Phone Comparison - Google Pixel 3a vs Google Pixel 4a vs Samsung Galaxy A42 5G

general General Info

Manufacturer Google Google Samsung
Announced 2019, May 2020, August 03 2020, September 02
Status Available. Released 2019, May Coming soon. Exp. release 2020, August 20 Available. Released 2020, November 11
Colors Clearly White, Just Black, Not Pink Just Black Prism Dot Black, Prism Dot White, Prism Dot Gray
Form Factor Candybar Candybar Candybar
Dimension 151.3 x 70.1 x 8.2 mm
(5.96 x 2.76 x 0.32 in)
144 x 69.4 x 8.2 mm
(5.67 x 2.73 x 0.32 in)
164.4 x 75.9 x 8.6 mm
(6.47 x 2.99 x 0.34 in)
Weight 147 g (5.19 oz) 143 g (5.04 oz) 193 g (6.81 oz)
SIM Type Nano-SIM Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 42(3500), 46, 66(1700/2100), 71(600) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41 - Europe
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 34, 38, 39, 40, 41
5G Network - - 1, 3, 5, 7, 8, 28, 40, 41, 78 SA/NSA/Sub6 - Europe
1, 3, 5, 7, 8, 28, 40, 41, 78, 79 SA/NSA/Sub6
Messaging
Build Features - Fingerprint Sensor
- IP68 dust/water resistant (up to 1.5m for 30 mins)
- Fingerprint Sensor
- Fingerprint Sensor (under display, optical)
Notification LED Yes - -

hardware Hardware and OS

OS Android 9.0 (Pie) Android 10.0 Android 10, upgradable to Android 11, One UI 3.1
Processor Octa-Core (2 x 2GHz Kryo 360 + 6 x 1.7GHz Kryo 360), Qualcomm SDM670 Snapdragon 670 Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570), Qualcomm SM7225 Snapdragon 750 5G (8 nm)
GPU Adreno 615 Adreno 618 Adreno 619
RAM 4 GB 6GB 8 GB
Internal Memory 32/64 GB 128 GB 128 GB
External Memory No No microSDXC

display Display

Type P-OLED Capacitive Touchscreen, Corning Gorilla Glass 5 IPS LCD Capacitive Touchscreen HD+ Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M Colour
Size 5.6 inches 5.81 inches 6.6 inches
Resolution 1080 x 2220 pixels (441 ppi) 1080 x 2340 pixels (444 ppi) 720 x 1600 pixels (266 ppi)
Screen-to-Body Ratio 74.99% 82.76% 84.18%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No - Unspecified
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 12.2 MP 12.2 MP 48 MP + 8 MP + 5 MP + 5 MP
Flash Dual-LED Flash LED Flash LED Flash
Features 12.2 MP, f/1.8, 28mm (wide), 1/2.55", 1.4µm, OIS, dual pixel PDAF
Auto-HDR, Panorama
12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
Auto-HDR, Panorama
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (depth)
5 MP, f/2.4, (macro)
Panorama, HDR
Video 2160p@30fps, 1080p@30/60/120fps, 720p@240fps, 1080p@30fps (gyro-EIS) 2160p@30fps, 1080p@30fps; gyro-EIS 4K@30fps, 1080p@30fps, 720p@480fps
Front Camera 8 MP, f/1.8, 28mm PDAF
No AF, Auto-HDR, 1080p@30fps [Similar]
8 MP, f/2.0, (wide), 1/4", 1.12µm
HDR
1080p@30fps [Similar]
20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat16 1024/75 Mbps HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth 5.0, A2DP, LE, aptX HD 5.1, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector 3.1, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 32/64 GB, 4 GB RAM 128 GB, 6GB RAM (UFS 2.1) 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM UFS 2.1
Expandable Storage No No microSDXC
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery
Fast Battery Charging 18W
Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3000 mAh 3140 mAh 5000 mAh
Stand by - - -
Talk Time - - -