Google Pixel 4a 5G vs Samsung Galaxy S21 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.2 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 416 PPI

2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

OLED

Dynamic AMOLED

Refresh rate:

60Hz

120Hz (adaptive)

Screen-to-body:

82.94 %

86.06 %

Peak brightness:

1300 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 765G SM7250-AB (7 nm)

Qualcomm Snapdragon 888 (5 nm)

Processor:

Octa-core, 2400 MHz, Kryo 475, 64-bit

Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit

GPU:

Adreno 620

Adreno 660

RAM:

6GB LPDDR4

8GB LPDDR5

Internal storage:

128GB (UFS 2.1), not expandable

128GB (UFS 3.0), not expandable

Device type:

Smartphone

OS:

Android (12, 11)

Android (13, 12, 11), Samsung One UI

Battery

Capacity:

3885 mAh

4000 mAh

Type:

Not user replaceable

Li - Polymer, Not user replaceable

Charging:

USB Power Delivery

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 18.0W

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Dual camera

Triple camera

Main camera:

12.2 MP (OIS, PDAF)

12 MP (OIS, PDAF)

Specifications:

F1.7; 28 mm; 1/2.55"; 1.4 μm

F1.8; 26 mm; 1/1.76"; 1.8 μm

Second camera:

16 MP (Ultra-wide)

64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.2; Pixel size: 1 μm

Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)

7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

OIS, Time-lapse video, EIS

OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS

Front:

8 MP (Dual-Camera, Time-of-Flight (ToF))

10 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.06 x 2.91 x 0.32 inches (153.9 x 74.0 x 8.2 mm)

5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

5.93 oz (168.0 g)

6.03 oz (171.0 g)

Materials:

Back: Plastic

Back: Plastic; Frame: Aluminum

Resistance:

Water, Dust; IP68

Biometrics:

Fingerprint (touch)

2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Just black, Clearly white

Phantom pink, Violet, Gray, White

Cellular

5G:

n1, n2, n5, n12, n25, n28, n41, n66, n71, n78, Sub-6

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)