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	Compare with Samsung Galaxy A9 (2018)	Compare with Samsung Galaxy A21s
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Samsung Galaxy A9 (2018)

Samsung Galaxy A21s

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66	1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed	HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps	HSPA, LTE

Launch
Announced	2018, October	2020, May 15
Status	Available. Released 2018, November	Available. Released 2020, June 02

Body
Dimensions	162.5 x 77 x 7.8 mm (6.40 x 3.03 x 0.31 in)	163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in)
3D size compare	Size up
Weight	183 g (6.46 oz)	192 g (6.77 oz)
Build	Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame	Glass front, plastic frame, plastic back
SIM	Nano-SIM + Nano-SIM	Nano-SIM Nano-SIM + Nano-SIM

Display
Type	Super AMOLED	PLS LCD
Size	6.3 inches, 100.2 cm2 (~80.1% screen-to-body ratio)	6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio)
Resolution	1080 x 2220 pixels, 18.5:9 ratio (~393 ppi density)	720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Protection	Corning Gorilla Glass 5

Platform
OS	Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)	Android 10, upgradable to Android 12, One UI 4.1
Chipset	Qualcomm SDM660 Snapdragon 660 (14 nm)	Exynos 850 (8 nm)
CPU	Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)	Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
GPU	Adreno 512	Mali-G52

Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM	32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 3GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
	eMMC 5.1	eMMC 5.1

Main Camera
Modules	24 MP, f/1.7, 27mm (wide), 1/2.8", 0.9µm, PDAF 10 MP f/2.4, 52mm (telephoto), 1/3.9", 1.0µm, AF, 2x optical zoom 8 MP, f/2.4, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth)	48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)
Features	LED flash, panorama, HDR	LED flash, panorama, HDR
Video	4K@30fps, 1080p@30fps	1080p@30fps

Selfie Camera
Modules	24 MP, f/2.0, 27mm (wide), 1/2.8", 0.9µm	13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Features	HDR
Video	1080p@30fps	1080p@30fps

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes

Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth	5.0, A2DP, LE	5.0, A2DP, LE
Positioning	GPS, GLONASS, BDS, GALILEO	GPS, GLONASS, GALILEO, BDS
NFC	Yes	Yes (market/region dependent)
Infrared port	No	No
Radio	FM radio	FM radio, RDS, recording
USB	USB Type-C 2.0	USB Type-C 2.0

Features
Sensors	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
	ANT+ Samsung Pay

Battery
Type	Li-Ion 3800 mAh, non-removable	Li-Po 5000 mAh
Charging	18W wired	15W wired

Misc
Colors	Caviar Black, Lemonade Blue, Bubblegum Pink	Black, White, Blue, Red
SAR	0.27 W/kg (head)     0.84 W/kg (body)
SAR EU	0.35 W/kg (head)     1.59 W/kg (body)	0.42 W/kg (head)     1.54 W/kg (body)
Models	SM-A920F, SM-A9200, SM-A920N, SM-A920X	SM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N
Price	About 550 EUR	About 220 EUR

Tests
Performance	AnTuTu: 140500 (v7) GeekBench: 5763 (v4.4) GFXBench: 8.3fps (ES 3.1 onscreen)	AnTuTu: 107157 (v8) GeekBench: 1100 (v5.1) GFXBench: 11fps (ES 3.1 onscreen)
Display	Contrast ratio: Infinite (nominal), 4.220 (sunlight)	1287:1 contrast ratio, 490 nits max brightness (measured)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	Voice 69dB / Noise 72dB / Ring 77dB	-30.0 LUFS (Average)
Audio quality	Noise -90.6dB / Crosstalk -93.8dB
Battery (old)	Endurance rating 88h	Endurance rating 119h