date approved: Jan 11, 2018 FCC ID value: A3LSMG960U | |
Measured SAR | |
Head: 0.35 W/kg Body: 0.96 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.95 W/kg |
Buyers information
MSRP | |
---|---|
$ 720 | € 240 |
Availability
Officially announced | |
---|---|
Feb 25, 2018 | May 15, 2020 |
Alternative variants
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 |
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 4GB RAM
RAM | 4GB |
---|---|
Internal storage | 64GB |
with Dual SIM
System chip | Samsung Exynos 9 9810 (10 nm) |
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Processor |
Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55 |
GPU | Mali-G72 MP18 |
Dual SIM | Yes |
with 6GB RAM
RAM | 6GB |
---|---|
Internal storage | 64GB |
with 256 GB storage
Internal storage | 256GB |
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MSRP | $ 820 |
with 128 GB storage
Internal storage | 128GB |
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MSRP | $ 770 |
Links
Full specifications | |
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Samsung Galaxy S9 Specs | Samsung Galaxy A21s Specs |
PhoneArena Review | |
Samsung Galaxy S9 Review | Samsung Galaxy A21s Review |
User Reviews | |
Samsung Galaxy S9 User Reviews |