Google Pixel 3a vs Samsung Galaxy M21s

Google Pixel 3a

Samsung Galaxy M21s

Network
2G network

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

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 850, 900, 1700(AWS), 1900, 2100
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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
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, 603 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front glass, plastic body

Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM

Single SIM (Nano-SIM)

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Height

152.4 mm

159.2 mm
Width

71.1 mm

75.1 mm
Thickness

7.6 mm

8.9 mm
Weight

147 g

191 g
Colors

Black, White, Purple

Black, Blue

Display
Display type

OLED capacitive touchscreen

Super AMOLED
Physical size

5.6 inches

6.4 inches
Resolution

1080 x 2220 pixels

1080 x 2340 pixels
Pixel density

441 ppi

403 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Dragontrail glass

2.5D curved glass screen, Corning Gorilla Glass 3
Multitouch

Yes

-
Display features

Always-on display

420 nits (typ), Infinity U Display

Main camera
Camera type

Single

Triple
Main camera

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

64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm, (wide)
(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm
(depth) , 5 MP, f/2.2
Primary camera resolution

4032 x 3024 pixels

9280 x 6920 pixels
Primary camera video

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

4K@30fps, 1080p@30fps, gyro-EIS
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, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
DxOMark photo

104

-
DxOMark video

95

-
DxOMark camera score

101

-

Selfie camera
Flash

LED flash

-
Selfie camera type

-

Single
Selfie camera

8 MP, f/2.0 , 24 mm, 1.12 µm

32 MP, f/2.0 , 26 mm, 0.8 µm, (wide) , 1/2.8"
Selfie camera resolution

3264 x 2448 pixels

-
Selfie camera video

1080p@30fps

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, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

Type-C 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

-
BDS

-

Yes