Microsoft Surface Duo vs Samsung Galaxy S21 - specs comparison

Display

Size:

8.1 inches

6.2 inches

Resolution:

2700 x 1800 pixels, 3:2 ratio, 401 PPI

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

Technology:

AMOLED

Dynamic AMOLED

Screen-to-body:

71.93 %

86.06 %

Peak brightness:

1300 cd/m2 (nit)

Features:

360° folding, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

120Hz refresh rate (adaptive), HDR video support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Front cover display:

5.6 inches, 1800 x 1350 pixels, AMOLED, Scratch-resistant glass (Corning Gorilla Glass 5), Part of the main display

Rear cover display:

5.6 inches, 1350 pixels 1800 x, AMOLED, Scratch-resistant glass (Corning Gorilla Glass 5), Part of the main display

Hardware

System chip:

Qualcomm Snapdragon 855 SM8150

Qualcomm Snapdragon 888 SM8350

Processor:

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm

Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 640

Adreno 660

RAM:

6GB LPDDR4

8GB LPDDR5

Internal storage:

128GB (UFS 3.0), not expandable

Device type:

Smartphone

OS:

Android (10)

Android (11), Samsung One UI

Battery

Capacity:

3577 mAh

4000 mAh

Type:

Not user replaceable

Li - Polymer, Not user replaceable

Charging:

Fast charging

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:

Single camera, Doubles as a selfie camera

Triple camera

Main camera:

11 MP (PDAF)

12 MP (OIS, PDAF)

Specifications:

F2.0

F1.8; 26 mm; 1/1.76"; 1.8 μm

Second camera:

64 MP (Telephoto, OIS, PDAF)

Specifications:

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) (60 fps)

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

Features:

EIS

HDR, Hyperlapse, EIS

Front:

10 MP (PDAF, HDR)

Video capture:

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

7.48 x 5.72 x 0.19 inches (190 x 145.3 x 4.8 mm)

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

Folded:

145.2 x 93.3 x 9.9 mm

Weight:

8.82 oz (250.0 g)

6.03 oz (171.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5)

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:

Glacier

Phantom pink, Violet, Gray, White

Cellular

5G:

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

LTE (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), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 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), 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)