Apple iPhone X vs Samsung Galaxy S21 Ultra

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

Comparison mode:

Specs Size

Display

Size:

5.8 inches

6.8 inches

Resolution:

2436 x 1125 pixels, 19.5:9 ratio, 459 PPI

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

Technology:

OLED

Dynamic AMOLED

Refresh rate:

120Hz (adaptable)

Screen-to-body:

82.35 %

89.33 %

Peak brightness:

625 cd/m2 (nit)

1500 cd/m2 (nit)

Features:

HDR support, Pressure-sensitive, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

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

Hardware

System chip:

Apple A11 Bionic APL1W72 (10 nm)

Qualcomm Snapdragon 888 SM8350 (5 nm)

Processor:

Hexa-core, 2390 MHz, Monsoon and Mistral, 64-bit

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

GPU:

Apple 3-core GPU

Adreno 660

RAM:

3GB LPDDR4

12GB LPDDR5

Internal storage:

256GB, not expandable

128GB (UFS 3.1), not expandable

Device type:

Smartphone

OS:

iOS (15.x, 14.x, 13.x, 12.x, 11.x)

Android (12, 11), Samsung One UI

Battery

Capacity:

2716 mAh

5000 mAh

Type:

Li - Ion, Not user replaceable

Li - Polymer, Not user replaceable

Charging:

USB Power Delivery, Qi 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: 15.0W; Wireless: 7.5W

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Dual camera

Quad camera

Main camera:

12 MP (Sapphire crystal lens cover, OIS, PDAF, CMOS image sensor, BSI sensor)

108 MP (OIS, Laser and PDAF)

Specifications:

F1.8; 28 mm; 1/3"; 1.22 μm

F1.8; 24 mm; 1/1.33"; 0.8 μm

Second camera:

12 MP (Telephoto, Sapphire crystal lens cover, OIS, PDAF, CMOS image sensor, BSI sensor)

10 MP (Telephoto, OIS, PDAF)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.4"; Pixel size: 1 μm

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

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (30 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, Continuous autofocus, Video light, Video calling, Video sharing

OIS, HDR, Hyperlapse, Video light, EIS

Front:

7 MP (HDR)

40 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

5.65 x 2.79 x 0.30 inches (143.6 x 70.9 x 7.7 mm)

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

Weight:

6.14 oz (174.0 g)

8.04 oz (229.0 g)

Materials:

Back: Glass; Frame: Stainless steel

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

Resistance:

Water, Dust; IP67

Water, Dust; IP68

Biometrics:

3D Face unlock

2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

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

Right: Volume control, Lock/Unlock key

Colors:

Silver, Space gray

Phantom black, Silver

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), 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)