Product
Samsung Galaxy A20
Samsung Galaxy A20
Google Pixel 4a 5G
Google Pixel 4a 5G
Battery
Charging 15W wired 18W wired, PD2.0
Type Li-Po 4000 mAh, non-removable Li-Po 3885 mAh
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions 158.4 x 74.7 x 7.8 mm (6.24 x 2.94 x 0.31 in) 153.9 x 74 x 8.2 mm (Sub-6) or 8.5 mm (Sub-6 and mmWave)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM + eSIM
Weight 169 g (5.96 oz) 168 g (5G Sub-6); 171 g ( 5G Sub-6 and mmWave) (5.93 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE, aptX HD
NFC Yes (market/region dependent) Yes
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, QZSS, BDS
Radio FM radio No
USB USB Type-C 2.0, OTG USB Type-C 3.1
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
Display
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Resolution 720 x 1560 pixels, 19.5:9 ratio (~268 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~413 ppi density)
Size 6.4 inches, 100.5 cm2 (~85.0% screen-to-body ratio) 6.2 inches, 95.7 cm2 (~84.1% screen-to-body ratio)
Type Super AMOLED OLED, HDR
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2019, March 19 2020, September 30
Status Available. Released 2019, April 05 Available. Released 2020, November 05
Main Camera
Dual 13 MP, f/1.9, 28mm (wide), AF 5 MP, f/2.2, 12mm (ultrawide) 12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS16 MP, f/2.2, 107˚ (ultrawide), 1.0µm
Features LED flash, panorama, HDR LED flash, Pixel Shift, Auto-HDR, panorama
Video 1080p@30fps 4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS
Memory
Card slot microSDXC (dedicated slot) No
Internal 32GB 3GB RAM 128GB 6GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Black, Deep Blue, Red, Coral Orange, Gold Just Black, Clearly White
Models SM-A205F, SM-A205FN, SM-A205GN, SM-A205YN, SM-A205G, SM-A205W, SM-A205U, SM-A205S, SM-S205DL, SM-A205U1 GD1YQ, G025I, G025E, G025H, G6QU3
SAR 1.09 W/kg (head)     0.60 W/kg (body)     -
SAR EU 0.23 W/kg (head)     1.38 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 20, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 46, 48, 66, 71
5G bands - 1, 2, 3, 5, 7, 8, 12, 28, 41, 66, 71, 77, 78 Sub6, mmWave (market dependant)
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE (CA), 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
  1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - SM-A205U -
Platform
Chipset Exynos 7884 (14 nm) Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
CPU Octa-core (2x1.6 GHz Cortex-A73 & 6x1.35 GHz Cortex-A53) Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
GPU Mali-G71 MP2 Adreno 620
OS Android 9.0 (Pie), upgradable to Android 11, One UI 3.1 Android 11, upgradable to Android 14
Selfie camera
Features - HDR
Single 8 MP, f/2.0 8 MP, f/2.0, 24mm (wide), 1/4.0", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes, with stereo speakers