Samsung Galaxy S21 Ultra 5G (12 GB / 256 GB) vs Xiaomi Mi Mix Fold (12 GB / 256 GB) Comparison

Screen Size

6.8 Inch

6.52 Inch

Screen/Body Ratio

88.96 %

67.83 %

Weight

229 Grams

317 Grams

Camera Resolution

108 MP

Storage Capacity

256 GB

Internal Memory (RAM)

12 GB

Chipset

Samsung Exynos 2100

Qualcomm Snapdragon 888 (SM8350)

CPU Frequency

2.9 GHz

2.84 GHz

Screen Resolution

1440x3200 (QHD+) Pixel

840x2520 (HD+) Pixel

Video Recording Resolution

4320p (Ultra HD) 8K

Battery Capacity

5000 mAh

5020 mAh

Head SAR

0.714 W/kg

OS Version

Android 11

Android 10 (Q)

Screen Size

6.8 Inch

6.52 Inch

Display Technology

Dynamic AMOLED

AMOLED

Screen Resolution

1440x3200 (QHD+) Pixel

840x2520 (HD+) Pixel

Screen Resolution Standard

QHD+

HD+

Pixel Density (PPI)

516 PPI

407 PPI

Screen Refresh Rate

120 Hz

90 Hz

Aspect Ratio

20:9

27:9

Screen Area

111.04 cm²

82.03 cm²

Screen Features

1500 cd/m² (nit) Brightness (Max.) Full Screen Display Scratch Resistant Glass DCI-P3 Wide Color Gamut Dynamic AMOLED 2X 3D Curved Edge In-Display Camera HDR HDR10 HDR10+ Multi-Touch Always-on Display

180 Hz Touch sampling rate 650 cd/m² (nit) Brightness 700 cd/m² (nit) Brightness (HBM) 900 cd/m² (nit) Brightness (Max.) Full Screen Display Scratch Resistant Glass Delta-E < 0.52 Dolby Vision In-Display Camera HDR HDR10 HDR10+ JNCD 0.55 Foldable Display Multi-Touch Always-on Display

Screen Protection

Corning Gorilla Glass Victus

Corning Gorilla Glass 5

Touch Screen Technology

Capacitive Touchscreen

Color Depth

16 Million

Screen/Body Ratio

88.96 %

67.83 %

Second Screen (Rear)

Yes

Second Screen Size (Rear)

8.01 Inch

Second Screen Resolution (Rear)

1860x2480 Pixel

Second Screen Density (Rear)

387 PPI

Second Screen Features (Rear)

Dolby Vision Flexible OLED JNCD 0.29 Delta-E < 0.35 DCI-P3 Colour Gamut Motion Estimation/Compensation (MEMC) HDR HDR10+ Foldable 1.07 Billion Colour 120 Hz Screen Touch Response 600 cd/m² (nit) Brightness 900 cd/m² (nit) Brightness (Max.)

Battery Capacity

5000 mAh

5020 mAh

Talk Time (4G)

41 Hours

Internet Usage (WiFi)

18 Hours

Internet Usage (4G)

18 Hours

Video Playing

22 Hours

Audio Playing

81 Hours

Audio Playing Info

Wireless

Charging Type

USB Type-C

Battery Technology

Lithium Ion (Li-Ion)

Fast Charge

Yes

Fast Charge Power

25 W

67 W

Fast Charge Features

Quick Charge (25W) USB-PD 3.0 (Power Delivery)

Fast Charge (67W)

Charging Time

37 Minutes

Wireless Charge

Yes

No

Wireless Charge Features

Wireless Quick Charge (15W) Wireless Quick Charge

Removable Battery

No

Battery Features

Double Battery

Camera Resolution

108 MP

Optical Image Stabilization (OIS)

Yes

No

Camera Features

0.8μm (2.4μm) Pixel 83 degree Wide Angle Internal QR Code Reader Dual Pixel Camera HDR Laser Auto Focus-LDAF Auto Focus Panorama Shutter Speed Control Shutter Speed: 30s Phase Detect Auto-Focus (PDAF) Portrait Mode RAW Recording Burst Mode Voice Control AI Scene Detection Timer

0.7μm (2.1μm) Pixel 7 Element (7P) Lens HDR Macro Shot (3 cm) Auto Focus Phase Detect Auto-Focus (PDAF) Portrait Mode Samsung ISOCELL HM2 Sensor Timer

Flash

LED

3 LED Dual Tone Flash

Aperture Size

F1.8

Focal Length

26 mm

Camera Sensor Size

1/1.33 inches

1/1.52 inches

Video Recording Resolution

4320p (Ultra HD) 8K

Video FPS

24 fps

30 fps

Video Recording Features

Electronic Image Stabilization (EIS) HDR HDR10+ Focus Tracking Portrait Mode (Bokeh) Timelapse Video Recording Slow Motion Video

Timelapse Video Recording Slow Motion Video

Video Recording Options

720p @ 30fps 1080p @ 120fps (After update) 1080p @ 60fps 1080p @ 30fps 2160p @ 60fps 2160p @ 30fps 4320p @ 24fps

Slow Motion FPS Options

720p @ 960fps 1080p @ 240fps

Second Rear Camera

Yes

Second Rear Camera Resolution

12 MP

13 MP

Second Rear Camera Aperture

F2.2

F2.4

Second Rear Camera Features

1.4μm Pixel 1/2.55 13mm Ultra Wide Angle Ultra Wide Angle (120°) Auto Focus Phase Detect Auto-Focus (PDAF) Phase Detect Auto-Focus - PDAF (Dual Pixel)

1.12µm Pixel Ultra Wide Angle Ultra Wide Angle (123°)

Third Rear Camera

Yes

Third Rear Camera Resolution

10 MP

8 MP

Third Rear Camera Aperture

F2.4

Third Rear Camera Features

1.22µm Pixel 1/3.24 Sensor Size 35° Angle 72mm Optical Image Stabilization (OIS) Optical Zoom (3x) Auto Focus Phase Detect Auto-Focus (PDAF) Phase Detect Auto-Focus - PDAF (Dual Pixel) Telephoto

30x Digital Zoom 80mm Macro Shot Optical Zoom (3x) Telephoto

Fourth Rear Camera

Yes

Fourth Rear Camera Resolution

10 MP

Fourth Rear Camera Aparture

F4.9

Fourth Rear Camera Features

1.22µm Pixel 1/3.24 Sensor Size 100x Digital Zoom 10° Açılı 240mm Optical Image Stabilization (OIS) Optical Zoom (10x) Auto Focus Periscope Zoom Phase Detect Auto-Focus - PDAF (Dual Pixel) Telephoto

Front Camera Resolution

40 MP

20 MP

Front Camera Video Resolution

2160p

Front Camera FPS

60 fps

Front Camera Aperture Size

F2.2

Front Camera Features

0.7μm (1.4μm) Pixel 80 degree Angle Electronic Image Stabilization (EIS) Gesture Shot HDR Fast Focus Auto Focus Panorama Selfie Phase Detect Auto-Focus (PDAF) Portrait Mode Screen Flash Voice Command Time-Lapse Portrait Mode Video Recording Slow Motion Video Recording Self-timer

Portrait Mode

DxOMark Camera Score (v4)

121 Points

DxOMark Camera (v5)

115 Points

Chipset

Samsung Exynos 2100

Qualcomm Snapdragon 888 (SM8350)

CPU Frequency

2.9 GHz

2.84 GHz

CPU Core

8 cores

CPU

1x 2.9 GHz ARM Cortex-X1

1x 2.84 GHz ARM Cortex-X1 (Kryo 680)

First Coprocessor

3x 2.8 GHz ARM Cortex-A78

3x 2.42 GHz ARM Cortex-A78

Second Coprocessor

4x 2.2 GHz ARM Cortex-A55

Quad-core 1.8 GHz ARM Cortex-A55

CPU Architecture

64-bit

GPU

Mali-G78 MP14

Adreno 660

GPU Frequency

840 MHz

Lithography

5 nm

AnTuTu Score (v8)

639.600 Points

Geekbench 5 (Single-core)

1.105 Points

Geekbench 5 (Multi-core)

3.585 Points

Internal Memory (RAM)

12 GB

RAM Type

LPDDR5

Storage Capacity

256 GB

Storage Type

UFS 3.1

Memory Card Support

No

Other Chipset Options

Qualcomm Snapdragon 888 (SM8350)

Other RAM Options

12/16GB RAM Options

Other Storage Options

128/256/512GB Storage Options

256/512GB Storage Options

Height

165.1 mm

173.27 mm

Width

75.6 mm

69.8 mm

Depth

8.9 mm

7.62 mm

Thickness (As Folded)

17.2 mm

Height (Folded)

133.38 mm

Weight

229 Grams

317 Grams

Colour Options

Silver Black

Black

Body Material (Cover)

Glass

Body Material (Frame)

Metal

2G

Yes

3G

Yes

4G

Yes

4G Download

2000 Mbps

4G Upload

200 Mbps

4G Technology

LTE (Cat.20)

4G Features

VoLTE (Voice over LTE) Support

LTE Advanced Pro

Yes

5G

Yes

Operating System

Android

OS Version

Android 11

Android 10 (Q)

Upgradable Version

Android 14

User Interface (UI)

Samsung One UI

MI UI

User Interface Version

Samsung One UI 3.1

MIUI 12

Wi-Fi Bands

Wi-Fi 6E (802.11 a/b/g/n/ac/ax)

Wi-Fi 6 (802.11 a/b/g/n/ac/ax)

Wi-Fi Features

1024QAM 3 Band (2.4/5/6GHz) Dual-Band HE160 MIMO MiraCast MU-MIMO VoWiFi (Voice over Wi-Fi) Wi-Fi Direct Wi-Fi Hotspot

Dual-Band Wi-Fi Hotspot

NFC

Yes

Bluetooth Version

5.2

IR Blaster

No

Navigation Features

Galileo GLONASS GPS BDS

GPS

FM Radio

No

Speaker Features

Dual Speakers Stereo

Quad Speakers Harman Kardon Stereo

Earphone Jack

USB Type-C

Water Resistance

Yes

No

Water Resistance Level

IPX8

Dust Resistance

Yes

No

Dust Resistance Level

IP6X

Video Call (App)

Yes

Sensors

Barometer Hall Accelerometer Gyroscope Ambient Light Compass Proximity

Fingerprint Sensor

Yes

Fingerprint Sensor Features

In Screen Ultrasonic Sensor

On the Side

LED Notification Light

No

Head SAR

0.714 W/kg

Body SAR

1.580 W/kg

Services and Applications

Dolby Atmos Screen Mirroring Knock-ON Reverse Wireless Charging Dark Mode Easy Mode S Pen Samsung DeX Samsung KNOX Stylus Support One-Handed Mode Ultra Wide Band (UWB) Ultra High Quality Audio (UHQA) Face Recognition

Built-in Liquid Cooling System

USB Version

3.1 Gen 1 (USB 3.0)

2.0

USB Interface

USB Type-C

USB Features

DisplayPort DisplayPort (4K@60fps) USB On-the-go (OTG)

Number of SIM

Dual SIM

SIM

eSIM Nano-SIM (4FF)

Nano-SIM (4FF)

Release Year

2021

Announce-Date

2021, January

2021, March

Serie

Samsung Galaxy S Serie

Xiaomi Mi Mix Fold

Sub Serie

Samsung Galaxy S21