Google Pixel 3a vs Samsung Galaxy S20 5G

Network
2G network

GSM 850, 900, 1800, 1900, CDMA 800, 1900, 10(800)

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

HSDPA 850, 900, 1700/2100, 1900, 2100; CDMA2000 1xEV-DO

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 40(2300), 41(2500), 66(1700/2100)

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500), 46(5200), 48, 66(1700/2100), 71(600)
5G network

-

5G band 2(1900), 5(850), 41(2500), 66(1700), 71(600); SA, NSA, Sub6
HSDPA speed

42 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE Cat 11, 600 Mbps download, 75 Mbps upload

LTE-A (7CA), Cat20, 2000 Mbps download, 200 Mbps upload
5G speed

-

5 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front glass, plastic body

Front glass(Gorilla Glass 6), back glass(Gorilla Glass 6), aluminium frame
SIM

Single SIM (Nano-SIM)

Single SIM (Nano-SIM and/or eSIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

152.4 mm

151.7 mm
Width

71.1 mm

69.1 mm
Thickness

7.6 mm

7.9 mm
Weight

147 g

163 g
Payment

-

Samsung Pay
Waterproof

-

IP68, 1.5m for 30 mins
Dust proof

-

IP68
Colors

Black, White, Purple

Blue, Grey, Pink

Display
Display type

OLED capacitive touchscreen

Dynamic AMOLED 2X capacitive touchscreen
Physical size

5.6 inches

6.2 inches
Resolution

1080 x 2220 pixels

1440 x 3200 pixels
Pixel density

441 ppi

563 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Dragontrail glass

Scratch resistant, Corning Gorilla Glass 6
Multitouch

Yes

Yes
Display features

Always-on display

Always-on display, HDR10+

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2 GHz Kryo 360

Dual-core / Single-core 2.73 / 2.84 GHz Mongoose M5 / Kryo 585
CPU(second)

Hexa-core 1.7 GHz Kryo 360

Dual-core / Triple-core 2.50 / 2.42 GHz Cortex-A76 / Kryo 585
CPU(third)

Quad-core / Quad-core 2.0 / 1.8 GHz Cortex-A55 / Kryo 585
Chipset

Qualcomm Snapdragon 670

Exynos 990 - global / Qualcomm SM8250 Snapdragon 865 - USA
GPU

Adreno 615

Mali-G77 MP11 - global / Adreno 650 - USA
Memory RAM

4 GB

12 GB
Internal storage

64 GB

128 GB
Memory card

No

microSD, microSDHC, microSDXC
Memory card max

-

1 TB
Storage

-

UFS 3.0

Main camera
Camera type

Single

Triple
Main camera

12 MP, f/1.8 , 28 mm, 1/2.55" , 1.4 µm

12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 µm, 3x hybrid optical zoom
64 MP, f/2.0 , 1/1.72" , 0.8 µm
12 MP, f/2.2 , 13 mm, 1.4 µm
Primary camera resolution

4032 x 3024 pixels

4032 x 3024 pixels
Primary camera video

2160p@30fps, 1080p@120fps, 720p@240fps

4320p@24fps, 2160p@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS
Primary camera flash

dual LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, RAW, phase detection with Dual Pixel

Autofocus, continuous shooting, digital zoom, optical zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, phase detection with Dual Pixel
DxOMark photo

104

-
DxOMark video

95

-
DxOMark camera score

101

-

Selfie camera
Flash

LED flash

-
Selfie camera

8 MP, f/2.0 , 24 mm, 1.12 µm

10 MP, f/2.2 , 26 mm, 1.22 µm, 1/3.2"
Selfie camera resolution

3264 x 2448 pixels

3840 x 2160 pixels
Selfie camera video

1080p@30fps

2160p@30/60fps, 1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity, light, hall

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity
Power bank function

-

Yes