Motorola Moto G7 vs Samsung Galaxy A21 vs Samsung Galaxy A51 - specs comparison

Display

Size:

6.2 inches

6.5 inches

Resolution:

2270 x 1080 pixels, 19:9 ratio, 403 PPI

1600 x 720 pixels, 20:9 ratio, 270 PPI

2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

IPS LCD

Super AMOLED

Screen-to-body:

82.58 %

79.20 %

87.37 %

Colors:

16 777 216

Features:

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

60Hz refresh rate, Ambient light sensor, Proximity sensor

60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 632 SDM632

Mediatek Helio P35

Samsung Exynos 9611

Processor:

Octa-core, 1800 MHz, Kryo 250, 64-bit, 14 nm

Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm

Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU:

Adreno 506

PowerVR GE8320

Mali-G72 MP3

RAM:

4GB LPDDR4

3GB LPDDR4

4GB LPDDR4

Internal storage:

64GB

32GB (eMMC 5.1), available to use: 19.8 GB

128GB, available to use: 105.9 GB

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone

OS:

Android (9.0 Pie)

Android (10), Samsung One UI

Battery

Capacity:

3000 mAh

4000 mAh

Type:

Not user replaceable

Li - Polymer, Not user replaceable

Battery life test results:

link

Charging:

Motorola TurboPower

Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Dual camera

Quad camera

Main camera:

12 MP (PDAF)

16 MP (PDAF)

48 MP (PDAF)

Specifications:

F1.8; 1.25 μm

F1.8; 1/3.06"; 1 μm

F2.0; 26 mm; 1/2"; 0.8 μm

Second camera:

5 MP (Depth information)

8 MP (Ultra-wide)

12 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

2 MP (Macro)

5 MP (Macro)

Specifications:

Aperture size: F2.4

Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

2 MP (Depth information)

5 MP (Depth information)

Specifications:

Aperture size: F2.4

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (120 fps)

1920x1080 (Full HD) (30 fps)

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

Time-lapse video, Hyperlapse, EIS, Video calling, Video sharing

Hyperlapse, EIS

Front:

8 MP (HDR)

13 MP

32 MP (HDR)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.18 x 2.96 x 0.31 inches (157 x 75.3 x 8 mm)

6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)

6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight:

6.07 oz (172.0 g)

6.81 oz (193.0 g)

6.07 oz (172.0 g)

Materials:

Back: Glass; Frame: Aluminum

Back: Plastic; Frame: Plastic

Resistance:

Splash

Biometrics:

2D Face unlock, Fingerprint (touch)

Fingerprint (touch)

2D Face unlock, In-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Black, White

Black

Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 66(AWS-3)

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