Samsung Galaxy S8+ vs Samsung Galaxy S21 Ultra Specs Comparison

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

Display

Size:

6.2 inches

6.8 inches

Resolution:

2960 x 1440 pixels, 18.5:9 ratio, 529 PPI

3200 x 1440 pixels, 20:9 ratio, 516 PPI

Technology:

Super AMOLED

Dynamic AMOLED

Refresh rate:

120Hz (adaptable)

Screen-to-body:

83.32 %

89.33 %

Peak brightness:

1500 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

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

Hardware

System chip:

Qualcomm Snapdragon 835 MSM8998 (10 nm)

Qualcomm Snapdragon 888 SM8350 (5 nm)

Processor:

Octa-core, 2450 MHz, Kryo 280, 64-bit

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

GPU:

Adreno 540

Adreno 660

RAM:

4GB LPDDR4

12GB LPDDR5

Internal storage:

64GB

128GB (UFS 3.1), not expandable

Storage expansion:

microSDXC up to 256 GB

OS:

Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI

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

Device type:

Smartphone

Battery

Capacity:

3500 mAh

5000 mAh

Type:

Li - Ion, Not user replaceable

Li - Polymer, Not user replaceable

Charging:

Qualcomm Quick Charge 2.0, Qi and Powermat wireless 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: 25.0W; Wireless: 15.0W

Camera

Rear:

Single camera

Quad camera

Main camera:

12 MP (OIS, PDAF)

108 MP (OIS, Laser and PDAF)

Specifications:

F1.7; 26 mm; 1/2.55"; 1.4 μm

F1.8; 24 mm; 1/1.33"; 0.8 μm

Second camera:

10 MP (Telephoto, OIS, PDAF)

Specifications:

Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 70 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Third camera:

12 MP (Ultra-wide, PDAF)

Specifications:

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

Fourth camera:

10 MP (Periscope, OIS, PDAF)

Specifications:

Optical zoom: 10.0x; Aperture size: F4.9; Focal Length: 240 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Flash:

LED

Video recording:

3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)

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

Features:

HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing

OIS, HDR, Hyperlapse, Video light, EIS

Front:

8 MP (Wide Angle, Autofocus, HDR)

40 MP (PDAF, HDR)

Video capture:

2560x1440 (QHD) (30 fps)

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.28 x 2.89 x 0.32 inches (159.5 x 73.4 x 8.1 mm)

6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)

Weight:

6.10 oz (173.0 g)

8.04 oz (229.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Back: Glass (Corning Gorilla Glass Victus); Frame: Aluminum

Resistance:

Water, Dust; IP68

Biometrics:

Iris scanner, 2D Face unlock, Fingerprint (touch)

2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

Left: Volume control, Other; Right: Lock/Unlock key

Right: Volume control, Lock/Unlock key

Colors:

Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink

Phantom black, Silver

Cellular

5G:

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), 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), 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)