Two devices. One clear decision.

LAUNCH DATE3 fields

Specification	Galaxy A20	Mi A2
Announced	March 19, 2019	July 24, 2018
Released	2019-04-05	2018, July
Status	Available	Discontinued

NETWORK6 fields

Specification	Galaxy A20	Mi A2
2G Bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 2100
4G LTE	1, 3, 5, 7, 8, 20, 38, 40, 41	1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global; 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China
5G	No	No
Speed	LTE	LTE
Technology	4G/LTE/GSM	LTE/GSM

BODY5 fields

Specification	Galaxy A20	Mi A2
Build	Glass front (Gorilla Glass 3), plastic back, plastic frame	Glass front, aluminum back, aluminum frame
Dimensions	158.4 x 74.7 x 7.8 mm (6.24 x 2.94 x 0.31 in)	158.7 x 75.4 x 7.3 mm (6.25 x 2.97 x 0.29 in)
IP Rating	No IP rating	No IP rating
SIM	Nano-SIM Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Weight	169 g (5.96 oz)	166 g (5.86 oz)

DISPLAY7 fields

Specification	Galaxy A20	Mi A2
Brightness	400 nits (max)	414 nits (max, measured)
Protection	Corning Gorilla Glass 3	Corning Gorilla Glass 5
Refresh Rate	60Hz	60Hz
Resolution	720 x 1560 pixels, 19.5:9 ratio (~268 ppi density)	1080 x 2160 pixels, 18:9 ratio (~403 ppi density)
Screen-to-body	~85.0%	~77.4%
Size	6.4 inches, 100.5 cm2 (~85.0% screen-to-body ratio)	5.99 inches, 92.6 cm2 (~77.4% screen-to-body ratio)
Type	Super AMOLED	IPS LCD

PLATFORM4 fields

Specification	Galaxy A20	Mi A2
CPU	Octa-core (2x1.6 GHz Cortex-A73 & 6x1.35 GHz Cortex-A53)	Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Chipset	Exynos 7884 (14 nm)	Qualcomm SDM660 Snapdragon 660 (14 nm)
GPU	Mali-G71 MP2	Adreno 512
OS	Android 9.0 (Pie), upgradable to Android 11, One UI 3.1	Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), Android One

MEMORY4 fields

Specification	Galaxy A20	Mi A2
Card slot	microSDXC (dedicated slot)	No
Internal	32GB	32GB , 64GB, 128GB
RAM	3GB RAM	4GB RAM, 6GB RAM
Storage/RAM variants	32GB; 3GB RAM	32GB , 64GB, 128GB; 4GB RAM, 6GB RAM

MAIN CAMERA3 fields

Specification	Galaxy A20	Mi A2
Features	LED flash, panorama, HDR	Dual-LED flash, HDR, panorama
MAIN CAMERA	13 MP, f/1.9, 28mm (wide), AF 5 MP, f/2.2, 12mm (ultrawide)	12 MP, f/1.8, 1/2.9", 1.25µm 20 MP, f/1.8, 1/2.8", 1.0µm, PDAF
Video	1080p@30fps	4K@30fps, 1080p@30fps (gyro-EIS), 720p@120fps

SELFIE CAMERA3 fields

Specification	Galaxy A20	Mi A2
Features	HDR	LED flash, HDR
Selfie camera	8 MP, f/2.0	20 MP, f/2.2, (wide), 1/3", 0.9µm
Video	1080p@30fps	1080p@30fps

SOUND2 fields

Specification	Galaxy A20	Mi A2
3.5mm jack	Yes	No
Loudspeaker	Yes	Yes

COMMUNICATION6 fields

Specification	Galaxy A20	Mi A2
Bluetooth	5.0, A2DP, LE	5.0, A2DP, LE
NFC	Yes (market/region dependent)	No
Positioning	GPS, GLONASS, BDS	GPS, GLONASS, BDS
Radio	FM radio	No
USB	USB Type-C 2.0, OTG	USB Type-C 2.0
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

FEATURES1 field

Specification	Galaxy A20	Mi A2
Sensors	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

BATTERY3 fields

Specification	Galaxy A20	Mi A2
Capacity	4000 mAh	3000 mAh
Charging Type	15W wired	18W wired, QC3 (Global) 18W wired, QC4 (India)
Type	Li-Po 4000 mAh, non-removable	Li-Po 3000 mAh, non-removable

ADDITIONAL INFORMATION4 fields

Specification	Galaxy A20	Mi A2
Colors	Black, Deep Blue, Red, Coral Orange, Gold	Black, Gold, Blue, Red, Rose Gold
Launch Price (USD)	$117.00 (reference only — see Price in Nigeria above for the actual retail price)	$171.99 (reference only — see Price in Nigeria above for the actual retail price)
Models	SM-A205F, SM-A205FN, SM-A205GN, SM-A205YN, SM-A205G, SM-A205W, SM-A205U, SM-A205S, SM-S205DL, SM-A205U1	M1804D2SG, M1804D2SI, Mi A2, Mi 6X
Price in Nigeria	₦90,000 (Seller price)	₦90,000 (Stored estimate)

SECURITY1 field

Specification	Galaxy A20	Mi A2
Security	Biometric security: Fingerprint (rear-mounted).	Biometric security: Fingerprint (rear-mounted).